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From ctubb...@apache.org
Subject [16/27] accumulo git commit: ACCUMULO-4312 Fix additional sealing problems in 1.7 branch
Date Fri, 27 May 2016 20:15:10 GMT
http://git-wip-us.apache.org/repos/asf/accumulo/blob/d10840b8/test/src/test/java/org/apache/accumulo/test/proxy/SimpleProxyBase.java
----------------------------------------------------------------------
diff --git a/test/src/test/java/org/apache/accumulo/test/proxy/SimpleProxyBase.java b/test/src/test/java/org/apache/accumulo/test/proxy/SimpleProxyBase.java
new file mode 100644
index 0000000..ddb3511
--- /dev/null
+++ b/test/src/test/java/org/apache/accumulo/test/proxy/SimpleProxyBase.java
@@ -0,0 +1,2274 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.accumulo.test.proxy;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.InputStreamReader;
+import java.net.InetAddress;
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.EnumSet;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Properties;
+import java.util.Set;
+import java.util.TreeMap;
+import java.util.UUID;
+
+import org.apache.accumulo.cluster.ClusterUser;
+import org.apache.accumulo.core.client.ClientConfiguration;
+import org.apache.accumulo.core.client.Connector;
+import org.apache.accumulo.core.client.Instance;
+import org.apache.accumulo.core.client.security.tokens.KerberosToken;
+import org.apache.accumulo.core.client.security.tokens.PasswordToken;
+import org.apache.accumulo.core.conf.DefaultConfiguration;
+import org.apache.accumulo.core.conf.Property;
+import org.apache.accumulo.core.data.Value;
+import org.apache.accumulo.core.file.FileOperations;
+import org.apache.accumulo.core.file.FileSKVWriter;
+import org.apache.accumulo.core.iterators.DevNull;
+import org.apache.accumulo.core.iterators.SortedKeyValueIterator;
+import org.apache.accumulo.core.iterators.user.SummingCombiner;
+import org.apache.accumulo.core.iterators.user.VersioningIterator;
+import org.apache.accumulo.core.metadata.MetadataTable;
+import org.apache.accumulo.core.security.Authorizations;
+import org.apache.accumulo.core.util.ByteBufferUtil;
+import org.apache.accumulo.core.util.UtilWaitThread;
+import org.apache.accumulo.examples.simple.constraints.NumericValueConstraint;
+import org.apache.accumulo.harness.MiniClusterHarness;
+import org.apache.accumulo.harness.SharedMiniClusterIT;
+import org.apache.accumulo.harness.TestingKdc;
+import org.apache.accumulo.minicluster.impl.MiniAccumuloClusterImpl;
+import org.apache.accumulo.proxy.thrift.AccumuloProxy.Client;
+import org.apache.accumulo.proxy.Proxy;
+import org.apache.accumulo.proxy.TestProxyClient;
+import org.apache.accumulo.proxy.thrift.AccumuloSecurityException;
+import org.apache.accumulo.proxy.thrift.ActiveCompaction;
+import org.apache.accumulo.proxy.thrift.ActiveScan;
+import org.apache.accumulo.proxy.thrift.BatchScanOptions;
+import org.apache.accumulo.proxy.thrift.Column;
+import org.apache.accumulo.proxy.thrift.ColumnUpdate;
+import org.apache.accumulo.proxy.thrift.CompactionReason;
+import org.apache.accumulo.proxy.thrift.CompactionStrategyConfig;
+import org.apache.accumulo.proxy.thrift.CompactionType;
+import org.apache.accumulo.proxy.thrift.Condition;
+import org.apache.accumulo.proxy.thrift.ConditionalStatus;
+import org.apache.accumulo.proxy.thrift.ConditionalUpdates;
+import org.apache.accumulo.proxy.thrift.ConditionalWriterOptions;
+import org.apache.accumulo.proxy.thrift.DiskUsage;
+import org.apache.accumulo.proxy.thrift.IteratorScope;
+import org.apache.accumulo.proxy.thrift.IteratorSetting;
+import org.apache.accumulo.proxy.thrift.Key;
+import org.apache.accumulo.proxy.thrift.KeyValue;
+import org.apache.accumulo.proxy.thrift.MutationsRejectedException;
+import org.apache.accumulo.proxy.thrift.PartialKey;
+import org.apache.accumulo.proxy.thrift.Range;
+import org.apache.accumulo.proxy.thrift.ScanColumn;
+import org.apache.accumulo.proxy.thrift.ScanOptions;
+import org.apache.accumulo.proxy.thrift.ScanResult;
+import org.apache.accumulo.proxy.thrift.ScanState;
+import org.apache.accumulo.proxy.thrift.ScanType;
+import org.apache.accumulo.proxy.thrift.SystemPermission;
+import org.apache.accumulo.proxy.thrift.TableExistsException;
+import org.apache.accumulo.proxy.thrift.TableNotFoundException;
+import org.apache.accumulo.proxy.thrift.TablePermission;
+import org.apache.accumulo.proxy.thrift.TimeType;
+import org.apache.accumulo.proxy.thrift.UnknownScanner;
+import org.apache.accumulo.proxy.thrift.UnknownWriter;
+import org.apache.accumulo.proxy.thrift.WriterOptions;
+import org.apache.accumulo.server.util.PortUtils;
+import org.apache.accumulo.test.functional.SlowIterator;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
+import org.apache.hadoop.fs.FSDataInputStream;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.FileUtil;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.security.UserGroupInformation;
+import org.apache.thrift.TApplicationException;
+import org.apache.thrift.TException;
+import org.apache.thrift.protocol.TProtocolFactory;
+import org.apache.thrift.server.TServer;
+import org.junit.After;
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.collect.Iterators;
+import com.google.common.net.HostAndPort;
+
+/**
+ * Call every method on the proxy and try to verify that it works.
+ */
+public abstract class SimpleProxyBase extends SharedMiniClusterIT {
+  private static final Logger log = LoggerFactory.getLogger(SimpleProxyBase.class);
+
+  @Override
+  protected int defaultTimeoutSeconds() {
+    return 60;
+  }
+
+  private static final long ZOOKEEPER_PROPAGATION_TIME = 10 * 1000;
+  private static TServer proxyServer;
+  private static int proxyPort;
+
+  private TestProxyClient proxyClient;
+  private org.apache.accumulo.proxy.thrift.AccumuloProxy.Client client;
+
+  private static Map<String,String> properties = new HashMap<>();
+  private static ByteBuffer creds = null;
+  private static String hostname, proxyPrincipal, proxyPrimary, clientPrincipal;
+  private static File proxyKeytab, clientKeytab;
+
+  // Implementations can set this
+  static TProtocolFactory factory = null;
+
+  private static void waitForAccumulo(Connector c) throws Exception {
+    Iterators.size(c.createScanner(MetadataTable.NAME, Authorizations.EMPTY).iterator());
+  }
+
+  private static boolean isKerberosEnabled() {
+    return SharedMiniClusterIT.TRUE.equals(System.getProperty(MiniClusterHarness.USE_KERBEROS_FOR_IT_OPTION));
+  }
+
+  /**
+   * Does the actual test setup, invoked by the concrete test class
+   */
+  public static void setUpProxy() throws Exception {
+    assertNotNull("Implementations must initialize the TProtocolFactory", factory);
+
+    Connector c = SharedMiniClusterIT.getConnector();
+    Instance inst = c.getInstance();
+    waitForAccumulo(c);
+
+    hostname = InetAddress.getLocalHost().getCanonicalHostName();
+
+    Properties props = new Properties();
+    props.put("instance", inst.getInstanceName());
+    props.put("zookeepers", inst.getZooKeepers());
+
+    final String tokenClass;
+    if (isKerberosEnabled()) {
+      tokenClass = KerberosToken.class.getName();
+      TestingKdc kdc = getKdc();
+
+      // Create a principal+keytab for the proxy
+      proxyKeytab = new File(kdc.getKeytabDir(), "proxy.keytab");
+      hostname = InetAddress.getLocalHost().getCanonicalHostName();
+      // Set the primary because the client needs to know it
+      proxyPrimary = "proxy";
+      // Qualify with an instance
+      proxyPrincipal = proxyPrimary + "/" + hostname;
+      kdc.createPrincipal(proxyKeytab, proxyPrincipal);
+      // Tack on the realm too
+      proxyPrincipal = kdc.qualifyUser(proxyPrincipal);
+
+      props.setProperty("kerberosPrincipal", proxyPrincipal);
+      props.setProperty("kerberosKeytab", proxyKeytab.getCanonicalPath());
+      props.setProperty("thriftServerType", "sasl");
+
+      // Enabled kerberos auth
+      Configuration conf = new Configuration(false);
+      conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTHENTICATION, "kerberos");
+      UserGroupInformation.setConfiguration(conf);
+
+      // Login for the Proxy itself
+      UserGroupInformation.loginUserFromKeytab(proxyPrincipal, proxyKeytab.getAbsolutePath());
+
+      // User for tests
+      ClusterUser user = kdc.getRootUser();
+      clientPrincipal = user.getPrincipal();
+      clientKeytab = user.getKeytab();
+    } else {
+      clientPrincipal = "root";
+      tokenClass = PasswordToken.class.getName();
+      properties.put("password", SharedMiniClusterIT.getRootPassword());
+      hostname = "localhost";
+    }
+
+    props.put("tokenClass", tokenClass);
+
+    ClientConfiguration clientConfig = SharedMiniClusterIT.getCluster().getClientConfig();
+    String clientConfPath = new File(SharedMiniClusterIT.getCluster().getConfig().getConfDir(), "client.conf").getAbsolutePath();
+    props.put("clientConfigurationFile", clientConfPath);
+    properties.put("clientConfigurationFile", clientConfPath);
+
+    proxyPort = PortUtils.getRandomFreePort();
+    proxyServer = Proxy.createProxyServer(HostAndPort.fromParts(hostname, proxyPort), factory, props, clientConfig).server;
+    while (!proxyServer.isServing())
+      UtilWaitThread.sleep(100);
+  }
+
+  @AfterClass
+  public static void tearDownProxy() throws Exception {
+    if (null != proxyServer) {
+      proxyServer.stop();
+    }
+  }
+
+  final IteratorSetting setting = new IteratorSetting(100, "slow", SlowIterator.class.getName(), Collections.singletonMap("sleepTime", "200"));
+  String table;
+  ByteBuffer badLogin;
+
+  @Before
+  public void setup() throws Exception {
+    // Create a new client for each test
+    if (isKerberosEnabled()) {
+      UserGroupInformation.loginUserFromKeytab(clientPrincipal, clientKeytab.getAbsolutePath());
+      proxyClient = new TestProxyClient(hostname, proxyPort, factory, proxyPrimary, UserGroupInformation.getCurrentUser());
+      client = proxyClient.proxy();
+      creds = client.login(clientPrincipal, properties);
+
+      TestingKdc kdc = getKdc();
+      final ClusterUser user = kdc.getClientPrincipal(0);
+      // Create another user
+      client.createLocalUser(creds, user.getPrincipal(), s2bb("unused"));
+      // Login in as that user we just created
+      UserGroupInformation.loginUserFromKeytab(user.getPrincipal(), user.getKeytab().getAbsolutePath());
+      final UserGroupInformation badUgi = UserGroupInformation.getCurrentUser();
+      // Get a "Credentials" object for the proxy
+      TestProxyClient badClient = new TestProxyClient(hostname, proxyPort, factory, proxyPrimary, badUgi);
+      try {
+        Client badProxy = badClient.proxy();
+        badLogin = badProxy.login(user.getPrincipal(), properties);
+      } finally {
+        badClient.close();
+      }
+
+      // Log back in as the test user
+      UserGroupInformation.loginUserFromKeytab(clientPrincipal, clientKeytab.getAbsolutePath());
+      // Drop test user, invalidating the credentials (not to mention not having the krb credentials anymore)
+      client.dropLocalUser(creds, user.getPrincipal());
+    } else {
+      proxyClient = new TestProxyClient(hostname, proxyPort, factory);
+      client = proxyClient.proxy();
+      creds = client.login("root", properties);
+
+      // Create 'user'
+      client.createLocalUser(creds, "user", s2bb(SharedMiniClusterIT.getRootPassword()));
+      // Log in as 'user'
+      badLogin = client.login("user", properties);
+      // Drop 'user', invalidating the credentials
+      client.dropLocalUser(creds, "user");
+    }
+
+    // Create a general table to be used
+    table = getUniqueNames(1)[0];
+    client.createTable(creds, table, true, TimeType.MILLIS);
+  }
+
+  @After
+  public void teardown() throws Exception {
+    if (null != table) {
+      if (isKerberosEnabled()) {
+        UserGroupInformation.loginUserFromKeytab(clientPrincipal, clientKeytab.getAbsolutePath());
+      }
+      try {
+        if (client.tableExists(creds, table)) {
+          client.deleteTable(creds, table);
+        }
+      } catch (Exception e) {
+        log.warn("Failed to delete test table", e);
+      }
+    }
+
+    // Close the transport after the test
+    if (null != proxyClient) {
+      proxyClient.close();
+    }
+  }
+
+  /*
+   * Set a lower timeout for tests that should fail fast
+   */
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void addConstraintLoginFailure() throws Exception {
+    client.addConstraint(badLogin, table, NumericValueConstraint.class.getName());
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void addSplitsLoginFailure() throws Exception {
+    client.addSplits(badLogin, table, Collections.singleton(s2bb("1")));
+  }
+
+  @Test(expected = TApplicationException.class, timeout = 5000)
+  public void clearLocatorCacheLoginFailure() throws Exception {
+    client.clearLocatorCache(badLogin, table);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void compactTableLoginFailure() throws Exception {
+    client.compactTable(badLogin, table, null, null, null, true, false, null);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void cancelCompactionLoginFailure() throws Exception {
+    client.cancelCompaction(badLogin, table);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void createTableLoginFailure() throws Exception {
+    client.createTable(badLogin, table, false, TimeType.MILLIS);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void deleteTableLoginFailure() throws Exception {
+    client.deleteTable(badLogin, table);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void deleteRowsLoginFailure() throws Exception {
+    client.deleteRows(badLogin, table, null, null);
+  }
+
+  @Test(expected = TApplicationException.class, timeout = 5000)
+  public void tableExistsLoginFailure() throws Exception {
+    client.tableExists(badLogin, table);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void flustTableLoginFailure() throws Exception {
+    client.flushTable(badLogin, table, null, null, false);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void getLocalityGroupsLoginFailure() throws Exception {
+    client.getLocalityGroups(badLogin, table);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void getMaxRowLoginFailure() throws Exception {
+    client.getMaxRow(badLogin, table, Collections.<ByteBuffer> emptySet(), null, false, null, false);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void getTablePropertiesLoginFailure() throws Exception {
+    client.getTableProperties(badLogin, table);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void listSplitsLoginFailure() throws Exception {
+    client.listSplits(badLogin, table, 10000);
+  }
+
+  @Test(expected = TApplicationException.class, timeout = 5000)
+  public void listTablesLoginFailure() throws Exception {
+    client.listTables(badLogin);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void listConstraintsLoginFailure() throws Exception {
+    client.listConstraints(badLogin, table);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void mergeTabletsLoginFailure() throws Exception {
+    client.mergeTablets(badLogin, table, null, null);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void offlineTableLoginFailure() throws Exception {
+    client.offlineTable(badLogin, table, false);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void onlineTableLoginFailure() throws Exception {
+    client.onlineTable(badLogin, table, false);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void removeConstraintLoginFailure() throws Exception {
+    client.removeConstraint(badLogin, table, 0);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void removeTablePropertyLoginFailure() throws Exception {
+    client.removeTableProperty(badLogin, table, Property.TABLE_FILE_MAX.getKey());
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void renameTableLoginFailure() throws Exception {
+    client.renameTable(badLogin, table, "someTableName");
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void setLocalityGroupsLoginFailure() throws Exception {
+    Map<String,Set<String>> groups = new HashMap<String,Set<String>>();
+    groups.put("group1", Collections.singleton("cf1"));
+    groups.put("group2", Collections.singleton("cf2"));
+    client.setLocalityGroups(badLogin, table, groups);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void setTablePropertyLoginFailure() throws Exception {
+    client.setTableProperty(badLogin, table, Property.TABLE_FILE_MAX.getKey(), "0");
+  }
+
+  @Test(expected = TException.class, timeout = 5000)
+  public void tableIdMapLoginFailure() throws Exception {
+    client.tableIdMap(badLogin);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void getSiteConfigurationLoginFailure() throws Exception {
+    client.getSiteConfiguration(badLogin);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void getSystemConfigurationLoginFailure() throws Exception {
+    client.getSystemConfiguration(badLogin);
+  }
+
+  @Test(expected = TException.class, timeout = 5000)
+  public void getTabletServersLoginFailure() throws Exception {
+    client.getTabletServers(badLogin);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void getActiveScansLoginFailure() throws Exception {
+    client.getActiveScans(badLogin, "fake");
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void getActiveCompactionsLoginFailure() throws Exception {
+    client.getActiveCompactions(badLogin, "fakse");
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void removePropertyLoginFailure() throws Exception {
+    client.removeProperty(badLogin, "table.split.threshold");
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void setPropertyLoginFailure() throws Exception {
+    client.setProperty(badLogin, "table.split.threshold", "500M");
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void testClassLoadLoginFailure() throws Exception {
+    client.testClassLoad(badLogin, DevNull.class.getName(), SortedKeyValueIterator.class.getName());
+  }
+
+  @Test(timeout = 5000)
+  public void authenticateUserLoginFailure() throws Exception {
+    if (!isKerberosEnabled()) {
+      try {
+        // Not really a relevant test for kerberos
+        client.authenticateUser(badLogin, "root", s2pp(SharedMiniClusterIT.getRootPassword()));
+        fail("Expected AccumuloSecurityException");
+      } catch (AccumuloSecurityException e) {
+        // Expected
+        return;
+      }
+    }
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void changeUserAuthorizationsLoginFailure() throws Exception {
+    HashSet<ByteBuffer> auths = new HashSet<ByteBuffer>(Arrays.asList(s2bb("A"), s2bb("B")));
+    client.changeUserAuthorizations(badLogin, "stooge", auths);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void changePasswordLoginFailure() throws Exception {
+    client.changeLocalUserPassword(badLogin, "stooge", s2bb(""));
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void createUserLoginFailure() throws Exception {
+    client.createLocalUser(badLogin, "stooge", s2bb("password"));
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void dropUserLoginFailure() throws Exception {
+    client.dropLocalUser(badLogin, "stooge");
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void getUserAuthorizationsLoginFailure() throws Exception {
+    client.getUserAuthorizations(badLogin, "stooge");
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void grantSystemPermissionLoginFailure() throws Exception {
+    client.grantSystemPermission(badLogin, "stooge", SystemPermission.CREATE_TABLE);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void grantTablePermissionLoginFailure() throws Exception {
+    client.grantTablePermission(badLogin, "root", table, TablePermission.WRITE);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void hasSystemPermissionLoginFailure() throws Exception {
+    client.hasSystemPermission(badLogin, "stooge", SystemPermission.CREATE_TABLE);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void hasTablePermission() throws Exception {
+    client.hasTablePermission(badLogin, "root", table, TablePermission.WRITE);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void listLocalUsersLoginFailure() throws Exception {
+    client.listLocalUsers(badLogin);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void revokeSystemPermissionLoginFailure() throws Exception {
+    client.revokeSystemPermission(badLogin, "stooge", SystemPermission.CREATE_TABLE);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void revokeTablePermissionLoginFailure() throws Exception {
+    client.revokeTablePermission(badLogin, "root", table, TablePermission.ALTER_TABLE);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void createScannerLoginFailure() throws Exception {
+    client.createScanner(badLogin, table, new ScanOptions());
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void createBatchScannerLoginFailure() throws Exception {
+    client.createBatchScanner(badLogin, table, new BatchScanOptions());
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void updateAndFlushLoginFailure() throws Exception {
+    client.updateAndFlush(badLogin, table, new HashMap<ByteBuffer,List<ColumnUpdate>>());
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void createWriterLoginFailure() throws Exception {
+    client.createWriter(badLogin, table, new WriterOptions());
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void attachIteratorLoginFailure() throws Exception {
+    client.attachIterator(badLogin, "slow", setting, EnumSet.allOf(IteratorScope.class));
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void checkIteratorLoginFailure() throws Exception {
+    client.checkIteratorConflicts(badLogin, table, setting, EnumSet.allOf(IteratorScope.class));
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void cloneTableLoginFailure() throws Exception {
+    client.cloneTable(badLogin, table, table + "_clone", false, null, null);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void exportTableLoginFailure() throws Exception {
+    client.exportTable(badLogin, table, "/tmp");
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void importTableLoginFailure() throws Exception {
+    client.importTable(badLogin, "testify", "/tmp");
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void getIteratorSettingLoginFailure() throws Exception {
+    client.getIteratorSetting(badLogin, table, "foo", IteratorScope.SCAN);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void listIteratorsLoginFailure() throws Exception {
+    client.listIterators(badLogin, table);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void removeIteratorLoginFailure() throws Exception {
+    client.removeIterator(badLogin, table, "name", EnumSet.allOf(IteratorScope.class));
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void splitRangeByTabletsLoginFailure() throws Exception {
+    client.splitRangeByTablets(badLogin, table, client.getRowRange(ByteBuffer.wrap("row".getBytes())), 10);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void importDirectoryLoginFailure() throws Exception {
+    MiniAccumuloClusterImpl cluster = SharedMiniClusterIT.getCluster();
+    Path base = cluster.getTemporaryPath();
+    Path importDir = new Path(base, "importDir");
+    Path failuresDir = new Path(base, "failuresDir");
+    assertTrue(cluster.getFileSystem().mkdirs(importDir));
+    assertTrue(cluster.getFileSystem().mkdirs(failuresDir));
+    client.importDirectory(badLogin, table, importDir.toString(), failuresDir.toString(), true);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void pingTabletServerLoginFailure() throws Exception {
+    client.pingTabletServer(badLogin, "fake");
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void loginFailure() throws Exception {
+    client.login("badUser", properties);
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void testTableClassLoadLoginFailure() throws Exception {
+    client.testTableClassLoad(badLogin, table, VersioningIterator.class.getName(), SortedKeyValueIterator.class.getName());
+  }
+
+  @Test(expected = AccumuloSecurityException.class, timeout = 5000)
+  public void createConditionalWriterLoginFailure() throws Exception {
+    client.createConditionalWriter(badLogin, table, new ConditionalWriterOptions());
+  }
+
+  @Test
+  public void tableNotFound() throws Exception {
+    final String doesNotExist = "doesNotExists";
+    try {
+      client.addConstraint(creds, doesNotExist, NumericValueConstraint.class.getName());
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.addSplits(creds, doesNotExist, Collections.<ByteBuffer> emptySet());
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    final IteratorSetting setting = new IteratorSetting(100, "slow", SlowIterator.class.getName(), Collections.singletonMap("sleepTime", "200"));
+    try {
+      client.attachIterator(creds, doesNotExist, setting, EnumSet.allOf(IteratorScope.class));
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.cancelCompaction(creds, doesNotExist);
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.checkIteratorConflicts(creds, doesNotExist, setting, EnumSet.allOf(IteratorScope.class));
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.clearLocatorCache(creds, doesNotExist);
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      final String TABLE_TEST = getUniqueNames(1)[0];
+      client.cloneTable(creds, doesNotExist, TABLE_TEST, false, null, null);
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.compactTable(creds, doesNotExist, null, null, null, true, false, null);
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.createBatchScanner(creds, doesNotExist, new BatchScanOptions());
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.createScanner(creds, doesNotExist, new ScanOptions());
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.createWriter(creds, doesNotExist, new WriterOptions());
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.deleteRows(creds, doesNotExist, null, null);
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.deleteTable(creds, doesNotExist);
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.exportTable(creds, doesNotExist, "/tmp");
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.flushTable(creds, doesNotExist, null, null, false);
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.getIteratorSetting(creds, doesNotExist, "foo", IteratorScope.SCAN);
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.getLocalityGroups(creds, doesNotExist);
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.getMaxRow(creds, doesNotExist, Collections.<ByteBuffer> emptySet(), null, false, null, false);
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.getTableProperties(creds, doesNotExist);
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.grantTablePermission(creds, "root", doesNotExist, TablePermission.WRITE);
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.hasTablePermission(creds, "root", doesNotExist, TablePermission.WRITE);
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      MiniAccumuloClusterImpl cluster = SharedMiniClusterIT.getCluster();
+      Path base = cluster.getTemporaryPath();
+      Path importDir = new Path(base, "importDir");
+      Path failuresDir = new Path(base, "failuresDir");
+      assertTrue(cluster.getFileSystem().mkdirs(importDir));
+      assertTrue(cluster.getFileSystem().mkdirs(failuresDir));
+      client.importDirectory(creds, doesNotExist, importDir.toString(), failuresDir.toString(), true);
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.listConstraints(creds, doesNotExist);
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.listSplits(creds, doesNotExist, 10000);
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.mergeTablets(creds, doesNotExist, null, null);
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.offlineTable(creds, doesNotExist, false);
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.onlineTable(creds, doesNotExist, false);
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.removeConstraint(creds, doesNotExist, 0);
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.removeIterator(creds, doesNotExist, "name", EnumSet.allOf(IteratorScope.class));
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.removeTableProperty(creds, doesNotExist, Property.TABLE_FILE_MAX.getKey());
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.renameTable(creds, doesNotExist, "someTableName");
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.revokeTablePermission(creds, "root", doesNotExist, TablePermission.ALTER_TABLE);
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.setTableProperty(creds, doesNotExist, Property.TABLE_FILE_MAX.getKey(), "0");
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.splitRangeByTablets(creds, doesNotExist, client.getRowRange(ByteBuffer.wrap("row".getBytes())), 10);
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.updateAndFlush(creds, doesNotExist, new HashMap<ByteBuffer,List<ColumnUpdate>>());
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.getDiskUsage(creds, Collections.singleton(doesNotExist));
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.testTableClassLoad(creds, doesNotExist, VersioningIterator.class.getName(), SortedKeyValueIterator.class.getName());
+      fail("exception not thrown");
+    } catch (TableNotFoundException ex) {}
+    try {
+      client.createConditionalWriter(creds, doesNotExist, new ConditionalWriterOptions());
+    } catch (TableNotFoundException ex) {}
+  }
+
+  @Test
+  public void testExists() throws Exception {
+    client.createTable(creds, "ett1", false, TimeType.MILLIS);
+    client.createTable(creds, "ett2", false, TimeType.MILLIS);
+    try {
+      client.createTable(creds, "ett1", false, TimeType.MILLIS);
+      fail("exception not thrown");
+    } catch (TableExistsException tee) {}
+    try {
+      client.renameTable(creds, "ett1", "ett2");
+      fail("exception not thrown");
+    } catch (TableExistsException tee) {}
+    try {
+      client.cloneTable(creds, "ett1", "ett2", false, new HashMap<String,String>(), new HashSet<String>());
+      fail("exception not thrown");
+    } catch (TableExistsException tee) {}
+  }
+
+  @Test
+  public void testUnknownScanner() throws Exception {
+    String scanner = client.createScanner(creds, table, null);
+    assertFalse(client.hasNext(scanner));
+    client.closeScanner(scanner);
+
+    try {
+      client.hasNext(scanner);
+      fail("exception not thrown");
+    } catch (UnknownScanner us) {}
+
+    try {
+      client.closeScanner(scanner);
+      fail("exception not thrown");
+    } catch (UnknownScanner us) {}
+
+    try {
+      client.nextEntry("99999999");
+      fail("exception not thrown");
+    } catch (UnknownScanner us) {}
+    try {
+      client.nextK("99999999", 6);
+      fail("exception not thrown");
+    } catch (UnknownScanner us) {}
+    try {
+      client.hasNext("99999999");
+      fail("exception not thrown");
+    } catch (UnknownScanner us) {}
+    try {
+      client.hasNext(UUID.randomUUID().toString());
+      fail("exception not thrown");
+    } catch (UnknownScanner us) {}
+  }
+
+  @Test
+  public void testUnknownWriter() throws Exception {
+    String writer = client.createWriter(creds, table, null);
+    client.update(writer, mutation("row0", "cf", "cq", "value"));
+    client.flush(writer);
+    client.update(writer, mutation("row2", "cf", "cq", "value2"));
+    client.closeWriter(writer);
+
+    // this is a oneway call, so it does not throw exceptions
+    client.update(writer, mutation("row2", "cf", "cq", "value2"));
+
+    try {
+      client.flush(writer);
+      fail("exception not thrown");
+    } catch (UnknownWriter uw) {}
+    try {
+      client.flush("99999");
+      fail("exception not thrown");
+    } catch (UnknownWriter uw) {}
+    try {
+      client.flush(UUID.randomUUID().toString());
+      fail("exception not thrown");
+    } catch (UnknownWriter uw) {}
+    try {
+      client.closeWriter("99999");
+      fail("exception not thrown");
+    } catch (UnknownWriter uw) {}
+  }
+
+  @Test
+  public void testDelete() throws Exception {
+    client.updateAndFlush(creds, table, mutation("row0", "cf", "cq", "value"));
+
+    assertScan(new String[][] {{"row0", "cf", "cq", "value"}}, table);
+
+    ColumnUpdate upd = new ColumnUpdate(s2bb("cf"), s2bb("cq"));
+    upd.setDeleteCell(false);
+    Map<ByteBuffer,List<ColumnUpdate>> notDelete = Collections.singletonMap(s2bb("row0"), Collections.singletonList(upd));
+    client.updateAndFlush(creds, table, notDelete);
+    String scanner = client.createScanner(creds, table, null);
+    ScanResult entries = client.nextK(scanner, 10);
+    client.closeScanner(scanner);
+    assertFalse(entries.more);
+    assertEquals("Results: " + entries.results, 1, entries.results.size());
+
+    upd = new ColumnUpdate(s2bb("cf"), s2bb("cq"));
+    upd.setDeleteCell(true);
+    Map<ByteBuffer,List<ColumnUpdate>> delete = Collections.singletonMap(s2bb("row0"), Collections.singletonList(upd));
+
+    client.updateAndFlush(creds, table, delete);
+
+    assertScan(new String[][] {}, table);
+  }
+
+  @Test
+  public void testSystemProperties() throws Exception {
+    Map<String,String> cfg = client.getSiteConfiguration(creds);
+
+    // set a property in zookeeper
+    client.setProperty(creds, "table.split.threshold", "500M");
+
+    // check that we can read it
+    for (int i = 0; i < 5; i++) {
+      cfg = client.getSystemConfiguration(creds);
+      if ("500M".equals(cfg.get("table.split.threshold")))
+        break;
+      UtilWaitThread.sleep(200);
+    }
+    assertEquals("500M", cfg.get("table.split.threshold"));
+
+    // unset the setting, check that it's not what it was
+    client.removeProperty(creds, "table.split.threshold");
+    for (int i = 0; i < 5; i++) {
+      cfg = client.getSystemConfiguration(creds);
+      if (!"500M".equals(cfg.get("table.split.threshold")))
+        break;
+      UtilWaitThread.sleep(200);
+    }
+    assertNotEquals("500M", cfg.get("table.split.threshold"));
+  }
+
+  @Test
+  public void pingTabletServers() throws Exception {
+    int tservers = 0;
+    for (String tserver : client.getTabletServers(creds)) {
+      client.pingTabletServer(creds, tserver);
+      tservers++;
+    }
+    assertTrue(tservers > 0);
+  }
+
+  @Test
+  public void testSiteConfiguration() throws Exception {
+    // get something we know is in the site config
+    MiniAccumuloClusterImpl cluster = SharedMiniClusterIT.getCluster();
+    Map<String,String> cfg = client.getSiteConfiguration(creds);
+    assertTrue(cfg.get("instance.dfs.dir").startsWith(cluster.getConfig().getAccumuloDir().getAbsolutePath()));
+  }
+
+  @Test
+  public void testClassLoad() throws Exception {
+    // try to load some classes via the proxy
+    assertTrue(client.testClassLoad(creds, DevNull.class.getName(), SortedKeyValueIterator.class.getName()));
+    assertFalse(client.testClassLoad(creds, "foo.bar", SortedKeyValueIterator.class.getName()));
+  }
+
+  @Test
+  public void attachIteratorsWithScans() throws Exception {
+    if (client.tableExists(creds, "slow")) {
+      client.deleteTable(creds, "slow");
+    }
+
+    // create a table that's very slow, so we can look for scans
+    client.createTable(creds, "slow", true, TimeType.MILLIS);
+    IteratorSetting setting = new IteratorSetting(100, "slow", SlowIterator.class.getName(), Collections.singletonMap("sleepTime", "250"));
+    client.attachIterator(creds, "slow", setting, EnumSet.allOf(IteratorScope.class));
+
+    // Should take 10 seconds to read every record
+    for (int i = 0; i < 40; i++) {
+      client.updateAndFlush(creds, "slow", mutation("row" + i, "cf", "cq", "value"));
+    }
+
+    // scan
+    Thread t = new Thread() {
+      @Override
+      public void run() {
+        String scanner;
+        TestProxyClient proxyClient2 = null;
+        try {
+          if (isKerberosEnabled()) {
+            UserGroupInformation.loginUserFromKeytab(clientPrincipal, clientKeytab.getAbsolutePath());
+            proxyClient2 = new TestProxyClient(hostname, proxyPort, factory, proxyPrimary, UserGroupInformation.getCurrentUser());
+          } else {
+            proxyClient2 = new TestProxyClient(hostname, proxyPort, factory);
+          }
+
+          Client client2 = proxyClient2.proxy();
+          scanner = client2.createScanner(creds, "slow", null);
+          client2.nextK(scanner, 10);
+          client2.closeScanner(scanner);
+        } catch (Exception e) {
+          throw new RuntimeException(e);
+        } finally {
+          if (null != proxyClient2) {
+            proxyClient2.close();
+          }
+        }
+      }
+    };
+    t.start();
+
+    // look for the scan many times
+    List<ActiveScan> scans = new ArrayList<ActiveScan>();
+    for (int i = 0; i < 100 && scans.isEmpty(); i++) {
+      for (String tserver : client.getTabletServers(creds)) {
+        List<ActiveScan> scansForServer = client.getActiveScans(creds, tserver);
+        for (ActiveScan scan : scansForServer) {
+          if (clientPrincipal.equals(scan.getUser())) {
+            scans.add(scan);
+          }
+        }
+
+        if (!scans.isEmpty())
+          break;
+        UtilWaitThread.sleep(100);
+      }
+    }
+    t.join();
+
+    assertFalse("Expected to find scans, but found none", scans.isEmpty());
+    boolean found = false;
+    Map<String,String> map = null;
+    for (int i = 0; i < scans.size() && !found; i++) {
+      ActiveScan scan = scans.get(i);
+      if (clientPrincipal.equals(scan.getUser())) {
+        assertTrue(ScanState.RUNNING.equals(scan.getState()) || ScanState.QUEUED.equals(scan.getState()));
+        assertEquals(ScanType.SINGLE, scan.getType());
+        assertEquals("slow", scan.getTable());
+
+        map = client.tableIdMap(creds);
+        assertEquals(map.get("slow"), scan.getExtent().tableId);
+        assertTrue(scan.getExtent().endRow == null);
+        assertTrue(scan.getExtent().prevEndRow == null);
+        found = true;
+      }
+    }
+
+    assertTrue("Could not find a scan against the 'slow' table", found);
+  }
+
+  @Test
+  public void attachIteratorWithCompactions() throws Exception {
+    if (client.tableExists(creds, "slow")) {
+      client.deleteTable(creds, "slow");
+    }
+
+    // create a table that's very slow, so we can look for compactions
+    client.createTable(creds, "slow", true, TimeType.MILLIS);
+    IteratorSetting setting = new IteratorSetting(100, "slow", SlowIterator.class.getName(), Collections.singletonMap("sleepTime", "250"));
+    client.attachIterator(creds, "slow", setting, EnumSet.allOf(IteratorScope.class));
+
+    // Should take 10 seconds to read every record
+    for (int i = 0; i < 40; i++) {
+      client.updateAndFlush(creds, "slow", mutation("row" + i, "cf", "cq", "value"));
+    }
+
+    Map<String,String> map = client.tableIdMap(creds);
+
+    // start a compaction
+    Thread t = new Thread() {
+      @Override
+      public void run() {
+        TestProxyClient proxyClient2 = null;
+        try {
+          if (isKerberosEnabled()) {
+            UserGroupInformation.loginUserFromKeytab(clientPrincipal, clientKeytab.getAbsolutePath());
+            proxyClient2 = new TestProxyClient(hostname, proxyPort, factory, proxyPrimary, UserGroupInformation.getCurrentUser());
+          } else {
+            proxyClient2 = new TestProxyClient(hostname, proxyPort, factory);
+          }
+          Client client2 = proxyClient2.proxy();
+          client2.compactTable(creds, "slow", null, null, null, true, true, null);
+        } catch (Exception e) {
+          throw new RuntimeException(e);
+        } finally {
+          if (null != proxyClient2) {
+            proxyClient2.close();
+          }
+        }
+      }
+    };
+    t.start();
+
+    final String desiredTableId = map.get("slow");
+
+    // Make sure we can find the slow table
+    assertNotNull(desiredTableId);
+
+    // try to catch it in the act
+    List<ActiveCompaction> compactions = new ArrayList<ActiveCompaction>();
+    for (int i = 0; i < 100 && compactions.isEmpty(); i++) {
+      // Iterate over the tservers
+      for (String tserver : client.getTabletServers(creds)) {
+        // And get the compactions on each
+        List<ActiveCompaction> compactionsOnServer = client.getActiveCompactions(creds, tserver);
+        for (ActiveCompaction compact : compactionsOnServer) {
+          // There might be other compactions occurring (e.g. on METADATA) in which
+          // case we want to prune out those that aren't for our slow table
+          if (desiredTableId.equals(compact.getExtent().tableId)) {
+            compactions.add(compact);
+          }
+        }
+
+        // If we found a compaction for the table we wanted, so we can stop looking
+        if (!compactions.isEmpty())
+          break;
+      }
+      UtilWaitThread.sleep(10);
+    }
+    t.join();
+
+    // verify the compaction information
+    assertFalse(compactions.isEmpty());
+    for (ActiveCompaction c : compactions) {
+      if (desiredTableId.equals(c.getExtent().tableId)) {
+        assertTrue(c.inputFiles.isEmpty());
+        assertEquals(CompactionType.MINOR, c.getType());
+        assertEquals(CompactionReason.USER, c.getReason());
+        assertEquals("", c.localityGroup);
+        assertTrue(c.outputFile.contains("default_tablet"));
+
+        return;
+      }
+    }
+
+    fail("Expection to find running compaction for table 'slow' but did not find one");
+  }
+
+  @Test
+  public void userAuthentication() throws Exception {
+    if (isKerberosEnabled()) {
+      assertTrue(client.authenticateUser(creds, clientPrincipal, Collections.<String,String> emptyMap()));
+      // Can't really authenticate "badly" at the application level w/ kerberos. It's going to fail to even set up an RPC
+    } else {
+      // check password
+      assertTrue(client.authenticateUser(creds, "root", s2pp(SharedMiniClusterIT.getRootPassword())));
+      assertFalse(client.authenticateUser(creds, "root", s2pp("")));
+    }
+  }
+
+  @Test
+  public void userManagement() throws Exception {
+
+    String user;
+    ClusterUser otherClient = null;
+    ByteBuffer password = s2bb("password");
+    if (isKerberosEnabled()) {
+      otherClient = getKdc().getClientPrincipal(1);
+      user = otherClient.getPrincipal();
+    } else {
+      user = getUniqueNames(1)[0];
+    }
+
+    // create a user
+    client.createLocalUser(creds, user, password);
+    // change auths
+    Set<String> users = client.listLocalUsers(creds);
+    Set<String> expectedUsers = new HashSet<String>(Arrays.asList(clientPrincipal, user));
+    assertTrue("Did not find all expected users: " + expectedUsers, users.containsAll(expectedUsers));
+    HashSet<ByteBuffer> auths = new HashSet<ByteBuffer>(Arrays.asList(s2bb("A"), s2bb("B")));
+    client.changeUserAuthorizations(creds, user, auths);
+    List<ByteBuffer> update = client.getUserAuthorizations(creds, user);
+    assertEquals(auths, new HashSet<ByteBuffer>(update));
+
+    // change password
+    if (!isKerberosEnabled()) {
+      password = s2bb("");
+      client.changeLocalUserPassword(creds, user, password);
+      assertTrue(client.authenticateUser(creds, user, s2pp(new String(password.array(), password.position(), password.limit()))));
+    }
+
+    if (isKerberosEnabled()) {
+      UserGroupInformation.loginUserFromKeytab(otherClient.getPrincipal(), otherClient.getKeytab().getAbsolutePath());
+      final UserGroupInformation ugi = UserGroupInformation.getCurrentUser();
+      // Re-login in and make a new connection. Can't use the previous one
+
+      TestProxyClient otherProxyClient = null;
+      try {
+        otherProxyClient = new TestProxyClient(hostname, proxyPort, factory, proxyPrimary, ugi);
+        otherProxyClient.proxy().login(user, Collections.<String,String> emptyMap());
+      } finally {
+        if (null != otherProxyClient) {
+          otherProxyClient.close();
+        }
+      }
+    } else {
+      // check login with new password
+      client.login(user, s2pp(new String(password.array(), password.position(), password.limit())));
+    }
+  }
+
+  @Test
+  public void userPermissions() throws Exception {
+    String userName = getUniqueNames(1)[0];
+    ClusterUser otherClient = null;
+    ByteBuffer password = s2bb("password");
+    ByteBuffer user;
+
+    TestProxyClient origProxyClient = null;
+    Client origClient = null;
+    TestProxyClient userProxyClient = null;
+    Client userClient = null;
+
+    if (isKerberosEnabled()) {
+      otherClient = getKdc().getClientPrincipal(1);
+      userName = otherClient.getPrincipal();
+
+      UserGroupInformation.loginUserFromKeytab(otherClient.getPrincipal(), otherClient.getKeytab().getAbsolutePath());
+      final UserGroupInformation ugi = UserGroupInformation.getCurrentUser();
+      // Re-login in and make a new connection. Can't use the previous one
+
+      userProxyClient = new TestProxyClient(hostname, proxyPort, factory, proxyPrimary, ugi);
+
+      origProxyClient = proxyClient;
+      origClient = client;
+      userClient = client = userProxyClient.proxy();
+
+      user = client.login(userName, Collections.<String,String> emptyMap());
+    } else {
+      userName = getUniqueNames(1)[0];
+      // create a user
+      client.createLocalUser(creds, userName, password);
+      user = client.login(userName, s2pp(new String(password.array(), password.position(), password.limit())));
+    }
+
+    // check permission failure
+    try {
+      client.createTable(user, "fail", true, TimeType.MILLIS);
+      fail("should not create the table");
+    } catch (AccumuloSecurityException ex) {
+      if (isKerberosEnabled()) {
+        // Switch back to original client
+        UserGroupInformation.loginUserFromKeytab(clientPrincipal, clientKeytab.getAbsolutePath());
+        client = origClient;
+      }
+      assertFalse(client.listTables(creds).contains("fail"));
+    }
+    // grant permissions and test
+    assertFalse(client.hasSystemPermission(creds, userName, SystemPermission.CREATE_TABLE));
+    client.grantSystemPermission(creds, userName, SystemPermission.CREATE_TABLE);
+    assertTrue(client.hasSystemPermission(creds, userName, SystemPermission.CREATE_TABLE));
+    if (isKerberosEnabled()) {
+      // Switch back to the extra user
+      UserGroupInformation.loginUserFromKeytab(otherClient.getPrincipal(), otherClient.getKeytab().getAbsolutePath());
+      client = userClient;
+    }
+    client.createTable(user, "success", true, TimeType.MILLIS);
+    if (isKerberosEnabled()) {
+      // Switch back to original client
+      UserGroupInformation.loginUserFromKeytab(clientPrincipal, clientKeytab.getAbsolutePath());
+      client = origClient;
+    }
+    client.listTables(creds).contains("succcess");
+
+    // revoke permissions
+    client.revokeSystemPermission(creds, userName, SystemPermission.CREATE_TABLE);
+    assertFalse(client.hasSystemPermission(creds, userName, SystemPermission.CREATE_TABLE));
+    try {
+      if (isKerberosEnabled()) {
+        // Switch back to the extra user
+        UserGroupInformation.loginUserFromKeytab(otherClient.getPrincipal(), otherClient.getKeytab().getAbsolutePath());
+        client = userClient;
+      }
+      client.createTable(user, "fail", true, TimeType.MILLIS);
+      fail("should not create the table");
+    } catch (AccumuloSecurityException ex) {
+      if (isKerberosEnabled()) {
+        // Switch back to original client
+        UserGroupInformation.loginUserFromKeytab(clientPrincipal, clientKeytab.getAbsolutePath());
+        client = origClient;
+      }
+      assertFalse(client.listTables(creds).contains("fail"));
+    }
+    // denied!
+    try {
+      if (isKerberosEnabled()) {
+        // Switch back to the extra user
+        UserGroupInformation.loginUserFromKeytab(otherClient.getPrincipal(), otherClient.getKeytab().getAbsolutePath());
+        client = userClient;
+      }
+      String scanner = client.createScanner(user, table, null);
+      client.nextK(scanner, 100);
+      fail("stooge should not read table test");
+    } catch (AccumuloSecurityException ex) {}
+
+    if (isKerberosEnabled()) {
+      // Switch back to original client
+      UserGroupInformation.loginUserFromKeytab(clientPrincipal, clientKeytab.getAbsolutePath());
+      client = origClient;
+    }
+
+    // grant
+    assertFalse(client.hasTablePermission(creds, userName, table, TablePermission.READ));
+    client.grantTablePermission(creds, userName, table, TablePermission.READ);
+    assertTrue(client.hasTablePermission(creds, userName, table, TablePermission.READ));
+
+    if (isKerberosEnabled()) {
+      // Switch back to the extra user
+      UserGroupInformation.loginUserFromKeytab(otherClient.getPrincipal(), otherClient.getKeytab().getAbsolutePath());
+      client = userClient;
+    }
+    String scanner = client.createScanner(user, table, null);
+    client.nextK(scanner, 10);
+    client.closeScanner(scanner);
+
+    if (isKerberosEnabled()) {
+      // Switch back to original client
+      UserGroupInformation.loginUserFromKeytab(clientPrincipal, clientKeytab.getAbsolutePath());
+      client = origClient;
+    }
+
+    // revoke
+    client.revokeTablePermission(creds, userName, table, TablePermission.READ);
+    assertFalse(client.hasTablePermission(creds, userName, table, TablePermission.READ));
+    try {
+      if (isKerberosEnabled()) {
+        // Switch back to the extra user
+        UserGroupInformation.loginUserFromKeytab(otherClient.getPrincipal(), otherClient.getKeytab().getAbsolutePath());
+        client = userClient;
+      }
+      scanner = client.createScanner(user, table, null);
+      client.nextK(scanner, 100);
+      fail("stooge should not read table test");
+    } catch (AccumuloSecurityException ex) {}
+
+    if (isKerberosEnabled()) {
+      // Switch back to original client
+      UserGroupInformation.loginUserFromKeytab(clientPrincipal, clientKeytab.getAbsolutePath());
+      client = origClient;
+    }
+
+    // delete user
+    client.dropLocalUser(creds, userName);
+    Set<String> users = client.listLocalUsers(creds);
+    assertFalse("Should not see user after they are deleted", users.contains(userName));
+
+    if (isKerberosEnabled()) {
+      userProxyClient.close();
+      proxyClient = origProxyClient;
+      client = origClient;
+    }
+  }
+
+  @Test
+  public void testBatchWriter() throws Exception {
+    client.addConstraint(creds, table, NumericValueConstraint.class.getName());
+    // zookeeper propagation time
+    UtilWaitThread.sleep(ZOOKEEPER_PROPAGATION_TIME);
+
+    WriterOptions writerOptions = new WriterOptions();
+    writerOptions.setLatencyMs(10000);
+    writerOptions.setMaxMemory(2);
+    writerOptions.setThreads(1);
+    writerOptions.setTimeoutMs(100000);
+
+    Map<String,Integer> constraints = client.listConstraints(creds, table);
+    while (!constraints.containsKey(NumericValueConstraint.class.getName())) {
+      log.info("Constraints don't contain NumericValueConstraint");
+      Thread.sleep(2000);
+      constraints = client.listConstraints(creds, table);
+    }
+
+    boolean success = false;
+    for (int i = 0; i < 15; i++) {
+      String batchWriter = client.createWriter(creds, table, writerOptions);
+      client.update(batchWriter, mutation("row1", "cf", "cq", "x"));
+      client.update(batchWriter, mutation("row1", "cf", "cq", "x"));
+      try {
+        client.flush(batchWriter);
+        log.debug("Constraint failed to fire. Waiting and retrying");
+        Thread.sleep(5000);
+        continue;
+      } catch (MutationsRejectedException ex) {}
+      try {
+        client.closeWriter(batchWriter);
+        log.debug("Constraint failed to fire. Waiting and retrying");
+        Thread.sleep(5000);
+        continue;
+      } catch (MutationsRejectedException e) {}
+      success = true;
+      break;
+    }
+
+    if (!success) {
+      fail("constraint did not fire");
+    }
+
+    client.removeConstraint(creds, table, 2);
+
+    constraints = client.listConstraints(creds, table);
+    while (constraints.containsKey(NumericValueConstraint.class.getName())) {
+      log.info("Constraints still contains NumericValueConstraint");
+      Thread.sleep(2000);
+      constraints = client.listConstraints(creds, table);
+    }
+
+    assertScan(new String[][] {}, table);
+
+    UtilWaitThread.sleep(ZOOKEEPER_PROPAGATION_TIME);
+
+    writerOptions = new WriterOptions();
+    writerOptions.setLatencyMs(10000);
+    writerOptions.setMaxMemory(3000);
+    writerOptions.setThreads(1);
+    writerOptions.setTimeoutMs(100000);
+
+    success = false;
+    for (int i = 0; i < 15; i++) {
+      try {
+        String batchWriter = client.createWriter(creds, table, writerOptions);
+
+        client.update(batchWriter, mutation("row1", "cf", "cq", "x"));
+        client.flush(batchWriter);
+        client.closeWriter(batchWriter);
+        success = true;
+        break;
+      } catch (MutationsRejectedException e) {
+        log.info("Mutations were rejected, assuming constraint is still active", e);
+        Thread.sleep(5000);
+      }
+    }
+
+    if (!success) {
+      fail("Failed to successfully write data after constraint was removed");
+    }
+
+    assertScan(new String[][] {{"row1", "cf", "cq", "x"}}, table);
+
+    client.deleteTable(creds, table);
+  }
+
+  @Test
+  public void testTableConstraints() throws Exception {
+    log.debug("Setting NumericValueConstraint on " + table);
+
+    // constraints
+    client.addConstraint(creds, table, NumericValueConstraint.class.getName());
+
+    // zookeeper propagation time
+    Thread.sleep(ZOOKEEPER_PROPAGATION_TIME);
+
+    log.debug("Attempting to verify client-side that constraints are observed");
+
+    Map<String,Integer> constraints = client.listConstraints(creds, table);
+    while (!constraints.containsKey(NumericValueConstraint.class.getName())) {
+      log.debug("Constraints don't contain NumericValueConstraint");
+      Thread.sleep(2000);
+      constraints = client.listConstraints(creds, table);
+    }
+
+    assertEquals(2, client.listConstraints(creds, table).size());
+    log.debug("Verified client-side that constraints exist");
+
+    // Write data that satisfies the constraint
+    client.updateAndFlush(creds, table, mutation("row1", "cf", "cq", "123"));
+
+    log.debug("Successfully wrote data that satisfies the constraint");
+    log.debug("Trying to write data that the constraint should reject");
+
+    // Expect failure on data that fails the constraint
+    while (true) {
+      try {
+        client.updateAndFlush(creds, table, mutation("row1", "cf", "cq", "x"));
+        log.debug("Expected mutation to be rejected, but was not. Waiting and retrying");
+        Thread.sleep(5000);
+      } catch (MutationsRejectedException ex) {
+        break;
+      }
+    }
+
+    log.debug("Saw expected failure on data which fails the constraint");
+
+    log.debug("Removing constraint from table");
+    client.removeConstraint(creds, table, 2);
+
+    UtilWaitThread.sleep(ZOOKEEPER_PROPAGATION_TIME);
+
+    constraints = client.listConstraints(creds, table);
+    while (constraints.containsKey(NumericValueConstraint.class.getName())) {
+      log.debug("Constraints contains NumericValueConstraint");
+      Thread.sleep(2000);
+      constraints = client.listConstraints(creds, table);
+    }
+
+    assertEquals(1, client.listConstraints(creds, table).size());
+    log.debug("Verified client-side that the constraint was removed");
+
+    log.debug("Attempting to write mutation that should succeed after constraints was removed");
+    // Make sure we can write the data after we removed the constraint
+    while (true) {
+      try {
+        client.updateAndFlush(creds, table, mutation("row1", "cf", "cq", "x"));
+        break;
+      } catch (MutationsRejectedException ex) {
+        log.debug("Expected mutation accepted, but was not. Waiting and retrying");
+        Thread.sleep(5000);
+      }
+    }
+
+    log.debug("Verifying that record can be read from the table");
+    assertScan(new String[][] {{"row1", "cf", "cq", "x"}}, table);
+  }
+
+  @Test
+  public void tableMergesAndSplits() throws Exception {
+    // add some splits
+    client.addSplits(creds, table, new HashSet<ByteBuffer>(Arrays.asList(s2bb("a"), s2bb("m"), s2bb("z"))));
+    List<ByteBuffer> splits = client.listSplits(creds, table, 1);
+    assertEquals(Arrays.asList(s2bb("m")), splits);
+
+    // Merge some of the splits away
+    client.mergeTablets(creds, table, null, s2bb("m"));
+    splits = client.listSplits(creds, table, 10);
+    assertEquals(Arrays.asList(s2bb("m"), s2bb("z")), splits);
+
+    // Merge the entire table
+    client.mergeTablets(creds, table, null, null);
+    splits = client.listSplits(creds, table, 10);
+    List<ByteBuffer> empty = Collections.emptyList();
+
+    // No splits after merge on whole table
+    assertEquals(empty, splits);
+  }
+
+  @Test
+  public void iteratorFunctionality() throws Exception {
+    // iterators
+    HashMap<String,String> options = new HashMap<String,String>();
+    options.put("type", "STRING");
+    options.put("columns", "cf");
+    IteratorSetting setting = new IteratorSetting(10, table, SummingCombiner.class.getName(), options);
+    client.attachIterator(creds, table, setting, EnumSet.allOf(IteratorScope.class));
+    for (int i = 0; i < 10; i++) {
+      client.updateAndFlush(creds, table, mutation("row1", "cf", "cq", "1"));
+    }
+    // 10 updates of "1" in the value w/ SummingCombiner should return value of "10"
+    assertScan(new String[][] {{"row1", "cf", "cq", "10"}}, table);
+
+    try {
+      client.checkIteratorConflicts(creds, table, setting, EnumSet.allOf(IteratorScope.class));
+      fail("checkIteratorConflicts did not throw an exception");
+    } catch (Exception ex) {
+      // Expected
+    }
+    client.deleteRows(creds, table, null, null);
+    client.removeIterator(creds, table, "test", EnumSet.allOf(IteratorScope.class));
+    String expected[][] = new String[10][];
+    for (int i = 0; i < 10; i++) {
+      client.updateAndFlush(creds, table, mutation("row" + i, "cf", "cq", "" + i));
+      expected[i] = new String[] {"row" + i, "cf", "cq", "" + i};
+      client.flushTable(creds, table, null, null, true);
+    }
+    assertScan(expected, table);
+  }
+
+  @Test
+  public void cloneTable() throws Exception {
+    String TABLE_TEST2 = getUniqueNames(2)[1];
+
+    String expected[][] = new String[10][];
+    for (int i = 0; i < 10; i++) {
+      client.updateAndFlush(creds, table, mutation("row" + i, "cf", "cq", "" + i));
+      expected[i] = new String[] {"row" + i, "cf", "cq", "" + i};
+      client.flushTable(creds, table, null, null, true);
+    }
+    assertScan(expected, table);
+
+    // clone
+    client.cloneTable(creds, table, TABLE_TEST2, true, null, null);
+    assertScan(expected, TABLE_TEST2);
+    client.deleteTable(creds, TABLE_TEST2);
+  }
+
+  @Test
+  public void clearLocatorCache() throws Exception {
+    // don't know how to test this, call it just for fun
+    client.clearLocatorCache(creds, table);
+  }
+
+  @Test
+  public void compactTable() throws Exception {
+    String expected[][] = new String[10][];
+    for (int i = 0; i < 10; i++) {
+      client.updateAndFlush(creds, table, mutation("row" + i, "cf", "cq", "" + i));
+      expected[i] = new String[] {"row" + i, "cf", "cq", "" + i};
+      client.flushTable(creds, table, null, null, true);
+    }
+    assertScan(expected, table);
+
+    // compact
+    client.compactTable(creds, table, null, null, null, true, true, null);
+    assertEquals(1, countFiles(table));
+    assertScan(expected, table);
+  }
+
+  @Test
+  public void diskUsage() throws Exception {
+    String TABLE_TEST2 = getUniqueNames(2)[1];
+
+    // Write some data
+    String expected[][] = new String[10][];
+    for (int i = 0; i < 10; i++) {
+      client.updateAndFlush(creds, table, mutation("row" + i, "cf", "cq", "" + i));
+      expected[i] = new String[] {"row" + i, "cf", "cq", "" + i};
+      client.flushTable(creds, table, null, null, true);
+    }
+    assertScan(expected, table);
+
+    // compact
+    client.compactTable(creds, table, null, null, null, true, true, null);
+    assertEquals(1, countFiles(table));
+    assertScan(expected, table);
+
+    // Clone the table
+    client.cloneTable(creds, table, TABLE_TEST2, true, null, null);
+    Set<String> tablesToScan = new HashSet<String>();
+    tablesToScan.add(table);
+    tablesToScan.add(TABLE_TEST2);
+    tablesToScan.add("foo");
+
+    client.createTable(creds, "foo", true, TimeType.MILLIS);
+
+    // get disk usage
+    List<DiskUsage> diskUsage = (client.getDiskUsage(creds, tablesToScan));
+    assertEquals(2, diskUsage.size());
+    // The original table and the clone are lumped together (they share the same files)
+    assertEquals(2, diskUsage.get(0).getTables().size());
+    // The empty table we created
+    assertEquals(1, diskUsage.get(1).getTables().size());
+
+    // Compact the clone so it writes its own files instead of referring to the original
+    client.compactTable(creds, TABLE_TEST2, null, null, null, true, true, null);
+
+    diskUsage = (client.getDiskUsage(creds, tablesToScan));
+    assertEquals(3, diskUsage.size());
+    // The original
+    assertEquals(1, diskUsage.get(0).getTables().size());
+    // The clone w/ its own files now
+    assertEquals(1, diskUsage.get(1).getTables().size());
+    // The empty table
+    assertEquals(1, diskUsage.get(2).getTables().size());
+    client.deleteTable(creds, "foo");
+    client.deleteTable(creds, TABLE_TEST2);
+  }
+
+  @Test
+  public void importExportTable() throws Exception {
+    // Write some data
+    String expected[][] = new String[10][];
+    for (int i = 0; i < 10; i++) {
+      client.updateAndFlush(creds, table, mutation("row" + i, "cf", "cq", "" + i));
+      expected[i] = new String[] {"row" + i, "cf", "cq", "" + i};
+      client.flushTable(creds, table, null, null, true);
+    }
+    assertScan(expected, table);
+
+    // export/import
+    MiniAccumuloClusterImpl cluster = SharedMiniClusterIT.getCluster();
+    FileSystem fs = cluster.getFileSystem();
+    Path base = cluster.getTemporaryPath();
+    Path dir = new Path(base, "test");
+    assertTrue(fs.mkdirs(dir));
+    Path destDir = new Path(base, "test_dest");
+    assertTrue(fs.mkdirs(destDir));
+    client.offlineTable(creds, table, false);
+    client.exportTable(creds, table, dir.toString());
+    // copy files to a new location
+    FSDataInputStream is = fs.open(new Path(dir, "distcp.txt"));
+    try (BufferedReader r = new BufferedReader(new InputStreamReader(is))) {
+      while (true) {
+        String line = r.readLine();
+        if (line == null)
+          break;
+        Path srcPath = new Path(line);
+        FileUtil.copy(fs, srcPath, fs, destDir, false, fs.getConf());
+      }
+    }
+    client.deleteTable(creds, table);
+    client.importTable(creds, "testify", destDir.toString());
+    assertScan(expected, "testify");
+    client.deleteTable(creds, "testify");
+
+    try {
+      // ACCUMULO-1558 a second import from the same dir should fail, the first import moved the files
+      client.importTable(creds, "testify2", destDir.toString());
+      fail();
+    } catch (Exception e) {}
+
+    assertFalse(client.listTables(creds).contains("testify2"));
+  }
+
+  @Test
+  public void localityGroups() throws Exception {
+    Map<String,Set<String>> groups = new HashMap<String,Set<String>>();
+    groups.put("group1", Collections.singleton("cf1"));
+    groups.put("group2", Collections.singleton("cf2"));
+    client.setLocalityGroups(creds, table, groups);
+    assertEquals(groups, client.getLocalityGroups(creds, table));
+  }
+
+  @Test
+  public void tableProperties() throws Exception {
+    Map<String,String> systemProps = client.getSystemConfiguration(creds);
+    String systemTableSplitThreshold = systemProps.get("table.split.threshold");
+
+    Map<String,String> orig = client.getTableProperties(creds, table);
+    client.setTableProperty(creds, table, "table.split.threshold", "500M");
+
+    // Get the new table property value
+    Map<String,String> update = client.getTableProperties(creds, table);
+    assertEquals(update.get("table.split.threshold"), "500M");
+
+    // Table level properties shouldn't affect system level values
+    assertEquals(systemTableSplitThreshold, client.getSystemConfiguration(creds).get("table.split.threshold"));
+
+    client.removeTableProperty(creds, table, "table.split.threshold");
+    update = client.getTableProperties(creds, table);
+    assertEquals(orig, update);
+  }
+
+  @Test
+  public void tableRenames() throws Exception {
+    // rename table
+    Map<String,String> tables = client.tableIdMap(creds);
+    client.renameTable(creds, table, "bar");
+    Map<String,String> tables2 = client.tableIdMap(creds);
+    assertEquals(tables.get(table), tables2.get("bar"));
+    // table exists
+    assertTrue(client.tableExists(creds, "bar"));
+    assertFalse(client.tableExists(creds, table));
+    client.renameTable(creds, "bar", table);
+  }
+
+  @Test
+  public void bulkImport() throws Exception {
+    MiniAccumuloClusterImpl cluster = SharedMiniClusterIT.getCluster();
+    FileSystem fs = cluster.getFileSystem();
+    Path base = cluster.getTemporaryPath();
+    Path dir = new Path(base, "test");
+    assertTrue(fs.mkdirs(dir));
+
+    // Write an RFile
+    String filename = dir + "/bulk/import/rfile.rf";
+    FileSKVWriter writer = FileOperations.getInstance().openWriter(filename, fs, fs.getConf(), DefaultConfiguration.getInstance());
+    writer.startDefaultLocalityGroup();
+    writer.append(new org.apache.accumulo.core.data.Key(new Text("a"), new Text("b"), new Text("c")), new Value("value".getBytes()));
+    writer.close();
+
+    // Create failures directory
+    fs.mkdirs(new Path(dir + "/bulk/fail"));
+
+    // Run the bulk import
+    client.importDirectory(creds, table, dir + "/bulk/import", dir + "/bulk/fail", true);
+
+    // Make sure we find the data
+    String scanner = client.createScanner(creds, table, null);
+    ScanResult more = client.nextK(scanner, 100);
+    client.closeScanner(scanner);
+    assertEquals(1, more.results.size());
+    ByteBuffer maxRow = client.getMaxRow(creds, table, null, null, false, null, false);
+    assertEquals(s2bb("a"), maxRow);
+  }
+
+  @Test
+  public void testTableClassLoad() throws Exception {
+    assertFalse(client.testTableClassLoad(creds, table, "abc123", SortedKeyValueIterator.class.getName()));
+    assertTrue(client.testTableClassLoad(creds, table, VersioningIterator.class.getName(), SortedKeyValueIterator.class.getName()));
+  }
+
+  private Condition newCondition(String cf, String cq) {
+    return new Condition(new Column(s2bb(cf), s2bb(cq), s2bb("")));
+  }
+
+  private Condition newCondition(String cf, String cq, String val) {
+    return newCondition(cf, cq).setValue(s2bb(val));
+  }
+
+  private Condition newCondition(String cf, String cq, long ts, String val) {
+    return newCondition(cf, cq).setValue(s2bb(val)).setTimestamp(ts);
+  }
+
+  private ColumnUpdate newColUpdate(String cf, String cq, String val) {
+    return new ColumnUpdate(s2bb(cf), s2bb(cq)).setValue(s2bb(val));
+  }
+
+  private ColumnUpdate newColUpdate(String cf, String cq, long ts, String val) {
+    return new ColumnUpdate(s2bb(cf), s2bb(cq)).setTimestamp(ts).setValue(s2bb(val));
+  }
+
+  private void assertScan(String[][] expected, String table) throws Exception {
+    String scid = client.createScanner(creds, table, new ScanOptions());
+    ScanResult keyValues = client.nextK(scid, expected.length + 1);
+
+    assertEquals("Saw " + keyValues.results, expected.length, keyValues.results.size());
+    assertFalse(keyValues.more);
+
+    for (int i = 0; i < keyValues.results.size(); i++) {
+      checkKey(expected[i][0], expected[i][1], expected[i][2], expected[i][3], keyValues.results.get(i));
+    }
+
+    client.closeScanner(scid);
+  }
+
+  @Test
+  public void testConditionalWriter() throws Exception {
+    log.debug("Adding constraint {} to {}", table, NumericValueConstraint.class.getName());
+    client.addConstraint(creds, table, NumericValueConstraint.class.getName());
+    UtilWaitThread.sleep(ZOOKEEPER_PROPAGATION_TIME);
+
+    while (!client.listConstraints(creds, table).containsKey(NumericValueConstraint.class.getName())) {
+      log.info("Failed to see constraint");
+      Thread.sleep(1000);
+    }
+
+    String cwid = client.createConditionalWriter(creds, table, new ConditionalWriterOptions());
+
+    Map<ByteBuffer,ConditionalUpdates> updates = new HashMap<ByteBuffer,ConditionalUpdates>();
+
+    updates.put(
+        s2bb("00345"),
+        new ConditionalUpdates(Arrays.asList(newCondition("meta", "seq")), Arrays.asList(newColUpdate("meta", "seq", 10, "1"),
+            newColUpdate("data", "img", "73435435"))));
+
+    Map<ByteBuffer,ConditionalStatus> results = client.updateRowsConditionally(cwid, updates);
+
+    assertEquals(1, results.size());
+    assertEquals(ConditionalStatus.ACCEPTED, results.get(s2bb("00345")));
+
+    assertScan(new String[][] { {"00345", "data", "img", "73435435"}, {"00345", "meta", "seq", "1"}}, table);
+
+    // test not setting values on conditions
+    updates.clear();
+
+    updates.put(s2bb("00345"), new ConditionalUpdates(Arrays.asList(newCondition("meta", "seq")), Arrays.asList(newColUpdate("meta", "seq", "2"))));
+    updates.put(s2bb("00346"), new ConditionalUpdates(Arrays.asList(newCondition("meta", "seq")), Arrays.asList(newColUpdate("meta", "seq", "1"))));
+
+    results = client.updateRowsConditionally(cwid, updates);
+
+    assertEquals(2, results.size());
+    assertEquals(ConditionalStatus.REJECTED, results.get(s2bb("00345")));
+    assertEquals(ConditionalStatus.ACCEPTED, results.get(s2bb("00346")));
+
+    assertScan(new String[][] { {"00345", "data", "img", "73435435"}, {"00345", "meta", "seq", "1"}, {"00346", "meta", "seq", "1"}}, table);
+
+    // test setting values on conditions
+    updates.clear();
+
+    updates.put(
+        s2bb("00345"),
+        new ConditionalUpdates(Arrays.asList(newCondition("meta", "seq", "1")), Arrays.asList(newColUpdate("meta", "seq", 20, "2"),
+            newColUpdate("data", "img", "567890"))));
+
+    updates.put(s2bb("00346"), new ConditionalUpdates(Arrays.asList(newCondition("meta", "seq", "2")), Arrays.asList(newColUpdate("meta", "seq", "3"))));
+
+    results = client.updateRowsConditionally(cwid, updates);
+
+    assertEquals(2, results.size());
+    assertEquals(ConditionalStatus.ACCEPTED, results.get(s2bb("00345")));
+    assertEquals(ConditionalStatus.REJECTED, results.get(s2bb("00346")));
+
+    assertScan(new String[][] { {"00345", "data", "img", "567890"}, {"00345", "meta", "seq", "2"}, {"00346", "meta", "seq", "1"}}, table);
+
+    // test setting timestamp on condition to a non-existant version
+    updates.clear();
+
+    updates.put(
+        s2bb("00345"),
+        new ConditionalUpdates(Arrays.asList(newCondition("meta", "seq", 10, "2")), Arrays.asList(newColUpdate("meta", "seq", 30, "3"),
+            newColUpdate("data", "img", "1234567890"))));
+
+    results = client.updateRowsConditionally(cwid, updates);
+
+    assertEquals(1, results.size());
+    assertEquals(ConditionalStatus.REJECTED, results.get(s2bb("00345")));
+
+    assertScan(new String[][] { {"00345", "data", "img", "567890"}, {"00345", "meta", "seq", "2"}, {"00346", "meta", "seq", "1"}}, table);
+
+    // test setting timestamp to an existing version
+
+    updates.clear();
+
+    updates.put(
+        s2bb("00345"),
+        new ConditionalUpdates(Arrays.asList(newCondition("meta", "seq", 20, "2")), Arrays.asList(newColUpdate("meta", "seq", 30, "3"),
+            newColUpdate("data", "img", "1234567890"))));
+
+    results = client.updateRowsConditionally(cwid, updates);
+
+    assertEquals(1, results.size());
+    assertEquals(ConditionalStatus.ACCEPTED, results.get(s2bb("00345")));
+
+    assertScan(new String[][] { {"00345", "data", "img", "1234567890"}, {"00345", "meta", "seq", "3"}, {"00346", "meta", "seq", "1"}}, table);
+
+    // run test w/ condition that has iterators
+    // following should fail w/o iterator
+    client.updateAndFlush(creds, table, Collections.singletonMap(s2bb("00347"), Arrays.asList(newColUpdate("data", "count", "1"))));
+    client.updateAndFlush(creds, table, Collections.singletonMap(s2bb("00347"), Arrays.asList(newColUpdate("data", "count", "1"))));
+    client.updateAndFlush(creds, table, Collections.singletonMap(s2bb("00347"), Arrays.asList(newColUpdate("data", "count", "1"))));
+
+    updates.clear();
+    updates.put(s2bb("00347"),
+        new ConditionalUpdates(Arrays.asList(newCondition("data", "count", "3")), Arrays.asList(newColUpdate("data", "img", "1234567890"))));
+
+    results = client.updateRowsConditionally(cwid, updates);
+
+    assertEquals(1, results.size());
+    assertEquals(ConditionalStatus.REJECTED, results.get(s2bb("00347")));
+
+    assertScan(new String[][] { {"00345", "data", "img", "1234567890"}, {"00345", "meta", "seq", "3"}, {"00346", "meta", "seq", "1"},
+        {"00347", "data", "count", "1"}}, table);
+
+    // following test w/ iterator setup should succeed
+    Condition iterCond = newCondition("data", "count", "3");
+    Map<String,String> props = new HashMap<String,String>();
+    props.put("type", "STRING");
+    props.put("columns", "data:count");
+    IteratorSetting is = new IteratorSetting(1, "sumc", SummingCombiner.class.getName(), props);
+    iterCond.setIterators(Arrays.asList(is));
+
+    updates.clear();
+    updates.put(s2bb("00347"), new ConditionalUpdates(Arrays.asList(iterCond), Arrays.asList(newColUpdate("data", "img", "1234567890"))));
+
+    results = client.updateRowsConditionally(cwid, updates);
+
+    assertEquals(1, results.size());
+    assertEquals(ConditionalStatus.ACCEPTED, results.get(s2bb("00347")));
+
+    assertScan(new String[][] { {"00345", "data", "img", "1234567890"}, {"00345", "meta", "seq", "3"}, {"00346", "meta", "seq", "1"},
+        {"00347", "data", "count", "1"}, {"00347", "data", "img", "1234567890"}}, table);
+
+    ConditionalStatus status = null;
+    for (int i = 0; i < 30; i++) {
+      // test a mutation that violated a constraint
+      updates.clear();
+      updates.put(s2bb("00347"),
+          new ConditionalUpdates(Arrays.asList(newCondition("data", "img", "1234567890")), Arrays.asList(newColUpdate("data", "count", "A"))));
+
+      results = client.updateRowsConditionally(cwid, updates);
+
+      assertEquals(1, results.size());
+      status = results.get(s2bb("00347"));
+      if (ConditionalStatus.VIOLATED != status) {
+        log.info("ConditionalUpdate was not rejected by server due to table constraint. Sleeping and retrying");
+        Thread.sleep(5000);
+        continue;
+      }
+
+      assertEquals(ConditionalStatus.VIOLATED, status);
+      break;
+    }
+
+    // Final check to make sure we succeeded and didn't exceed the retries
+    assertEquals(ConditionalStatus.VIOLATED, status);
+
+    assertScan(new String[][] { {"00345", "data", "img", "1234567890"}, {"00345", "meta", "seq", "3"}, {"00346", "meta", "seq", "1"},
+        {"00347", "data", "count", "1"}, {"00347", "data", "img", "1234567890"}}, table);
+
+    // run test with two conditions
+    // both conditions should fail
+    updates.clear();
+    updates.put(
+        s2bb("00347"),
+        new ConditionalUpdates(Arrays.asList(newCondition("data", "img", "565"), newCondition("data", "count", "2")), Arrays.asList(
+            newColUpdate("data", "count", "3"), newColUpdate("data", "img", "0987654321"))));
+
+    results = client.updateRowsConditionally(cwid, updates);
+
+    assertEquals(1, results.size());
+    assertEquals(ConditionalStatus.REJECTED, results.get(s2bb("00347")));
+
+    assertScan(new String[][] { {"00345", "data", "img", "1234567890"}, {"00345", "meta", "seq", "3"}, {"00346", "meta", "seq", "1"},
+        {"00347", "data", "count", "1"}, {"00347", "data", "img", "1234567890"}}, table);
+
+    // one condition should fail
+    updates.clear();
+    updates.put(
+        s2bb("00347"),
+        new ConditionalUpdates(Arrays.asList(newCondition("data", "img", "1234567890"), newCondition("data", "count", "2")), Arrays.asList(
+            newColUpdate("data", "count", "3"), newColUpdate("data", "img", "0987654321"))));
+
+    results = client.updateRowsConditionally(cwid, updates);
+
+    assertEquals(1, results.size());
+    assertEquals(ConditionalStatus.REJECTED, results.get(s2bb("00347")));
+
+    assertScan(new String[][] { {"00345", "data", "img", "1234567890"}, {"00345", "meta", "seq", "3"}, {"00346", "meta", "seq", "1"},
+        {"00347", "data", "count", "1"}, {"00347", "data", "img", "1234567890"}}, table);
+
+    // one condition should fail
+    updates.clear();
+    updates.put(
+        s2bb("00347"),
+        new ConditionalUpdates(Arrays.asList(newCondition("data", "img", "565"), newCondition("data", "count", "1")), Arrays.asList(
+            newColUpdate("data", "count", "3"), newColUpdate("data", "img", "0987654321"))));
+
+    results = client.updateRowsConditionally(cwid, updates);
+
+    assertEquals(1, results.size());
+    assertEquals(ConditionalStatus.REJECTED, results.get(s2bb("00347")));
+
+    assertScan(new String[][] { {"00345", "data", "img", "1234567890"}, {"00345", "meta", "seq", "3"}, {"00346", "meta", "seq", "1"},
+        {"00347", "data", "count", "1"}, {"00347", "data", "img", "1234567890"}}, table);
+
+    // both conditions should succeed
+
+    ConditionalStatus result = client.updateRowConditionally(
+        creds,
+        table,
+        s2bb("00347"),
+        new ConditionalUpdates(Arrays.asList(newCondition("data", "img", "1234567890"), newCondition("data", "count", "1")), Arrays.asList(
+            newColUpdate("data", "count", "3"), newColUpdate("data", "img", "0987654321"))));
+
+    assertEquals(ConditionalStatus.ACCEPTED, result);
+
+    assertScan(new String[][] { {"00345", "data", "img", "1234567890"}, {"00345", "meta", "seq", "3"}, {"00346", "meta", "seq", "1"},
+        {"00347", "data", "count", "3"}, {"00347", "data", "img", "0987654321"}}, table);
+
+    client.closeConditionalWriter(cwid);
+    try {
+      client.updateRowsConditionally(cwid, updates);
+      fail("conditional writer not closed");
+    } catch (UnknownWriter uk) {}
+
+    String principal;
+    ClusterUser cwuser = null;
+    if (isKerberosEnabled()) {
+      cwuser = getKdc().getClientPrincipal(1);
+      principal = cwuser.getPrincipal();
+      client.createLocalUser(creds, principal, s2bb("unused"));
+
+    } else {
+      principal = "cwuser";
+      // run test with colvis
+      client.createLocalUser(creds, principal, s2bb("bestpasswordever"));
+    }
+
+    client.changeUserAuthorizations(creds, principal, Collections.singleton(s2bb("A")));
+    client.grantTablePermission(creds, principal, table, TablePermission.WRITE);
+    client.grantTablePermission(creds, principal, table, TablePermission.READ);
+
+    TestProxyClient cwuserProxyClient = null;
+    Client origClient = null;
+    Map<String,String> cwProperties;
+    if (isKerberosEnabled()) {
+      UserGroupInformation.loginUserFromKeytab(cwuser.getPrincipal(), cwuser.getKeytab().getAbsolutePath());
+      final UserGroupInformation cwuserUgi = UserGroupInformation.getCurrentUser();
+      // Re-login in and make a new connection. Can't use the previous one
+      cwuserProxyClient = new TestProxyClient(hostname, proxyPort, factory, proxyPrimary, cwuserUgi);
+      origClient = client;
+      client = cwuserProxyClient.proxy();
+      cwProperties = Collections.emptyMap();
+    } else {
+      cwProperties = Collections.singletonMap("password", "bestpasswordever");
+    }
+
+    try {
+      ByteBuffer cwCreds = client.login(principal, cwProperties);
+
+      cwid = client.createConditionalWriter(cwCreds, table, new ConditionalWriterOptions().setAuthorizations(Collections.singleton(s2bb("A"))));
+
+      updates.clear();
+      updates.put(
+          s2bb("00348"),
+          new ConditionalUpdates(Arrays.asList(new Condition(new Column(s2bb("data"), s2bb("c"), s2bb("A")))), Arrays.asList(newColUpdate("data", "seq", "1"),
+              newColUpdate("data", "c", "1").setColVisibility(s2bb("A")))));
+      updates
+          .put(
+              s2bb("00349"),
+              new ConditionalUpdates(Arrays.asList(new Condition(new Column(s2bb("data"), s2bb("c"), s2bb("B")))), Arrays.asList(newColUpdate("data", "seq",
+                  "1"))));
+
+      results = client.updateRowsConditionally(cwid, updates);
+
+      assertEquals(2, results.size());
+      assertEquals(ConditionalStatus.ACCEPTED, results.get(s2bb("00348")));
+      assertEquals(ConditionalStatus.INVISIBLE_VISIBILITY, results.get(s2bb("00349")));
+
+      if (isKerberosEnabled()) {
+        UserGroupInformation.loginUserFromKeytab(clientPrincipal, clientKeytab.getAbsolutePath());
+        client = origClient;
+      }
+      // Verify that the original user can't see the updates with visibilities set
+      assertScan(new String[][] { {"00345", "data", "img", "1234567890"}, {"00345", "meta", "seq", "3"}, {"00346", "meta", "seq", "1"},
+          {"00347", "data", "count", "3"}, {"00347", "data", "img", "0987654321"}, {"00348", "data", "seq", "1"}}, table);
+
+      if (isKerberosEnabled()) {
+        UserGroupInformation.loginUserFromKeytab(cwuser.getPrincipal(), cwuser.getKeytab().getAbsolutePath());
+        client = cwuserProxyClient.proxy();
+      }
+
+      updates.clear();
+
+      updates.clear();
+      updates.put(s2bb("00348"), new ConditionalUpdates(Arrays.asList(new Condition(new Column(s2bb("data"), s2bb("c"), s2bb("A"))).setValue(s2bb("0"))),
+          Arrays.asList(newColUpdate("data", "seq", "2"), newColUpdate("data", "c", "2").setColVisibility(s2bb("A")))));
+
+      results = client.updateRowsConditionally(cwid, updates);
+
+      assertEquals(1, results.size());
+      assertEquals(ConditionalStatus.REJECTED, results.get(s2bb("00348")));
+
+      if (isKerberosEnabled()) {
+        UserGroupInformation.loginUserFromKeytab(clientPrincipal, clientKeytab.getAbsolutePath());
+        client = origClient;
+      }
+
+      // Same results as the original user
+      assertScan(new String[][] { {"00345", "data", "img", "1234567890"}, {"00345", "meta", "seq", "3"}, {"00346", "meta", "seq", "1"},
+          {"00347", "data", "count", "3"}, {"00347", "data", "img", "0987654321"}, {"00348", "data", "seq", "1"}}, table);
+
+      if (isKerberosEnabled()) {
+        UserGroupInformation.loginUserFromKeytab(cwuser.getPrincipal(), cwuser.getKeytab().getAbsolutePath());
+        client = cwuserProxyClient.proxy();
+      }
+
+      updates.clear();
+      updates.put(s2bb("00348"), new ConditionalUpdates(Arrays.asList(new Condition(new Column(s2bb("data"), s2bb("c"), s2bb("A"))).setValue(s2bb("1"))),
+          Arrays.asList(newColUpdate("data", "seq", "2"), newColUpdate("data", "c", "2").setColVisibility(s2bb("A")))));
+
+      results = client.updateRowsConditionally(cwid, updates);
+
+      assertEquals(1, results.size());
+      assertEquals(ConditionalStatus.ACCEPTED, results.get(s2bb("00348")));
+
+      if (isKerberosEnabled()) {
+        UserGroupInformation.loginUserFromKeytab(clientPrincipal, clientKeytab.getAbsolutePath());
+        client = origClient;
+      }
+
+      assertScan(new String[][] { {"00345", "data", "img", "1234567890"}, {"00345", "meta", "seq", "3"}, {"00346", "meta", "seq", "1"},
+          {"00347", "data", "count", "3"}, {"00347", "data", "img", "0987654321"}, {"00348", "data", "seq", "2"}}, table);
+
+      if (isKerberosEnabled()) {
+        UserGroupInformation.loginUserFromKeytab(cwuser.getPrincipal(), cwuser.getKeytab().getAbsolutePath());
+        client = cwuserProxyClient.proxy();
+      }
+
+      client.closeConditionalWriter(cwid);
+      try {
+        client.updateRowsConditionally(cwid, u

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