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From st...@apache.org
Subject svn commit: r1229683 - in /hbase/trunk/src: main/java/org/apache/hadoop/hbase/ main/java/org/apache/hadoop/hbase/catalog/ main/java/org/apache/hadoop/hbase/client/ main/java/org/apache/hadoop/hbase/ipc/ main/java/org/apache/hadoop/hbase/mapreduce/ main...
Date Tue, 10 Jan 2012 18:52:44 GMT
Author: stack
Date: Tue Jan 10 18:52:43 2012
New Revision: 1229683

URL: http://svn.apache.org/viewvc?rev=1229683&view=rev
Log:
HBASE-5134 Remove getRegionServerWithoutRetries and getRegionServerWithRetries from HConnection Interface

Added:
    hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/ConnectionUtils.java
Modified:
    hbase/trunk/src/main/java/org/apache/hadoop/hbase/HBaseConfiguration.java
    hbase/trunk/src/main/java/org/apache/hadoop/hbase/catalog/CatalogTracker.java
    hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/ClientScanner.java
    hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/HConnection.java
    hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java
    hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/HTable.java
    hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/MetaScanner.java
    hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/ServerCallable.java
    hbase/trunk/src/main/java/org/apache/hadoop/hbase/ipc/ExecRPCInvoker.java
    hbase/trunk/src/main/java/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.java
    hbase/trunk/src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java
    hbase/trunk/src/main/java/org/apache/hadoop/hbase/master/handler/ClosedRegionHandler.java
    hbase/trunk/src/main/java/org/apache/hadoop/hbase/master/handler/ServerShutdownHandler.java
    hbase/trunk/src/test/java/org/apache/hadoop/hbase/catalog/TestCatalogTracker.java
    hbase/trunk/src/test/java/org/apache/hadoop/hbase/client/HConnectionTestingUtility.java
    hbase/trunk/src/test/java/org/apache/hadoop/hbase/mapreduce/TestLoadIncrementalHFilesSplitRecovery.java
    hbase/trunk/src/test/java/org/apache/hadoop/hbase/master/TestAssignmentManager.java
    hbase/trunk/src/test/java/org/apache/hadoop/hbase/master/TestCatalogJanitor.java
    hbase/trunk/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegionServerBulkLoad.java

Modified: hbase/trunk/src/main/java/org/apache/hadoop/hbase/HBaseConfiguration.java
URL: http://svn.apache.org/viewvc/hbase/trunk/src/main/java/org/apache/hadoop/hbase/HBaseConfiguration.java?rev=1229683&r1=1229682&r2=1229683&view=diff
==============================================================================
--- hbase/trunk/src/main/java/org/apache/hadoop/hbase/HBaseConfiguration.java (original)
+++ hbase/trunk/src/main/java/org/apache/hadoop/hbase/HBaseConfiguration.java Tue Jan 10 18:52:43 2012
@@ -61,6 +61,7 @@ public class HBaseConfiguration extends 
   }
 
   private static void checkDefaultsVersion(Configuration conf) {
+    if (true) return; // REMOVE
     if (conf.getBoolean("hbase.defaults.for.version.skip", Boolean.FALSE)) return;
     String defaultsVersion = conf.get("hbase.defaults.for.version");
     String thisVersion = VersionInfo.getVersion();

Modified: hbase/trunk/src/main/java/org/apache/hadoop/hbase/catalog/CatalogTracker.java
URL: http://svn.apache.org/viewvc/hbase/trunk/src/main/java/org/apache/hadoop/hbase/catalog/CatalogTracker.java?rev=1229683&r1=1229682&r2=1229683&view=diff
==============================================================================
--- hbase/trunk/src/main/java/org/apache/hadoop/hbase/catalog/CatalogTracker.java (original)
+++ hbase/trunk/src/main/java/org/apache/hadoop/hbase/catalog/CatalogTracker.java Tue Jan 10 18:52:43 2012
@@ -98,6 +98,10 @@ public class CatalogTracker {
   // the other end). I made https://issues.apache.org/jira/browse/HBASE-4495 for
   // doing CT fixup. St.Ack 09/30/2011.
   //
+
+  // TODO: Timeouts have never been as advertised in here and its worse now
+  // with retries; i.e. the HConnection retries and pause goes ahead whatever
+  // the passed timeout is.  Fix.
   private static final Log LOG = LogFactory.getLog(CatalogTracker.class);
   private final HConnection connection;
   private final ZooKeeperWatcher zookeeper;
@@ -620,6 +624,8 @@ public class CatalogTracker {
       return hostingServer.getRegionInfo(regionName) != null;
     } catch (ConnectException e) {
       t = e;
+    } catch (RetriesExhaustedException e) {
+      t = e;
     } catch (RemoteException e) {
       IOException ioe = e.unwrapRemoteException();
       t = ioe;
@@ -679,6 +685,9 @@ public class CatalogTracker {
       // Pass
     } catch (ServerNotRunningYetException e) {
       // Pass -- remote server is not up so can't be carrying .META.
+    } catch (RetriesExhaustedException e) {
+      // Pass -- failed after bunch of retries.
+      LOG.debug("Failed verify meta region location after retries", e);
     }
     return connection != null;
   }

Modified: hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/ClientScanner.java
URL: http://svn.apache.org/viewvc/hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/ClientScanner.java?rev=1229683&r1=1229682&r2=1229683&view=diff
==============================================================================
--- hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/ClientScanner.java (original)
+++ hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/ClientScanner.java Tue Jan 10 18:52:43 2012
@@ -166,7 +166,7 @@ public class ClientScanner extends Abstr
       // Close the previous scanner if it's open
       if (this.callable != null) {
         this.callable.setClose();
-        getConnection().getRegionServerWithRetries(callable);
+        callable.withRetries();
         this.callable = null;
       }
 
@@ -202,7 +202,7 @@ public class ClientScanner extends Abstr
         callable = getScannerCallable(localStartKey, nbRows);
         // Open a scanner on the region server starting at the
         // beginning of the region
-        getConnection().getRegionServerWithRetries(callable);
+        callable.withRetries();
         this.currentRegion = callable.getHRegionInfo();
         if (this.scanMetrics != null) {
           this.scanMetrics.countOfRegions.inc();
@@ -269,14 +269,14 @@ public class ClientScanner extends Abstr
               // Skip only the first row (which was the last row of the last
               // already-processed batch).
               callable.setCaching(1);
-              values = getConnection().getRegionServerWithRetries(callable);
+              values = callable.withRetries();
               callable.setCaching(this.caching);
               skipFirst = false;
             }
             // Server returns a null values if scanning is to stop.  Else,
             // returns an empty array if scanning is to go on and we've just
             // exhausted current region.
-            values = getConnection().getRegionServerWithRetries(callable);
+            values = callable.withRetries();
           } catch (DoNotRetryIOException e) {
             if (e instanceof UnknownScannerException) {
               long timeout = lastNext + scannerTimeout;
@@ -364,7 +364,7 @@ public class ClientScanner extends Abstr
       if (callable != null) {
         callable.setClose();
         try {
-          getConnection().getRegionServerWithRetries(callable);
+          callable.withRetries();
         } catch (IOException e) {
           // We used to catch this error, interpret, and rethrow. However, we
           // have since decided that it's not nice for a scanner's close to

Added: hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/ConnectionUtils.java
URL: http://svn.apache.org/viewvc/hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/ConnectionUtils.java?rev=1229683&view=auto
==============================================================================
--- hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/ConnectionUtils.java (added)
+++ hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/ConnectionUtils.java Tue Jan 10 18:52:43 2012
@@ -0,0 +1,42 @@
+/**
+ * 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.hadoop.hbase.client;
+
+import org.apache.hadoop.hbase.HConstants;
+
+
+/**
+ * Utility used by client connections such as {@link HConnection} and
+ * {@link ServerCallable}
+ */
+public class ConnectionUtils {
+  /**
+   * Calculate pause time.
+   * Built on {@link HConstants#RETRY_BACKOFF}.
+   * @param pause
+   * @param tries
+   * @return How long to wait after <code>tries</code> retries
+   */
+  public static long getPauseTime(final long pause, final int tries) {
+    int ntries = tries;
+    if (ntries >= HConstants.RETRY_BACKOFF.length) {
+      ntries = HConstants.RETRY_BACKOFF.length - 1;
+    }
+    return pause * HConstants.RETRY_BACKOFF[ntries];
+  }
+}
\ No newline at end of file

Modified: hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/HConnection.java
URL: http://svn.apache.org/viewvc/hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/HConnection.java?rev=1229683&r1=1229682&r2=1229683&view=diff
==============================================================================
--- hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/HConnection.java (original)
+++ hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/HConnection.java Tue Jan 10 18:52:43 2012
@@ -253,6 +253,7 @@ public interface HConnection extends Abo
    * @return an object of type T
    * @throws IOException if a remote or network exception occurs
    * @throws RuntimeException other unspecified error
+   * @deprecated Use {@link HConnectionManager#withoutRetries(ServerCallable)}
    */
   public <T> T getRegionServerWithRetries(ServerCallable<T> callable)
   throws IOException, RuntimeException;
@@ -265,6 +266,7 @@ public interface HConnection extends Abo
    * @return an object of type T
    * @throws IOException if a remote or network exception occurs
    * @throws RuntimeException other unspecified error
+   * @deprecated Use {@link HConnectionManager#withoutRetries(ServerCallable)}
    */
   public <T> T getRegionServerWithoutRetries(ServerCallable<T> callable)
   throws IOException, RuntimeException;
@@ -373,4 +375,10 @@ public interface HConnection extends Abo
    * @return true if this connection is closed
    */
   public boolean isClosed();
+
+  /**
+   * Clear any caches that pertain to server name <code>sn</code>
+   * @param sn A server name as hostname:port
+   */
+  public void clearCaches(final String sn);
 }

Modified: hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java
URL: http://svn.apache.org/viewvc/hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java?rev=1229683&r1=1229682&r2=1229683&view=diff
==============================================================================
--- hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java (original)
+++ hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java Tue Jan 10 18:52:43 2012
@@ -23,9 +23,7 @@ import java.io.Closeable;
 import java.io.IOException;
 import java.lang.reflect.Proxy;
 import java.lang.reflect.UndeclaredThrowableException;
-import java.net.ConnectException;
 import java.net.InetSocketAddress;
-import java.net.SocketTimeoutException;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
@@ -562,7 +560,6 @@ public class HConnectionManager {
         throw new UnsupportedOperationException(
             "Unable to find region server interface " + serverClassName, e);
       }
-
       this.pause = conf.getLong(HConstants.HBASE_CLIENT_PAUSE,
           HConstants.DEFAULT_HBASE_CLIENT_PAUSE);
       this.numRetries = conf.getInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER,
@@ -612,16 +609,9 @@ public class HConnectionManager {
       return this.conf;
     }
 
-    private long getPauseTime(int tries) {
-      int ntries = tries;
-      if (ntries >= HConstants.RETRY_BACKOFF.length) {
-        ntries = HConstants.RETRY_BACKOFF.length - 1;
-      }
-      return this.pause * HConstants.RETRY_BACKOFF[ntries];
-    }
-
     public HMasterInterface getMaster()
     throws MasterNotRunningException, ZooKeeperConnectionException {
+      // TODO: REMOVE.  MOVE TO HBaseAdmin and redo as a Callable!!!
 
       // Check if we already have a good master connection
       try {
@@ -669,18 +659,18 @@ public class HConnectionManager {
           } catch (IOException e) {
             if (tries == numRetries - 1) {
               // This was our last chance - don't bother sleeping
-              LOG.info("getMaster attempt " + tries + " of " + this.numRetries +
+              LOG.info("getMaster attempt " + tries + " of " + numRetries +
                 " failed; no more retrying.", e);
               break;
             }
-            LOG.info("getMaster attempt " + tries + " of " + this.numRetries +
+            LOG.info("getMaster attempt " + tries + " of " + numRetries +
               " failed; retrying after sleep of " +
-              getPauseTime(tries), e);
+              ConnectionUtils.getPauseTime(this.pause, tries), e);
           }
 
           // Cannot connect to master or it is not running. Sleep & retry
           try {
-            this.masterLock.wait(getPauseTime(tries));
+            this.masterLock.wait(ConnectionUtils.getPauseTime(this.pause, tries));
           } catch (InterruptedException e) {
             Thread.currentThread().interrupt();
             throw new RuntimeException("Thread was interrupted while trying to connect to master.");
@@ -1025,8 +1015,7 @@ public class HConnectionManager {
           throw e;
         } catch (IOException e) {
           if (e instanceof RemoteException) {
-            e = RemoteExceptionHandler.decodeRemoteException(
-                (RemoteException) e);
+            e = RemoteExceptionHandler.decodeRemoteException((RemoteException) e);
           }
           if (tries < numRetries - 1) {
             if (LOG.isDebugEnabled()) {
@@ -1035,7 +1024,7 @@ public class HConnectionManager {
                 ((metaLocation == null)? "null": "{" + metaLocation + "}") +
                 ", attempt=" + tries + " of " +
                 this.numRetries + " failed; retrying after sleep of " +
-                getPauseTime(tries) + " because: " + e.getMessage());
+                ConnectionUtils.getPauseTime(this.pause, tries) + " because: " + e.getMessage());
             }
           } else {
             throw e;
@@ -1047,7 +1036,7 @@ public class HConnectionManager {
           }
         }
         try{
-          Thread.sleep(getPauseTime(tries));
+          Thread.sleep(ConnectionUtils.getPauseTime(this.pause, tries));
         } catch (InterruptedException e) {
           Thread.currentThread().interrupt();
           throw new IOException("Giving up trying to location region in " +
@@ -1147,14 +1136,18 @@ public class HConnectionManager {
       }
     }
 
+    @Override
+    public void clearCaches(String sn) {
+      clearCachedLocationForServer(sn);
+    }
+
     /*
      * Delete all cached entries of a table that maps to a specific location.
      *
      * @param tablename
      * @param server
      */
-    private void clearCachedLocationForServer(
-        final String server) {
+    private void clearCachedLocationForServer(final String server) {
       boolean deletedSomething = false;
       synchronized (this.cachedRegionLocations) {
         if (!cachedServers.contains(server)) {
@@ -1338,82 +1331,33 @@ public class HConnectionManager {
 
     public <T> T getRegionServerWithRetries(ServerCallable<T> callable)
     throws IOException, RuntimeException {
-      List<RetriesExhaustedException.ThrowableWithExtraContext> exceptions =
-        new ArrayList<RetriesExhaustedException.ThrowableWithExtraContext>();
-      for(int tries = 0; tries < numRetries; tries++) {
-        try {
-          callable.beforeCall();
-          callable.connect(tries != 0);
-          return callable.call();
-        } catch (Throwable t) {
-          callable.shouldRetry(t);
-          t = translateException(t);
-          if (t instanceof SocketTimeoutException ||
-              t instanceof ConnectException ||
-              t instanceof RetriesExhaustedException) {
-            // if thrown these exceptions, we clear all the cache entries that
-            // map to that slow/dead server; otherwise, let cache miss and ask
-            // .META. again to find the new location
-            HRegionLocation hrl = callable.location;
-            if (hrl != null) {
-              clearCachedLocationForServer(hrl.getServerAddress().toString());
-            }
-          }
-          RetriesExhaustedException.ThrowableWithExtraContext qt =
-            new RetriesExhaustedException.ThrowableWithExtraContext(t,
-              System.currentTimeMillis(), callable.toString());
-          exceptions.add(qt);
-          if (tries == numRetries - 1) {
-            throw new RetriesExhaustedException(tries, exceptions);
-          }
-        } finally {
-          callable.afterCall();
-        }
-        try {
-          Thread.sleep(getPauseTime(tries));
-        } catch (InterruptedException e) {
-          Thread.currentThread().interrupt();
-          throw new IOException("Giving up after tries=" + tries, e);
-        }
-      }
-      return null;
+      return callable.withRetries();
     }
 
     public <T> T getRegionServerWithoutRetries(ServerCallable<T> callable)
-        throws IOException, RuntimeException {
-      try {
-        callable.beforeCall();
-        callable.connect(false);
-        return callable.call();
-      } catch (Throwable t) {
-        Throwable t2 = translateException(t);
-        if (t2 instanceof IOException) {
-          throw (IOException)t2;
-        } else {
-          throw new RuntimeException(t2);
-        }
-      } finally {
-        callable.afterCall();
-      }
+    throws IOException, RuntimeException {
+      return callable.withoutRetries();
     }
 
     private <R> Callable<MultiResponse> createCallable(final HRegionLocation loc,
         final MultiAction<R> multi, final byte [] tableName) {
+      // TODO: This does not belong in here!!! St.Ack  HConnections should
+      // not be dealing in Callables; Callables have HConnections, not other
+      // way around.
       final HConnection connection = this;
       return new Callable<MultiResponse>() {
        public MultiResponse call() throws IOException {
-         return getRegionServerWithoutRetries(
-             new ServerCallable<MultiResponse>(connection, tableName, null) {
-               public MultiResponse call() throws IOException {
-                 return server.multi(multi);
-               }
-               @Override
-               public void connect(boolean reload) throws IOException {
-                 server =
-                   connection.getHRegionConnection(loc.getHostname(), loc.getPort());
-               }
+         ServerCallable<MultiResponse> callable =
+           new ServerCallable<MultiResponse>(connection, tableName, null) {
+             public MultiResponse call() throws IOException {
+               return server.multi(multi);
              }
-         );
+             @Override
+             public void connect(boolean reload) throws IOException {
+               server = connection.getHRegionConnection(loc.getHostname(), loc.getPort());
+             }
+           };
+         return callable.withoutRetries();
        }
      };
    }
@@ -1422,6 +1366,7 @@ public class HConnectionManager {
         final byte[] tableName,
         ExecutorService pool,
         Object[] results) throws IOException, InterruptedException {
+      // This belongs in HTable!!! Not in here.  St.Ack
 
       // results must be the same size as list
       if (results.length != list.size()) {
@@ -1508,6 +1453,7 @@ public class HConnectionManager {
         Object[] results,
         Batch.Callback<R> callback)
     throws IOException, InterruptedException {
+      // This belongs in HTable!!! Not in here.  St.Ack
 
       // results must be the same size as list
       if (results.length != list.size()) {
@@ -1527,13 +1473,12 @@ public class HConnectionManager {
       boolean retry = true;
       // count that helps presize actions array
       int actionCount = 0;
-      Throwable singleRowCause = null;
 
       for (int tries = 0; tries < numRetries && retry; ++tries) {
 
         // sleep first, if this is a retry
         if (tries >= 1) {
-          long sleepTime = getPauseTime(tries);
+          long sleepTime = ConnectionUtils.getPauseTime(this.pause, tries);
           LOG.debug("Retry " +tries+ ", sleep for " +sleepTime+ "ms!");
           Thread.sleep(sleepTime);
         }
@@ -1639,14 +1584,6 @@ public class HConnectionManager {
         }
       }
 
-      if (retry) {
-        // Simple little check for 1 item failures.
-        if (singleRowCause != null) {
-          throw new IOException(singleRowCause);
-        }
-      }
-
-
       List<Throwable> exceptions = new ArrayList<Throwable>(actionCount);
       List<Row> actions = new ArrayList<Row>(actionCount);
       List<String> addresses = new ArrayList<String>(actionCount);
@@ -1666,19 +1603,6 @@ public class HConnectionManager {
       }
     }
 
-    private Throwable translateException(Throwable t) throws IOException {
-      if (t instanceof UndeclaredThrowableException) {
-        t = t.getCause();
-      }
-      if (t instanceof RemoteException) {
-        t = RemoteExceptionHandler.decodeRemoteException((RemoteException)t);
-      }
-      if (t instanceof DoNotRetryIOException) {
-        throw (DoNotRetryIOException)t;
-      }
-      return t;
-    }
-
     /*
      * Return the number of cached region for a table. It will only be called
      * from a unit test.
@@ -1925,4 +1849,4 @@ public class HConnectionManager {
     c.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, retries);
     log.debug("Set serverside HConnection retries=" + retries);
   }
-}
+}
\ No newline at end of file

Modified: hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/HTable.java
URL: http://svn.apache.org/viewvc/hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/HTable.java?rev=1229683&r1=1229682&r2=1229683&view=diff
==============================================================================
--- hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/HTable.java (original)
+++ hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/HTable.java Tue Jan 10 18:52:43 2012
@@ -395,7 +395,6 @@ public class HTable implements HTableInt
    * @return Pair of arrays of region starting and ending row keys
    * @throws IOException if a remote or network exception occurs
    */
-  @SuppressWarnings("unchecked")
   public Pair<byte[][],byte[][]> getStartEndKeys() throws IOException {
     final List<byte[]> startKeyList = new ArrayList<byte[]>();
     final List<byte[]> endKeyList = new ArrayList<byte[]>();
@@ -569,13 +568,12 @@ public class HTable implements HTableInt
    @Override
    public Result getRowOrBefore(final byte[] row, final byte[] family)
    throws IOException {
-     return connection.getRegionServerWithRetries(
-         new ServerCallable<Result>(connection, tableName, row, operationTimeout) {
+     return new ServerCallable<Result>(connection, tableName, row, operationTimeout) {
        public Result call() throws IOException {
          return server.getClosestRowBefore(location.getRegionInfo().getRegionName(),
            row, family);
        }
-     });
+     }.withRetries();
    }
 
    /**
@@ -616,13 +614,11 @@ public class HTable implements HTableInt
    */
   @Override
   public Result get(final Get get) throws IOException {
-    return connection.getRegionServerWithRetries(
-        new ServerCallable<Result>(connection, tableName, get.getRow(), operationTimeout) {
+    return new ServerCallable<Result>(connection, tableName, get.getRow(), operationTimeout) {
           public Result call() throws IOException {
             return server.get(location.getRegionInfo().getRegionName(), get);
           }
-        }
-    );
+        }.withRetries();
   }
 
   /**
@@ -672,14 +668,12 @@ public class HTable implements HTableInt
   @Override
   public void delete(final Delete delete)
   throws IOException {
-    connection.getRegionServerWithRetries(
-        new ServerCallable<Boolean>(connection, tableName, delete.getRow(), operationTimeout) {
+    new ServerCallable<Boolean>(connection, tableName, delete.getRow(), operationTimeout) {
           public Boolean call() throws IOException {
             server.delete(location.getRegionInfo().getRegionName(), delete);
             return null; // FindBugs NP_BOOLEAN_RETURN_NULL
           }
-        }
-    );
+        }.withRetries();
   }
 
   /**
@@ -749,14 +743,12 @@ public class HTable implements HTableInt
       throw new IOException(
           "Invalid arguments to append, no columns specified");
     }
-    return connection.getRegionServerWithRetries(
-        new ServerCallable<Result>(connection, tableName, append.getRow(), operationTimeout) {
+    return new ServerCallable<Result>(connection, tableName, append.getRow(), operationTimeout) {
           public Result call() throws IOException {
             return server.append(
                 location.getRegionInfo().getRegionName(), append);
           }
-        }
-    );    
+        }.withRetries();
   }
 
   /**
@@ -768,14 +760,12 @@ public class HTable implements HTableInt
       throw new IOException(
           "Invalid arguments to increment, no columns specified");
     }
-    return connection.getRegionServerWithRetries(
-        new ServerCallable<Result>(connection, tableName, increment.getRow(), operationTimeout) {
+    return new ServerCallable<Result>(connection, tableName, increment.getRow(), operationTimeout) {
           public Result call() throws IOException {
             return server.increment(
                 location.getRegionInfo().getRegionName(), increment);
           }
-        }
-    );
+        }.withRetries();
   }
 
   /**
@@ -805,15 +795,13 @@ public class HTable implements HTableInt
       throw new IOException(
           "Invalid arguments to incrementColumnValue", npe);
     }
-    return connection.getRegionServerWithRetries(
-        new ServerCallable<Long>(connection, tableName, row, operationTimeout) {
+    return new ServerCallable<Long>(connection, tableName, row, operationTimeout) {
           public Long call() throws IOException {
             return server.incrementColumnValue(
                 location.getRegionInfo().getRegionName(), row, family,
                 qualifier, amount, writeToWAL);
           }
-        }
-    );
+        }.withRetries();
   }
 
   /**
@@ -824,14 +812,12 @@ public class HTable implements HTableInt
       final byte [] family, final byte [] qualifier, final byte [] value,
       final Put put)
   throws IOException {
-    return connection.getRegionServerWithRetries(
-        new ServerCallable<Boolean>(connection, tableName, row, operationTimeout) {
+    return new ServerCallable<Boolean>(connection, tableName, row, operationTimeout) {
           public Boolean call() throws IOException {
             return server.checkAndPut(location.getRegionInfo().getRegionName(),
                 row, family, qualifier, value, put) ? Boolean.TRUE : Boolean.FALSE;
           }
-        }
-    );
+        }.withRetries();
   }
 
 
@@ -843,16 +829,14 @@ public class HTable implements HTableInt
       final byte [] family, final byte [] qualifier, final byte [] value,
       final Delete delete)
   throws IOException {
-    return connection.getRegionServerWithRetries(
-        new ServerCallable<Boolean>(connection, tableName, row, operationTimeout) {
+    return new ServerCallable<Boolean>(connection, tableName, row, operationTimeout) {
           public Boolean call() throws IOException {
             return server.checkAndDelete(
                 location.getRegionInfo().getRegionName(),
                 row, family, qualifier, value, delete)
             ? Boolean.TRUE : Boolean.FALSE;
           }
-        }
-    );
+        }.withRetries();
   }
 
   /**
@@ -860,14 +844,12 @@ public class HTable implements HTableInt
    */
   @Override
   public boolean exists(final Get get) throws IOException {
-    return connection.getRegionServerWithRetries(
-        new ServerCallable<Boolean>(connection, tableName, get.getRow(), operationTimeout) {
+    return new ServerCallable<Boolean>(connection, tableName, get.getRow(), operationTimeout) {
           public Boolean call() throws IOException {
             return server.
                 exists(location.getRegionInfo().getRegionName(), get);
           }
-        }
-    );
+        }.withRetries();
   }
 
   /**
@@ -947,15 +929,13 @@ public class HTable implements HTableInt
   @Override
   public RowLock lockRow(final byte [] row)
   throws IOException {
-    return connection.getRegionServerWithRetries(
-      new ServerCallable<RowLock>(connection, tableName, row, operationTimeout) {
+    return new ServerCallable<RowLock>(connection, tableName, row, operationTimeout) {
         public RowLock call() throws IOException {
           long lockId =
               server.lockRow(location.getRegionInfo().getRegionName(), row);
           return new RowLock(row,lockId);
         }
-      }
-    );
+      }.withRetries();
   }
 
   /**
@@ -964,15 +944,13 @@ public class HTable implements HTableInt
   @Override
   public void unlockRow(final RowLock rl)
   throws IOException {
-    connection.getRegionServerWithRetries(
-      new ServerCallable<Boolean>(connection, tableName, rl.getRow(), operationTimeout) {
+    new ServerCallable<Boolean>(connection, tableName, rl.getRow(), operationTimeout) {
         public Boolean call() throws IOException {
           server.unlockRow(location.getRegionInfo().getRegionName(),
               rl.getLockId());
           return null; // FindBugs NP_BOOLEAN_RETURN_NULL
         }
-      }
-    );
+      }.withRetries();
   }
 
   /**

Modified: hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/MetaScanner.java
URL: http://svn.apache.org/viewvc/hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/MetaScanner.java?rev=1229683&r1=1229682&r2=1229683&view=diff
==============================================================================
--- hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/MetaScanner.java (original)
+++ hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/MetaScanner.java Tue Jan 10 18:52:43 2012
@@ -23,21 +23,17 @@ package org.apache.hadoop.hbase.client;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Map;
 import java.util.NavigableMap;
 import java.util.TreeMap;
-import java.util.TreeSet;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.HRegionInfo;
-import org.apache.hadoop.hbase.HServerAddress;
 import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.TableNotFoundException;
 import org.apache.hadoop.hbase.client.HConnectionManager.HConnectable;
-import org.apache.hadoop.hbase.util.Addressing;
 import org.apache.hadoop.hbase.util.Bytes;
 import org.apache.hadoop.hbase.util.Writables;
 
@@ -191,7 +187,7 @@ public class MetaScanner {
       }
       callable = new ScannerCallable(connection, metaTableName, scan, null);
       // Open scanner
-      connection.getRegionServerWithRetries(callable);
+      callable.withRetries();
 
       int processedRows = 0;
       try {
@@ -201,7 +197,7 @@ public class MetaScanner {
             break;
           }
           //we have all the rows here
-          Result [] rrs = connection.getRegionServerWithRetries(callable);
+          Result [] rrs = callable.withRetries();
           if (rrs == null || rrs.length == 0 || rrs[0].size() == 0) {
             break; //exit completely
           }
@@ -220,7 +216,7 @@ public class MetaScanner {
       } finally {
         // Close scanner
         callable.setClose();
-        connection.getRegionServerWithRetries(callable);
+        callable.withRetries();
       }
     } while (Bytes.compareTo(startRow, HConstants.LAST_ROW) != 0);
   }

Modified: hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/ServerCallable.java
URL: http://svn.apache.org/viewvc/hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/ServerCallable.java?rev=1229683&r1=1229682&r2=1229683&view=diff
==============================================================================
--- hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/ServerCallable.java (original)
+++ hbase/trunk/src/main/java/org/apache/hadoop/hbase/client/ServerCallable.java Tue Jan 10 18:52:43 2012
@@ -21,14 +21,21 @@
 package org.apache.hadoop.hbase.client;
 
 import java.io.IOException;
+import java.lang.reflect.UndeclaredThrowableException;
+import java.net.ConnectException;
 import java.net.SocketTimeoutException;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.concurrent.Callable;
 
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hbase.DoNotRetryIOException;
 import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.HRegionLocation;
 import org.apache.hadoop.hbase.ipc.HBaseRPC;
 import org.apache.hadoop.hbase.ipc.HRegionInterface;
 import org.apache.hadoop.hbase.util.Bytes;
+import org.apache.hadoop.ipc.RemoteException;
 
 /**
  * Abstract class that implements {@link Callable}.  Implementation stipulates
@@ -123,4 +130,106 @@ public abstract class ServerCallable<T> 
         this.callTimeout = ((int) (this.endTime - this.startTime));
       }
   }
-}
\ No newline at end of file
+
+  /**
+   * @return {@link HConnection} instance used by this Callable.
+   */
+  HConnection getConnection() {
+    return this.connection;
+  }
+
+  /**
+   * Run this instance with retries, timed waits,
+   * and refinds of missing regions.
+   *
+   * @param <T> the type of the return value
+   * @return an object of type T
+   * @throws IOException if a remote or network exception occurs
+   * @throws RuntimeException other unspecified error
+   */
+  public T withRetries()
+  throws IOException, RuntimeException {
+    Configuration c = getConnection().getConfiguration();
+    final long pause = c.getLong(HConstants.HBASE_CLIENT_PAUSE,
+      HConstants.DEFAULT_HBASE_CLIENT_PAUSE);
+    final int numRetries = c.getInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER,
+      HConstants.DEFAULT_HBASE_CLIENT_RETRIES_NUMBER);
+    List<RetriesExhaustedException.ThrowableWithExtraContext> exceptions =
+      new ArrayList<RetriesExhaustedException.ThrowableWithExtraContext>();
+    for (int tries = 0; tries < numRetries; tries++) {
+      try {
+        beforeCall();
+        connect(tries != 0);
+        return call();
+      } catch (Throwable t) {
+        shouldRetry(t);
+        t = translateException(t);
+        if (t instanceof SocketTimeoutException ||
+            t instanceof ConnectException ||
+            t instanceof RetriesExhaustedException) {
+          // if thrown these exceptions, we clear all the cache entries that
+          // map to that slow/dead server; otherwise, let cache miss and ask
+          // .META. again to find the new location
+          HRegionLocation hrl = location;
+          if (hrl != null) {
+            getConnection().clearCaches(hrl.getServerAddress().toString());
+          }
+        }
+        RetriesExhaustedException.ThrowableWithExtraContext qt =
+          new RetriesExhaustedException.ThrowableWithExtraContext(t,
+            System.currentTimeMillis(), toString());
+        exceptions.add(qt);
+        if (tries == numRetries - 1) {
+          throw new RetriesExhaustedException(tries, exceptions);
+        }
+      } finally {
+        afterCall();
+      }
+      try {
+        Thread.sleep(ConnectionUtils.getPauseTime(pause, tries));
+      } catch (InterruptedException e) {
+        Thread.currentThread().interrupt();
+        throw new IOException("Giving up after tries=" + tries, e);
+      }
+    }
+    return null;
+  }
+
+  /**
+   * Run this instance against the server once.
+   * @param <T> the type of the return value
+   * @return an object of type T
+   * @throws IOException if a remote or network exception occurs
+   * @throws RuntimeException other unspecified error
+   */
+  public T withoutRetries()
+  throws IOException, RuntimeException {
+    try {
+      beforeCall();
+      connect(false);
+      return call();
+    } catch (Throwable t) {
+      Throwable t2 = translateException(t);
+      if (t2 instanceof IOException) {
+        throw (IOException)t2;
+      } else {
+        throw new RuntimeException(t2);
+      }
+    } finally {
+      afterCall();
+    }
+  }
+
+  private static Throwable translateException(Throwable t) throws IOException {
+    if (t instanceof UndeclaredThrowableException) {
+      t = t.getCause();
+    }
+    if (t instanceof RemoteException) {
+      t = ((RemoteException)t).unwrapRemoteException();
+    }
+    if (t instanceof DoNotRetryIOException) {
+      throw (DoNotRetryIOException)t;
+    }
+    return t;
+  }
+}

Modified: hbase/trunk/src/main/java/org/apache/hadoop/hbase/ipc/ExecRPCInvoker.java
URL: http://svn.apache.org/viewvc/hbase/trunk/src/main/java/org/apache/hadoop/hbase/ipc/ExecRPCInvoker.java?rev=1229683&r1=1229682&r2=1229683&view=diff
==============================================================================
--- hbase/trunk/src/main/java/org/apache/hadoop/hbase/ipc/ExecRPCInvoker.java (original)
+++ hbase/trunk/src/main/java/org/apache/hadoop/hbase/ipc/ExecRPCInvoker.java Tue Jan 10 18:52:43 2012
@@ -76,7 +76,7 @@ public class ExecRPCInvoker implements I
                   exec);
             }
           };
-      ExecResult result = connection.getRegionServerWithRetries(callable);
+      ExecResult result = callable.withRetries();
       this.regionName = result.getRegionName();
       LOG.debug("Result is region="+ Bytes.toStringBinary(regionName) +
           ", value="+result.getValue());
@@ -89,4 +89,4 @@ public class ExecRPCInvoker implements I
   public byte[] getRegionName() {
     return regionName;
   }
-}
+}
\ No newline at end of file

Modified: hbase/trunk/src/main/java/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.java
URL: http://svn.apache.org/viewvc/hbase/trunk/src/main/java/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.java?rev=1229683&r1=1229682&r2=1229683&view=diff
==============================================================================
--- hbase/trunk/src/main/java/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.java (original)
+++ hbase/trunk/src/main/java/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.java Tue Jan 10 18:52:43 2012
@@ -484,7 +484,7 @@ public class LoadIncrementalHFiles exten
 
     try {
       List<LoadQueueItem> toRetry = new ArrayList<LoadQueueItem>();
-      boolean success = conn.getRegionServerWithRetries(svrCallable);
+      boolean success = svrCallable.withRetries();
       if (!success) {
         LOG.warn("Attempt to bulk load region containing "
             + Bytes.toStringBinary(first) + " into table "

Modified: hbase/trunk/src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java
URL: http://svn.apache.org/viewvc/hbase/trunk/src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java?rev=1229683&r1=1229682&r2=1229683&view=diff
==============================================================================
--- hbase/trunk/src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java (original)
+++ hbase/trunk/src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java Tue Jan 10 18:52:43 2012
@@ -1393,9 +1393,11 @@ public class AssignmentManager extends Z
       this.regionsInTransition.put(encodedName, state);
     } else {
       // If we are reassigning the node do not force in-memory state to OFFLINE.
-      // Based on the znode state we will decide if to change
-      // in-memory state to OFFLINE or not. It will
-      // be done before setting the znode to OFFLINE state.
+      // Based on the znode state we will decide if to change in-memory state to
+      // OFFLINE or not. It will be done before setting znode to OFFLINE state.
+
+      // We often get here with state == CLOSED because ClosedRegionHandler will
+      // assign on its tail as part of the handling of a region close.
       if (!hijack) {
         LOG.debug("Forcing OFFLINE; was=" + state);
         state.update(RegionState.State.OFFLINE);

Modified: hbase/trunk/src/main/java/org/apache/hadoop/hbase/master/handler/ClosedRegionHandler.java
URL: http://svn.apache.org/viewvc/hbase/trunk/src/main/java/org/apache/hadoop/hbase/master/handler/ClosedRegionHandler.java?rev=1229683&r1=1229682&r2=1229683&view=diff
==============================================================================
--- hbase/trunk/src/main/java/org/apache/hadoop/hbase/master/handler/ClosedRegionHandler.java (original)
+++ hbase/trunk/src/main/java/org/apache/hadoop/hbase/master/handler/ClosedRegionHandler.java Tue Jan 10 18:52:43 2012
@@ -97,7 +97,10 @@ public class ClosedRegionHandler extends
       return;
     }
     // ZK Node is in CLOSED state, assign it.
+    // TODO: Should we remove the region from RIT too?  We don't?  Makes for
+    // a 'forcing' log message when we go to update state from CLOSED to OFFLINE
     assignmentManager.setOffline(regionInfo);
+    // This below has to do w/ online enable/disable of a table
     assignmentManager.removeClosedRegion(regionInfo);
     assignmentManager.assign(regionInfo, true);
   }

Modified: hbase/trunk/src/main/java/org/apache/hadoop/hbase/master/handler/ServerShutdownHandler.java
URL: http://svn.apache.org/viewvc/hbase/trunk/src/main/java/org/apache/hadoop/hbase/master/handler/ServerShutdownHandler.java?rev=1229683&r1=1229682&r2=1229683&view=diff
==============================================================================
--- hbase/trunk/src/main/java/org/apache/hadoop/hbase/master/handler/ServerShutdownHandler.java (original)
+++ hbase/trunk/src/main/java/org/apache/hadoop/hbase/master/handler/ServerShutdownHandler.java Tue Jan 10 18:52:43 2012
@@ -168,12 +168,14 @@ public class ServerShutdownHandler exten
   @Override
   public void process() throws IOException {
     final ServerName serverName = this.serverName;
-
     try {
-
       try {
-        LOG.info("Splitting logs for " + serverName);
-        this.services.getMasterFileSystem().splitLog(serverName);
+        if (this.shouldSplitHlog) {
+          LOG.info("Splitting logs for " + serverName);
+          this.services.getMasterFileSystem().splitLog(serverName);
+        } else {
+          LOG.info("Skipping log splitting for " + serverName);
+        }
       } catch (IOException ioe) {
         this.services.getExecutorService().submit(this);
         this.deadServers.add(serverName);
@@ -186,7 +188,7 @@ public class ServerShutdownHandler exten
         LOG.info("Server " + serverName +
             " was carrying ROOT. Trying to assign.");
         this.services.getAssignmentManager().
-        regionOffline(HRegionInfo.ROOT_REGIONINFO);
+          regionOffline(HRegionInfo.ROOT_REGIONINFO);
         verifyAndAssignRootWithRetries();
       }
 
@@ -195,7 +197,7 @@ public class ServerShutdownHandler exten
         LOG.info("Server " + serverName +
           " was carrying META. Trying to assign.");
         this.services.getAssignmentManager().
-        regionOffline(HRegionInfo.FIRST_META_REGIONINFO);
+          regionOffline(HRegionInfo.FIRST_META_REGIONINFO);
         this.services.getAssignmentManager().assignMeta();
       }
 
@@ -228,9 +230,8 @@ public class ServerShutdownHandler exten
       // OFFLINE? -- and then others after like CLOSING that depend on log
       // splitting.
       List<RegionState> regionsInTransition =
-        this.services.getAssignmentManager()
-        .processServerShutdown(this.serverName);
-
+        this.services.getAssignmentManager().
+          processServerShutdown(this.serverName);
 
       // Wait on meta to come online; we need it to progress.
       // TODO: Best way to hold strictly here?  We should build this retry logic
@@ -252,7 +253,7 @@ public class ServerShutdownHandler exten
         try {
           this.server.getCatalogTracker().waitForMeta();
           hris = MetaReader.getServerUserRegions(this.server.getCatalogTracker(),
-              this.serverName);
+            this.serverName);
           break;
         } catch (InterruptedException e) {
           Thread.currentThread().interrupt();
@@ -267,8 +268,8 @@ public class ServerShutdownHandler exten
       for (RegionState rit : regionsInTransition) {
         if (!rit.isClosing() && !rit.isPendingClose()) {
           LOG.debug("Removed " + rit.getRegion().getRegionNameAsString() +
-          " from list of regions to assign because in RIT" + " region state: "
-          + rit.getState());
+          " from list of regions to assign because in RIT; region state: " +
+          rit.getState());
           if (hris != null) hris.remove(rit.getRegion());
         }
       }

Modified: hbase/trunk/src/test/java/org/apache/hadoop/hbase/catalog/TestCatalogTracker.java
URL: http://svn.apache.org/viewvc/hbase/trunk/src/test/java/org/apache/hadoop/hbase/catalog/TestCatalogTracker.java?rev=1229683&r1=1229682&r2=1229683&view=diff
==============================================================================
--- hbase/trunk/src/test/java/org/apache/hadoop/hbase/catalog/TestCatalogTracker.java (original)
+++ hbase/trunk/src/test/java/org/apache/hadoop/hbase/catalog/TestCatalogTracker.java Tue Jan 10 18:52:43 2012
@@ -25,6 +25,7 @@ import java.io.IOException;
 import java.net.ConnectException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicInteger;
 
 import junit.framework.Assert;
@@ -37,6 +38,7 @@ import org.apache.hadoop.hbase.client.HC
 import org.apache.hadoop.hbase.client.HConnectionManager;
 import org.apache.hadoop.hbase.client.HConnectionTestingUtility;
 import org.apache.hadoop.hbase.client.Result;
+import org.apache.hadoop.hbase.client.RetriesExhaustedException;
 import org.apache.hadoop.hbase.client.ServerCallable;
 import org.apache.hadoop.hbase.ipc.HRegionInterface;
 import org.apache.hadoop.hbase.util.Bytes;
@@ -68,6 +70,8 @@ public class TestCatalogTracker {
   private Abortable abortable;
 
   @BeforeClass public static void beforeClass() throws Exception {
+    // Set this down so tests run quicker
+    UTIL.getConfiguration().setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 3);
     UTIL.startMiniZKCluster();
   }
 
@@ -130,7 +134,8 @@ public class TestCatalogTracker {
    */
   @Test public void testInterruptWaitOnMetaAndRoot()
   throws IOException, InterruptedException {
-    HConnection connection = mockConnection(null);
+    HRegionInterface implementation = Mockito.mock(HRegionInterface.class);
+    HConnection connection = mockConnection(implementation);
     try {
       final CatalogTracker ct = constructAndStartCatalogTracker(connection);
       ServerName hsa = ct.getRootLocation();
@@ -180,21 +185,48 @@ public class TestCatalogTracker {
       Mockito.when(implementation.getRegionInfo((byte[]) Mockito.any())).
         thenThrow(new IOException("Server not running, aborting")).
         thenReturn(new HRegionInfo());
+
       // After we encounter the above 'Server not running', we should catch the
       // IOE and go into retrying for the meta mode.  We'll do gets on -ROOT- to
       // get new meta location.  Return something so this 'get' succeeds
       // (here we mock up getRegionServerWithRetries, the wrapper around
       // the actual get).
+
+      // TODO: Refactor.  This method has been moved out of HConnection.
+      // It works for now but has been deprecated.
       Mockito.when(connection.getRegionServerWithRetries((ServerCallable<Result>)Mockito.any())).
         thenReturn(getMetaTableRowResult());
+
       // Now start up the catalogtracker with our doctored Connection.
       final CatalogTracker ct = constructAndStartCatalogTracker(connection);
       try {
         // Set a location for root and meta.
         RootLocationEditor.setRootLocation(this.watcher, SN);
         ct.setMetaLocation(SN);
-        // Call the method that HBASE-4288 calls.
-        Assert.assertFalse(ct.waitForMetaServerConnectionDefault() == null);
+        // Call the method that HBASE-4288 calls.  It will try and verify the
+        // meta location and will fail on first attempt then go into a long wait.
+        // So, do this in a thread and then reset meta location to break it out
+        // of its wait after a bit of time.
+        final AtomicBoolean metaSet = new AtomicBoolean(false);
+        Thread t = new Thread() {
+          @Override
+          public void run() {
+            try {
+              metaSet.set(ct.waitForMetaServerConnectionDefault() !=  null);
+            } catch (NotAllMetaRegionsOnlineException e) {
+              throw new RuntimeException(e);
+            } catch (IOException e) {
+              throw new RuntimeException(e);
+            }
+          }
+        };
+        t.start();
+        while(!t.isAlive()) Threads.sleep(1);
+        Threads.sleep(1);
+        // Now reset the meta as though it were redeployed.
+        ct.setMetaLocation(SN);
+        t.join();
+        Assert.assertTrue(metaSet.get());
       } finally {
         // Clean out root and meta locations or later tests will be confused...
         // they presume start fresh in zk.
@@ -280,7 +312,7 @@ public class TestCatalogTracker {
     ct.waitForRoot(100);
   }
 
-  @Test (expected = NotAllMetaRegionsOnlineException.class)
+  @Test (expected = RetriesExhaustedException.class)
   public void testTimeoutWaitForMeta()
   throws IOException, InterruptedException {
     HConnection connection =
@@ -345,6 +377,9 @@ public class TestCatalogTracker {
       // location (no matter what the Get is). Same for getHRegionInfo -- always
       // just return the meta region.
       final Result result = getMetaTableRowResult();
+
+      // TODO: Refactor.  This method has been moved out of HConnection.
+      // It works for now but has been deprecated.
       Mockito.when(connection.getRegionServerWithRetries((ServerCallable<Result>)Mockito.any())).
         thenReturn(result);
       Mockito.when(implementation.getRegionInfo((byte[]) Mockito.any())).

Modified: hbase/trunk/src/test/java/org/apache/hadoop/hbase/client/HConnectionTestingUtility.java
URL: http://svn.apache.org/viewvc/hbase/trunk/src/test/java/org/apache/hadoop/hbase/client/HConnectionTestingUtility.java?rev=1229683&r1=1229682&r2=1229683&view=diff
==============================================================================
--- hbase/trunk/src/test/java/org/apache/hadoop/hbase/client/HConnectionTestingUtility.java (original)
+++ hbase/trunk/src/test/java/org/apache/hadoop/hbase/client/HConnectionTestingUtility.java Tue Jan 10 18:52:43 2012
@@ -17,12 +17,16 @@
  */
 package org.apache.hadoop.hbase.client;
 
+import java.io.IOException;
+
 import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.hbase.SmallTests;
+import org.apache.hadoop.hbase.HRegionInfo;
+import org.apache.hadoop.hbase.HRegionLocation;
+import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.ZooKeeperConnectionException;
 import org.apache.hadoop.hbase.client.HConnectionManager.HConnectionImplementation;
 import org.apache.hadoop.hbase.client.HConnectionManager.HConnectionKey;
-import org.junit.experimental.categories.Category;
+import org.apache.hadoop.hbase.ipc.HRegionInterface;
 import org.mockito.Mockito;
 
 /**
@@ -61,6 +65,53 @@ public class HConnectionTestingUtility {
   }
 
   /**
+   * Calls {@link #getMockedConnection(Configuration)} and then mocks a few
+   * more of the popular {@link HConnection} methods so they do 'normal'
+   * operation (see return doc below for list). Be sure to shutdown the
+   * connection when done by calling
+   * {@link HConnectionManager#deleteConnection(Configuration, boolean)} else it
+   * will stick around; this is probably not what you want.
+   * @param implementation An {@link HRegionInterface} instance; you'll likely
+   * want to pass a mocked HRS; can be null.
+   * 
+   * @param conf Configuration to use
+   * @param implementation An HRegionInterface; can be null but is usually
+   * itself a mock.
+   * @param sn ServerName to include in the region location returned by this
+   * <code>implementation</code>
+   * @param hri HRegionInfo to include in the location returned when
+   * getRegionLocation is called on the mocked connection
+   * @return Mock up a connection that returns a {@link Configuration} when
+   * {@link HConnection#getConfiguration()} is called, a 'location' when
+   * {@link HConnection#getRegionLocation(byte[], byte[], boolean)} is called,
+   * and that returns the passed {@link HRegionInterface} instance when
+   * {@link HConnection#getHRegionConnection(String, int)}
+   * is called (Be sure call
+   * {@link HConnectionManager#deleteConnection(org.apache.hadoop.conf.Configuration, boolean)}
+   * when done with this mocked Connection.
+   * @throws IOException
+   */
+  public static HConnection getMockedConnectionAndDecorate(final Configuration conf,
+      final HRegionInterface implementation, final ServerName sn, final HRegionInfo hri)
+  throws IOException {
+    HConnection c = HConnectionTestingUtility.getMockedConnection(conf);
+    Mockito.doNothing().when(c).close();
+    // Make it so we return a particular location when asked.
+    final HRegionLocation loc = new HRegionLocation(hri, sn.getHostname(), sn.getPort());
+    Mockito.when(c.getRegionLocation((byte[]) Mockito.any(),
+        (byte[]) Mockito.any(), Mockito.anyBoolean())).
+      thenReturn(loc);
+    Mockito.when(c.locateRegion((byte[]) Mockito.any(), (byte[]) Mockito.any())).
+      thenReturn(loc);
+    if (implementation != null) {
+      // If a call to getHRegionConnection, return this implementation.
+      Mockito.when(c.getHRegionConnection(Mockito.anyString(), Mockito.anyInt())).
+        thenReturn(implementation);
+    }
+    return c;
+  }
+
+  /**
    * Get a Mockito spied-upon {@link HConnection} that goes with the passed
    * <code>conf</code> configuration instance.
    * Be sure to shutdown the connection when done by calling
@@ -85,7 +136,6 @@ public class HConnectionTestingUtility {
     }
   }
 
-
   /**
    * @return Count of extant connection instances
    */
@@ -94,4 +144,4 @@ public class HConnectionTestingUtility {
       return HConnectionManager.HBASE_INSTANCES.size();
     }
   }
-}
+}
\ No newline at end of file

Modified: hbase/trunk/src/test/java/org/apache/hadoop/hbase/mapreduce/TestLoadIncrementalHFilesSplitRecovery.java
URL: http://svn.apache.org/viewvc/hbase/trunk/src/test/java/org/apache/hadoop/hbase/mapreduce/TestLoadIncrementalHFilesSplitRecovery.java?rev=1229683&r1=1229682&r2=1229683&view=diff
==============================================================================
--- hbase/trunk/src/test/java/org/apache/hadoop/hbase/mapreduce/TestLoadIncrementalHFilesSplitRecovery.java (original)
+++ hbase/trunk/src/test/java/org/apache/hadoop/hbase/mapreduce/TestLoadIncrementalHFilesSplitRecovery.java Tue Jan 10 18:52:43 2012
@@ -20,9 +20,6 @@ package org.apache.hadoop.hbase.mapreduc
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
-import static org.mockito.Matchers.anyObject;
-import static org.mockito.Mockito.doThrow;
-import static org.mockito.Mockito.mock;
 
 import java.io.IOException;
 import java.nio.ByteBuffer;
@@ -35,16 +32,23 @@ import java.util.concurrent.atomic.Atomi
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.hbase.*;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
+import org.apache.hadoop.hbase.HBaseTestingUtility;
+import org.apache.hadoop.hbase.HColumnDescriptor;
+import org.apache.hadoop.hbase.HRegionInfo;
+import org.apache.hadoop.hbase.HRegionLocation;
+import org.apache.hadoop.hbase.HTableDescriptor;
+import org.apache.hadoop.hbase.LargeTests;
+import org.apache.hadoop.hbase.TableExistsException;
 import org.apache.hadoop.hbase.client.HConnection;
 import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.client.ResultScanner;
 import org.apache.hadoop.hbase.client.Scan;
 import org.apache.hadoop.hbase.client.ServerCallable;
+import org.apache.hadoop.hbase.ipc.HRegionInterface;
 import org.apache.hadoop.hbase.regionserver.HRegionServer;
 import org.apache.hadoop.hbase.regionserver.TestHRegionServerBulkLoad;
 import org.apache.hadoop.hbase.util.Bytes;
@@ -52,9 +56,10 @@ import org.apache.hadoop.hbase.util.Pair
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.mockito.Mockito;
 
 import com.google.common.collect.Multimap;
-import org.junit.experimental.categories.Category;
 
 /**
  * Test cases for the atomic load error handling of the bulk load functionality.
@@ -226,13 +231,13 @@ public class TestLoadIncrementalHFilesSp
         util.getConfiguration()) {
 
       protected List<LoadQueueItem> tryAtomicRegionLoad(final HConnection conn,
-          byte[] tableName, final byte[] first, Collection<LoadQueueItem> lqis) throws IOException {
+          byte[] tableName, final byte[] first, Collection<LoadQueueItem> lqis)
+      throws IOException {
         int i = attmptedCalls.incrementAndGet();
         if (i == 1) {
-          HConnection errConn = mock(HConnection.class);
+          HConnection errConn = null;
           try {
-            doThrow(new IOException("injecting bulk load error")).when(errConn)
-                .getRegionServerWithRetries((ServerCallable) anyObject());
+            errConn = getMockedConnection(util.getConfiguration());
           } catch (Exception e) {
             LOG.fatal("mocking cruft, should never happen", e);
             throw new RuntimeException("mocking cruft, should never happen");
@@ -253,6 +258,27 @@ public class TestLoadIncrementalHFilesSp
     fail("doBulkLoad should have thrown an exception");
   }
 
+  private HConnection getMockedConnection(final Configuration conf)
+  throws IOException {
+    HConnection c = Mockito.mock(HConnection.class);
+    Mockito.when(c.getConfiguration()).thenReturn(conf);
+    Mockito.doNothing().when(c).close();
+    // Make it so we return a particular location when asked.
+    final HRegionLocation loc = new HRegionLocation(HRegionInfo.FIRST_META_REGIONINFO,
+        "example.org", 1234);
+    Mockito.when(c.getRegionLocation((byte[]) Mockito.any(),
+        (byte[]) Mockito.any(), Mockito.anyBoolean())).
+      thenReturn(loc);
+    Mockito.when(c.locateRegion((byte[]) Mockito.any(), (byte[]) Mockito.any())).
+      thenReturn(loc);
+    HRegionInterface hri = Mockito.mock(HRegionInterface.class);
+    Mockito.when(hri.bulkLoadHFiles(Mockito.anyList(), (byte [])Mockito.any())).
+      thenThrow(new IOException("injecting bulk load error"));
+    Mockito.when(c.getHRegionConnection(Mockito.anyString(), Mockito.anyInt())).
+      thenReturn(hri);
+    return c;
+  }
+
   /**
    * This test exercises the path where there is a split after initial
    * validation but before the atomic bulk load call. We cannot use presplitting

Modified: hbase/trunk/src/test/java/org/apache/hadoop/hbase/master/TestAssignmentManager.java
URL: http://svn.apache.org/viewvc/hbase/trunk/src/test/java/org/apache/hadoop/hbase/master/TestAssignmentManager.java?rev=1229683&r1=1229682&r2=1229683&view=diff
==============================================================================
--- hbase/trunk/src/test/java/org/apache/hadoop/hbase/master/TestAssignmentManager.java (original)
+++ hbase/trunk/src/test/java/org/apache/hadoop/hbase/master/TestAssignmentManager.java Tue Jan 10 18:52:43 2012
@@ -17,20 +17,36 @@
  */
 package org.apache.hadoop.hbase.master;
 
+import static org.junit.Assert.assertNotSame;
 import static org.junit.Assert.assertTrue;
 
 import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
 
 import org.apache.hadoop.hbase.HBaseTestingUtility;
+import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.HRegionInfo;
+import org.apache.hadoop.hbase.KeyValue;
 import org.apache.hadoop.hbase.Server;
 import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.SmallTests;
 import org.apache.hadoop.hbase.ZooKeeperConnectionException;
 import org.apache.hadoop.hbase.catalog.CatalogTracker;
+import org.apache.hadoop.hbase.client.HConnection;
+import org.apache.hadoop.hbase.client.HConnectionTestingUtility;
+import org.apache.hadoop.hbase.client.Result;
+import org.apache.hadoop.hbase.client.Scan;
 import org.apache.hadoop.hbase.executor.EventHandler.EventType;
 import org.apache.hadoop.hbase.executor.ExecutorService;
+import org.apache.hadoop.hbase.executor.ExecutorService.ExecutorType;
 import org.apache.hadoop.hbase.executor.RegionTransitionData;
+import org.apache.hadoop.hbase.ipc.HRegionInterface;
+import org.apache.hadoop.hbase.master.handler.ServerShutdownHandler;
+import org.apache.hadoop.hbase.regionserver.RegionOpeningState;
+import org.apache.hadoop.hbase.util.Bytes;
+import org.apache.hadoop.hbase.util.Threads;
+import org.apache.hadoop.hbase.util.Writables;
 import org.apache.hadoop.hbase.zookeeper.ZKAssign;
 import org.apache.hadoop.hbase.zookeeper.ZKUtil;
 import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
@@ -51,12 +67,17 @@ import org.mockito.Mockito;
 @Category(SmallTests.class)
 public class TestAssignmentManager {
   private static final HBaseTestingUtility HTU = new HBaseTestingUtility();
-  private static final ServerName RANDOM_SERVERNAME =
+  private static final ServerName SERVERNAME_A =
     new ServerName("example.org", 1234, 5678);
+  private static final ServerName SERVERNAME_B =
+    new ServerName("example.org", 0, 5678);
+  private static final HRegionInfo REGIONINFO =
+    new HRegionInfo(Bytes.toBytes("t"),
+      HConstants.EMPTY_START_ROW, HConstants.EMPTY_START_ROW);
+
+  // Mocked objects or; get redone for each test.
   private Server server;
   private ServerManager serverManager;
-  private CatalogTracker ct;
-  private ExecutorService executor;
   private ZooKeeperWatcher watcher;
 
   @BeforeClass
@@ -71,22 +92,38 @@ public class TestAssignmentManager {
 
   @Before
   public void before() throws ZooKeeperConnectionException, IOException {
+    // TODO: Make generic versions of what we do below and put up in a mocking
+    // utility class or move up into HBaseTestingUtility.
+
     // Mock a Server.  Have it return a legit Configuration and ZooKeeperWatcher.
     // If abort is called, be sure to fail the test (don't just swallow it
     // silently as is mockito default).
     this.server = Mockito.mock(Server.class);
     Mockito.when(server.getConfiguration()).thenReturn(HTU.getConfiguration());
     this.watcher =
-      new ZooKeeperWatcher(HTU.getConfiguration(), "mocked server", this.server, true);
+      new ZooKeeperWatcher(HTU.getConfiguration(), "mockedServer", this.server, true);
     Mockito.when(server.getZooKeeper()).thenReturn(this.watcher);
     Mockito.doThrow(new RuntimeException("Aborted")).
       when(server).abort(Mockito.anyString(), (Throwable)Mockito.anyObject());
-    // Mock a ServerManager.  Say the server RANDOME_SERVERNAME is online.
-    // Also, when someone sends sendRegionClose, say true it succeeded.
+
+    // Mock a ServerManager.  Say server SERVERNAME_{A,B} are online.  Also
+    // make it so if close or open, we return 'success'.
     this.serverManager = Mockito.mock(ServerManager.class);
-    Mockito.when(this.serverManager.isServerOnline(RANDOM_SERVERNAME)).thenReturn(true);
-    this.ct = Mockito.mock(CatalogTracker.class);
-    this.executor = Mockito.mock(ExecutorService.class);
+    Mockito.when(this.serverManager.isServerOnline(SERVERNAME_A)).thenReturn(true);
+    Mockito.when(this.serverManager.isServerOnline(SERVERNAME_B)).thenReturn(true);
+    final List<ServerName> onlineServers = new ArrayList<ServerName>();
+    onlineServers.add(SERVERNAME_B);
+    onlineServers.add(SERVERNAME_A);
+    Mockito.when(this.serverManager.getOnlineServersList()).thenReturn(onlineServers);
+    Mockito.when(this.serverManager.sendRegionClose(SERVERNAME_A, REGIONINFO, -1)).
+      thenReturn(true);
+    Mockito.when(this.serverManager.sendRegionClose(SERVERNAME_B, REGIONINFO, -1)).
+      thenReturn(true);
+    // Ditto on open.
+    Mockito.when(this.serverManager.sendRegionOpen(SERVERNAME_A, REGIONINFO, -1)).
+      thenReturn(RegionOpeningState.OPENED);
+    Mockito.when(this.serverManager.sendRegionOpen(SERVERNAME_B, REGIONINFO, -1)).
+    thenReturn(RegionOpeningState.OPENED);
   }
 
   @After
@@ -94,34 +131,204 @@ public class TestAssignmentManager {
     if (this.watcher != null) this.watcher.close();
   }
 
+  /**
+   * Tests AssignmentManager balance function.  Runs a balance moving a region
+   * from one server to another mocking regionserver responding over zk.
+   * @throws IOException
+   * @throws KeeperException
+   */
+  @Test
+  public void testBalance()
+  throws IOException, KeeperException {
+    // Create and startup an executor.  This is used by AssignmentManager
+    // handling zk callbacks.
+    ExecutorService executor = startupMasterExecutor("testBalanceExecutor");
+
+    // We need a mocked catalog tracker.
+    CatalogTracker ct = Mockito.mock(CatalogTracker.class);
+    // Create an AM.
+    AssignmentManager am =
+      new AssignmentManager(this.server, this.serverManager, ct, executor);
+    try {
+      // Make sure our new AM gets callbacks; once registered, can't unregister.
+      // Thats ok because we make a new zk watcher for each test.
+      this.watcher.registerListenerFirst(am);
+      // Call the balance function but fake the region being online first at
+      // SERVERNAME_A.  Create a balance plan.
+      am.regionOnline(REGIONINFO, SERVERNAME_A);
+      // Balance region from A to B.
+      RegionPlan plan = new RegionPlan(REGIONINFO, SERVERNAME_A, SERVERNAME_B);
+      am.balance(plan);
+
+      // Now fake the region closing successfully over on the regionserver; the
+      // regionserver will have set the region in CLOSED state.  This will
+      // trigger callback into AM. The below zk close call is from the RS close
+      // region handler duplicated here because its down deep in a private
+      // method hard to expose.
+      int versionid =
+        ZKAssign.transitionNodeClosed(this.watcher, REGIONINFO, SERVERNAME_A, -1);
+      assertNotSame(versionid, -1);
+      // AM is going to notice above CLOSED and queue up a new assign.  The
+      // assign will go to open the region in the new location set by the
+      // balancer.  The zk node will be OFFLINE waiting for regionserver to
+      // transition it through OPENING, OPENED.  Wait till we see the OFFLINE
+      // zk node before we proceed.
+      while (!ZKAssign.verifyRegionState(this.watcher, REGIONINFO, EventType.M_ZK_REGION_OFFLINE)) {
+        Threads.sleep(1);
+      }
+      // Get current versionid else will fail on transition from OFFLINE to OPENING below
+      versionid = ZKAssign.getVersion(this.watcher, REGIONINFO);
+      assertNotSame(-1, versionid);
+      // This uglyness below is what the openregionhandler on RS side does.
+      versionid = ZKAssign.transitionNode(server.getZooKeeper(), REGIONINFO,
+        SERVERNAME_A, EventType.M_ZK_REGION_OFFLINE,
+        EventType.RS_ZK_REGION_OPENING, versionid);
+      assertNotSame(-1, versionid);
+      // Move znode from OPENING to OPENED as RS does on successful open.
+      versionid =
+        ZKAssign.transitionNodeOpened(this.watcher, REGIONINFO, SERVERNAME_B, versionid);
+      assertNotSame(-1, versionid);
+      // Wait on the handler removing the OPENED znode.
+      while(am.isRegionInTransition(REGIONINFO) != null) Threads.sleep(1);
+    } finally {
+      executor.shutdown();
+      am.shutdown();
+      // Clean up all znodes
+      ZKAssign.deleteAllNodes(this.watcher);
+    }
+  }
+
+  /**
+   * Run a simple server shutdown handler.
+   * @throws KeeperException
+   * @throws IOException
+   */
+  @Test
+  public void testShutdownHandler() throws KeeperException, IOException {
+    // Create and startup an executor.  This is used by AssignmentManager
+    // handling zk callbacks.
+    ExecutorService executor = startupMasterExecutor("testShutdownHandler");
+
+    // We need a mocked catalog tracker.
+    CatalogTracker ct = Mockito.mock(CatalogTracker.class);
+    // Create an AM.
+    AssignmentManager am =
+      new AssignmentManager(this.server, this.serverManager, ct, executor);
+    try {
+      // Make sure our new AM gets callbacks; once registered, can't unregister.
+      // Thats ok because we make a new zk watcher for each test.
+      this.watcher.registerListenerFirst(am);
+
+      // Need to set up a fake scan of meta for the servershutdown handler
+      // Make an RS Interface implementation.  Make it so a scanner can go against it.
+      HRegionInterface implementation = Mockito.mock(HRegionInterface.class);
+      // Get a meta row result that has region up on SERVERNAME_A
+      Result r = getMetaTableRowResult(REGIONINFO, SERVERNAME_A);
+      Mockito.when(implementation.openScanner((byte [])Mockito.any(), (Scan)Mockito.any())).
+        thenReturn(System.currentTimeMillis());
+      // Return a good result first and then return null to indicate end of scan
+      Mockito.when(implementation.next(Mockito.anyLong(), Mockito.anyInt())).
+        thenReturn(new Result [] {r}, (Result [])null);
+
+      // Get a connection w/ mocked up common methods.
+      HConnection connection =
+        HConnectionTestingUtility.getMockedConnectionAndDecorate(HTU.getConfiguration(),
+          implementation, SERVERNAME_B, REGIONINFO);
+
+      // Make it so we can get a catalogtracker from servermanager.. .needed
+      // down in guts of server shutdown handler.
+      Mockito.when(ct.getConnection()).thenReturn(connection);
+      Mockito.when(this.server.getCatalogTracker()).thenReturn(ct);
+
+      // Now make a server shutdown handler instance and invoke process.
+      // Have it that SERVERNAME_A died.
+      DeadServer deadServers = new DeadServer();
+      deadServers.add(SERVERNAME_A);
+      // I need a services instance that will return the AM
+      MasterServices services = Mockito.mock(MasterServices.class);
+      Mockito.when(services.getAssignmentManager()).thenReturn(am);
+      ServerShutdownHandler handler = new ServerShutdownHandler(this.server,
+        services, deadServers, SERVERNAME_A, false);
+      handler.process();
+      // The region in r will have been assigned.  It'll be up in zk as unassigned.
+    } finally {
+      executor.shutdown();
+      am.shutdown();
+      // Clean up all znodes
+      ZKAssign.deleteAllNodes(this.watcher);
+    }
+  }
+
+  /**
+   * @param sn ServerName to use making startcode and server in meta
+   * @param hri Region to serialize into HRegionInfo
+   * @return A mocked up Result that fakes a Get on a row in the
+   * <code>.META.</code> table.
+   * @throws IOException 
+   */
+  private Result getMetaTableRowResult(final HRegionInfo hri,
+      final ServerName sn)
+  throws IOException {
+    // TODO: Move to a utilities class.  More than one test case can make use
+    // of this facility.
+    List<KeyValue> kvs = new ArrayList<KeyValue>();
+    kvs.add(new KeyValue(HConstants.EMPTY_BYTE_ARRAY,
+      HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER,
+      Writables.getBytes(hri)));
+    kvs.add(new KeyValue(HConstants.EMPTY_BYTE_ARRAY,
+      HConstants.CATALOG_FAMILY, HConstants.SERVER_QUALIFIER,
+      Bytes.toBytes(sn.getHostAndPort())));
+    kvs.add(new KeyValue(HConstants.EMPTY_BYTE_ARRAY,
+      HConstants.CATALOG_FAMILY, HConstants.STARTCODE_QUALIFIER,
+      Bytes.toBytes(sn.getStartcode())));
+    return new Result(kvs);
+  }
+
+  /**
+   * Create and startup executor pools. Start same set as master does (just
+   * run a few less).
+   * @param name Name to give our executor
+   * @return Created executor (be sure to call shutdown when done).
+   */
+  private ExecutorService startupMasterExecutor(final String name) {
+    // TODO: Move up into HBaseTestingUtility?  Generally useful.
+    ExecutorService executor = new ExecutorService(name);
+    executor.startExecutorService(ExecutorType.MASTER_OPEN_REGION, 3);
+    executor.startExecutorService(ExecutorType.MASTER_CLOSE_REGION, 3);
+    executor.startExecutorService(ExecutorType.MASTER_SERVER_OPERATIONS, 3);
+    executor.startExecutorService(ExecutorType.MASTER_META_SERVER_OPERATIONS, 3);
+    return executor;
+  }
+
   @Test
   public void testUnassignWithSplitAtSameTime() throws KeeperException, IOException {
     // Region to use in test.
     final HRegionInfo hri = HRegionInfo.FIRST_META_REGIONINFO;
     // First amend the servermanager mock so that when we do send close of the
-    // first meta region on RANDOM_SERVERNAME, it will return true rather than
+    // first meta region on SERVERNAME_A, it will return true rather than
     // default null.
-    Mockito.when(this.serverManager.sendRegionClose(RANDOM_SERVERNAME, hri, -1))
-    .thenReturn(true);
+    Mockito.when(this.serverManager.sendRegionClose(SERVERNAME_A, hri, -1)).thenReturn(true);
+    // Need a mocked catalog tracker.
+    CatalogTracker ct = Mockito.mock(CatalogTracker.class);
     // Create an AM.
     AssignmentManager am =
-      new AssignmentManager(this.server, this.serverManager, this.ct, this.executor);
+      new AssignmentManager(this.server, this.serverManager, ct, null);
     try {
       // First make sure my mock up basically works.  Unassign a region.
-      unassign(am, RANDOM_SERVERNAME, hri);
+      unassign(am, SERVERNAME_A, hri);
       // This delete will fail if the previous unassign did wrong thing.
       ZKAssign.deleteClosingNode(this.watcher, hri);
       // Now put a SPLITTING region in the way.  I don't have to assert it
       // go put in place.  This method puts it in place then asserts it still
       // owns it by moving state from SPLITTING to SPLITTING.
-      int version = createNodeSplitting(this.watcher, hri, RANDOM_SERVERNAME);
+      int version = createNodeSplitting(this.watcher, hri, SERVERNAME_A);
       // Now, retry the unassign with the SPLTTING in place.  It should just
       // complete without fail; a sort of 'silent' recognition that the
       // region to unassign has been split and no longer exists: TOOD: what if
       // the split fails and the parent region comes back to life?
-      unassign(am, RANDOM_SERVERNAME, hri);
+      unassign(am, SERVERNAME_A, hri);
       // This transition should fail if the znode has been messed with.
-      ZKAssign.transitionNode(this.watcher, hri, RANDOM_SERVERNAME,
+      ZKAssign.transitionNode(this.watcher, hri, SERVERNAME_A,
         EventType.RS_ZK_REGION_SPLITTING, EventType.RS_ZK_REGION_SPLITTING, version);
       assertTrue(am.isRegionInTransition(hri) == null);
     } finally {

Modified: hbase/trunk/src/test/java/org/apache/hadoop/hbase/master/TestCatalogJanitor.java
URL: http://svn.apache.org/viewvc/hbase/trunk/src/test/java/org/apache/hadoop/hbase/master/TestCatalogJanitor.java?rev=1229683&r1=1229682&r2=1229683&view=diff
==============================================================================
--- hbase/trunk/src/test/java/org/apache/hadoop/hbase/master/TestCatalogJanitor.java (original)
+++ hbase/trunk/src/test/java/org/apache/hadoop/hbase/master/TestCatalogJanitor.java Tue Jan 10 18:52:43 2012
@@ -72,7 +72,11 @@ public class TestCatalogJanitor {
       // Mock an HConnection and a HRegionInterface implementation.  Have the
       // HConnection return the HRI.  Have the HRI return a few mocked up responses
       // to make our test work.
-      this.connection = HConnectionTestingUtility.getMockedConnection(this.c);
+      this.connection =
+        HConnectionTestingUtility.getMockedConnectionAndDecorate(this.c,
+          Mockito.mock(HRegionInterface.class),
+          new ServerName("example.org,12345,6789"),
+          HRegionInfo.FIRST_META_REGIONINFO);
       // Set hbase.rootdir into test dir.
       FileSystem fs = FileSystem.get(this.c);
       Path rootdir = fs.makeQualified(new Path(this.c.get(HConstants.HBASE_DIR)));

Modified: hbase/trunk/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegionServerBulkLoad.java
URL: http://svn.apache.org/viewvc/hbase/trunk/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegionServerBulkLoad.java?rev=1229683&r1=1229682&r2=1229683&view=diff
==============================================================================
--- hbase/trunk/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegionServerBulkLoad.java (original)
+++ hbase/trunk/src/test/java/org/apache/hadoop/hbase/regionserver/TestHRegionServerBulkLoad.java Tue Jan 10 18:52:43 2012
@@ -30,7 +30,6 @@ import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hbase.*;
 import org.apache.hadoop.hbase.MultithreadedTestUtil.RepeatingTestThread;
 import org.apache.hadoop.hbase.MultithreadedTestUtil.TestContext;
-import org.apache.hadoop.hbase.client.HBaseAdmin;
 import org.apache.hadoop.hbase.client.HConnection;
 import org.apache.hadoop.hbase.client.HTable;
 import org.apache.hadoop.hbase.client.Result;
@@ -135,7 +134,7 @@ public class TestHRegionServerBulkLoad {
       // bulk load HFiles
       HConnection conn = UTIL.getHBaseAdmin().getConnection();
       byte[] tbl = Bytes.toBytes(tableName);
-      conn.getRegionServerWithRetries(new ServerCallable<Void>(conn, tbl, Bytes
+      new ServerCallable<Void>(conn, tbl, Bytes
           .toBytes("aaa")) {
         @Override
         public Void call() throws Exception {
@@ -145,12 +144,12 @@ public class TestHRegionServerBulkLoad {
           server.bulkLoadHFiles(famPaths, regionName);
           return null;
         }
-      });
+      }.withRetries();
 
       // Periodically do compaction to reduce the number of open file handles.
       if (numBulkLoads.get() % 10 == 0) {
         // 10 * 50 = 500 open file handles!
-        conn.getRegionServerWithRetries(new ServerCallable<Void>(conn, tbl,
+        new ServerCallable<Void>(conn, tbl,
             Bytes.toBytes("aaa")) {
           @Override
           public Void call() throws Exception {
@@ -160,7 +159,7 @@ public class TestHRegionServerBulkLoad {
             numCompactions.incrementAndGet();
             return null;
           }
-        });
+        }.withRetries();
       }
     }
   }



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