Return-Path: X-Original-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id E42A31850E for ; Fri, 5 Jun 2015 22:13:01 +0000 (UTC) Received: (qmail 84962 invoked by uid 500); 5 Jun 2015 22:13:01 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 84603 invoked by uid 500); 5 Jun 2015 22:13:01 -0000 Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hdfs-issues@hadoop.apache.org Delivered-To: mailing list hdfs-issues@hadoop.apache.org Received: (qmail 84237 invoked by uid 99); 5 Jun 2015 22:13:01 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 05 Jun 2015 22:13:01 +0000 Date: Fri, 5 Jun 2015 22:13:01 +0000 (UTC) From: "Mike Drob (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (HDFS-8548) Minicluster throws NPE on shutdown MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Mike Drob created HDFS-8548: ------------------------------- Summary: Minicluster throws NPE on shutdown Key: HDFS-8548 URL: https://issues.apache.org/jira/browse/HDFS-8548 Project: Hadoop HDFS Issue Type: Bug Affects Versions: 2.6.0 Reporter: Mike Drob After running Solr tests, when we attempt to shut down the mini cluster that we use for our unit tests, we get an NPE in the clean up thread. The test still completes normally, but this generates a lot of extra noise. {noformat} [junit4] 2> java.lang.reflect.InvocationTargetException [junit4] 2> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [junit4] 2> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) [junit4] 2> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [junit4] 2> at java.lang.reflect.Method.invoke(Method.java:497) [junit4] 2> at org.apache.hadoop.metrics2.lib.MethodMetric$2.snapshot(MethodMetric.java:111) [junit4] 2> at org.apache.hadoop.metrics2.lib.MethodMetric.snapshot(MethodMetric.java:144) [junit4] 2> at org.apache.hadoop.metrics2.lib.MetricsRegistry.snapshot(MetricsRegistry.java:387) [junit4] 2> at org.apache.hadoop.metrics2.lib.MetricsSourceBuilder$1.getMetrics(MetricsSourceBuilder.java:79) [junit4] 2> at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.getMetrics(MetricsSourceAdapter.java:195) [junit4] 2> at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.updateJmxCache(MetricsSourceAdapter.java:172) [junit4] 2> at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.getMBeanInfo(MetricsSourceAdapter.java:151) [junit4] 2> at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getClassName(DefaultMBeanServerInterceptor.java:1804) [junit4] 2> at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.safeGetClassName(DefaultMBeanServerInterceptor.java:1595) [junit4] 2> at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.checkMBeanPermission(DefaultMBeanServerInterceptor.java:1813) [junit4] 2> at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.exclusiveUnregisterMBean(DefaultMBeanServerInterceptor.java:430) [junit4] 2> at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.unregisterMBean(DefaultMBeanServerInterceptor.java:415) [junit4] 2> at com.sun.jmx.mbeanserver.JmxMBeanServer.unregisterMBean(JmxMBeanServer.java:546) [junit4] 2> at org.apache.hadoop.metrics2.util.MBeans.unregister(MBeans.java:81) [junit4] 2> at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.stopMBeans(MetricsSourceAdapter.java:227) [junit4] 2> at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.stop(MetricsSourceAdapter.java:212) [junit4] 2> at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.stopSources(MetricsSystemImpl.java:461) [junit4] 2> at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.stop(MetricsSystemImpl.java:212) [junit4] 2> at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.shutdown(MetricsSystemImpl.java:592) [junit4] 2> at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.shutdownInstance(DefaultMetricsSystem.java:72) [junit4] 2> at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.shutdown(DefaultMetricsSystem.java:68) [junit4] 2> at org.apache.hadoop.hdfs.server.namenode.metrics.NameNodeMetrics.shutdown(NameNodeMetrics.java:145) [junit4] 2> at org.apache.hadoop.hdfs.server.namenode.NameNode.stop(NameNode.java:822) [junit4] 2> at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1720) [junit4] 2> at org.apache.hadoop.hdfs.MiniDFSCluster.shutdown(MiniDFSCluster.java:1699) [junit4] 2> at org.apache.solr.cloud.hdfs.HdfsTestUtil.teardownClass(HdfsTestUtil.java:197) [junit4] 2> at org.apache.solr.core.HdfsDirectoryFactoryTest.teardownClass(HdfsDirectoryFactoryTest.java:67) [junit4] 2> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [junit4] 2> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) [junit4] 2> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [junit4] 2> at java.lang.reflect.Method.invoke(Method.java:497) [junit4] 2> at com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1627) [junit4] 2> at com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:799) [junit4] 2> at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36) [junit4] 2> at com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57) [junit4] 2> at org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:46) [junit4] 2> at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36) [junit4] 2> at org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:42) [junit4] 2> at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:39) [junit4] 2> at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:39) [junit4] 2> at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36) [junit4] 2> at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36) [junit4] 2> at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36) [junit4] 2> at org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:54) [junit4] 2> at org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:48) [junit4] 2> at org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:65) [junit4] 2> at org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:55) [junit4] 2> at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36) [junit4] 2> at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:365) [junit4] 2> at java.lang.Thread.run(Thread.java:745) [junit4] 2> Caused by: java.lang.NullPointerException [junit4] 2> at org.apache.hadoop.hdfs.server.blockmanagement.BlocksMap.size(BlocksMap.java:198) [junit4] 2> at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.getTotalBlocks(BlockManager.java:3291) [junit4] 2> at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlocksTotal(FSNamesystem.java:6223) [junit4] 2> ... 54 more {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)