Details
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Bug
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Status: Resolved
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Major
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Resolution: Fixed
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2.6.0
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None
Description
FtAfter 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.
[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