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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14278) Fix NPE that is showing up since HBASE-14274 went in
Date Wed, 16 Sep 2015 16:47:46 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14790710#comment-14790710
] 

stack commented on HBASE-14278:
-------------------------------

kalashnikov:hbase.git.commit stack$ python dev-support/findHangingTests.py  https://builds.apache.org/job/PreCommit-HBASE-Build/15617/consoleText
Fetching the console output from the URL
Printing hanging tests
Printing Failing tests
Failing test : org.apache.hadoop.hbase.mapreduce.TestHFileOutputFormat
Failing test : org.apache.hadoop.hbase.client.TestReplicaWithCluster

TestReplicaWithCluster I see is showing up as a hang. I'll take a look. The other failure
loooks unrelated. I'll look at that too.

+1 on patch. This emission is ugly currently spewing all over test runs. Thanks [~eclark]

On commit, shove e.getMessage on the end of this log just so we can be sure it that old faithful,
the NPE: 

76	    } catch (Exception e) {
77	      // Ignored. If this errors out it means that someone is double
78	      // closing the region source and the region is already nulled out.
79	      LOG.info("Error trying to remove " + toRemove + " from " + this.getClass().getSimpleName());
80	    }


> Fix NPE that is showing up since HBASE-14274 went in
> ----------------------------------------------------
>
>                 Key: HBASE-14278
>                 URL: https://issues.apache.org/jira/browse/HBASE-14278
>             Project: HBase
>          Issue Type: Sub-task
>          Components: test
>    Affects Versions: 2.0.0, 1.2.0, 1.3.0
>            Reporter: stack
>            Assignee: Elliott Clark
>             Fix For: 2.0.0, 1.2.0, 1.3.0
>
>         Attachments: HBASE-14278-v1.patch, HBASE-14278-v2.patch, HBASE-14278-v3.patch,
HBASE-14278-v4.patch, HBASE-14278-v5.patch, HBASE-14278.patch
>
>
> Saw this in TestDistributedLogSplitting after HBASE-14274 was applied.
> {code}
> 119113 2015-08-20 15:31:10,704 WARN  [HBase-Metrics2-1] impl.MetricsConfig(124): Cannot
locate configuration: tried hadoop-metrics2-hbase.properties,hadoop-metrics2.properties
> 119114 2015-08-20 15:31:10,710 ERROR [HBase-Metrics2-1] lib.MethodMetric$2(118): Error
invoking method getBlocksTotal
> 119115 java.lang.reflect.InvocationTargetException
> 119116 ›   at sun.reflect.GeneratedMethodAccessor72.invoke(Unknown Source)
> 119117 ›   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 119118 ›   at java.lang.reflect.Method.invoke(Method.java:606)
> 119119 ›   at org.apache.hadoop.metrics2.lib.MethodMetric$2.snapshot(MethodMetric.java:111)
> 119120 ›   at org.apache.hadoop.metrics2.lib.MethodMetric.snapshot(MethodMetric.java:144)
> 119121 ›   at org.apache.hadoop.metrics2.lib.MetricsRegistry.snapshot(MetricsRegistry.java:387)
> 119122 ›   at org.apache.hadoop.metrics2.lib.MetricsSourceBuilder$1.getMetrics(MetricsSourceBuilder.java:79)
> 119123 ›   at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.getMetrics(MetricsSourceAdapter.java:195)
> 119124 ›   at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.updateJmxCache(MetricsSourceAdapter.java:172)
> 119125 ›   at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.getMBeanInfo(MetricsSourceAdapter.java:151)
> 119126 ›   at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getNewMBeanClassName(DefaultMBeanServerInterceptor.java:333)
> 119127 ›   at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:319)
> 119128 ›   at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:522)
> 119129 ›   at org.apache.hadoop.metrics2.util.MBeans.register(MBeans.java:57)
> 119130 ›   at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.startMBeans(MetricsSourceAdapter.java:221)
> 119131 ›   at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.start(MetricsSourceAdapter.java:96)
> 119132 ›   at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.registerSource(MetricsSystemImpl.java:245)
> 119133 ›   at org.apache.hadoop.metrics2.impl.MetricsSystemImpl$1.postStart(MetricsSystemImpl.java:229)
> 119134 ›   at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source)
> 119135 ›   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 119136 ›   at java.lang.reflect.Method.invoke(Method.java:606)
> 119137 ›   at org.apache.hadoop.metrics2.impl.MetricsSystemImpl$3.invoke(MetricsSystemImpl.java:290)
> 119138 ›   at com.sun.proxy.$Proxy13.postStart(Unknown Source)
> 119139 ›   at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.start(MetricsSystemImpl.java:185)
> 119140 ›   at org.apache.hadoop.metrics2.impl.JmxCacheBuster$JmxCacheBusterRunnable.run(JmxCacheBuster.java:81)
> 119141 ›   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> 119142 ›   at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> 119143 ›   at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
> 119144 ›   at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
> 119145 ›   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 119146 ›   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 119147 ›   at java.lang.Thread.run(Thread.java:744)
> 119148 Caused by: java.lang.NullPointerException
> 119149 ›   at org.apache.hadoop.hdfs.server.blockmanagement.BlocksMap.size(BlocksMap.java:198)
> 119150 ›   at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.getTotalBlocks(BlockManager.java:3158)
> 119151 ›   at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlocksTotal(FSNamesystem.java:5652)
> 119152 ›   ... 32 more
> {code}



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