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https://issues.apache.org/jira/browse/TEPHRA-239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16131167#comment-16131167
]
ASF GitHub Bot commented on TEPHRA-239:
---------------------------------------
GitHub user gokulavasan opened a pull request:
https://github.com/apache/incubator-tephra/pull/46
TEPHRA-239 Fix NPE by waiting for the service to startup
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/gokulavasan/incubator-tephra
feature/tephra-239
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-tephra/pull/46.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #46
----
commit 67bf7846e3928c1197db4287d317cb8a44c78d19
Author: Gokul Gunasekaran <[email protected]>
Date: 2017-08-17T17:38:21Z
TEPHRA-239 Fix NPE by waiting for the service to startup
----
> Null pointer exception in TransactionStateCache
> -----------------------------------------------
>
> Key: TEPHRA-239
> URL: https://issues.apache.org/jira/browse/TEPHRA-239
> Project: Tephra
> Issue Type: Bug
> Reporter: Samarth Jain
> Assignee: Poorna Chandra
>
> In our Phoenix test runs we have seen the following NPE in
> TransactionStateCache.
> {code}
> 2017-07-19 18:57:56,136 INFO [tx-state-refresh]
> org.apache.tephra.coprocessor.TransactionStateCache$1(144): Exiting thread
> tx-state-refresh
> 2017-07-19 18:57:56,138 ERROR [TransactionStateCache STOPPING]
> org.apache.zookeeper.server.NIOServerCnxnFactory$1(44): Thread
> Thread[TransactionStateCache STOPPING,5,main] died
> java.lang.NullPointerException
> at
> org.apache.tephra.coprocessor.TransactionStateCache.shutDown(TransactionStateCache.java:85)
> at
> com.google.common.util.concurrent.AbstractIdleService$1$2.run(AbstractIdleService.java:57)
> at java.lang.Thread.run(Thread.java:745)
> 2017-07-19 18:57:56,138 WARN [RS_CLOSE_REGION-pietas:52618-2]
> org.apache.tephra.coprocessor.ReferenceCountedSupplier(89): Exception while
> trying to stop Service TransactionStateCache.
> com.google.common.util.concurrent.UncheckedExecutionException:
> java.lang.NullPointerException
> at
> com.google.common.util.concurrent.Futures.wrapAndThrowUnchecked(Futures.java:1015)
> at
> com.google.common.util.concurrent.Futures.getUnchecked(Futures.java:1001)
> at
> com.google.common.util.concurrent.AbstractService.stopAndWait(AbstractService.java:225)
> at
> com.google.common.util.concurrent.AbstractIdleService.stopAndWait(AbstractIdleService.java:122)
> at
> org.apache.tephra.coprocessor.ReferenceCountedSupplier.release(ReferenceCountedSupplier.java:86)
> at
> org.apache.tephra.coprocessor.TransactionStateCacheSupplier.release(TransactionStateCacheSupplier.java:61)
> at
> org.apache.tephra.hbase.coprocessor.TransactionProcessor.stop(TransactionProcessor.java:182)
> at
> org.apache.phoenix.coprocessor.DelegateRegionObserver.stop(DelegateRegionObserver.java:82)
> at
> org.apache.hadoop.hbase.coprocessor.CoprocessorHost$Environment.shutdown(CoprocessorHost.java:433)
> at
> org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$RegionEnvironment.shutdown(RegionCoprocessorHost.java:152)
> at
> org.apache.hadoop.hbase.coprocessor.CoprocessorHost.shutdown(CoprocessorHost.java:274)
> at
> org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$5.postEnvCall(RegionCoprocessorHost.java:512)
> at
> org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.execOperation(RegionCoprocessorHost.java:1761)
> at
> org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.postClose(RegionCoprocessorHost.java:505)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.doClose(HRegion.java:1542)
> at org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:1381)
> at
> org.apache.hadoop.hbase.regionserver.handler.CloseRegionHandler.process(CloseRegionHandler.java:138)
> at
> org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:129)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.NullPointerException
> at
> org.apache.tephra.coprocessor.TransactionStateCache.shutDown(TransactionStateCache.java:85)
> at
> com.google.common.util.concurrent.AbstractIdleService$1$2.run(AbstractIdleService.java:57)
> ... 1 more
> 2017-07-19 18:57:56,139 DEBUG [RS_CLOSE_REGION-pietas:52618-2]
> org.apache.hadoop.hbase.coprocessor.CoprocessorHost(272): Stop coprocessor
> org.apache.phoenix.coprocessor.ServerCachingEndpointImpl
> 2017-07-19 18:57:56,139 DEBUG [RS_CLOSE_REGION-pietas:52618-2]
> org.apache.hadoop.hbase.coprocessor.CoprocessorHost(272): Stop coprocessor
> org.apache.phoenix.coprocessor.GroupedAggregateRegionObserver
> 2017-07-19 18:
> {code}
> Test run:
> https://builds.apache.org/job/Phoenix-master/1699/testReport/junit/org.apache.phoenix.end2end/ViewIT/testNonSaltedUpdatableViewWithIndex_transactional___false_/
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