Alex Deparvu created SOLR-16848:
-----------------------------------
Summary: Flaky
DeleteReplicaTest.raceConditionOnDeleteAndRegisterReplica
Key: SOLR-16848
URL: https://issues.apache.org/jira/browse/SOLR-16848
Project: Solr
Issue Type: Improvement
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Alex Deparvu
Some stats first:
- Past 7 days trend:
Class: org.apache.solr.cloud.DeleteReplicaTest
Method: raceConditionOnDeleteAndRegisterReplica
Failures: 11.22% (44 / 392)
- Test failure is caused by a NullPointerException:
{noformat}
ERROR (coreZkRegister-772-thread-1-processing-127.0.0.1:40471_solr)
[n:127.0.0.1:40471_solr c:raceDeleteReplicaCollection s:shard1 r:core_node4
x:raceDeleteReplicaCollection_shard1_replica_n2] o.a.s.c.DeleteReplicaTest
Failed to delete replica
=> java.lang.NullPointerException: Cannot invoke
"org.apache.solr.core.CoreContainer.getZkController()" because the return value
of "org.apache.solr.embedded.JettySolrRunner.getCoreContainer()" is null
{noformat}
a more complete trace
{noformat}
o.a.s.c.DeleteReplicaTest Failed to delete replica
2> => java.lang.NullPointerException
2> at
org.apache.solr.cloud.DeleteReplicaTest.lambda$raceConditionOnDeleteAndRegisterReplica$10(DeleteReplicaTest.java:350)
2> java.lang.NullPointerException: null
2> at
org.apache.solr.cloud.DeleteReplicaTest.lambda$raceConditionOnDeleteAndRegisterReplica$10(DeleteReplicaTest.java:350)
2> at
org.apache.solr.core.ZkContainer.lambda$registerInZk$1(ZkContainer.java:211)
[main/:?]
2> at
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:289)
2> at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
[?:?]
2> at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
[?:?]
2> at java.lang.Thread.run(Thread.java:829) [?:?]
o.a.s.c.u.ExecutorUtil Uncaught exception java.lang.AssertionError: Failed to
delete replica thrown by thread:
coreZkRegister-1586-thread-1-processing-127.0.0.1:34497_solr
2> => java.lang.Exception: Submitter stack trace
2> at
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:256)
java.lang.Exception: Submitter stack trace
2> at
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:256)
2> at org.apache.solr.core.ZkContainer.registerInZk(ZkContainer.java:244)
~[main/:?]
2> at
org.apache.solr.core.CoreContainer.lambda$loadInternal$12(CoreContainer.java:1025)
2> at
com.codahale.metrics.InstrumentedExecutorService$InstrumentedCallable.call(InstrumentedExecutorService.java:234)
2> at java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[?:?]
2> at
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:289)
2> at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
[?:?]
2> at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
[?:?]
2> at java.lang.Thread.run(Thread.java:829) [?:?]
Caused by: java.lang.Exception: Submitter stack trace
2> at
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:256)
2> at
java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140)
~[?:?]
2> at
com.codahale.metrics.InstrumentedExecutorService.submit(InstrumentedExecutorService.java:122)
2> at
org.apache.solr.core.CoreContainer.loadInternal(CoreContainer.java:1009)
~[main/:?]
2> at org.apache.solr.core.CoreContainer.load(CoreContainer.java:753)
2> at
org.apache.solr.servlet.CoreContainerProvider.createCoreContainer(CoreContainerProvider.java:411)
2> at
org.apache.solr.servlet.CoreContainerProvider.init(CoreContainerProvider.java:230)
2> at
org.apache.solr.embedded.JettySolrRunner$1.lifeCycleStarted(JettySolrRunner.java:407)
{noformat}
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