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https://issues.apache.org/jira/browse/SOLR-12041?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tomás Fernández Löbbe resolved SOLR-12041.
------------------------------------------
Resolution: Fixed
> NPE in ChaosMonkeyNothingIsSafeWithPullReplicasTest
> ---------------------------------------------------
>
> Key: SOLR-12041
> URL: https://issues.apache.org/jira/browse/SOLR-12041
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: Tests
> Reporter: Tomás Fernández Löbbe
> Assignee: Tomás Fernández Löbbe
> Priority: Minor
> Attachments: SOLR-12041.patch, SOLR-12041.patch
>
>
> I found this failure in Steve’s Jenkins
> (http://fucit.org/solr-jenkins-reports/job-data/sarowe/Lucene-Solr-tests-7.x/2910/):
> {noformat}
> [junit4] 2> NOTE: reproduce with: ant test
> -Dtestcase=ChaosMonkeyNothingIsSafeWithPullReplicasTest -Dtests.method=test
> -Dtests.seed=FEC5BFCB68EE30B1 -Dtests.slow=true -Dtests.locale=he-IL
> -Dtests.timezone=Pacific/Midway -Dtests.asserts=true
> -Dtests.file.encoding=UTF-8
> [junit4] ERROR 37.8s J8 |
> ChaosMonkeyNothingIsSafeWithPullReplicasTest.test <<<
> [junit4] > Throwable #1: java.lang.NullPointerException
> [junit4] > at
> __randomizedtesting.SeedInfo.seed([FEC5BFCB68EE30B1:76918011C6125D49]:0)
> [junit4] > at
> org.apache.solr.cloud.AbstractFullDistribZkTestBase.getIndexVersion(AbstractFullDistribZkTestBase.java:2172)
> [junit4] > at
> org.apache.solr.cloud.AbstractFullDistribZkTestBase.waitForReplicationFromReplicas(AbstractFullDistribZkTestBase.java:2110)
> [junit4] > at
> org.apache.solr.cloud.ChaosMonkeyNothingIsSafeWithPullReplicasTest.test(ChaosMonkeyNothingIsSafeWithPullReplicasTest.java:268)
> [junit4] > at
> org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsFixedStatement.callStatement(BaseDistributedSearchTestCase.java:993)
> [junit4] > at
> org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsStatement.evaluate(BaseDistributedSearchTestCase.java:968)
> [junit4] > at java.lang.Thread.run(Thread.java:748)
> {noformat}
> It seems to be caused by this code:
> {code:java}
> for(Slice s:collection.getSlices()) {
> Replica leader = s.getLeader();
> long leaderIndexVersion = -1;
> while (!timeout.hasTimedOut()) {
> —> leaderIndexVersion = getIndexVersion(leader);
> {code}
> and I believe the problem is that the shard may not have a leader at the time
> of this check.
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