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From Tomás Fernández Löbbe (JIRA) <j...@apache.org>
Subject [jira] [Updated] (SOLR-12041) NPE in ChaosMonkeyNothingIsSafeWithPullReplicasTest
Date Tue, 27 Feb 2018 21:05:00 GMT

     [ https://issues.apache.org/jira/browse/SOLR-12041?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tomás Fernández Löbbe updated SOLR-12041:
-----------------------------------------
    Attachment: SOLR-12041.patch

> 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
>
>
> 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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