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https://issues.apache.org/jira/browse/SOLR-11278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16195727#comment-16195727
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Erick Erickson commented on SOLR-11278:
---------------------------------------
Amrit:
One strategy is to put debugging only code into master (not 7x) to test
hypotheses. Be sure to track it carefully and take it out as soon as you can of
course.
> Fix race in cdcr bootstrap process
> ----------------------------------
>
> Key: SOLR-11278
> URL: https://issues.apache.org/jira/browse/SOLR-11278
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: CDCR
> Affects Versions: 6.6.1, 7.0
> Reporter: Amrit Sarkar
> Assignee: Varun Thacker
> Priority: Critical
> Labels: test
> Fix For: 7.1
>
> Attachments: master-bs.patch, SOLR-11278-awaits-fix.patch,
> SOLR-11278-cancel-bootstrap-on-stop.patch, SOLR-11278.patch,
> SOLR-11278.patch, SOLR-11278.patch, SOLR-11278.patch, test_results
>
>
> {{CdcrBootstrapTest}} is failing while running beasts for significant
> iterations.
> The bootstrapping is failing in the test, after the first batch is indexed
> for each {{testmethod}}, which results in documents mismatch ::
> {code}
> [beaster] 2> 39167 ERROR
> (updateExecutor-39-thread-1-processing-n:127.0.0.1:42155_solr
> x:cdcr-target_shard1_replica_n1 s:shard1 c:cdcr-target r:core_node2)
> [n:127.0.0.1:42155_solr c:cdcr-target s:shard1 r:core_node2
> x:cdcr-target_shard1_replica_n1] o.a.s.h.CdcrRequestHandler Bootstrap
> operation failed
> [beaster] 2> java.util.concurrent.ExecutionException:
> java.lang.AssertionError
> [beaster] 2> at
> java.util.concurrent.FutureTask.report(FutureTask.java:122)
> [beaster] 2> at
> java.util.concurrent.FutureTask.get(FutureTask.java:192)
> [beaster] 2> at
> org.apache.solr.handler.CdcrRequestHandler.lambda$handleBootstrapAction$0(CdcrRequestHandler.java:654)
> [beaster] 2> at
> com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
> [beaster] 2> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> [beaster] 2> at
> java.util.concurrent.FutureTask.run(FutureTask.java:266)
> [beaster] 2> at
> org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:188)
> [beaster] 2> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> [beaster] 2> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> [beaster] 2> at java.lang.Thread.run(Thread.java:748)
> [beaster] 2> Caused by: java.lang.AssertionError
> [beaster] 2> at
> org.apache.solr.handler.CdcrRequestHandler$BootstrapCallable.call(CdcrRequestHandler.java:813)
> [beaster] 2> at
> org.apache.solr.handler.CdcrRequestHandler$BootstrapCallable.call(CdcrRequestHandler.java:724)
> [beaster] 2> at
> com.codahale.metrics.InstrumentedExecutorService$InstrumentedCallable.call(InstrumentedExecutorService.java:197)
> [beaster] 2> ... 5 more
> {code}
> {code}
> [beaster] [01:37:16.282] FAILURE 153s |
> CdcrBootstrapTest.testBootstrapWithSourceCluster <<<
> [beaster] > Throwable #1: java.lang.AssertionError: Document mismatch on
> target after sync expected:<2000> but was:<1000>
> {code}
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