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https://issues.apache.org/jira/browse/SOLR-11278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16145553#comment-16145553
]
Amrit Sarkar edited comment on SOLR-11278 at 8/30/17 12:00 PM:
---------------------------------------------------------------
[~varunthacker] [~erickerickson] :: This is on Solr Version: 6.3
Yes you are right. This solution is not full-proofed.
I am able to narrow down one problem, still no solution on the way:
{code}
[junit4] 2> 93761 ERROR
(recoveryExecutor-5-thread-1-processing-n:127.0.0.1:55637_solr
x:cdcr-target_shard1_replica1 s:shard1 c:cdcr-target r:core_node1)
[n:127.0.0.1:55637_solr c:cdcr-target s:shard1 r:core_node1
x:cdcr-target_shard1_replica1] o.a.s.h.ReplicationHandler Index fetch failed
:org.apache.solr.common.SolrException: Index fetch failed :
[junit4] 2> at
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:540)
[junit4] 2> at
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:251)
[junit4] 2> at
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:397)
[junit4] 2> at
org.apache.solr.handler.CdcrRequestHandler$BootstrapCallable.call(CdcrRequestHandler.java:758)
[junit4] 2> at
org.apache.solr.handler.CdcrRequestHandler$BootstrapCallable.call(CdcrRequestHandler.java:713)
[junit4] 2> at
java.util.concurrent.FutureTask.run(FutureTask.java:266)
[junit4] 2> at
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:229)
[junit4] 2> at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
[junit4] 2> at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
[junit4] 2> at java.lang.Thread.run(Thread.java:745)
[junit4] 2> Caused by: java.lang.NullPointerException
[junit4] 2> at
org.apache.solr.handler.IndexFetcher.openNewSearcherAndUpdateCommitPoint(IndexFetcher.java:753)
[junit4] 2> at
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:517)
[junit4] 2> ... 9 more
[junit4] 2>
{code}
The problem is with *{{target.shutdown}}*. While doing target shutdown, it
doesn't shutdown properly.
{code}
[junit4] 2> 67512 INFO (coreCloseExecutor-49-thread-1)
[n:127.0.0.1:55637_solr c:cdcr-target s:shard1 r:core_node1
x:cdcr-target_shard1_replica1] o.a.s.h.CdcrRequestHandler Solr core is being
closed - shutting down CDCR handler @ cdcr-target:shard1
[junit4] 2> 67515 WARN
(updateExecutor-4-thread-1-processing-n:127.0.0.1:55637_solr
x:cdcr-target_shard1_replica1 s:shard1 c:cdcr-target r:core_node1)
[n:127.0.0.1:55637_solr c:cdcr-target s:shard1 r:core_node1
x:cdcr-target_shard1_replica1] o.a.s.h.CdcrRequestHandler Bootstrap was
interrupted
[junit4] 2> java.lang.InterruptedException
[junit4] 2> at
java.util.concurrent.FutureTask.awaitDone(FutureTask.java:404)
[junit4] 2> at
java.util.concurrent.FutureTask.get(FutureTask.java:191)
[junit4] 2> at
org.apache.solr.handler.CdcrRequestHandler.lambda$handleBootstrapAction$0(CdcrRequestHandler.java:644)
[junit4] 2> at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[junit4] 2> at
java.util.concurrent.FutureTask.run(FutureTask.java:266)
[junit4] 2> at
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:229)
[junit4] 2> at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
[junit4] 2> at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
[junit4] 2> at java.lang.Thread.run(Thread.java:745)
{code}
and the core gets reloaded and throws NPE. I am diving into this properly, but
it have a feeling this is a machine specific issue as we didn't see much of
these in Jenkins failures as mentioned by Varun.
was (Author: [email protected]):
[~varunthacker] [~erickerickson]
Yes you are right. This solution is not full-proofed.
I am able to narrow down one problem, still no solution on the way:
{code}
[junit4] 2> 93761 ERROR
(recoveryExecutor-5-thread-1-processing-n:127.0.0.1:55637_solr
x:cdcr-target_shard1_replica1 s:shard1 c:cdcr-target r:core_node1)
[n:127.0.0.1:55637_solr c:cdcr-target s:shard1 r:core_node1
x:cdcr-target_shard1_replica1] o.a.s.h.ReplicationHandler Index fetch failed
:org.apache.solr.common.SolrException: Index fetch failed :
[junit4] 2> at
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:540)
[junit4] 2> at
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:251)
[junit4] 2> at
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:397)
[junit4] 2> at
org.apache.solr.handler.CdcrRequestHandler$BootstrapCallable.call(CdcrRequestHandler.java:758)
[junit4] 2> at
org.apache.solr.handler.CdcrRequestHandler$BootstrapCallable.call(CdcrRequestHandler.java:713)
[junit4] 2> at
java.util.concurrent.FutureTask.run(FutureTask.java:266)
[junit4] 2> at
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:229)
[junit4] 2> at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
[junit4] 2> at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
[junit4] 2> at java.lang.Thread.run(Thread.java:745)
[junit4] 2> Caused by: java.lang.NullPointerException
[junit4] 2> at
org.apache.solr.handler.IndexFetcher.openNewSearcherAndUpdateCommitPoint(IndexFetcher.java:753)
[junit4] 2> at
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:517)
[junit4] 2> ... 9 more
[junit4] 2>
{code}
The problem is with *{{target.shutdown}}*. While doing target shutdown, it
doesn't shutdown properly.
{code}
[junit4] 2> 67512 INFO (coreCloseExecutor-49-thread-1)
[n:127.0.0.1:55637_solr c:cdcr-target s:shard1 r:core_node1
x:cdcr-target_shard1_replica1] o.a.s.h.CdcrRequestHandler Solr core is being
closed - shutting down CDCR handler @ cdcr-target:shard1
[junit4] 2> 67515 WARN
(updateExecutor-4-thread-1-processing-n:127.0.0.1:55637_solr
x:cdcr-target_shard1_replica1 s:shard1 c:cdcr-target r:core_node1)
[n:127.0.0.1:55637_solr c:cdcr-target s:shard1 r:core_node1
x:cdcr-target_shard1_replica1] o.a.s.h.CdcrRequestHandler Bootstrap was
interrupted
[junit4] 2> java.lang.InterruptedException
[junit4] 2> at
java.util.concurrent.FutureTask.awaitDone(FutureTask.java:404)
[junit4] 2> at
java.util.concurrent.FutureTask.get(FutureTask.java:191)
[junit4] 2> at
org.apache.solr.handler.CdcrRequestHandler.lambda$handleBootstrapAction$0(CdcrRequestHandler.java:644)
[junit4] 2> at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[junit4] 2> at
java.util.concurrent.FutureTask.run(FutureTask.java:266)
[junit4] 2> at
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:229)
[junit4] 2> at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
[junit4] 2> at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
[junit4] 2> at java.lang.Thread.run(Thread.java:745)
{code}
and the core gets reloaded and throws NPE. I am diving into this properly, but
it have a feeling this is a machine specific issue as we didn't see much of
these in Jenkins failures as mentioned by Varun.
> CdcrBootstrapTest failing in branch_6_6
> ---------------------------------------
>
> 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
> Reporter: Amrit Sarkar
> Assignee: Varun Thacker
> Attachments: SOLR-11278.patch, test_results
>
>
> I ran beast for 10 rounds:
> ant beast -Dtestcase=CdcrBootstrapTest -Dtests.multiplier=2 -Dtests.slow=true
> -Dtests.locale=vi -Dtests.timezone=Asia/Yekaterinburg -Dtests.asserts=true
> -Dtests.file.encoding=US-ASCII -Dbeast.iters=10
> and seeing following failure:
> {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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