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https://issues.apache.org/jira/browse/SOLR-13240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16881150#comment-16881150
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Christine Poerschke edited comment on SOLR-13240 at 7/9/19 11:37 AM:
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bq. ... As for attribution, "Richard Goodman" is fine. Tim also helped on this,
if he isn't included as well ...
Great, thanks for clarifying! Yes, customarily attribution would be for both of
you, of course. And [~HendrikH] too of course for issue creation and diagnosing
here.
Next step here will be for {{Lucene/Solr QA}} Jenkins to add feedback to the
ticket here -- https://builds.apache.org/job/PreCommit-SOLR-Build/ -- that
should happen automatically.
was (Author: cpoerschke):
bq. ... As for attribution, "Richard Goodman" is fine. Tim also helped on this,
if he isn't included as well ...
Great, thanks for clarifying! Yes, customarily attribution would be for both of
you, of course.
Next step here will be for {{Lucene/Solr QA}} Jenkins to add feedback to the
ticket here -- https://builds.apache.org/job/PreCommit-SOLR-Build/ -- that
should happen automatically.
> UTILIZENODE action results in an exception
> ------------------------------------------
>
> Key: SOLR-13240
> URL: https://issues.apache.org/jira/browse/SOLR-13240
> Project: Solr
> Issue Type: Bug
> Components: AutoScaling
> Affects Versions: 7.6
> Reporter: Hendrik Haddorp
> Priority: Major
> Attachments: SOLR-13240.patch, SOLR-13240.patch, solr-solrj-7.5.0.jar
>
>
> When I invoke the UTILIZENODE action the REST call fails like this after it
> moved a few replicas:
> {
> "responseHeader":{
> "status":500,
> "QTime":40220},
> "Operation utilizenode caused
> exception:":"java.lang.IllegalArgumentException:java.lang.IllegalArgumentException:
> Comparison method violates its general contract!",
> "exception":{
> "msg":"Comparison method violates its general contract!",
> "rspCode":-1},
> "error":{
> "metadata":[
> "error-class","org.apache.solr.common.SolrException",
> "root-error-class","org.apache.solr.common.SolrException"],
> "msg":"Comparison method violates its general contract!",
> "trace":"org.apache.solr.common.SolrException: Comparison method violates
> its general contract!\n\tat
> org.apache.solr.client.solrj.SolrResponse.getException(SolrResponse.java:53)\n\tat
>
> org.apache.solr.handler.admin.CollectionsHandler.invokeAction(CollectionsHandler.java:274)\n\tat
>
> org.apache.solr.handler.admin.CollectionsHandler.handleRequestBody(CollectionsHandler.java:246)\n\tat
>
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:199)\n\tat
>
> org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:734)\n\tat
> org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:715)\n\tat
> org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:496)\n\tat
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:377)\n\tat
>
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:323)\n\tat
>
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1634)\n\tat
>
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)\n\tat
>
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)\n\tat
>
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)\n\tat
>
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)\n\tat
>
> org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)\n\tat
>
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)\n\tat
>
> org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)\n\tat
>
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1317)\n\tat
>
> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)\n\tat
>
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)\n\tat
>
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)\n\tat
>
> org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)\n\tat
>
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1219)\n\tat
>
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)\n\tat
>
> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:219)\n\tat
>
> org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126)\n\tat
>
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)\n\tat
>
> org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:335)\n\tat
>
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)\n\tat
> org.eclipse.jetty.server.Server.handle(Server.java:531)\n\tat
> org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:352)\n\tat
> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260)\n\tat
>
> org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:281)\n\tat
> org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)\n\tat
> org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118)\n\tat
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)\n\tat
>
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)\n\tat
>
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)\n\tat
>
> org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)\n\tat
>
> org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)\n\tat
>
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:762)\n\tat
>
> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:680)\n\tat
> java.lang.Thread.run(Thread.java:748)\n",
> "code":500}}
> The logs show this additional exception:
> 2019-02-10 00:09:00.539 ERROR
> (OverseerThreadFactory-1268-thread-38-processing-n:agent2:9151_solr) [ ]
> o.a.s.c.a.c.OverseerCollectionMessageHandler Operation utilizenode
> failed:java.lang.IllegalArgumentException: Comparison method violates its
> general contract!
> at java.util.TimSort.mergeLo(TimSort.java:777)
> at java.util.TimSort.mergeAt(TimSort.java:514)
> at java.util.TimSort.mergeCollapse(TimSort.java:439)
> at java.util.TimSort.sort(TimSort.java:245)
> at java.util.Arrays.sort(Arrays.java:1512)
> at java.util.ArrayList.sort(ArrayList.java:1462)
> at
> org.apache.solr.client.solrj.cloud.autoscaling.MoveReplicaSuggester.tryEachNode(MoveReplicaSuggester.java:50)
> at
> org.apache.solr.client.solrj.cloud.autoscaling.MoveReplicaSuggester.init(MoveReplicaSuggester.java:38)
> at
> org.apache.solr.client.solrj.cloud.autoscaling.Suggester.getSuggestion(Suggester.java:187)
> at
> org.apache.solr.cloud.api.collections.UtilizeNodeCmd.call(UtilizeNodeCmd.java:100)
> at
> org.apache.solr.cloud.api.collections.OverseerCollectionMessageHandler.processMessage(OverseerCollectionMessageHandler.java:259)
> at
> org.apache.solr.cloud.OverseerTaskProcessor$Runner.run(OverseerTaskProcessor.java:478)
> at
> org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:209)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> I suspect this to be caused by this comparator:
> https://github.com/apache/lucene-solr/blob/master/solr/solrj/src/java/org/apache/solr/client/solrj/cloud/autoscaling/MoveReplicaSuggester.java#L98
> In case it is possible that both compared replicas are leaders the result
> would not be correct.
> see also the mail thread about this:
> https://www.mail-archive.com/search?l=solr-u...@lucene.apache.org&q=subject:%22Re%5C%3A+CloudSolrClient+getDocCollection%22&o=newest&f=1
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