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https://issues.apache.org/jira/browse/SOLR-13240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16826788#comment-16826788
]
Tim Owen commented on SOLR-13240:
---------------------------------
At first glance, I think you should have used {{ant jar}} instead of {{ant
compile}} otherwise it may not have actually built the jar file from the code
changes.
I don't know much about the install script, but what I tend to do for testing
small fixes to the code is just use Ant to build the jar and then drop that new
jar in place of the existing one, inside the installation - somewhere it will
have unpacked the Solr distro war file, and the library jars are in e.g.
<top-level-solr-install>/server/solr-webapp/webapp/WEB-INF/lib/ ... you can
replace the jar in there, and restart Solr.
In this case, you're changing the solr-solrj package, and ant compile should
have built the new jar into {{solr/build/solr-solrj/}}
> UTILIZENODE action results in an exception
> ------------------------------------------
>
> Key: SOLR-13240
> URL: https://issues.apache.org/jira/browse/SOLR-13240
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Affects Versions: 7.6
> Reporter: Hendrik Haddorp
> Priority: Major
> Attachments: SOLR-13240.patch
>
>
> 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/[email protected]&q=subject:%22Re%5C%3A+CloudSolrClient+getDocCollection%22&o=newest&f=1
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