[jira] [Resolved] (SOLR-12995) UnsupportedOperationException in HttpSolrCall.getRemotCoreUrl()

["Munendra S N (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-12995?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Munendra S N resolved SOLR-12995.
---------------------------------
       Resolution: Fixed
    Fix Version/s:     (was: 8.2)
                       (was: master (9.0))
                   8.1

Even though SOLR-13407 is reopened, it was part of 8.1 release. Current issue won't occur as new list is created always before adding element - [here|https://github.com/apache/lucene-solr/blob/7ec41d13e6de077b780c6832054fcafdc52004f2/solr/core/src/java/org/apache/solr/servlet/HttpSolrCall.java#L976]

> UnsupportedOperationException in HttpSolrCall.getRemotCoreUrl()
> ---------------------------------------------------------------
>
>                 Key: SOLR-12995
>                 URL: https://issues.apache.org/jira/browse/SOLR-12995
>             Project: Solr
>          Issue Type: Bug
>    Affects Versions: 7.5
>         Environment: Debian 9.3, OpenJDK Runtime Environment (build 1.8.0_181-8u181-b13-2~deb9u1-b13)
>            Reporter: Markus Jelsma
>            Priority: Minor
>             Fix For: 8.1
>
>
> Spotted two of these in the logs of a production server. That collection's other replicas didn't log this error. In all the logs, i have seen only two occurences, just four minutes apart.
> {code}
> 2018-11-07 16:14:04.340 ERROR (qtp831236296-1185) [   ] o.a.s.s.HttpSolrCall null:java.lang.UnsupportedOperationException
>         at java.util.AbstractList.add(AbstractList.java:148)
>         at java.util.AbstractList.add(AbstractList.java:108)
>         at org.apache.solr.servlet.HttpSolrCall.getRemotCoreUrl(HttpSolrCall.java:905)
>         at org.apache.solr.servlet.HttpSolrCall.extractRemotePath(HttpSolrCall.java:431)
>         at org.apache.solr.servlet.HttpSolrCall.init(HttpSolrCall.java:288)
>         at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:469)
>         at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:377)
>         at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:323)
>         at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1634)
>         at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)
>         at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
>         at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
>         at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
>         at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
>         at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
>         at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
>         at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1317)
>         at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
>         at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)
>         at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
>         at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
>         at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1219)
>         at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
>         at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:219)
>         at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126)
>         at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
>         at org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:335)
>         at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
>         at org.eclipse.jetty.server.Server.handle(Server.java:531)
>         at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:352)
>         at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260)
>         at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:281)
>         at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)
>         at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118)
>         at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)
>         at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)
>         at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
>         at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
>         at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
>         at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:762)
>         at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:680)
>         at java.lang.Thread.run(Thread.java:748)
> {code}



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