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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-13475) Nullpointer-Exception when querying collection through collection alias
Date Mon, 20 May 2019 18:15:01 GMT

    [ https://issues.apache.org/jira/browse/SOLR-13475?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16844181#comment-16844181
] 

ASF subversion and git services commented on SOLR-13475:
--------------------------------------------------------

Commit ed4b789bf422b959559d0558d2dce28e12036d72 in lucene-solr's branch refs/heads/master
from Andrzej Bialecki
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=ed4b789 ]

Add new version number for 8.1.1 release. Move the SOLR-13475 entry to the correct section.


> Nullpointer-Exception when querying collection through collection alias
> -----------------------------------------------------------------------
>
>                 Key: SOLR-13475
>                 URL: https://issues.apache.org/jira/browse/SOLR-13475
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: SolrCloud
>    Affects Versions: 8.1
>            Reporter: Jörn Franke
>            Assignee: Andrzej Bialecki 
>            Priority: Major
>             Fix For: 8.1.1
>
>         Attachments: SOLR-13475.patch, SOLR-13475.patch
>
>
> I tried to upgrade from 8.0 to 8.1. I noticed that there is an issue with collection
aliases, but I am not 100% sure it is due to the upgrade.
>  
> Situation:
> I have a collection called c_testcollection. 
> I have an alias called testcollection.
> Alias "testcollection" points to "c_testcollection".
> On Solr 8.0 no issue to query the collection through its alias "testcollection", e.g
[http://localhost:8983/solr/testcollection/select?q=test]
>  
> After upgrade to Solr 8.1:
> When I do a query on c_testcollection then there is no issue:
> [http://localhost:8983/solr/c_testcollection/select?q=test]
> When I do a query on testcollection then I receive the stacktrace below
> [http://localhost:8983/solr/testcollection/select?q=test]
>  
> Additionally I observe a strange behavior in the admin ui. When I try to create an alias
(e.g. new) for a new collection (e.g. c_new) then it creates two aliases:
> new => c_new
> c_new => c_new
> if i then do a query on the alias new it works without issues. If I remove the alias
from c_new to c_new then I get the same error. Is this desired behaviour?
> It is rather annoying to have unnecessary aliases, because I need to filter them out
in my application when retrieving all aliases.
> Is there a related issue.
>  
> Here the stacktrace:
> {
>   "error":{
>     "trace":"java.lang.NullPointerException\n\tat java.base/java.util.AbstractCollection.addAll(AbstractCollection.java:351)\n\tat
org.apache.solr.common.cloud.Aliases.resolveAliasesGivenAliasMap(Aliases.java:258)\n\tat org.apache.solr.common.cloud.Aliases.resolveAliases(Aliases.java:181)\n\tat
org.apache.solr.servlet.HttpSolrCall.resolveCollectionListOrAlias(HttpSolrCall.java:385)\n\tat
org.apache.solr.servlet.HttpSolrCall.init(HttpSolrCall.java:273)\n\tat org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:486)\n\tat
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:397)\n\tat org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:343)\n\tat
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1602)\n\tat
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540)\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:1588)\n\tat
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)\n\tat org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)\n\tat
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)\n\tat org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)\n\tat
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1557)\n\tat org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)\n\tat
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)\n\tat org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)\n\tat
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:220)\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:502)\n\tat
org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364)\n\tat org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:305)\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.produce(EatWhatYouKill.java:132)\n\tat
org.eclipse.jetty.http2.HTTP2Connection.produce(HTTP2Connection.java:171)\n\tat org.eclipse.jetty.http2.HTTP2Connection.onFillable(HTTP2Connection.java:126)\n\tat
org.eclipse.jetty.http2.HTTP2Connection$FillableCallback.succeeded(HTTP2Connection.java:338)\n\tat
org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)\n\tat org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.onFillable(SslConnection.java:411)\n\tat
org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:305)\n\tat org.eclipse.jetty.io.ssl.SslConnection$2.succeeded(SslConnection.java:159)\n\tat
org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)\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:765)\n\tat org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683)\n\tat
java.base/java.lang.Thread.run(Thread.java:834)\n",
>     "code":500}}
>  



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