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Posted to dev@lucene.apache.org by "ASF subversion and git services (JIRA)" <ji...@apache.org> on 2014/09/23 21:20:34 UTC
[jira] [Commented] (SOLR-6347) 'deletereplica' can throw a
NullPointerException
[ https://issues.apache.org/jira/browse/SOLR-6347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14145278#comment-14145278 ]
ASF subversion and git services commented on SOLR-6347:
-------------------------------------------------------
Commit 1627122 from [~noble.paul] in branch 'dev/trunk'
[ https://svn.apache.org/r1627122 ]
related to the failures seen here SOLR-6347
> 'deletereplica' can throw a NullPointerException
> ------------------------------------------------
>
> Key: SOLR-6347
> URL: https://issues.apache.org/jira/browse/SOLR-6347
> Project: Solr
> Issue Type: Bug
> Components: SolrCloud
> Affects Versions: 4.10
> Reporter: Ralph Tice
> Assignee: Anshum Gupta
> Priority: Minor
> Attachments: SOLR-6347.patch, SOLR-6347.patch
>
>
> Occasionally, but not always, when I invoke DELETEREPLICA I get a NPE. I suspect it is a race condition when the core finishes deleting while the overseer is checking for it?
> Client response:
> curl "http://localhost:8983/solr/admin/collections?action=DELETEREPLICA&collection=mycollection&shard=tmp_shard&replica=core_node1"
> <?xml version="1.0" encoding="UTF-8"?>
> <response>
> <lst name="responseHeader"><int name="status">500</int><int name="QTime">3712</int></lst><lst name="success"><lst><lst name="responseHeader"><int name="status">0</int><int name="QTime">27</int></lst></lst></lst><str name="Operation deletereplica caused exception:">java.lang.NullPointerException:java.lang.NullPointerException</str><lst name="exception"><null name="msg"/><int name="rspCode">-1</int></lst><lst name="error"><str name="trace">org.apache.solr.common.SolrException
> at org.apache.solr.handler.admin.CollectionsHandler.handleResponse(CollectionsHandler.java:364)
> at org.apache.solr.handler.admin.CollectionsHandler.handleResponse(CollectionsHandler.java:320)
> at org.apache.solr.handler.admin.CollectionsHandler.handleRemoveReplica(CollectionsHandler.java:494)
> at org.apache.solr.handler.admin.CollectionsHandler.handleRequestBody(CollectionsHandler.java:184)
> at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135)
> at org.apache.solr.servlet.SolrDispatchFilter.handleAdminRequest(SolrDispatchFilter.java:729)
> at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:267)
> at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:207)
> at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1419)
> at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:455)
> at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
> at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557)
> at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
> at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1075)
> at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:384)
> at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
> at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1009)
> at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
> at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
> at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:154)
> at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
> at org.eclipse.jetty.server.Server.handle(Server.java:368)
> at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489)
> at org.eclipse.jetty.server.BlockingHttpConnection.handleRequest(BlockingHttpConnection.java:53)
> at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:942)
> at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1004)
> at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:640)
> at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
> at org.eclipse.jetty.server.BlockingHttpConnection.handle(BlockingHttpConnection.java:72)
> at org.eclipse.jetty.server.bio.SocketConnector$ConnectorEndPoint.run(SocketConnector.java:264)
> at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
> at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
> at java.lang.Thread.run(Thread.java:744)
> </str><int name="code">500</int></lst>
> </response>
> Server log:
> 21:06:05.368 [OverseerThreadFactory-6-thread-5] WARN o.a.s.c.OverseerCollectionProcessor - OverseerCollectionProcessor.processMessage : deletereplica , {
> "operation":"deletereplica",
> "collection":"mycollection",
> "shard":"tmp_shard",
> "replica":"core_node1"}
> 21:06:05.602 [OverseerThreadFactory-6-thread-5] ERROR o.a.s.c.OverseerCollectionProcessor - Collection deletereplica of deletereplica failed:java.lang.NullPointerException
> at org.apache.solr.cloud.OverseerCollectionProcessor.waitForCoreNodeGone(OverseerCollectionProcessor.java:911)
> at org.apache.solr.cloud.OverseerCollectionProcessor.deleteReplica(OverseerCollectionProcessor.java:899)
> at org.apache.solr.cloud.OverseerCollectionProcessor.processMessage(OverseerCollectionProcessor.java:573)
> at org.apache.solr.cloud.OverseerCollectionProcessor$Runner.run(OverseerCollectionProcessor.java:2619)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:744)
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