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Posted to dev@lucene.apache.org by "Andrew Kuchling (JIRA)" <ji...@apache.org> on 2016/07/29 13:57:20 UTC
[jira] [Commented] (SOLR-6744) fl renaming / alias of uniqueKey
field generates null pointer exception in SolrCloud configuration
[ https://issues.apache.org/jira/browse/SOLR-6744?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15399369#comment-15399369 ]
Andrew Kuchling commented on SOLR-6744:
---------------------------------------
The bug is still present in Solr 6.1.
> fl renaming / alias of uniqueKey field generates null pointer exception in SolrCloud configuration
> --------------------------------------------------------------------------------------------------
>
> Key: SOLR-6744
> URL: https://issues.apache.org/jira/browse/SOLR-6744
> Project: Solr
> Issue Type: Bug
> Components: SolrCloud
> Affects Versions: 4.10.1
> Environment: Multiple replicas on SolrCloud config. This specific example with 4 shard, 3 replica per shard config. This bug does NOT exist when query is handled by single core.
> Reporter: Garth Grimm
> Priority: Minor
>
> If trying to rename the uniqueKey field using 'fl' in a distributed query (ie: SolrCloud config), an NPE is thrown.
> The workarround is to redundently request the uniqueKey field, once with the desired alias, and once with the original name
> Example...
> http://localhost:8983/solr/cloudcollection/select?q=*%3A*&wt=xml&indent=true&fl=key:id
> Work around:
> http://localhost:8983/solr/cloudcollection/select?q=*%3A*&wt=xml&indent=true&fl=key:id&fl=id
> Error w/o work around...
> {code}
> <response><lst name="responseHeader"><int name="status">500</int><int name="QTime">11</int><lst name="params"><str name="q">*:*</str><str name="indent">true</str><str name="fl">key:id</str><str name="wt">xml</str></lst></lst><lst name="error"><str name="trace">java.lang.NullPointerException
> at org.apache.solr.handler.component.QueryComponent.returnFields(QueryComponent.java:1257)
> at org.apache.solr.handler.component.QueryComponent.handleRegularResponses(QueryComponent.java:720)
> at org.apache.solr.handler.component.QueryComponent.handleResponses(QueryComponent.java:695)
> at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:324)
> at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135)
> at org.apache.solr.core.SolrCore.execute(SolrCore.java:1967)
> at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:777)
> at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:418)
> 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:745)
> </str><int name="code">500</int></lst></response>
> {code}
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