[SOLR-5197] SolrCloud: 500 error with combination of debug and group in distributed search

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Duplicate
• Assignee: Unassigned
• Reporter: Sannier Elodie
• Created: 28/Aug/13 12:12
• Updated: 16/Dec/13 15:59
• Resolved: 16/Dec/13 15:59

Description

With SolrCloud 4.4.0 with two shards, when grouping on a field
and using the "debug" parameter in distributed mode, there is a 500 error.

http://localhost:8983/solr/select?q=*:*&group=true&group.field=popularity&debug=true
(idem with debug=timing, query or results)

<response>
<lst name="responseHeader">
<int name="status">500</int>
<int name="QTime">109</int>
<lst name="params">
<str name="q">:</str>
<str name="group.field">popularity</str>
<str name="debug">true</str>
<str name="group">true</str>
</lst>
</lst>
<lst name="error">
<str name="msg">
Server at http://10.76.76.157:8983/solr/collection1 returned non ok status:500, message:Server Error
</str>
<str name="trace">
org.apache.solr.client.solrj.impl.HttpSolrServer$RemoteSolrException: Server at http://10.76.76.157:8983/solr/collection1 returned non ok status:500, message:Server Error at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:385) at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:180) at org.apache.solr.handler.component.HttpShardHandler$1.call(HttpShardHandler.java:156) at org.apache.solr.handler.component.HttpShardHandler$1.call(HttpShardHandler.java:119) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:679)
</str>
<int name="code">500</int>
</lst>
</response>

see http://markmail.org/thread/gauat2zdkxm6ldjx

Issue Links

• duplicates: SOLR-5438 DebugComponent throws NPE when used with grouping