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Posted to dev@lucene.apache.org by "Mike Drob (JIRA)" <ji...@apache.org> on 2015/11/11 02:06:11 UTC
[jira] [Updated] (SOLR-8275) Unclear error message during recovery
[ https://issues.apache.org/jira/browse/SOLR-8275?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mike Drob updated SOLR-8275:
----------------------------
Attachment: SOLR-8275.patch
Looking at more logging showed that even though the target state and current state were the same, it would only check that if the local leader state is active.
Attaching a patch to provide a different exception message based on the failing conditional.
> Unclear error message during recovery
> -------------------------------------
>
> Key: SOLR-8275
> URL: https://issues.apache.org/jira/browse/SOLR-8275
> Project: Solr
> Issue Type: Bug
> Components: SolrCloud
> Affects Versions: 4.10.3
> Reporter: Mike Drob
> Attachments: SOLR-8275.patch
>
>
> A SolrCloud install got into a bad state (mostly around LeaderElection, I think) and during recovery one of the nodes was giving me this message:
> {noformat}
> 2015-11-09 13:00:56,158 ERROR org.apache.solr.cloud.RecoveryStrategy: Error while trying to recover. core=c1_shard1_replica4:java.util.concurrent.ExecutionException: org.apache.solr.client.solrj.impl.HttpSolrServer$RemoteSolrException: I was asked to wait on state recovering for shard1 in c1 on node2:8983_solr but I still do not see the requested state. I see state: recovering live:true leader from ZK: http://node1:8983/solr/c1_shard1_replica2/
> at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> at java.util.concurrent.FutureTask.get(FutureTask.java:192)
> at org.apache.solr.cloud.RecoveryStrategy.sendPrepRecoveryCmd(RecoveryStrategy.java:599)
> at org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:370)
> at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:236)
> Caused by: org.apache.solr.client.solrj.impl.HttpSolrServer$RemoteSolrException: I was asked to wait on state recovering for shard1 in c1 on node2:8983_solr but I still do not see the requested state. I see state: recovering live:true leader from ZK: http://node1:8983/solr/c1_shard1_replica2/
> at org.apache.solr.client.solrj.impl.HttpSolrServer.executeMethod(HttpSolrServer.java:621)
> at org.apache.solr.client.solrj.impl.HttpSolrServer$1.call(HttpSolrServer.java:292)
> at org.apache.solr.client.solrj.impl.HttpSolrServer$1.call(HttpSolrServer.java:288)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> {noformat}
> The crux of this message: "I was asked to wait on state recovering for shard1 in c1 on node2:8983_solr but I still do not see the requested state. I see state: recovering" seems contradictory. At a minimum, we should improve this error, but there might also be some erroneous logic going on.
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