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https://issues.apache.org/jira/browse/SOLR-8275?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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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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