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https://issues.apache.org/jira/browse/SOLR-10092?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15880421#comment-15880421
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Hendrik Haddorp commented on SOLR-10092:
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ok, tested again. plain solr 6.3 works in the default legacyCloud mode. but
once I set legacyCloud=false it fails with the exception above.
after some more testing I do now actually have a different problem. I do not
get the exception from above by the following message and no fail over happens:
2017-02-23 13:29:07.876 WARN
(OverseerHdfsCoreFailoverThread-25449593782534174-search-integration.rtp.raleigh.ibm.com:9005_solr-n_0000000015)
[ ] o.a.s.c.OverseerAutoReplicaFailoverThread Could not find dataDir or
ulogDir in cluster state.
sorry, all quite inconsistent at the moment.
> HDFS: AutoAddReplica fails
> --------------------------
>
> Key: SOLR-10092
> URL: https://issues.apache.org/jira/browse/SOLR-10092
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: hdfs
> Affects Versions: 6.3
> Reporter: Hendrik Haddorp
> Attachments: SOLR-10092.patch
>
>
> OverseerAutoReplicaFailoverThread fails to create replacement core with this
> exception:
> o.a.s.c.OverseerAutoReplicaFailoverThread Exception trying to create new
> replica on
> http://...:9000/solr:org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException:
> Error from server at http://...:9000/solr: Error CREATEing SolrCore
> 'test2.collection-09_shard1_replica1': Unable to create core
> [test2.collection-09_shard1_replica1] Caused by: No shard id for
> CoreDescriptor[name=test2.collection-09_shard1_replica1;instanceDir=/var/opt/solr/test2.collection-09_shard1_replica1]
> at
> org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:593)
> at
> org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:262)
> at
> org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:251)
> at org.apache.solr.client.solrj.SolrClient.request(SolrClient.java:1219)
> at
> org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.createSolrCore(OverseerAutoReplicaFailoverThread.java:456)
> at
> org.apache.solr.cloud.OverseerAutoReplicaFailoverThread.lambda$addReplica$0(OverseerAutoReplicaFailoverThread.java:251)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:229)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> also see this mail thread about the issue:
> https://lists.apache.org/thread.html/%3CCAA70BoWyzbvQuJTyzaG4Kx1tj0Djgcm+MV=x_hoac1e6cse...@mail.gmail.com%3E
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