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https://issues.apache.org/jira/browse/SOLR-6273?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14969015#comment-14969015
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Shalin Shekhar Mangar commented on SOLR-6273:
---------------------------------------------
Any idea why this might happen? Looks like the state is null. This started
happening after I reloaded the source collection and re-indexed the JSON
documents.
{code}
339784408 ERROR (cdcr-replicator-41-thread-155-processing-n:127.0.1.1:8001_solr
x:cdcr_source_shard1_replica1 s:shard1 c:cdcr_source r:core_node1)
[c:cdcr_source s:shard1 r:core_node1 x:cdcr_source_shard1_replica1]
o.a.s.c.u.ExecutorUtil Uncaught exception java.lang.NullPointerException thrown
by thread: cdcr-replicator-41-thread-155-processing-n:127.0.1.1:8001_solr
x:cdcr_source_shard1_replica1 s:shard1 c:cdcr_source r:core_node1
java.lang.Exception: Submitter stack trace
at
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.execute(ExecutorUtil.java:204)
at
org.apache.solr.handler.CdcrReplicatorScheduler$1.run(CdcrReplicatorScheduler.java:80)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
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)
Exception in thread "cdcr-replicator-41-thread-155"
java.lang.NullPointerException
at
java.util.concurrent.ConcurrentLinkedQueue.checkNotNull(ConcurrentLinkedQueue.java:914)
at
java.util.concurrent.ConcurrentLinkedQueue.offer(ConcurrentLinkedQueue.java:327)
at
org.apache.solr.handler.CdcrReplicatorScheduler$1$1.run(CdcrReplicatorScheduler.java:89)
at
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor$1.run(ExecutorUtil.java:231)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
{code}
> Cross Data Center Replication
> -----------------------------
>
> Key: SOLR-6273
> URL: https://issues.apache.org/jira/browse/SOLR-6273
> Project: Solr
> Issue Type: New Feature
> Reporter: Yonik Seeley
> Assignee: Erick Erickson
> Attachments: SOLR-6273-trunk-testfix1.patch,
> SOLR-6273-trunk-testfix2.patch, SOLR-6273-trunk-testfix3.patch,
> SOLR-6273-trunk.patch, SOLR-6273-trunk.patch, SOLR-6273.patch,
> SOLR-6273.patch, SOLR-6273.patch, SOLR-6273.patch
>
>
> This is the master issue for Cross Data Center Replication (CDCR)
> described at a high level here:
> http://heliosearch.org/solr-cross-data-center-replication/
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