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https://issues.apache.org/jira/browse/SOLR-1769?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12849142#action_12849142
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Jörgen Rydenius commented on SOLR-1769:
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Line 922 of ReplicationHandler.java looks like this:
{noformat}
core.getDeletionPolicy().saveCommitPoint(indexCommitPoint.getVersion());{noformat}
core.getDeletionPolicy() returns an instance of
org.apache.solr.core.IndexDeletionPolicyWrapper, but indexCommitPoint is null
according to the debugger, so indexCommitPoint.getVersion() triggers the
NullPointerException. The IndexDeletionPolicyWrapper obviously returned null on
the getLatestCommit() call in line 921. I'm unsure if it is just a missing null
check of indexCommitPoint on line 922, or if it is an illegal state for an
IndexDeletionPolicyWrapper to have latestCommit == null. Anyway, that is what
really happens.
> Solr 1.4 Replication - Repeater throwing NullPointerException
> -------------------------------------------------------------
>
> Key: SOLR-1769
> URL: https://issues.apache.org/jira/browse/SOLR-1769
> Project: Solr
> Issue Type: Bug
> Affects Versions: 1.4
> Reporter: Deepak
> Assignee: Noble Paul
> Priority: Critical
> Attachments: SOLR-1769, solrconfig.xml, solrconfig.xml,
> solrconfigSolr1.4.xml
>
>
> Hi
> I am trying to test Solr 1.4 Java replication. It works fine with this
> configuration on slave and data is sync from master with out any issue
> <requestHandler name="/replication" class="solr.ReplicationHandler" >
> <lst name="slave">
> <str
> name="masterUrl">http://IP:PORT/SolrSmartPriceSS/replication</str>
> <str name="compression">internal</str>
> <str name="httpConnTimeout">5000</str>
> <str name="httpReadTimeout">10000</str>
> </lst>
> </requestHandler>
> We need to setup repeater on this slave. We have this configuration on slave.
> With this configuration, it's throwing a null pointer exception. Please see
> error log
> <requestHandler name="/replication" class="solr.ReplicationHandler" >
> <lst name="master">
> <str name="replicateAfter">commit</str>
> <str name="confFiles">schema.xml</str>
> </lst>
> <lst name="slave">
> <str
> name="masterUrl">http://IP:PORT/SolrSmartPriceSS/replication</str>
> <str name="compression">internal</str>
> <str name="httpConnTimeout">5000</str>
> <str name="httpReadTimeout">10000</str>
> </lst>
> </requestHandler>
> Error log
> INFO: start
> commit(optimize=false,waitFlush=true,waitSearcher=true,expungeDeletes=false)
> Feb 9, 2010 10:27:55 PM org.apache.solr.handler.ReplicationHandler doFetch
> SEVERE: SnapPull failed
> org.apache.solr.common.SolrException: Index fetch failed :
> at
> org.apache.solr.handler.SnapPuller.fetchLatestIndex(SnapPuller.java:329)
> at
> org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:264)
> at
> org.apache.solr.handler.ReplicationHandler$1.run(ReplicationHandler.java:146)
> Caused by: java.lang.NullPointerException
> at
> org.apache.solr.handler.ReplicationHandler$4.postCommit(ReplicationHandler.java:922)
> at
> org.apache.solr.update.UpdateHandler.callPostCommitCallbacks(UpdateHandler.java:78)
> at
> org.apache.solr.update.DirectUpdateHandler2.commit(DirectUpdateHandler2.java:411)
> at org.apache.solr.handler.SnapPuller.doCommit(SnapPuller.java:467)
> at
> org.apache.solr.handler.SnapPuller.fetchLatestIndex(SnapPuller.java:319)
> Please let us know how can we resolve this issue
> Regards
> Deepak
>
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