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Posted to dev@lucene.apache.org by "Cassandra Targett (JIRA)" <ji...@apache.org> on 2018/01/10 21:22:00 UTC
[jira] [Resolved] (SOLR-4728) Getting a null pointer exception when
i dont use the updateLog parameter in solrConfig.xml
[ https://issues.apache.org/jira/browse/SOLR-4728?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Cassandra Targett resolved SOLR-4728.
-------------------------------------
Resolution: Invalid
From the log entries showing the errors, it appears ZK is in use, so it's SolrCloud, and the updateLog is required for SolrCloud.
> Getting a null pointer exception when i dont use the updateLog parameter in solrConfig.xml
> ------------------------------------------------------------------------------------------
>
> Key: SOLR-4728
> URL: https://issues.apache.org/jira/browse/SOLR-4728
> Project: Solr
> Issue Type: Bug
> Components: Schema and Analysis
> Affects Versions: 4.2
> Reporter: Vicky Desai
> Priority: Minor
> Attachments: solrconfig.xml
>
>
> If i disable update log in solr 4.2 then i get the following exception
> SEVERE: :java.lang.NullPointerException
> at org.apache.solr.cloud.ShardLeaderElectionContext.runLeaderProcess(ElectionContext.java:190)
> at org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:156)
> at org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:100)
> at org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:266)
> at org.apache.solr.cloud.ZkController.joinElection(ZkController.java:935)
> at org.apache.solr.cloud.ZkController.register(ZkController.java:761)
> at org.apache.solr.cloud.ZkController.register(ZkController.java:727)
> at org.apache.solr.core.CoreContainer.registerInZk(CoreContainer.java:908)
> at org.apache.solr.core.CoreContainer.registerCore(CoreContainer.java:892)
> at org.apache.solr.core.CoreContainer.register(CoreContainer.java:841)
> at org.apache.solr.core.CoreContainer$3.call(CoreContainer.java:638)
> at org.apache.solr.core.CoreContainer$3.call(CoreContainer.java:629)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
> Apr 12, 2013 6:39:56 PM org.apache.solr.common.SolrException log
> SEVERE: null:org.apache.solr.common.cloud.ZooKeeperException:
> at org.apache.solr.core.CoreContainer.registerInZk(CoreContainer.java:931)
> at org.apache.solr.core.CoreContainer.registerCore(CoreContainer.java:892)
> at org.apache.solr.core.CoreContainer.register(CoreContainer.java:841)
> at org.apache.solr.core.CoreContainer$3.call(CoreContainer.java:638)
> at org.apache.solr.core.CoreContainer$3.call(CoreContainer.java:629)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
> Caused by: java.lang.NullPointerException
> at org.apache.solr.cloud.ShardLeaderElectionContext.runLeaderProcess(ElectionContext.java:190)
> at org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:156)
> at org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:100)
> at org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:266)
> at org.apache.solr.cloud.ZkController.joinElection(ZkController.java:935)
> at org.apache.solr.cloud.ZkController.register(ZkController.java:761)
> at org.apache.solr.cloud.ZkController.register(ZkController.java:727)
> at org.apache.solr.core.CoreContainer.registerInZk(CoreContainer.java:908)
> ... 12 more
> and solr fails to start . However if i add updatelog in my solrconfig.xml it starts.
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