[SOLR-6632] "Error CREATEing SolrCore" .. "Caused by: null"

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 5.0
• Assignee: Noble Paul
• Reporter: Chris M. Hostetter
• Created: 17/Oct/14 18:38
• Updated: 12/Jan/18 18:44
• Resolved: 12/Jan/18 18:43

Description

We've seen 6 nearly identical non-reproducible jenkins failures with errors stemming from an NPE in ClusterState since r1624556 (SOLR-5473, SOLR-5474, SOLR-5810) was committed (Sep 12th)

Example...
http://jenkins.thetaphi.de/job/Lucene-Solr-5.x-MacOSX/1849/consoleText

   [junit4] ERROR    111s | CollectionsAPIDistributedZkTest.testDistribSearch <<<
   [junit4]    > Throwable #1: org.apache.solr.client.solrj.impl.HttpSolrServer$RemoteSolrException: Error CREATEing SolrCore 'halfcollection_shard1_replica1': Unable to create core [halfcollection_shard1_replica1] Caused by: null
   [junit4]    > 	at __randomizedtesting.SeedInfo.seed([7FF06594A345DF76:FE16EB8CD41ABF4A]:0)
   [junit4]    > 	at org.apache.solr.client.solrj.impl.HttpSolrServer.executeMethod(HttpSolrServer.java:569)
   [junit4]    > 	at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:215)
   [junit4]    > 	at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:211)
   [junit4]    > 	at org.apache.solr.cloud.CollectionsAPIDistributedZkTest.testErrorHandling(CollectionsAPIDistributedZkTest.java:583)
   [junit4]    > 	at org.apache.solr.cloud.CollectionsAPIDistributedZkTest.doTest(CollectionsAPIDistributedZkTest.java:205)
   [junit4]    > 	at org.apache.solr.BaseDistributedSearchTestCase.testDistribSearch(BaseDistributedSearchTestCase.java:869)
   [junit4]    > 	at java.lang.Thread.run(Thread.java:745)