[SOLR-6591] Cluster state updates can be lost on exception in main queue loop

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 6.0
• Fix Version/s: 5.0, 6.0
• Component/s: SolrCloud
• Assignee: Shalin Shekhar Mangar
• Reporter: Shalin Shekhar Mangar
• Created: 06/Oct/14 10:12
• Updated: 02/Oct/19 17:23
• Resolved: 02/Dec/14 12:55

Description

I found this bug while going through the failure on jenkins:
https://builds.apache.org/job/Lucene-Solr-NightlyTests-trunk/648/

2 tests failed.
REGRESSION:  org.apache.solr.cloud.CollectionsAPIDistributedZkTest.testDistribSearch

Error Message:
Error CREATEing SolrCore 'halfcollection_shard1_replica1': Unable to create core [halfcollection_shard1_replica1] Caused by: Could not get shard id for core: halfcollection_shard1_replica1

Stack Trace:
org.apache.solr.client.solrj.impl.HttpSolrServer$RemoteSolrException: Error CREATEing SolrCore 'halfcollection_shard1_replica1': Unable to create core [halfcollection_shard1_replica1] Caused by: Could not get shard id for core: halfcollection_shard1_replica1
        at org.apache.solr.client.solrj.impl.HttpSolrServer.executeMethod(HttpSolrServer.java:570)
        at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:215)
        at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:211)
        at org.apache.solr.cloud.CollectionsAPIDistributedZkTest.testErrorHandling(CollectionsAPIDistributedZkTest.java:583)
        at org.apache.solr.cloud.CollectionsAPIDistributedZkTest.doTest(CollectionsAPIDistributedZkTest.java:205)
        at org.apache.solr.BaseDistributedSearchTestCase.testDistribSearch(BaseDistributedSearchTestCase.java:869)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1618)