[SOLR-11757] SolrException.ignoreException race conditions in tests

• Type: Test
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 7.3
• Assignee: David Smiley
• Reporter: David Smiley
• Created: 13/Dec/17 15:30
• Updated: 08/Jun/19 15:13
• Resolved: 15/Dec/17 22:26

Description

It seems somehow race conditions between tests starting or closing can result in SolrException.ignoreExceptions (a set of patterns) getting modified and read concurrently causing a ConcurrentModificationException.

com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler uncaughtException
   [junit4]   2> WARNING: Uncaught exception in thread: Thread[OverseerCollectionConfigSetProcessor-99162700839714821-127.0.0.1:39413_solr-n_0000000000,5,Overseer collection creation process.]
   [junit4]   2> java.util.ConcurrentModificationException
   [junit4]   2>     at __randomizedtesting.SeedInfo.seed([E519150A6D300C6B]:0)
   [junit4]   2>     at java.base/java.util.HashMap$HashIterator.nextNode(HashMap.java:1494)
   [junit4]   2>     at java.base/java.util.HashMap$KeyIterator.next(HashMap.java:1517)
   [junit4]   2>     at org.apache.solr.common.SolrException.doIgnore(SolrException.java:202)
   [junit4]   2>     at org.apache.solr.common.SolrException.log(SolrException.java:154)
   [junit4]   2>     at org.apache.solr.cloud.OverseerTaskProcessor.run(OverseerTaskProcessor.java:305)
   [junit4]   2>     at java.base/java.lang.Thread.run(Thread.java:844)