[LUCENE-8991] disable java.util.HashMap assertions to avoid spurious vailures due to JDK-8205399

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 9.0, 8.3
• Labels: Java10 Java11
• Lucene Fields: New
• Assignee: Chris M. Hostetter
• Reporter: Chris M. Hostetter
• Created: 26/Sep/19 18:04
• Updated: 28/Aug/22 15:51
• Resolved: 07/Oct/19 23:02

Description

An incredibly common class of jenkins failure (at least in Solr tests) stems from triggering assertion failures in java.util.HashMap – evidently triggering bug JDK-8205399, first introduced in java-10, and fixed in java-12, but has never been backported to any java-10 or java-11 bug fix release...

https://bugs.openjdk.java.net/browse/JDK-8205399

SOLR-13653 tracks how this bug can affect Solr users, but I think it would make sense to disable java.util.HashMap in our build system to reduce the confusing failures when users/jenkins runs tests, since there is nothing we can do to work around this when testing with java-11 (or java-10 on branch_8x)

Issue Links

• is related to: SOLR-13653 java (10 & 11) HashMap bug can trigger AssertionError when using SolrCaches