[CASSANDRA-15692] NPE in ConnectionBurnTest

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 4.0-alpha4, 4.0
• Component/s: Test/unit
• Labels: pull-request-available
• Bug Category: Correctness - Test Failure
• Severity: Low
• Complexity: Low Hanging Fruit
• Discovered By: Unit Test
• Platform: All
• Since Version: 4.0-alpha

Source Control Link

https://github.com/apache/cassandra/commit/e2d2bfd9ccd5fc5875ea9eae571c42732e701193

Test and Documentation Plan

fixed test locally..

• Assignee: Zhao Yang
• Reporter: Michael Semb Wever

Authors

Zhao Yang

Reviewers

Michael Semb Wever

• Created: 04/Apr/20 09:22
• Updated: 21/Dec/20 08:08
• Resolved: 04/Apr/20 18:51

Description

https://ci-cassandra.apache.org/job/Cassandra-trunk-test-burn/30/testReport/org.apache.cassandra.net/ConnectionBurnTest/test/

java.lang.NullPointerException
	at org.apache.cassandra.db.commitlog.AbstractCommitLogSegmentManager.getCurrentPosition(AbstractCommitLogSegmentManager.java:515)
	at org.apache.cassandra.db.commitlog.CommitLog.getCurrentPosition(CommitLog.java:223)
	at org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:403)
	at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:602)
	at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:576)
	at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:567)
	at org.apache.cassandra.db.Keyspace.initCf(Keyspace.java:445)
	at org.apache.cassandra.db.Keyspace.<init>(Keyspace.java:340)
	at org.apache.cassandra.db.Keyspace.open(Keyspace.java:138)
	at org.apache.cassandra.db.Keyspace.open(Keyspace.java:115)
	at org.apache.cassandra.db.Keyspace.openAndGetStore(Keyspace.java:173)
	at org.apache.cassandra.index.IndexRegistry.obtain(IndexRegistry.java:251)
	at org.apache.cassandra.cql3.restrictions.StatementRestrictions.<init>(StatementRestrictions.java:154)
	at org.apache.cassandra.cql3.restrictions.StatementRestrictions.<init>(StatementRestrictions.java:134)
	at org.apache.cassandra.cql3.statements.SelectStatement$RawStatement.prepareRestrictions(SelectStatement.java:1084)
	at org.apache.cassandra.cql3.statements.SelectStatement$RawStatement.prepare(SelectStatement.java:958)
	at org.apache.cassandra.cql3.statements.SelectStatement$RawStatement.prepare(SelectStatement.java:948)
	at org.apache.cassandra.cql3.statements.SelectStatement$RawStatement.prepare(SelectStatement.java:923)
	at org.apache.cassandra.cql3.QueryProcessor.getStatement(QueryProcessor.java:523)
	at org.apache.cassandra.cql3.QueryProcessor.parseStatement(QueryProcessor.java:252)
	at org.apache.cassandra.cql3.QueryProcessor.prepareInternal(QueryProcessor.java:297)
	at org.apache.cassandra.cql3.QueryProcessor.executeInternal(QueryProcessor.java:307)
	at org.apache.cassandra.db.SystemKeyspace.getPreferredIP(SystemKeyspace.java:857)
	at org.apache.cassandra.net.OutboundConnectionSettings.connectTo(OutboundConnectionSettings.java:448)
	at org.apache.cassandra.net.OutboundConnectionSettings.withDefaults(OutboundConnectionSettings.java:470)
	at org.apache.cassandra.net.OutboundConnection.<init>(OutboundConnection.java:291)
	at org.apache.cassandra.net.Connection.<init>(Connection.java:81)
	at org.apache.cassandra.net.ConnectionBurnTest$Test.<init>(ConnectionBurnTest.java:216)
	at org.apache.cassandra.net.ConnectionBurnTest$Test.<init>(ConnectionBurnTest.java:144)
	at org.apache.cassandra.net.ConnectionBurnTest$Test$Builder.build(ConnectionBurnTest.java:179)
	at org.apache.cassandra.net.ConnectionBurnTest.test(ConnectionBurnTest.java:640)
	at org.apache.cassandra.net.ConnectionBurnTest.test(ConnectionBurnTest.java:658)

Test History:
https://ci-cassandra.apache.org/job/Cassandra-trunk-test-burn/lastCompletedBuild/testReport/org.apache.cassandra.net/ConnectionBurnTest/test/history/

Issue Links

• is caused by: CASSANDRA-15295 Running into deadlock when do CommitLog initialization
• links to: GitHub Pull Request #516