[OAK-1827] ClassCastException in NodeDocument.split() when collisions detected

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.0
• Fix Version/s: 1.0.1, 1.1.0
• Component/s: core, mongomk
• Assignee: Marcel Reutegger
• Reporter: Amit Jain
• Created: 15/May/14 13:40
• Updated: 01/Oct/14 13:14
• Resolved: 22/May/14 12:37

Description

When writing nodes concurrently, collisions are detected and the following warnings are logged:

18:49:33.202 [DocumentNodeStore background thread] WARN  o.a.j.o.p.document.DocumentNodeStore - Background operation failed: java.lang.ClassCastException: java.lang.Boolean cannot be cast to java.lang.String
java.lang.ClassCastException: java.lang.Boolean cannot be cast to java.lang.String
	at org.apache.jackrabbit.oak.plugins.document.NodeDocument.split(NodeDocument.java:919) ~[classes/:na]
	at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.backgroundSplit(DocumentNodeStore.java:1461) ~[classes/:na]
	at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.runBackgroundOperations(DocumentNodeStore.java:1370) ~[classes/:na]
	at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore$BackgroundOperation.execute(DocumentNodeStore.java:1755) ~[classes/:na]
	at org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore$NodeStoreTask.run(DocumentNodeStore.java:1730) ~[classes/:na]
	at java.lang.Thread.run(Thread.java:662) [na:1.6.0_41]