[YARN-6654] RollingLevelDBTimelineStore backwards incompatible after fst upgrade

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 2.9.0, 3.0.0-beta1, 2.8.2
• Target Version/s: 2.8.2
• Hadoop Flags: Reviewed
• Assignee: Jonathan Turner Eagles
• Reporter: Jonathan Turner Eagles
• Created: 26/May/17 04:00
• Updated: 13/Jul/17 22:50
• Resolved: 13/Jul/17 22:36

Description

There is a small minor backwards compatible change introduced while upgrading fst library from 2.24 to 2.50.

Exception in thread "main" java.io.IOException: java.lang.RuntimeException: unable to find class for code 83
	at org.nustaq.serialization.FSTObjectInput.readObject(FSTObjectInput.java:243)
	at org.nustaq.serialization.FSTConfiguration.asObject(FSTConfiguration.java:1125)
	at org.nustaq.serialization.FSTNoJackson.main(FSTNoJackson.java:31)
Caused by: java.lang.RuntimeException: unable to find class for code 83
	at org.nustaq.serialization.FSTClazzNameRegistry.decodeClass(FSTClazzNameRegistry.java:180)
	at org.nustaq.serialization.coders.FSTStreamDecoder.readClass(FSTStreamDecoder.java:472)
	at org.nustaq.serialization.FSTObjectInput.readClass(FSTObjectInput.java:933)
	at org.nustaq.serialization.FSTObjectInput.readObjectWithHeader(FSTObjectInput.java:343)
	at org.nustaq.serialization.FSTObjectInput.readObjectInternal(FSTObjectInput.java:327)
	at org.nustaq.serialization.serializers.FSTArrayListSerializer.instantiate(FSTArrayListSerializer.java:63)
	at org.nustaq.serialization.FSTObjectInput.instantiateAndReadWithSer(FSTObjectInput.java:497)
	at org.nustaq.serialization.FSTObjectInput.readObjectWithHeader(FSTObjectInput.java:366)
	at org.nustaq.serialization.FSTObjectInput.readObjectInternal(FSTObjectInput.java:327)
	at org.nustaq.serialization.serializers.FSTMapSerializer.instantiate(FSTMapSerializer.java:78)
	at org.nustaq.serialization.FSTObjectInput.instantiateAndReadWithSer(FSTObjectInput.java:497)
	at org.nustaq.serialization.FSTObjectInput.readObjectWithHeader(FSTObjectInput.java:366)
	at org.nustaq.serialization.FSTObjectInput.readObjectInternal(FSTObjectInput.java:327)
	at org.nustaq.serialization.FSTObjectInput.readObject(FSTObjectInput.java:307)
	at org.nustaq.serialization.FSTObjectInput.readObject(FSTObjectInput.java:241)