[CASSANDRA-4384] HintedHandoff can begin before SS knows the hostID

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 1.2.0 beta 3
• Severity: Normal
• Assignee: Brandon Williams
• Reporter: Brandon Williams

Authors

Brandon Williams

Reviewers

Jonathan Ellis

• Created: 27/Jun/12 19:00
• Updated: 16/Apr/19 09:32
• Resolved: 15/Nov/12 17:58

Description

Since HH fires from the FD, SS won't quite have the hostId yet:

 INFO 18:58:04,196 Started hinted handoff for host: null with IP: /10.179.65.102
 INFO 18:58:04,197 Node /10.179.65.102 state jump to normal
ERROR 18:58:04,197 Exception in thread Thread[HintedHandoff:1,1,main]
java.lang.NullPointerException
        at org.apache.cassandra.utils.UUIDGen.decompose(UUIDGen.java:120)
        at org.apache.cassandra.db.HintedHandOffManager.deliverHintsToEndpointInternal(HintedHandOffManager.java:304)
        at org.apache.cassandra.db.HintedHandOffManager.deliverHintsToEndpoint(HintedHandOffManager.java:250)
        at org.apache.cassandra.db.HintedHandOffManager.access$400(HintedHandOffManager.java:87)
        at org.apache.cassandra.db.HintedHandOffManager$4.runMayThrow(HintedHandOffManager.java:433)
        at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:26)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)

Simple solution seems to be getting the hostId from gossip instead.