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Jonathan Ellis commented on CASSANDRA-3385: ------------------------------------------- IMO the right fix to the lock contention is to simply not synchronize when there are no indexes present. But that's unrelated to the assertion failure here. > NPE in hinted handoff > --------------------- > > Key: CASSANDRA-3385 > URL: https://issues.apache.org/jira/browse/CASSANDRA-3385 > Project: Cassandra > Issue Type: Bug > Reporter: Yang Yang > Priority: Critical > > I'm using the current HEAD of 1.0.0 github branch, and I'm still seeing this > error, not sure if it's this bug or another one. > INFO [HintedHandoff:1] 2011-10-19 12:43:17,674 HintedHandOffManager.java > (line 263) Started hinted handoff for token: 11342745564 > 0312821154458202477256070484 with IP: /10.39.85.140 > ERROR [HintedHandoff:1] 2011-10-19 12:43:17,885 AbstractCassandraDaemon.java > (line 133) Fatal exception in thread Thread[HintedHan > doff:1,1,main] > java.lang.RuntimeException: java.lang.NullPointerException > at > org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34) > 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) > Caused by: java.lang.NullPointerException > at > org.apache.cassandra.db.HintedHandOffManager.deliverHintsToEndpoint(HintedHandOffManager.java:289) > at > org.apache.cassandra.db.HintedHandOffManager.access$100(HintedHandOffManager.java:81) > at > org.apache.cassandra.db.HintedHandOffManager$2.runMayThrow(HintedHandOffManager.java:337) > at > org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30) > ... 3 more > ERROR [HintedHandoff:1] 2011-10-19 12:43:17,886 AbstractCassandraDaemon.java > (line 133) Fatal exception in thread Thread[HintedHandoff:1,1,main] > java.lang.RuntimeException: java.lang.NullPointerException > at > org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > at java.lang.Thread.run(Thread.java:662) > Caused by: java.lang.NullPointerException > at > org.apache.cassandra.db.HintedHandOffManager.deliverHintsToEndpoint(HintedHandOffManager.java:289) > at > org.apache.cassandra.db.HintedHandOffManager.access$100(HintedHandOffManager.java:81) > at > org.apache.cassandra.db.HintedHandOffManager$2.runMayThrow(HintedHandOffManager.java:337) > at > org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30) > ... 3 more > this could possibly be related to #3291 -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira