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https://issues.apache.org/jira/browse/CASSANDRA-3554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13173128#comment-13173128
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Brandon Williams commented on CASSANDRA-3554:
---------------------------------------------
I'm not sure how exactly, but obviously the keys being passed here are not
quite what we think they are:
{noformat}
DEBUG 11:57:03,907 Started scheduleAllDeliveries
DEBUG 11:57:03,907 deliverHints to /7fff:ffff:ffff:ffff:ffff:ffff:ffff:fffe
DEBUG 11:57:03,908 deliverHints to /5555:5555:5555:5555:5555:5555:5555:5554
DEBUG 11:57:03,908 Checking remote(/7fff:ffff:ffff:ffff:ffff:ffff:ffff:fffe)
schema before delivering hints
DEBUG 11:57:03,908 Finished scheduleAllDeliveries
ERROR 11:57:03,909 Fatal exception in thread Thread[HintedHandoff:3,1,main]
java.lang.NullPointerException
at
org.apache.cassandra.db.HintedHandOffManager.waitForSchemaAgreement(HintedHandOffManager.java:206)
at
org.apache.cassandra.db.HintedHandOffManager.deliverHintsToEndpoint(HintedHandOffManager.java:238)
at
org.apache.cassandra.db.HintedHandOffManager.access$200(HintedHandOffManager.java:84)
at
org.apache.cassandra.db.HintedHandOffManager$3.runMayThrow(HintedHandOffManager.java:383)
at
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
{noformat}
> Hints are not replayed unless node was marked down
> --------------------------------------------------
>
> Key: CASSANDRA-3554
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3554
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 1.0.0
> Reporter: Jonathan Ellis
> Assignee: Jonathan Ellis
> Labels: hintedhandoff, jmx
> Fix For: 1.0.7
>
> Attachments: 0001-cleanup.patch, 0002-deliver.patch, 3554-1.0.txt
>
>
> If B drops a write from A because it is overwhelmed (but not dead), A will
> hint the write. But it will never get notified that B is back up (since it
> was never down), so it will never attempt hint delivery.
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