cassandra-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Benjamin Roth (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CASSANDRA-12530) NPE in MutationStage after WriteTimeoutException
Date Tue, 04 Oct 2016 16:51:20 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-12530?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Benjamin Roth resolved CASSANDRA-12530.
---------------------------------------
    Resolution: Fixed

Fixed by CASSANDRA-12689

> NPE in MutationStage after WriteTimeoutException
> ------------------------------------------------
>
>                 Key: CASSANDRA-12530
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12530
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Local Write-Read Paths
>            Reporter: Benjamin Roth
>
> I observed a situation where nodes seem to be overloaded by MV updates (probably). This
produces tons of exceptions like the following.
> I guess the WriteTimeoutExceptions come from updates on remote hosts during the MV-write-path.
So far so good - shit happens in an overloaded system. But the following NPE is probably not
really intended and a follow-up exception of the timed out write.
> 2016-08-24T12:22:45+00:00 cas5 [MutationStage-25] org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService
Uncaught exception on thread Thread[MutationStage-25,5,main]: {}
> 2016-08-24T12:22:45+00:00 cas5 #011org.apache.cassandra.exceptions.WriteTimeoutException:
Operation timed out - received only 0 responses.
> 2016-08-24T12:22:45+00:00 cas5 #011at org.apache.cassandra.db.Keyspace.apply(Keyspace.java:486)
> 2016-08-24T12:22:45+00:00 cas5 #011at org.apache.cassandra.db.Keyspace.lambda$apply$0(Keyspace.java:495)
> 2016-08-24T12:22:45+00:00 cas5 #011at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> 2016-08-24T12:22:45+00:00 cas5 #011at org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:162)
> 2016-08-24T12:22:45+00:00 cas5 #011at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:109)
> 2016-08-24T12:22:45+00:00 cas5 #011at java.lang.Thread.run(Thread.java:745)
> 2016-08-24T12:22:45+00:00 cas5 [MutationStage-31] org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService
Uncaught exception on thread Thread[MutationStage-31,5,main]: {}
> 2016-08-24T12:22:45+00:00 cas5 #011org.apache.cassandra.exceptions.WriteTimeoutException:
Operation timed out - received only 0 responses.
> 2016-08-24T12:22:45+00:00 cas5 #011at org.apache.cassandra.db.Keyspace.apply(Keyspace.java:486)
> 2016-08-24T12:22:45+00:00 cas5 #011at org.apache.cassandra.db.Keyspace.lambda$apply$0(Keyspace.java:495)
> 2016-08-24T12:22:45+00:00 cas5 #011at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> 2016-08-24T12:22:45+00:00 cas5 #011at org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService$FutureTask.run(AbstractLocalAwareExecutorService.java:162)
> 2016-08-24T12:22:45+00:00 cas5 #011at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:109)
> 2016-08-24T12:22:45+00:00 cas5 #011at java.lang.Thread.run(Thread.java:745)
> 2016-08-24T12:22:45+00:00 cas5 [MutationStage-7] org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService
Uncaught exception on thread Thread[MutationStage-7,5,main]: {}
> 2016-08-24T12:22:45+00:00 cas5 #011java.lang.NullPointerException: null
> 2016-08-24T12:22:45+00:00 cas5 [MutationStage-32] org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService
Uncaught exception on thread Thread[MutationStage-32,5,main]: {}
> 2016-08-24T12:22:45+00:00 cas5 #011java.lang.NullPointerException: null
> 2016-08-24T12:22:45+00:00 cas5 [MutationStage-9] org.apache.cassandra.concurrent.AbstractLocalAwareExecutorService
Uncaught exception on thread Thread[MutationStage-9,5,main]: {}
> 2016-08-24T12:22:45+00:00 cas5 #011java.lang.NullPointerException: null



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message