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https://issues.apache.org/jira/browse/FLINK-4097?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15344030#comment-15344030
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ASF GitHub Bot commented on FLINK-4097:
---------------------------------------
GitHub user alkagin opened a pull request:
https://github.com/apache/flink/pull/2144
[FLINK-4097] Cassandra Sink throws NPE on closing if server is not available
[Jira Issue](https://issues.apache.org/jira/browse/FLINK-4097)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/alkagin/flink FLINK-4097
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/2144.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2144
----
commit 058d5980ac4bf5b729fccbd35a618c9b4c70bb64
Author: Andrea Sella <[email protected]>
Date: 2016-06-21T16:12:31Z
[FLINK-4097] Fix NullPointerException on CassandraSinkBase and
CassandraTupleWriteAheadSink's close()
----
> Cassandra Sink throws NPE on closing if server is not available
> ---------------------------------------------------------------
>
> Key: FLINK-4097
> URL: https://issues.apache.org/jira/browse/FLINK-4097
> Project: Flink
> Issue Type: Bug
> Components: Cassandra Connector, Streaming Connectors
> Affects Versions: 1.1.0
> Reporter: Robert Metzger
> Assignee: Andrea Sella
>
> {code}
> 11:41:41,515 ERROR
> org.apache.flink.streaming.connectors.cassandra.CassandraSinkBase - Error
> while closing session.
> java.lang.NullPointerException
> at
> org.apache.flink.streaming.connectors.cassandra.CassandraSinkBase.close(CassandraSinkBase.java:84)
> at
> org.apache.flink.api.common.functions.util.FunctionUtils.closeFunction(FunctionUtils.java:45)
> at
> org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.dispose(AbstractUdfStreamOperator.java:107)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.disposeAllOperators(StreamTask.java:370)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:304)
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:588)
> at java.lang.Thread.run(Thread.java:745)
> {code}
> {code}
> 11:41:43,896 ERROR org.apache.flink.runtime.taskmanager.Task
> - Task execution failed.
> com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s)
> tried for query failed (tried: /127.0.0.1:9042
> (com.datastax.driver.core.exceptions.TransportException: [/127.0.0.1] Cannot
> connect))
> at
> com.datastax.driver.core.ControlConnection.reconnectInternal(ControlConnection.java:231)
> at
> com.datastax.driver.core.ControlConnection.connect(ControlConnection.java:77)
> at com.datastax.driver.core.Cluster$Manager.init(Cluster.java:1414)
> at com.datastax.driver.core.Cluster.init(Cluster.java:162)
> at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:333)
> at com.datastax.driver.core.Cluster.connectAsync(Cluster.java:308)
> at com.datastax.driver.core.Cluster.connect(Cluster.java:250)
> at
> org.apache.flink.streaming.connectors.cassandra.CassandraSinkBase.open(CassandraSinkBase.java:67)
> at
> org.apache.flink.streaming.connectors.cassandra.CassandraPojoSink.open(CassandraPojoSink.java:48)
> at
> org.apache.flink.api.common.functions.util.FunctionUtils.openFunction(FunctionUtils.java:38)
> at
> org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.open(AbstractUdfStreamOperator.java:91)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.openAllOperators(StreamTask.java:340)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:225)
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:588)
> at java.lang.Thread.run(Thread.java:745)
> {code}
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