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https://issues.apache.org/jira/browse/CASSANDRA-11167?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Tyler Hobbs reassigned CASSANDRA-11167:
---------------------------------------
Assignee: Tyler Hobbs
> NPE when creating serializing ErrorMessage for Exception with null message
> --------------------------------------------------------------------------
>
> Key: CASSANDRA-11167
> URL: https://issues.apache.org/jira/browse/CASSANDRA-11167
> Project: Cassandra
> Issue Type: Bug
> Components: Coordination
> Reporter: Tyler Hobbs
> Assignee: Tyler Hobbs
> Priority: Minor
> Fix For: 2.2.x, 3.0.x, 3.x
>
>
> In {{ErrorMessage.encode()}} and {{encodedSize()}}, we do not handle the
> exception having a {{null}} message. This can result in an error like the
> following:
> {noformat}
> ERROR [SharedPool-Worker-1] 2016-02-10 17:41:29,793 Message.java:611 -
> Unexpected exception during request; channel = [id: 0xc2c6499a,
> /127.0.0.1:53299 => /127.0.0.1:9042]
> java.lang.NullPointerException: null
> at
> org.apache.cassandra.db.TypeSizes.encodedUTF8Length(TypeSizes.java:46)
> ~[cassandra-all-3.0.3.874.jar:3.0.3.874]
> at
> org.apache.cassandra.transport.CBUtil.sizeOfString(CBUtil.java:132)
> ~[cassandra-all-3.0.3.874.jar:3.0.3.874]
> at
> org.apache.cassandra.transport.messages.ErrorMessage$1.encodedSize(ErrorMessage.java:215)
> ~[cassandra-all-3.0.3.874.jar:3.0.3.874]
> at
> org.apache.cassandra.transport.messages.ErrorMessage$1.encodedSize(ErrorMessage.java:44)
> ~[cassandra-all-3.0.3.874.jar:3.0.3.874]
> at
> org.apache.cassandra.transport.Message$ProtocolEncoder.encode(Message.java:328)
> ~[cassandra-all-3.0.3.874.jar:3.0.3.874]
> at
> org.apache.cassandra.transport.Message$ProtocolEncoder.encode(Message.java:314)
> ~[cassandra-all-3.0.3.874.jar:3.0.3.874]
> at
> io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:89)
> ~[netty-all-4.0.34.Final.jar:4.0.34.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:629)
> ~[netty-all-4.0.34.Final.jar:4.0.34.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:686)
> ~[netty-all-4.0.34.Final.jar:4.0.34.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:622)
> ~[netty-all-4.0.34.Final.jar:4.0.34.Final]
> at
> org.apache.cassandra.transport.Message$Dispatcher$Flusher.run(Message.java:445)
> ~[cassandra-all-3.0.3.874.jar:3.0.3.874]
> at
> io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:358)
> ~[netty-all-4.0.34.Final.jar:4.0.34.Final]
> at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357)
> ~[netty-all-4.0.34.Final.jar:4.0.34.Final]
> at
> io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:112)
> ~[netty-all-4.0.34.Final.jar:4.0.34.Final]
> at
> io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137)
> ~[netty-all-4.0.34.Final.jar:4.0.34.Final]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_71]
> {noformat}
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