Stefan Podkowinski created CASSANDRA-13649:
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Summary: Uncaught exceptions in Netty pipeline
Key: CASSANDRA-13649
URL: https://issues.apache.org/jira/browse/CASSANDRA-13649
Project: Cassandra
Issue Type: Bug
Reporter: Stefan Podkowinski
Attachments: test_stdout.txt
I've noticed some netty related errors in trunk in [some of the dtest
results|https://builds.apache.org/view/A-D/view/Cassandra/job/Cassandra-devbranch-dtest/106/#showFailuresLink].
Just want to make sure that we don't have to change anything related to the
exception handling in our pipeline and that this isn't a netty issue. Actually
if this causes flakiness but is otherwise harmless, we should do something
about it, even if it's just on the dtest side.
{noformat}
WARN [epollEventLoopGroup-2-9] 2017-06-28 17:23:49,699 Slf4JLogger.java:151 -
An exceptionCaught() event was fired, and it reached at the tail of the
pipeline. It usually means the last handler in the pipeline did not handle the
exception.
io.netty.channel.unix.Errors$NativeIoException: syscall:read(...)() failed:
Connection reset by peer
at io.netty.channel.unix.FileDescriptor.readAddress(...)(Unknown
Source) ~[netty-all-4.0.44.Final.jar:4.0.44.Final]
{noformat}
And again in another test:
{noformat}
WARN [epollEventLoopGroup-2-8] 2017-06-29 02:27:31,300 Slf4JLogger.java:151 -
An exceptionCaught() event was fired, and it reached at the tail of the
pipeline. It usually means the last handler in the pipeline did not handle the
exception.
io.netty.channel.unix.Errors$NativeIoException: syscall:read(...)() failed:
Connection reset by peer
at io.netty.channel.unix.FileDescriptor.readAddress(...)(Unknown
Source) ~[netty-all-4.0.44.Final.jar:4.0.44.Final]
{noformat}
This one looks also odd and makes
upgrade_internal_auth_test.TestAuthUpgrade.upgrade_to_30_test fail:
{noformat}
WARN [epollEventLoopGroup-2-9] 2017-06-29 02:41:37,125 Slf4JLogger.java:151 -
An exceptionCaught() event was fired, and it reached at the tail of the
pipeline. It usually means the last handler in the pipeline did not handle the
exception.
io.netty.handler.codec.DecoderException:
org.apache.cassandra.transport.ProtocolException: Invalid or unsupported
protocol version: 4
at
io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:442)
~[netty-all-4.0.44.Final.jar:4.0.44.Final]
at
io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:375)
~[netty-all-4.0.44.Final.jar:4.0.44.Final]
at
io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:342)
~[netty-all-4.0.44.Final.jar:4.0.44.Final]
at
io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:325)
~[netty-all-4.0.44.Final.jar:4.0.44.Final]
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:241)
~[netty-all-4.0.44.Final.jar:4.0.44.Final]
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:227)
~[netty-all-4.0.44.Final.jar:4.0.44.Final]
at
io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:220)
~[netty-all-4.0.44.Final.jar:4.0.44.Final]
at
io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1289)
~[netty-all-4.0.44.Final.jar:4.0.44.Final]
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:241)
~[netty-all-4.0.44.Final.jar:4.0.44.Final]
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:227)
~[netty-all-4.0.44.Final.jar:4.0.44.Final]
at
io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:893)
~[netty-all-4.0.44.Final.jar:4.0.44.Final]
at
io.netty.channel.AbstractChannel$AbstractUnsafe$7.run(AbstractChannel.java:691)
~[netty-all-4.0.44.Final.jar:4.0.44.Final]
at
io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:399)
[netty-all-4.0.44.Final.jar:4.0.44.Final]
at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:307)
[netty-all-4.0.44.Final.jar:4.0.44.Final]
at
io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:131)
[netty-all-4.0.44.Final.jar:4.0.44.Final]
at
io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144)
[netty-all-4.0.44.Final.jar:4.0.44.Final]
at java.lang.Thread.run(Thread.java:748) [na:1.8.0_131]
Caused by: org.apache.cassandra.transport.ProtocolException: Invalid or
unsupported protocol version: 4
at org.apache.cassandra.transport.Frame$Decoder.decode(Frame.java:186)
~[main/:na]
at
io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:411)
~[netty-all-4.0.44.Final.jar:4.0.44.Final]
... 16 common frames omitted
{noformat}
/cc [~jasobrown], [~norman]
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