Support Article

DDS Start-up issues due to Cassandra connectivity

SA-37155

Summary



When re-starting a node, the DDS service does not start because of the below exception with Pega 7.2.1.

Error Messages



Cassandra Error:
Message.java:532 - Unexpected exception during request; channel = [id: 0x251951c6, /##.###.#.##:##### :> /##.###.#.##:####]
io.netty.handler.ssl.NotSslRecordException: not an SSL/TLS record: fff4fffd06
at io.netty.handler.ssl.SslHandler.decode(SslHandler.java:860) ~[netty-all-4.0.23.Final.jar:4.0.23.Final]
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:249) ~[netty-all-4.0.23.Final.jar:4.0.23.Final]
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:149) ~[netty-all-4.0.23.Final.jar:4.0.23.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333) ~[netty-all-4.0.23.Final.jar:4.0.23.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319) ~[netty-all-4.0.23.Final.jar:4.0.23.Final]
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:787) ~[netty-all-4.0.23.Final.jar:4.0.23.Final]
at io.netty.channel.epoll.EpollSocketChannel$EpollSocketUnsafe.epollInReady(EpollSocketChannel.java:722) ~[netty-all-4.0.23.Final.jar:4.0.23.Final]
at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:326) ~[netty-all-4.0.23.Final.jar:4.0.23.Final]
at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:264) ~[netty-all-4.0.23.Final.jar:4.0.23.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116) ~[netty-all-4.0.23.Final.jar:4.0.23.Final]
at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137) ~[netty-all-4.0.23.Final.jar:4.0.23.Final]
at java.lang.Thread.run(Thread.java:745) [na:1.7.0_111]


Steps to Reproduce



Re-start any of the DDS nodes.


Root Cause



SSL connectivity for Cassandra was enabled.

Resolution



Update Cassandra SSL parameter to 'False' and restart.

Published April 27, 2017 - Updated May 12, 2017

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