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NullPointerException while running OPC console server
June 23, 2014
13:58, EEST
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matteo.leggieri
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May 20, 2014
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Hi,
running my evaluation OPC console server, sometimes I see the following NullPointerExpcetion:

java.lang.NullPointerException
at org.opcfoundation.ua.transport.tcp.nio.UATcpServer$UATcpServerConnection.onStateTransition(Unknown Source)
at org.opcfoundation.ua.transport.tcp.nio.UATcpServer$UATcpServerConnection.onStateTransition(Unknown Source)
at org.opcfoundation.ua.utils.AbstractState.setState(Unknown Source)
at org.opcfoundation.ua.utils.AbstractState.setState(Unknown Source)
at org.opcfoundation.ua.transport.tcp.nio.UATcpConnection.close(Unknown Source)
at org.opcfoundation.ua.transport.tcp.nio.UATcpConnection.setError(Unknown Source)
at org.opcfoundation.ua.transport.tcp.nio.UATcpConnection.onRawChunk(Unknown Source)
at org.opcfoundation.ua.transport.tcp.nio.UATcpConnection.onChunk(Unknown Source)
at org.opcfoundation.ua.transport.tcp.nio.UATcpConnection$2.onStateTransition(Unknown Source)
at org.opcfoundation.ua.transport.tcp.nio.UATcpConnection$2.onStateTransition(Unknown Source)
at org.opcfoundation.ua.utils.AbstractState$1.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)

However the server continue its cycle correctly.
I have no problems with this Exception, I hope it can be helpful for you.

June 24, 2014
12:30, EEST
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Jouni Aro
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December 21, 2011
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Thanks for the note. I have checked this and it should be fixed in SDK 1.5.0. which is about to be released.

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