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Re: [milo-dev] NullPointerException in milo while reconnecting to OPC server
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Hi Kevin!,
Seeing the log that I attached before, it seems that the client reconnects, but the events "
onSubscriptionTransferFailed" or "
onSubscriptionStatusChanged" are not fired.
In 0.5.4 those events were fired when our OPC was restarted, so we resubscribed all the monitored items we needed.
Is there some other event we can implement in 0.6.0 to achieve same result? Estimated date for 0.6.1 if possible?
Thanks for your help!
Jose,
I think it has existed for some time now but was only exposed with proper uncaught exception handlers installed recently.
Does your client still reconnect?
Greetings,
In our production systems we are seeing an error after our OPC is restarted:
ERROR: Uncaught Exception on shared stack ExecutorService thread!
java.lang.NullPointerException: null
at org.eclipse.milo.opcua.sdk.client.session.SessionFsmFactory.lambda$null$31(SessionFsmFactory.java:531)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
We are already using events "onSubscriptionTransferFailed" and "onSubscriptionStatusChanged". In other cases they are called, but not in this one. Log attached.
Is it a bug in milo? Can we reconnect using another event or listener?
Note: we cannot use Wireshark or something similar to inspect network.
Regards.
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