JulianFeinauer opened a new pull request #10: Fixed NPE in S7PlcConnection#close. URL: https://github.com/apache/incubator-plc4x/pull/10 Fix for the NPE in S7PlcConnection's close method. After fixing the NPE there was a netty blockingException, thus I had to refactor the program logic a bit. Please check if this is suitable the way I dit this (I tried to add enough comment to make it understandable).
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