JulianFeinauer commented on issue #10: Fixed NPE in S7PlcConnection#close. URL: https://github.com/apache/incubator-plc4x/pull/10#issuecomment-409958048 @chrisdutz your fixes in the master made it work for me also. As I found a solution to avoid the blocking exception in the meanwhile I combined your code with mine. I think the only obvious solution is, as i propose, to use a CountDownLatch to communicate between the ChannelCloseFuture and the close method on another ThreadPool than the EventLoopGroup (which netty forbids). Is this solution feasible for you?
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