chrisdutz commented on a change in pull request #10: Fixed NPE in 
S7PlcConnection#close.
URL: https://github.com/apache/incubator-plc4x/pull/10#discussion_r207224977
 
 

 ##########
 File path: 
plc4j/protocols/s7/src/test/java/org/apache/plc4x/java/s7/connection/S7PlcConnectionIT.java
 ##########
 @@ -58,7 +58,12 @@ public void setUp() {
     @After
     public void tearDown() {
         if(s7PlcConnection.isConnected()) {
-            s7PlcConnection.close();
+            try {
+                s7PlcConnection.close();
+            } catch (NullPointerException e) {
 
 Review comment:
   Hi Julian ... I just updated master ... could you check if this solves your 
problem?

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