java.io.IOException: Channel is already closed at org.netbeans.modules.nativeexecution.JschSupport$ProtectedOutputStream.checkAlive(JschSupport.java:249) at org.netbeans.modules.nativeexecution.JschSupport$ProtectedOutputStream.flush(JschSupport.java:235) at org.netbeans.modules.cnd.debugger.common2.debugger.io.IOProxy$InputWriterThread.run(IOProxy.java:165)