Try the SO_LINGER hack to prevent deadlock.

Frohwalt Egerer · Frohwalt Egerer · commit f2fb17574072 · 2014-06-02T13:28:50.000+02:00
diff --git a/src/test/java/com/notnoop/apns/AbstractApnsServerSocket.java b/src/test/java/com/notnoop/apns/AbstractApnsServerSocket.java
@@ -48,7 +48,9 @@ private void startAccept() {
 		try {
 			while (true) {
 				Socket accept = serverSocket.accept();
-				executorService.execute(new SocketHandler(accept));
+                // Work around JVM deadlock ... https://community.oracle.com/message/10989561#10989561
+                accept.setSoLinger(true, 1);
+                executorService.execute(new SocketHandler(accept));
 			}
 		} catch (IOException ioe) {
 			executorService.shutdown();
diff --git a/src/test/java/com/notnoop/apns/utils/ApnsServerStub.java b/src/test/java/com/notnoop/apns/utils/ApnsServerStub.java
@@ -168,6 +168,7 @@ public void run() {
                 startUp.release();
                 while (true) {
                     Socket socket = gatewaySocket.accept();
+                    // Work around JVM deadlock ... https://community.oracle.com/message/10989561#10989561
                     socket.setSoLinger(true, 1);
 
                     // Create streams to securely send and receive data to the client
@@ -226,6 +227,7 @@ public void run() {
                 // Listen for connections
                 startUp.release();
                 Socket socket = feedbackSocket.accept();
+                // Work around JVM deadlock ... https://community.oracle.com/message/10989561#10989561
                 socket.setSoLinger(true, 1);
 
                 // Create streams to securely send and receive data to the client
diff --git a/src/test/java/com/notnoop/apns/utils/Simulator/InputOutputSocket.java b/src/test/java/com/notnoop/apns/utils/Simulator/InputOutputSocket.java
@@ -19,7 +19,7 @@ public InputOutputSocket(final Socket socket) throws IOException {
 
         this.socket = socket;
 
-        // Hack ... https://community.oracle.com/message/10989561#10989561
+        // Hack, work arond JVM deadlock ... https://community.oracle.com/message/10989561#10989561
         socket.setSoLinger(true, 1);
         outputStream = new DataOutputStream(socket.getOutputStream());
         inputStream = new ApnsInputStream(socket.getInputStream());
