gtully commented on code in PR #5953:
URL: https://github.com/apache/activemq-artemis/pull/5953#discussion_r2405575753
##########
tests/integration-tests/src/test/java/org/apache/activemq/artemis/tests/integration/broadcast/JGroupsBroadcastTest.java:
##########
@@ -107,4 +118,102 @@ public void testRefCount() throws Exception {
}
}
-}
+
+ @Test
+ public void testConcurrentAccess() throws Exception {
+
+ final CountDownLatch inClose = new CountDownLatch(1);
+ final CountDownLatch doClose = new CountDownLatch(1);
+
+ final Deque<Throwable> errors = new ConcurrentLinkedDeque<>();
+
+ class InstrumentedJChannel extends JChannel {
+ final AtomicBoolean closed = new AtomicBoolean(false);
+
+ InstrumentedJChannel() throws Exception {
+ }
+
+ @Override
+ public synchronized void close() {
+ closed.set(true);
+ inClose.countDown();
+ try {
+ doClose.await(100, TimeUnit.MILLISECONDS);
+ } catch (InterruptedException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ @Override
+ public synchronized JChannel connect(String cluster_name) throws
Exception {
+ if (closed.get()) {
+ throw new IllegalStateException("closed");
+ }
+ return this;
+ }
+
+ @Override
+ public boolean isConnected() {
+ return !closed.get();
+ }
+ }
+
+ AtomicInteger numChannels = new AtomicInteger(0);
+ class JGroupsBroadcastEndpointWithChannel extends
JGroupsBroadcastEndpoint {
+ JGroupsBroadcastEndpointWithChannel() {
+ super(JChannelManager.getInstance(), "shared");
+ }
+
+ @Override
+ public JChannel createChannel() throws Exception {
+ numChannels.incrementAndGet();
+ return new InstrumentedJChannel();
+ }
+ }
+
+ ExecutorService executor = Executors.newFixedThreadPool(2);
Review Comment:
good idea, thanks.
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