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Posted to dev@curator.apache.org by GitBox <gi...@apache.org> on 2022/02/25 13:01:22 UTC

[GitHub] [curator] martin-g commented on a change in pull request #400: [CURATOR-561] Reset connection after repeat expiry

martin-g commented on a change in pull request #400:
URL: https://github.com/apache/curator/pull/400#discussion_r814748733



##########
File path: curator-framework/src/test/java/org/apache/curator/framework/state/TestConnectionStateManager.java
##########
@@ -83,4 +89,43 @@ public void stateChanged(CuratorFramework client, ConnectionState newState)
             CloseableUtils.closeQuietly(client);
         }
     }
+
+    @Test
+    public void testConnectionStateRecoversFromUnexpectedExpiredConnection() throws Exception {
+        Timing2 timing = new Timing2();
+        CuratorFramework client = CuratorFrameworkFactory.builder()
+                .connectString(server.getConnectString())
+                .connectionTimeoutMs(1_000)
+                .sessionTimeoutMs(250) // try to aggressively expire the connection
+                .retryPolicy(new RetryOneTime(1))
+                .connectionStateErrorPolicy(new SessionConnectionStateErrorPolicy())
+                .build();
+        final BlockingQueue<ConnectionState> queue = Queues.newLinkedBlockingQueue();
+        ConnectionStateListener listener = (client1, state) -> queue.add(state);
+        client.getConnectionStateListenable().addListener(listener);
+        client.start();
+        try {
+            ConnectionState polled = queue.poll(timing.forWaiting().seconds(), TimeUnit.SECONDS);
+            assertEquals(polled, ConnectionState.CONNECTED);
+            client.getZookeeperClient().getZooKeeper().getTestable().queueEvent(new WatchedEvent(

Review comment:
       `#queueEvent(WatchedEvent)` is not available in Zookeeper 3.5.x and this breaks the build in current `master`:
   ```
    
   [INFO] --- maven-surefire-plugin:3.0.0-M5:test (default-test) @ curator-test-zk35 ---
   [INFO] 
   [INFO] -------------------------------------------------------
   [INFO]  T E S T S
   [INFO] -------------------------------------------------------
   ...
   [INFO] Running org.apache.curator.framework.state.TestConnectionStateManager
   [ERROR] Tests run: 2, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 7.387 s <<< FAILURE! - in org.apache.curator.framework.state.TestConnectionStateManager
   [ERROR] org.apache.curator.framework.state.TestConnectionStateManager.testConnectionStateRecoversFromUnexpectedExpiredConnection  Time elapsed: 0.489 s  <<< ERROR!
   java.lang.NoSuchMethodError: org.apache.zookeeper.Testable.queueEvent(Lorg/apache/zookeeper/WatchedEvent;)V
   	at org.apache.curator.framework.state.TestConnectionStateManager.testConnectionStateRecoversFromUnexpectedExpiredConnection(TestConnectionStateManager.java:110)
   
   [INFO] Running org.apache.curator.framework.state.TestConnectionStateManager
   [ERROR] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.124 s <<< FAILURE! - in org.apache.curator.framework.state.TestConnectionStateManager
   [ERROR] org.apache.curator.framework.state.TestConnectionStateManager.testConnectionStateRecoversFromUnexpectedExpiredConnection  Time elapsed: 0.122 s  <<< ERROR!
   java.lang.NoSuchMethodError: org.apache.zookeeper.Testable.queueEvent(Lorg/apache/zookeeper/WatchedEvent;)V
   	at org.apache.curator.framework.state.TestConnectionStateManager.testConnectionStateRecoversFromUnexpectedExpiredConnection(TestConnectionStateManager.java:110)
   ...
   ```




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