content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements. See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License. You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package org.apache.activemq.artemis.tests.integration.addressing;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  
  import java.util.concurrent.CyclicBarrier;
  import java.util.concurrent.TimeUnit;
  import java.util.concurrent.atomic.AtomicInteger;
  
  import org.apache.activemq.artemis.api.core.QueueConfiguration;
  import org.apache.activemq.artemis.api.core.RoutingType;
  import org.apache.activemq.artemis.api.core.SimpleString;
  import org.apache.activemq.artemis.core.server.ActiveMQServer;
  import org.apache.activemq.artemis.tests.util.ActiveMQTestBase;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.Timeout;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import java.lang.invoke.MethodHandles;
  
  /**
   * This test is simulating a dead lock that may happen while removing addresses.
   */
  public class TwoWaysRemoveAddressTest extends ActiveMQTestBase {
  
     private static Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  
     @Test
     @Timeout(60)
     public void testDeadLock() throws Throwable {
        ActiveMQServer server = addServer(createServer(false));
        server.start();
  
        final int retries = 10;
        CyclicBarrier barrier = new CyclicBarrier(2);
  
        AtomicInteger errors = new AtomicInteger(0);
  
        Thread createAndDestroy1 = new Thread(() -> {
  
           try {
              barrier.await(10, TimeUnit.SECONDS);
  
              for (int i = 0; i < retries; i++) {
                 logger.debug("Removed queue on thread 1 ::{}", i);
                 server.createQueue(QueueConfiguration.of("queueName_1_" + i).setAddress("address_1_" + i).setRoutingType(RoutingType.ANYCAST));
                 server.destroyQueue(SimpleString.of("queueName_1_" + i));
              }
           } catch (Throwable e) {
              logger.warn(e.getMessage(), e);
              errors.incrementAndGet();
           }
        });
  
        Thread createAndDestroy2 = new Thread(() -> {
  
           try {
              barrier.await(10, TimeUnit.SECONDS);
  
              for (int i = 0; i < retries; i++) {
                 logger.debug("Removed queue on thread 2 ::{}", i);
                 server.createQueue(QueueConfiguration.of("queueName_2_" + i).setAddress("address_2_" + i).setRoutingType(RoutingType.ANYCAST));
                 server.removeAddressInfo(SimpleString.of("address_2_" + i), null, true);
              }
           } catch (Throwable e) {
              logger.warn(e.getMessage(), e);
              errors.incrementAndGet();
           }
        });
  
        createAndDestroy1.start();
        createAndDestroy2.start();
  
        createAndDestroy1.join(10_000);
        createAndDestroy2.join(10_000);
  
        assertFalse(createAndDestroy1.isAlive());
        assertFalse(createAndDestroy2.isAlive());
  
  
        assertEquals(0, errors.get());
  
     }
  
  }
  