| /** |
| * 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.curator.x.discovery; |
| |
| import org.apache.curator.framework.CuratorFramework; |
| import org.apache.curator.framework.CuratorFrameworkFactory; |
| import org.apache.curator.retry.RetryOneTime; |
| import org.apache.curator.test.TestingServer; |
| import org.apache.curator.utils.CloseableUtils; |
| import org.apache.curator.x.discovery.strategies.RandomStrategy; |
| |
| public class ServiceCacheLeakTester |
| { |
| public static void main(String[] args) throws Exception |
| { |
| TestingServer testingServer = new TestingServer(); |
| |
| final CuratorFramework curatorFramework = CuratorFrameworkFactory.newClient(testingServer.getConnectString(), new RetryOneTime(1)); |
| try |
| { |
| curatorFramework.start(); |
| |
| doWork(curatorFramework); |
| System.gc(); |
| |
| System.out.println("Done - get dump"); |
| Thread.currentThread().join(); |
| } |
| finally |
| { |
| CloseableUtils.closeQuietly(curatorFramework); |
| CloseableUtils.closeQuietly(testingServer); |
| } |
| } |
| |
| private static void doWork(CuratorFramework curatorFramework) throws Exception |
| { |
| ServiceInstance<Void> thisInstance = ServiceInstance.<Void>builder().name("myservice").build(); |
| final ServiceDiscovery<Void> serviceDiscovery = ServiceDiscoveryBuilder.builder(Void.class).client(curatorFramework.usingNamespace("dev")).basePath("/instances").thisInstance(thisInstance).build(); |
| serviceDiscovery.start(); |
| |
| for ( int i = 0; i < 100000; i++ ) |
| { |
| final ServiceProvider<Void> s = serviceProvider(serviceDiscovery, "myservice"); |
| s.start(); |
| try |
| { |
| s.getInstance().buildUriSpec(); |
| } |
| finally |
| { |
| s.close(); |
| } |
| } |
| } |
| |
| private static ServiceProvider<Void> serviceProvider(ServiceDiscovery<Void> serviceDiscovery, String name) throws Exception |
| { |
| return serviceDiscovery.serviceProviderBuilder().serviceName(name).providerStrategy(new RandomStrategy<Void>()).build(); |
| } |
| } |