Repository: camel Updated Branches: refs/heads/camel-2.14.x 89ce39e84 -> 749280b94
CAMEL-8146: scheduled poll consumers may leak threads when restarting routes. Project: http://git-wip-us.apache.org/repos/asf/camel/repo Commit: http://git-wip-us.apache.org/repos/asf/camel/commit/749280b9 Tree: http://git-wip-us.apache.org/repos/asf/camel/tree/749280b9 Diff: http://git-wip-us.apache.org/repos/asf/camel/diff/749280b9 Branch: refs/heads/camel-2.14.x Commit: 749280b94a6f3d977e1bf41d3775b62e21f5b1e0 Parents: 89ce39e Author: Claus Ibsen <davscl...@apache.org> Authored: Thu Dec 18 11:47:11 2014 +0100 Committer: Claus Ibsen <davscl...@apache.org> Committed: Thu Dec 18 13:21:16 2014 +0100 ---------------------------------------------------------------------- .../DefaultScheduledPollConsumerScheduler.java | 6 +- .../camel/impl/ScheduledPollConsumer.java | 3 +- .../FileConsumerRestartNotLeakThreadTest.java | 65 ++++++++++++++++++++ 3 files changed, 69 insertions(+), 5 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/camel/blob/749280b9/camel-core/src/main/java/org/apache/camel/impl/DefaultScheduledPollConsumerScheduler.java ---------------------------------------------------------------------- diff --git a/camel-core/src/main/java/org/apache/camel/impl/DefaultScheduledPollConsumerScheduler.java b/camel-core/src/main/java/org/apache/camel/impl/DefaultScheduledPollConsumerScheduler.java index c132cad..729ee75 100644 --- a/camel-core/src/main/java/org/apache/camel/impl/DefaultScheduledPollConsumerScheduler.java +++ b/camel-core/src/main/java/org/apache/camel/impl/DefaultScheduledPollConsumerScheduler.java @@ -156,17 +156,15 @@ public class DefaultScheduledPollConsumerScheduler extends org.apache.camel.supp protected void doStop() throws Exception { if (future != null) { LOG.debug("This consumer is stopping, so cancelling scheduled task: " + future); - future.cancel(false); + future.cancel(true); future = null; } - } - @Override - protected void doShutdown() throws Exception { if (shutdownExecutor && scheduledExecutorService != null) { getCamelContext().getExecutorServiceManager().shutdownNow(scheduledExecutorService); scheduledExecutorService = null; future = null; } } + } http://git-wip-us.apache.org/repos/asf/camel/blob/749280b9/camel-core/src/main/java/org/apache/camel/impl/ScheduledPollConsumer.java ---------------------------------------------------------------------- diff --git a/camel-core/src/main/java/org/apache/camel/impl/ScheduledPollConsumer.java b/camel-core/src/main/java/org/apache/camel/impl/ScheduledPollConsumer.java index 5d080e2..e300d49 100644 --- a/camel-core/src/main/java/org/apache/camel/impl/ScheduledPollConsumer.java +++ b/camel-core/src/main/java/org/apache/camel/impl/ScheduledPollConsumer.java @@ -514,7 +514,8 @@ public abstract class ScheduledPollConsumer extends DefaultConsumer implements R @Override protected void doStop() throws Exception { - ServiceHelper.stopService(scheduler); + scheduler.unscheduleTask(); + ServiceHelper.stopAndShutdownServices(scheduler); // clear counters backoffCounter = 0; http://git-wip-us.apache.org/repos/asf/camel/blob/749280b9/camel-core/src/test/java/org/apache/camel/component/file/FileConsumerRestartNotLeakThreadTest.java ---------------------------------------------------------------------- diff --git a/camel-core/src/test/java/org/apache/camel/component/file/FileConsumerRestartNotLeakThreadTest.java b/camel-core/src/test/java/org/apache/camel/component/file/FileConsumerRestartNotLeakThreadTest.java new file mode 100644 index 0000000..aa8e5cb --- /dev/null +++ b/camel-core/src/test/java/org/apache/camel/component/file/FileConsumerRestartNotLeakThreadTest.java @@ -0,0 +1,65 @@ +/** + * 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.camel.component.file; + +import org.apache.camel.ContextTestSupport; +import org.apache.camel.Exchange; +import org.apache.camel.builder.RouteBuilder; + +public class FileConsumerRestartNotLeakThreadTest extends ContextTestSupport { + + @Override + protected void setUp() throws Exception { + deleteDirectory("target/leak"); + super.setUp(); + } + + public void testLeak() throws Exception { + int before = Thread.activeCount(); + + getMockEndpoint("mock:foo").expectedMessageCount(1); + template.sendBodyAndHeader("file:target/leak", "Hello World", Exchange.FILE_NAME, "hello.txt"); + assertMockEndpointsSatisfied(); + + for (int i = 0; i < 50; i++) { + context.stopRoute("foo"); + context.startRoute("foo"); + } + + resetMocks(); + + getMockEndpoint("mock:foo").expectedMessageCount(1); + template.sendBodyAndHeader("file:target/leak", "Bye World", Exchange.FILE_NAME, "bye.txt"); + assertMockEndpointsSatisfied(); + + int active = Thread.activeCount() - before; + log.info("Active threads after restarts: {}", active); + + assertTrue("There should not be so many active threads, was " + active, active < 10); + } + + @Override + protected RouteBuilder createRouteBuilder() throws Exception { + return new RouteBuilder() { + @Override + public void configure() throws Exception { + from("file:target/leak").routeId("foo") + .to("mock:foo"); + } + }; + } +}
