/**
* 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.issues;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.processor.RoutingSlip;
public class RoutingSlipMemoryLeakTest extends ContextTestSupport {
@Override
protected void setUp() throws Exception {
deleteDirectory("target/output");
super.setUp();
}
/**
* Reproducer for the memory leak: CAMEL-10048
*/
public void testMemoryLeakInExceptionHandlerCaching() throws Exception {
int messageCount = 100;
for (int i = 0; i < messageCount; i++) {
template.sendBody("direct:start", "message " + i);
}
RoutingSlip routingSlip = context.getProcessor("memory-leak", RoutingSlip.class);
assertNotNull(routingSlip);
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
@Override
public void configure() throws Exception {
errorHandler(deadLetterChannel("mock:dead"));
from("direct:start")
.routingSlip(method(SlipProvider.class)).id("memory-leak");
}
};
}
public static class SlipProvider {
public String computeSlip(String body) {
/*
* It is important to have a processor here, that does not extend
* AsyncProcessor. Only in this case
* AsyncProcessorConverterHelper.convert() creates a new object,
* thus leading to a memory leak. For example, if you replace file
* endpoint with mock endpoint, then everything goes fine, because
* MockEndpoint.createProducer() creates an implementation of
* AsyncProcessor.
*/
return "file:target/output";
}
}
}