NullPointerException is raised by the Camel Event endpoint
(org.apache.camel.component.event.EventEndpoint) during message sending (=
produce)
----------------------------------------------------------------------------------------------------------------------------------------------
Key: CAMEL-994
URL: https://issues.apache.org/activemq/browse/CAMEL-994
Project: Apache Camel
Issue Type: Bug
Components: camel-spring
Affects Versions: 1.4.0
Reporter: Charles Moulliard
Hi,
I have the following error generated :
[ main] DefaultCamelContext INFO JMX
enabled. Using InstrumentationLifecycleStrategy.
[ main] DefaultCamelContext DEBUG Adding
routes from: Routes: [Route[ [From[event://default]] -> [To[mock:test]]]]
routes: []
[ main] DefaultInstrumentationAgent DEBUG Starting
JMX agent on server: [EMAIL PROTECTED]
[ main] DefaultInstrumentationAgent DEBUG
Registered MBean with objectname:
org.apache.camel:context=dell-charles/camel-1,name=context
[ main] DefaultComponentResolver DEBUG Found
component: event via type: org.apache.camel.component.event.EventComponent via
META-INF/services/org/apache/camel/component/event
[ main] DefaultComponent DEBUG Creating
endpoint uri=[event://default], path=[default], parameters=[{}]
[ main] DefaultCamelContext DEBUG
event://default converted to endpoint: Endpoint[event://default] by component:
[EMAIL PROTECTED]
[ main] DefaultInstrumentationAgent DEBUG
Registered MBean with objectname:
org.apache.camel:context=dell-charles/camel-1,type=endpoints,name="event://default\?id=0xdaebda6"
[ main] DefaultInstrumentationAgent DEBUG
Registered MBean with objectname:
org.apache.camel:context=dell-charles/camel-1,type=processors,nodeid=to1,name="To[mock:test]"
[ main] DefaultComponentResolver DEBUG Found
component: mock via type: org.apache.camel.component.mock.MockComponent via
META-INF/services/org/apache/camel/component/mock
[ main] DefaultComponent DEBUG Creating
endpoint uri=[mock:test], path=[test], parameters=[{}]
[ main] DefaultCamelContext DEBUG mock:test
converted to endpoint: Endpoint[mock:test] by component: [EMAIL PROTECTED]
[ main] DefaultInstrumentationAgent DEBUG
Registered MBean with objectname:
org.apache.camel:context=dell-charles/camel-1,type=endpoints,name="mock:test\?id=0x1f9866cb"
[ main] DefaultInstrumentationAgent DEBUG
Registered MBean with objectname:
org.apache.camel:context=dell-charles/camel-1,type=routes,name="node1"
[ main] DefaultInstrumentationAgent DEBUG
Registered MBean with objectname:
org.apache.camel:context=dell-charles/camel-1,type=consumers,name=EventConsumer(0x97a560)
[ main] ProducerCache DEBUG >>>>
Endpoint[event://default] Exchange[Message: Hello there!]
[ main] ResolverUtil DEBUG Searching
for annotations of org.apache.camel.Converter in packages:
[org.apache.camel.converter, org.apache.camel.component.cxf.converter,
org.apache.camel.spring.converter]
[ main] ResolverUtil DEBUG Using
only regular classloaders
[ main] ResolverUtil DEBUG Loading
from jar:
C:\.m2\repository\org\apache\camel\camel-core\1.5-SNAPSHOT\camel-core-1.5-SNAPSHOT.jar
[ main] ResolverUtil DEBUG Using
only regular classloaders
[ main] ResolverUtil DEBUG Loading
from jar:
C:\.m2\repository\org\apache\camel\camel-cxf\1.5-SNAPSHOT\camel-cxf-1.5-SNAPSHOT.jar
[ main] ResolverUtil DEBUG Using
only regular classloaders
[ main] ResolverUtil DEBUG Found:
[class org.apache.camel.converter.stream.StreamCacheConverter, class
org.apache.camel.converter.CamelConverter, class
org.apache.camel.converter.IOConverter, class
org.apache.camel.converter.jaxp.DomConverter, class
org.apache.camel.converter.jaxp.StaxConverter, class
org.apache.camel.converter.jaxp.StreamSourceConverter, class
org.apache.camel.converter.ObjectConverter, class
org.apache.camel.converter.NIOConverter, class
org.apache.camel.component.cxf.converter.CxfConverter, class
org.apache.camel.converter.jaxp.XmlConverter, class
org.apache.camel.converter.CollectionConverter]
[ main] AnnotationTypeConverterLoader DEBUG Loading
converter class: org.apache.camel.converter.stream.StreamCacheConverter
[ main] AnnotationTypeConverterLoader DEBUG Loading
converter class: org.apache.camel.converter.CamelConverter
[ main] AnnotationTypeConverterLoader DEBUG Loading
converter class: org.apache.camel.converter.IOConverter
[ main] AnnotationTypeConverterLoader DEBUG Loading
converter class: org.apache.camel.converter.jaxp.DomConverter
[ main] AnnotationTypeConverterLoader DEBUG Loading
converter class: org.apache.camel.converter.jaxp.StaxConverter
[ main] AnnotationTypeConverterLoader DEBUG Loading
converter class: org.apache.camel.converter.jaxp.StreamSourceConverter
[ main] AnnotationTypeConverterLoader DEBUG Loading
converter class: org.apache.camel.converter.ObjectConverter
[ main] AnnotationTypeConverterLoader DEBUG Loading
converter class: org.apache.camel.converter.NIOConverter
[ main] AnnotationTypeConverterLoader DEBUG Loading
converter class: org.apache.camel.component.cxf.converter.CxfConverter
[ main] AnnotationTypeConverterLoader DEBUG Loading
converter class: org.apache.camel.converter.jaxp.XmlConverter
[ main] DefaultTypeConverter WARN
Overriding type converter from: StaticMethodTypeConverter: public static
java.lang.String
org.apache.camel.converter.IOConverter.toString(javax.xml.transform.Source)
throws javax.xml.transform.TransformerException,java.io.IOException to:
InstanceMethodTypeConverter: public java.lang.String
org.apache.camel.converter.jaxp.XmlConverter.toString(javax.xml.transform.Source)
throws javax.xml.transform.TransformerException
[ main] AnnotationTypeConverterLoader DEBUG Loading
converter class: org.apache.camel.converter.CollectionConverter
org.apache.camel.RuntimeCamelException: java.lang.NullPointerException
at
org.apache.camel.util.ObjectHelper.wrapRuntimeCamelException(ObjectHelper.java:685)
at org.apache.camel.impl.ProducerCache.send(ProducerCache.java:90)
at
org.apache.camel.impl.DefaultProducerTemplate.send(DefaultProducerTemplate.java:85)
at
org.apache.camel.impl.DefaultProducerTemplate.sendBody(DefaultProducerTemplate.java:102)
at
org.apache.camel.impl.DefaultProducerTemplate.sendBody(DefaultProducerTemplate.java:108)
at com.xpectis.test.ProcessEvent.startCamel(ProcessEvent.java:44)
at com.xpectis.test.ProcessEvent.main(ProcessEvent.java:63)
Caused by: java.lang.NullPointerException
at
org.apache.camel.component.event.EventEndpoint$1.process(EventEndpoint.java:68)
at
org.apache.camel.impl.ProducerCache.sendExchange(ProducerCache.java:151)
at org.apache.camel.impl.ProducerCache.send(ProducerCache.java:88)
... 5 more
when I run the code above :
/**
* 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 com.xpectis.test;
import org.apache.camel.CamelContext;
import org.apache.camel.Exchange;
import org.apache.camel.ProducerTemplate;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.impl.DefaultCamelContext;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class ProcessEvent {
private static final transient Log LOG =
LogFactory.getLog(ProcessEvent.class);
protected CamelContext camelContext;
protected Object body = "Hello there!";
protected String uri = "event://default";
protected ProducerTemplate<Exchange> template = null;
public void startCamel() throws Exception {
camelContext = new DefaultCamelContext();
camelContext.addRoutes(createRouteBuilder());
camelContext.start();
template = camelContext.createProducerTemplate();
template.sendBody(uri, body);
}
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
@Override
public void configure() throws Exception {
from("event://default").to("mock:test");
}
};
}
/**
* @param args
*/
public static void main(String[] args) {
ProcessEvent event = new ProcessEvent();
try {
event.startCamel();
} catch (Exception e) {
e.printStackTrace();
}
}
}
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