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From "Claus Ibsen" ...@silverbullet.dk>
Subject RE: Null pointer exception created for a CamelEvent !
Date Fri, 17 Oct 2008 07:35:23 GMT
Hi Charles

Could you create a ticket in the bug tracker. Looks like the event component has an issue
with sending (producing).

This component hasn't been used (much).


Med venlig hilsen
 
Claus Ibsen
......................................
Silverbullet
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Web: www.silverbullet.dk
-----Original Message-----
From: cmoulliard [mailto:cmoulliard@gmail.com] 
Sent: 17. oktober 2008 09:28
To: camel-user@activemq.apache.org
Subject: Null pointer exception created for a CamelEvent !


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: com.sun.jmx.mbeanserver.JmxMBeanServer@1503a3
[                          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: org.apache.camel.component.event.EventComponent@872380
[                          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:
org.apache.camel.component.mock.MockComponent@e0b6f5
[                          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();
		}
	}
	
}



KR,

Charles Moulliard

-----
Enterprise Architect

Xpectis
12, route d'Esch
L-1470 Luxembourg

Phone +352 25 10 70 470
Mobile +352 621 45 36 22

e-mail : cmoulliard@xpectis.com
web site :  www.xpectis.com www.xpectis.com 
My Blog :  http://cmoulliard.blogspot.com/ http://cmoulliard.blogspot.com/  
-- 
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