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From "Charles Moulliard (JIRA)" <j...@apache.org>
Subject [jira] Created: (CAMEL-994) NullPointerException is raised by the Camel Event endpoint (org.apache.camel.component.event.EventEndpoint) during message sending (= produce)
Date Fri, 17 Oct 2008 08:18:52 GMT
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: 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();
                }
        }
       
} 

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