Hendrik Schöneberg created CAMEL-5457:
-----------------------------------------
Summary: NPE in CamelNamespaceHandler
Key: CAMEL-5457
URL: https://issues.apache.org/jira/browse/CAMEL-5457
Project: Camel
Issue Type: Bug
Components: camel-spring
Affects Versions: 2.10.0
Environment: Ubuntu 12.04 64bit, Oracle JDK 7 64bit (build
1.7.0_05-b05), camel-{core, jms, spring}-2.10.0, spring-{beans, context,
etc...}-3.1.2.RELEASE
Reporter: Hendrik Schöneberg
Hey everyone,
after updating to JDK 7 I keep running into problems when starting up my Spring
application: The system crashes with a NPE thrown within the
CamelNamespaceHandler in about 30% of all startups.
{{Caused by: java.lang.NullPointerException
at
com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.checkOverrideProperties(ClassBeanInfoImpl.java:190)
at
com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.<init>(ClassBeanInfoImpl.java:171)
at
com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:494)
at
com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:513)
at
com.sun.xml.internal.bind.v2.runtime.property.ArrayReferenceNodeProperty.<init>(ArrayReferenceNodeProperty.java:72)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
at
com.sun.xml.internal.bind.v2.runtime.property.PropertyFactory.create(PropertyFactory.java:113)
at
com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.<init>(ClassBeanInfoImpl.java:166)
at
com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:494)
at
com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.<init>(ClassBeanInfoImpl.java:153)
at
com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:494)
at
com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:513)
at
com.sun.xml.internal.bind.v2.runtime.property.ArrayReferenceNodeProperty.<init>(ArrayReferenceNodeProperty.java:72)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
at
com.sun.xml.internal.bind.v2.runtime.property.PropertyFactory.create(PropertyFactory.java:113)
at
com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.<init>(ClassBeanInfoImpl.java:166)
at
com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:494)
at
com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:513)
at
com.sun.xml.internal.bind.v2.runtime.property.ArrayReferenceNodeProperty.<init>(ArrayReferenceNodeProperty.java:72)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
at
com.sun.xml.internal.bind.v2.runtime.property.PropertyFactory.create(PropertyFactory.java:113)
at
com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.<init>(ClassBeanInfoImpl.java:166)
at
com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:494)
at
com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.<init>(ClassBeanInfoImpl.java:153)
at
com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:494)
at
com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:513)
at
com.sun.xml.internal.bind.v2.runtime.property.SingleElementNodeProperty.<init>(SingleElementNodeProperty.java:90)
at sun.reflect.GeneratedConstructorAccessor15.newInstance(Unknown
Source)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
at
com.sun.xml.internal.bind.v2.runtime.property.PropertyFactory.create(PropertyFactory.java:113)
at
com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.<init>(ClassBeanInfoImpl.java:166)
at
com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:494)
at
com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:513)
at
com.sun.xml.internal.bind.v2.runtime.property.ArrayElementProperty.<init>(ArrayElementProperty.java:97)
at
com.sun.xml.internal.bind.v2.runtime.property.ArrayElementNodeProperty.<init>(ArrayElementNodeProperty.java:47)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
at
com.sun.xml.internal.bind.v2.runtime.property.PropertyFactory.create(PropertyFactory.java:113)
at
com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.<init>(ClassBeanInfoImpl.java:166)
at
com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:494)
at
com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:311)
at
com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:126)
at
com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl$JAXBContextBuilder.build(JAXBContextImpl.java:1142)
at
com.sun.xml.internal.bind.v2.ContextFactory.createContext(ContextFactory.java:130)
at
com.sun.xml.internal.bind.v2.ContextFactory.createContext(ContextFactory.java:221)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:172)
at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:132)
at javax.xml.bind.ContextFinder.find(ContextFinder.java:347)
at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:431)
at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:394)
at
org.apache.camel.spring.handler.CamelNamespaceHandler.createJaxbContext(CamelNamespaceHandler.java:187)
at
org.apache.camel.spring.handler.CamelNamespaceHandler.getJaxbContext(CamelNamespaceHandler.java:174)
at
org.apache.camel.spring.handler.CamelNamespaceHandler$CamelContextBeanDefinitionParser.doParse(CamelNamespaceHandler.java:302)
at
org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser.parseInternal(AbstractSingleBeanDefinitionParser.java:85)
at
org.springframework.beans.factory.xml.AbstractBeanDefinitionParser.parse(AbstractBeanDefinitionParser.java:59)
at
org.springframework.beans.factory.xml.NamespaceHandlerSupport.parse(NamespaceHandlerSupport.java:73)
at
org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1419)
at
org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1409)
at
org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:184)
at
org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.doRegisterBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:140)
at
org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:111)
at
org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(XmlBeanDefinitionReader.java:493)
at
org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:390)
... 39 more}}
>From the _beans.xml_ I include additional xmls for JMS-Broker creation (Apache
>ActiveMQ 5.6.0) and camel route setup, the camel config file is as follows:
{{<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xmlns:camel="http://camel.apache.org/schema/spring";
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
http://camel.apache.org/schema/spring
http://camel.apache.org/schema/spring/camel-spring-2.10.0.xsd
">
<!-- JMS RELATED STUFF -->
<!-- connection factory -->
<bean id="jmsConnectionFactory"
class="org.apache.activemq.ActiveMQConnectionFactory"
depends-on="wuesyphusBroker">
...
</bean>
<bean id="pooledConnectionFactory"
class="org.apache.activemq.pool.PooledConnectionFactory"
depends-on="wuesyphusBroker">
...
</bean>
<bean id="jmsConfig"
class="org.apache.camel.component.jms.JmsConfiguration"
depends-on="wuesyphusBroker">
<property name="connectionFactory"
ref="pooledConnectionFactory" />
<property name="transacted" value="false" />
</bean>
<!-- camel component -->
<bean id="activemq"
class="org.apache.activemq.camel.component.ActiveMQComponent"
depends-on="wuesyphusBroker">
<property name="configuration" ref="jmsConfig" />
</bean>
<!-- camel setup -->
<camel:camelContext id="camelContext">
<!-- prepare templates -->
<camel:template id="tpl_broadcast"
defaultEndpoint="activemq:topic:wuesyphus.broadcast" />
<camel:template id="tpl_reply" defaultEndpoint="direct:reply" />
<!-- define endpoints -->
<!-- ... for debug -->
<camel:endpoint id="ep_err" uri="stream:err" />
<!-- ... for jms -->
<camel:endpoint id="ep_server_broadcast"
uri="activemq:topic:wuesyphus.broadcast" />
<camel:endpoint id="ep_server_msg"
uri="activemq:queue:wuesyphus.msg" />
<!-- ... for beans -->
<camel:endpoint id="ep_bean_wuesyphuscontroller"
uri="bean:wuesyphuscontroller?method=inbox( ${headers},
${body} )" />
<!-- ... for direct input -->
<camel:endpoint id="ep_reply" uri="direct:reply" />
<!-- define routes -->
<!-- standard message route -->
<camel:route>
<camel:from ref="ep_server_msg" />
<camel:to ref="ep_bean_wuesyphuscontroller" />
</camel:route>
<!-- context based router -->
<camel:route>
<camel:from ref="ep_reply" />
<camel:recipientList ignoreInvalidEndpoints="true">
<camel:header>recipient</camel:header>
</camel:recipientList>
</camel:route>
</camel:camelContext>
<!-- some other beans -->
</beans>}}
Kind regards,
Hendrik Schöneberg
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