NullPointerException in WireFormatJMSDefaultReferenceInterceptor
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Key: TUSCANY-3681
URL: https://issues.apache.org/jira/browse/TUSCANY-3681
Project: Tuscany
Issue Type: Bug
Affects Versions: Java-SCA-1.6
Environment: JDK 1.6.0_21, Windows XP
Reporter: Sebastian Millies
I call a service method exposed by a JMS binding. However, at the time when the
constructor of
org.apache.tuscany.sca.binding.jms.wireformat.jmsdefault.runtim.WireFormatJMSDefaultReferenceInterceptor
is executed, the inputWrapperMap argument is empty (size 0), which leads to a
NullPointerException later on when the requestMsg is constructed in method
invokeRequest.
The stack trace is this:
java.lang.NullPointerException
at
org.apache.tuscany.sca.binding.jms.wireformat.jmsdefault.runtime.WireFormatJMSDefaultReferenceInterceptor.invokeRequest(WireFormatJMSDefaultReferenceInterceptor.java:99)
at
org.apache.tuscany.sca.binding.jms.wireformat.jmsdefault.runtime.WireFormatJMSDefaultReferenceInterceptor.invoke(WireFormatJMSDefaultReferenceInterceptor.java:78)
at
org.apache.tuscany.sca.binding.jms.provider.RRBJMSBindingInvoker.invoke(RRBJMSBindingInvoker.java:203)
at
org.apache.tuscany.sca.core.databinding.wire.PassByValueInterceptor.invoke(PassByValueInterceptor.java:55)
at
org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:349)
at
org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:193)
at $Proxy10.log_lmt(Unknown Source)
at logtester.LogServiceTester.main(LogServiceTester.java:49)
strangely, the Exception goes away when I specify a wire format of "jmsTextXML"
on the binding (as shown below), but not if I specify "jmsdefault". I don't
expect to be passing text messages.
<service name="LogService">
<interface.java interface="com.softwareag.ps.platform.log.LogService"/>
<binding.jms
initialContextFactory="org.apache.activemq.jndi.ActiveMQInitialContextFactory"
jndiURL="tcp://localhost:61619">
<destination create="ifnotexist" name="RequestQueue" type="queue"/>
<ts:wireFormat.jmsTextXML/>
</binding.jms>
</service>
I attach a very bare bones Eclipse project with one interface, one impl class,
one composite file and one testdriver. The project uses a user library called
TUSCANY for the Tuscany classes.
-- Sebastian
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