[TUSCANY-2345] NPE from implementation.resource for missing location attribute

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Java-SCA-1.x
• Fix Version/s: Java-SCA-1.x
• Component/s: Java SCA Misc Implementation Extensions
• Environment: Windows XP
• Assignee: Ramkumar Ramalingam
• Reporter: Ramkumar Ramalingam
• Created: 28/May/08 06:57
• Updated: 13/Jun/08 12:50
• Resolved: 28/May/08 17:17

Description

java.lang.NullPointerException
at org.apache.tuscany.sca.implementation.resource.provider.ResourceImplementationProvider.createInvoker(ResourceImplementationProvider.java:49)
at org.apache.tuscany.sca.core.assembly.RuntimeWireImpl.addImplementationInterceptor(RuntimeWireImpl.java:315)
at org.apache.tuscany.sca.core.assembly.RuntimeWireImpl.initInvocationChains(RuntimeWireImpl.java:188)
at org.apache.tuscany.sca.core.assembly.RuntimeWireImpl.getInvocationChains(RuntimeWireImpl.java:109)
at org.apache.tuscany.sca.core.assembly.RuntimeWireImpl.getInvocationChain(RuntimeWireImpl.java:115)
at org.apache.tuscany.sca.core.assembly.RuntimeComponentServiceImpl.getInvocationChain(RuntimeComponentServiceImpl.java:125)
at org.apache.tuscany.sca.binding.sca.impl.RuntimeSCAReferenceBindingProvider.getInvoker(RuntimeSCAReferenceBindingProvider.java:182)
at org.apache.tuscany.sca.binding.sca.impl.RuntimeSCAReferenceBindingProvider.createInvoker(RuntimeSCAReferenceBindingProvider.java:195)
at org.apache.tuscany.sca.core.assembly.RuntimeWireImpl.addReferenceBindingInterceptor(RuntimeWireImpl.java:228)
at org.apache.tuscany.sca.core.assembly.RuntimeWireImpl.initInvocationChains(RuntimeWireImpl.java:167)
at org.apache.tuscany.sca.core.assembly.RuntimeWireImpl.getInvocationChains(RuntimeWireImpl.java:109)
at org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.getInvocationChain(JDKInvocationHandler.java:243)
at org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:148)
at $Proxy0.get(Unknown Source)

NPE is thrown from ResourceImplementationProvider, when the composite is provided with missing location attribute. Need to catch this exception and throw a meaningful message for the user.