TUSCANY-3530 - not a solution for property type validation but display more info at runtime when a simple type conversion fails. We need to validate the property types at read or build time.

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@932370 13f79535-47bb-0310-9956-ffa450edef68

3 files changed, 15 insertions, 2 deletions

diff --git a/sca-java-2.x/trunk/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBContextHelper.java b/sca-java-2.x/trunk/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBContextHelper.java
index 81f4475f4b..50fc346270 100644
--- a/sca-java-2.x/trunk/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBContextHelper.java
+++ b/sca-java-2.x/trunk/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBContextHelper.java
@@ -182,7 +182,17 @@ public final class JAXBContextHelper {
             return createJAXBElement(context, dataType, value);
         } else {
             if (value instanceof JAXBElement) {
-                return ((JAXBElement)value).getValue();
+                Object returnValue = ((JAXBElement)value).getValue();
+                
+                if (returnValue == null){
+                    // TUSCANY-3530
+                    // something went wrong in the transformation that 
+                    // generated the JAXBElement. Have seen this when trying
+                    // to convert a value to a simple type with an incompatible
+                    // value. 
+                    throw new TransformationException("Null returned when trying to convert value to: " + cls.getName());
+                }
+                return returnValue;
             } else {
                 return value;
             }
diff --git a/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/context/ReflectiveInstanceFactory.java b/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/context/ReflectiveInstanceFactory.java
index 8189271ed5..209546ce2f 100644
--- a/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/context/ReflectiveInstanceFactory.java
+++ b/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/context/ReflectiveInstanceFactory.java
@@ -83,7 +83,7 @@ public class ReflectiveInstanceFactory<T> implements InstanceFactory<T> {
                         if (destroyInvoker != null) {
                             destroyInvoker.invokeEvent(instance);
                         }
-                        throw new ObjectCreationException("Exception invoking injector", e);
+                        throw new ObjectCreationException("Exception invoking injector - " + e.getMessage(), e);
                     }
             }
         }
diff --git a/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaImplementationInvoker.java b/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaImplementationInvoker.java
index 26e1e56845..4d54fbd46c 100644
--- a/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaImplementationInvoker.java
+++ b/sca-java-2.x/trunk/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/JavaImplementationInvoker.java
@@ -23,6 +23,7 @@ import java.lang.reflect.Method;
 
 import org.apache.tuscany.sca.assembly.EndpointReference;
 import org.apache.tuscany.sca.core.factory.InstanceWrapper;
+import org.apache.tuscany.sca.core.factory.ObjectCreationException;
 import org.apache.tuscany.sca.core.scope.ScopeContainer;
 import org.apache.tuscany.sca.core.scope.ScopedRuntimeComponent;
 import org.apache.tuscany.sca.implementation.java.JavaImplementation;
@@ -137,6 +138,8 @@ public class JavaImplementationInvoker implements Invoker {
                 }
             }            
                 
+        } catch (ObjectCreationException e) {
+            throw new ServiceRuntimeException(e.getMessage(), e);
         } catch (Exception e) {
             msg.setFaultBody(e);           
         } finally {