Referencing "exception" inside a groovy script should return null if there were no exception thrown

• User impact:

  Medium
• Log Output:

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  [05-02 11:16:37] ERROR DefaultMessagingExceptionStrategy [Thread-42]:
  ********************************************************************************
  Message : javax.script.ScriptException: groovy.lang.MissingPropertyException: No such property: exception for class: Script26 (org.mule.api.MuleRuntimeException). Message payload is of type: String
  Code : MULE_ERROR-29999
  --------------------------------------------------------------------------------
  Exception stack is:
  1. No such property: exception for class: Script26 (groovy.lang.MissingPropertyException)
    org.codehaus.groovy.runtime.ScriptBytecodeAdapter:50 (null)
  2. groovy.lang.MissingPropertyException: No such property: exception for class: Script26 (javax.script.ScriptException)
    org.codehaus.groovy.jsr223.GroovyScriptEngineImpl:323 (http://java.sun.com/j2ee/sdk_1.3/techdocs/api/javax/script/ScriptException.html)
  3. javax.script.ScriptException: groovy.lang.MissingPropertyException: No such property: exception for class: Script26 (org.mule.api.MuleRuntimeException)
    org.mule.module.scripting.expression.AbstractScriptExpressionEvaluator:65 (http://www.mulesoft.org/docs/site/current3/apidocs/org/mule/api/MuleRuntimeException.html)
  4. javax.script.ScriptException: groovy.lang.MissingPropertyException: No such property: exception for class: Script26 (org.mule.api.MuleRuntimeException). Message payload is of type: String (org.mule.api.MessagingException)
    org.mule.execution.ExceptionToMessagingExceptionExecutionInterceptor:35 (http://www.mulesoft.org/docs/site/current3/apidocs/org/mule/api/MessagingException.html)
  --------------------------------------------------------------------------------
  Root Exception stack trace:
  groovy.lang.MissingPropertyException: No such property: exception for class: Script26
  at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.unwrap(ScriptBytecodeAdapter.java:50)
  at org.codehaus.groovy.runtime.callsite.PogoGetPropertySite.getProperty(PogoGetPropertySite.java:49)
  at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callGroovyObjectGetProperty(AbstractCallSite.java:231)
      + 3 more (set debug level logging or '-Dmule.verbose.exceptions=true' for everything)
  ********************************************************************************
  

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  [05-02 11:16:37] ERROR DefaultMessagingExceptionStrategy [Thread-42]: ******************************************************************************** Message : javax.script.ScriptException: groovy.lang.MissingPropertyException: No such property: exception for class: Script26 (org.mule.api.MuleRuntimeException). Message payload is of type: String Code : MULE_ERROR-29999 -------------------------------------------------------------------------------- Exception stack is: 1. No such property: exception for class: Script26 (groovy.lang.MissingPropertyException)   org.codehaus.groovy.runtime.ScriptBytecodeAdapter:50 (null) 2. groovy.lang.MissingPropertyException: No such property: exception for class: Script26 (javax.script.ScriptException)   org.codehaus.groovy.jsr223.GroovyScriptEngineImpl:323 (http://java.sun.com/j2ee/sdk_1.3/techdocs/api/javax/script/ScriptException.html) 3. javax.script.ScriptException: groovy.lang.MissingPropertyException: No such property: exception for class: Script26 (org.mule.api.MuleRuntimeException)   org.mule.module.scripting.expression.AbstractScriptExpressionEvaluator:65 (http://www.mulesoft.org/docs/site/current3/apidocs/org/mule/api/MuleRuntimeException.html) 4. javax.script.ScriptException: groovy.lang.MissingPropertyException: No such property: exception for class: Script26 (org.mule.api.MuleRuntimeException). Message payload is of type: String (org.mule.api.MessagingException)   org.mule.execution.ExceptionToMessagingExceptionExecutionInterceptor:35 (http://www.mulesoft.org/docs/site/current3/apidocs/org/mule/api/MessagingException.html) -------------------------------------------------------------------------------- Root Exception stack trace: groovy.lang.MissingPropertyException: No such property: exception for class: Script26 at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.unwrap(ScriptBytecodeAdapter.java:50) at org.codehaus.groovy.runtime.callsite.PogoGetPropertySite.getProperty(PogoGetPropertySite.java:49) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callGroovyObjectGetProperty(AbstractCallSite.java:231)     + 3 more (set debug level logging or '-Dmule.verbose.exceptions=true' for everything) ********************************************************************************
• Similar Issues:

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According to http://www.mulesoft.org/documentation/display/MULECDEV/Improve+Groovy+Expression+Evaluator+Context referencing "exception" inside a groovy script should return null if there were no exception thrown, but is throwing NullPointerException.