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Neinie

In a java plugin node I am trying to overwrite an element value and upon propagate receving an MbBrokerException. I am using WMQI V2.1 fixpack 02, yes we should upgrade but we are holding off until V6 release.
TIA for all your help.

MbMessage newMsg = new MbMessage (assembly.getMessage());
MbMessageAssembly newAssembly = new MbMessageAssembly(assembly, newMsg);

MbElement rootElement = newAssembly.getMessage().getRootElement();
MbElement bodyElement = rootElement.getLastChild();

String elementValue = ("MyNumber");
MbElement numField = bodyElement.getFirstElementByPath("./numberField");
numField.setValue(elementValue);

MbOutputTerminal out = getOutputTerminal("out");
out.propagate(newAssembly);

Exception:
<com.ibm.broker.plugin.MbBrokerException source:WMQIv210 key:2230 message:[WMQIv210:2230]BIP2230E: Error detected whilst processing a message in node '{0}'.
The message broker detected an error whilst processing a message in node '{0}'. An exception has been thrown to cut short the processing of the message.
See the following messages for details of the error. : Caught exception and rethrowing >