Best way to check for well formed XML in Mule (3.4) -

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what current best approach checking incoming xml message formed in mule?

for example if send badly formed (or non) xml choice mule throws error , flow stops:

<choice>        <when expression="#[xpath('fn:count(//event/@publicid)') != 0]"> ....

the error like:

[fatal error] :1:1: content not allowed in prolog. java.lang.runtimeexception: org.mule.api.muleruntimeexception: failed evaluate xpath    expression: "fn:count(//event/@publicid)" @ org.mule.module.xml.el.xpathfunction.call(xpathfunction.java:50)

and, alternatively, there way catch , ignore error in flow? i've tried exception strategies per docs , got no where.

thanks, geoff

you might have solved now, there's convenient filter in mule xml module may help:

<mulexml:is-xml-filter />

this filters out non/bad xml. can use message-filter route dlq or throw exception etc.

also can catch exception follows:

<choice-exception-strategy>    <catch-exception-strategy when="#[exception.causedby(org.mule.api.muleruntimeexception)]">       <logger level="error" message="not xml" />    </catch-exception-strategy> </choice-exception-strategy>

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