Oracle SOA Suite 12c - Exception handled by CatchAll instead subLanguageExecutionFault

Hi!

BPEL received an exception:

"<?xml version= " 1.0 "encoding=" UTF-8"?><bpelFault>

   <faultType>0</faultType>

   <subLanguageExecutionFault xmlns="http://docs.oasis-open.org/wsbpel/2.0/process/executable">

      <part name= "summary">

         <summary>An error occurs while processing the XPath expression..."

I expect it to be handled by the standard bpelx: subLanguageExecutionFault. However the exception is handled by CatchAll.

Why is the exception handled by CatchAll and not by Catch as expected?