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Content not allowed in prolog error in Service Bus Assign action (Doc ID 1505484.1)

Last updated on JULY 26, 2018

Applies to:

Oracle Service Bus - Version and later
Linux x86-64


When a transformation using XSLT is attempted, sometimes the error below is raised:


BEA-382510: OSB Assign action failed updating variable "runtimeInstance": javax.xml.transform.TransformerException: Content is not allowed in prolog.


This problem does not occur on Windows platform.

Findings show that manually adding a carriage return (or even a space) within the first approximately 5800 characters of the XML will result in a successful transformation. 

There are no special characters within the content of the message itself.


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