XPath Expression Failed To Execute. The Reason Was: "Extension Function Error: Class Not Found" (Doc ID 3041225.1)

Last updated on AUGUST 13, 2024

Applies to:

Symptoms

On : 12.2.1.4.0 version, BPEL Service Engine

XPath expression failed to execute. The reason was: "Extension function error: Class not found"

BPEL Fault Message:
XPath expression failed to execute.
An error occurs while processing the XPath expression; the expression is oraext:parseXML(b64decode:base64Decoder(ora:readFile('oramds:/apps/dvm/Underwriting/TestFile.dvm')))
The XPath expression failed to execute; the reason was: Extension function error: Class not found 'xxxxxxxx.customxpathfunctions.io.Base64Decoder'
Check the detailed root cause described in the exception message text and verify that the XPath query is correct.
}

FMW_HOME=/ybs/u001/sw/dba/oracle/DEV12214/product/fmw/fmwHome
On our servers, we have installed and deployed the CustomXpathFunctions in the paths as seen below.
%FMW_HOME%/soa/soa/modules/oracle.soa.ext_11.1.1/CustomXPathFunctions-1.0.jar

 
The logs will show an error like this:

Cause

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