My Oracle Support Banner

HTTP 500 Errors From WLS Within the Apache Proxy Log for a HTTP Proxy Service (Doc ID 1298697.1)

Last updated on APRIL 23, 2019

Applies to:

Oracle WebLogic Server - Version 10.0 and later
Oracle Service Bus - Version 10.3.1 and later
Information in this document applies to any platform.
***Checked for relevance on 02-June-2014***


Using Oracle Service Bus user faces HTTP 500 internal server errors intermittently in access.log for OSB http proxy requests.

By enabling pipeline debug getting the following exceptions :

<Debug> <AlsbPipeline> <york-sb> <MServer2> <[ACTIVE] ExecuteThread: '8' for queue: 'weblogic.kernel.Default (self-tuning)'> <> <> <> <1294866198373> <BEA-000000> <oft_esb/proxy/util/sendNftFile_ps: Unhandled error caught by system-level error handler OSB Assign action failed updating variable "body": Could not load the translet class 'transformXMLtoICONHTML'.
at stages.transform.runtime.AssignRuntimeStep.processMessage(




To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.