ELM 9.2: From Find Learning Page, When Learner click Launch, Which Enrolls Learner, in App Server Log Files Contains Warning Messages "Cannot be serialized. (2,694) and Failed to serialize an object of class (2,275)"

(Doc ID 2161442.1)

Last updated on FEBRUARY 13, 2017

Applies to:

PeopleSoft Enterprise ELM Enterprise Learning Management - Version 9.2 to 9.2 [Release 9]
Information in this document applies to any platform.

Symptoms

Logged in as Learner, From Find Learning, click Launch button, which enrolls and launches web-based content, receive messages in App server log, cannot be serialized. (2,694) and Failed to serialize an object of class (2,275).

ERROR

“LM_ENRLMT_CI_LM_ENRLMTCollection cannot be serialized. (2,694)” and “Failed to serialize an object of class LM_ENRLMT_CI_LM_ENRLMTCollection. (2,275)”

.....

 

(Other same type of messages )
 
An object of class ApiObject(LM_ENRLMT_CI_LM_CI_PRQ_VWCollection) failed to serialize
An object of class ApiObject(LM_ENRLMT_CI_LM_CI_PRQ_VW) failed to serialize.




Steps to Replicate Issue:
 
The issue can be reproduced at will with the following steps:
 
1. Log in as a Learner
2. From Find Learning page, Search for a Class to Launch, which triggers the enrollment process.
3. Notice that in the App server log file, messages “LM_ENRLMT_CI_LM_ENRLMTCollection cannot be serialized. (2,694)” and “Failed to serialize an object of class LM_ENRLMT_CI_LM_ENRLMTCollection. (2,275)”
 


 

Cause

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