[EM 13c]: All Jobs Stuck In Running Status After Upgrade of OMS and Agents to 13.2

(Doc ID 2322776.1)

Last updated on OCTOBER 30, 2017

Applies to:

Enterprise Manager Base Platform - Version 13.2.0.0.0 and later
Information in this document applies to any platform.

Symptoms

All the jobs are stuck in running status after OMS and agents upgrade from 13.1 to 13.2.

From agent debug logs (gcagent.log) shows following error:
===============
2017-10-18 15:55:32,837 [8612:1484EF2A] DEBUG - setting user-interaction allowed to false
2017-10-18 15:55:32,837 [8612:1484EF2A] DEBUG - Job Receiver Protocol Client [stepId:3329727,seq:1] reported error ->AsciiDecode: Failed to ascii decode input (status=525).
Decrypt: Failed to ascii decode encrypted-text (status=525).
!@#--!@#5#@!--#@!<-
2017-10-18 15:55:32,838 [8612:1484EF2A] DEBUG - HTTP request read timeout is set to 600.000(s)
2017-10-18 15:55:32,838 [8612:1484EF2A] DEBUG - sending request using JobReceiverProtocol
2017-10-18 15:55:32,838 [8612:1484EF2A] DEBUG - HTTP request (sent): POST /empbs/jobrecv/ ? X-ORCL-EMSV=13.2.0.0.0 & X-ORCL-EMCV=13.2.0.0.0 & X-ORCL-EMOV=13.2.0.0.0
X-ORCL-EMUR: https://agenthost:3872/emd/main/
stepId: 3329727
sequenceNumber: 1
dataType: error
X-ORCL-EMAK: ********************************
errorMessage: AsciiDecode: Failed to ascii decode input (status=525).
Decrypt: Failed to ascii decode encrypted-text (status=525).
!@#--!@#5#@!--#@!
2017-10-18 15:55:32,840 [8612:1484EF2A] DEBUG - HTTP response (received): HTTP/1.1 400 Bad Request
2017-10-18 15:55:32,841 [8612:1484EF2A] WARN - OMS https://omshost:1159/empbs/jobrecv/ sent content [<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>400 Bad Request</title>
</head><body>
<h1>Bad Request</h1>
<p>The request could not be understood by server due to
malformed syntax.</p>
</body></html>
] when protocol "oracle.sysman.emSDK.agent.comm.protocol.JobReceiverProtocol" indicated there would be none
2017-10-18 15:55:32,841 [8612:1484EF2A] INFO - [stepId:3329727,seqNo:1] job receiver cannot be contacted:
java.lang.Exception [error status response [400] from job receiver]
2017-10-18 15:55:32,841 [8612:1484EF2A] DEBUG - [stepId:3329727,seqNo:1] waiting 256 seconds to make another attempt
2017-10-18 15:55:32,841 [8612:1484EF2A] DEBUG - [stepId:3329727,seqNo:1] disconnecting from the job receiver

===================

Cause

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