EM 12c, EM 13: Enterprise Manager Cloud Control Agent Block- Resync Fails with Message: Error deploying metric extensions: JBO-AGENT_TARGET_LINK_BROKEN: CaughtTMExchangeException while testing target availablity (Doc ID 1951418.1)

Last updated on JUNE 20, 2023

Applies to:

Symptoms

Agent is blocked with the following messages

Plugin mismatches between agent and repository. Check plugin:[ The plug-in is
oracle.sysman.db Version in pla inventory : 12.1.0.3.0 Version on agent :
null Content type : AGENT Error code : NOT_FOUND_IN_INPUT
Error Msg : This plug-in is present in the inventory for the given agent but has not been provided in the input]

 Agent resync failed with following message

resyncState: IN executeCommand
resyncState: validated parameters
Starting resync RESYNC_20130723113955 for agent
<hostname>:3872
Getting list of all the Targets to remove from the the agent -
<hostname>:3872
Removing 88 targets from the agent
Removing list of plugins from the agent
Getting list of all the Targets from the repository for the agent -
<hostname>:3872
Pushing list of plugins to the agent
Promoting list of targets to the agent
Re-deploying Metric Extensions to the targets
Error deploying metric extensions: JBO-AGENT_TARGET_LINK_BROKEN: Caught
TMExchangeException while testing target availablity
Error deploying metric extensions: JBO-AGENT_TARGET_LINK_BROKEN: Caught
........
TMExchangeException while testing target availablity

 $/AGENT_INST/bin/emctl status agent

Heartbeat Status shows Agent is blocked

Oracle Enterprise Manager Cloud Control 12c Release 2
Copyright (c) 1996, 2012 Oracle Corporation.  All rights reserved.
---------------------------------------------------------------
Agent Version     : 12.1.0.2.0
OMS Version       : (unknown)
Protocol Version  : 12.1.0.1.0
Agent Home        : <AGENT_INST_HOME>
Agent Binaries    : $AGENT_BASE/core/12.1.0.2.0
Agent Process ID  : 63782
Parent Process ID : 63598
Agent URL         : https://<hostname>:3872/emd/main/
Repository URL    : https://<hostname>:4900/empbs/upload
Started at        : 2013-07-26 19:44:39
Started by user   : <user>
Last Reload       : (none)
Last successful upload                       : (none)
Last attempted upload                        : 2013-08-06 07:14:43
Total Megabytes of XML files uploaded so far : 0
Number of XML files pending upload           : 4,868
Size of XML files pending upload(MB)         : 10.83
Available disk space on upload filesystem    : 92.11%
Collection Status                            : Collections enabled
Heartbeat Status                             : Agent is blocked
Last attempted heartbeat to OMS              : 2013-08-06 11:21:16
Last successful heartbeat to OMS             : (none)
Next scheduled heartbeat to OMS              : 2013-08-06 11:24:16

---------------------------------------------------------------
Agent is Running and Ready

Cause

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