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EM 13.2 Agent on IBM AIX - Agent is Unreachable (REASON = unable to connect to http server at https://hostname:port/emd/main/. [handshake has no peer]) but the host is reachable. (Doc ID 2566311.1)

Last updated on NOVEMBER 08, 2019

Applies to:

Enterprise Manager Base Platform - Version 13.2.0.0.0 and later
IBM AIX on POWER Systems (64-bit)

Symptoms

Receiving the following unreachable alerts for 13.2 Agent running on AIX and gets cleared in few mins:

Agent is Unreachable (REASON = unable to connect to http server at https://hostanme:port/emd/main/. [handshake has no peer]) but the host is reachable.

emctl commands from agent home throws the below error:

oracle@<hostname>:<AGENT_INST>/bin> ./emctl upload agent
Oracle Enterprise Manager Cloud Control 13c Release 2
Copyright (c) 1996, 2016 Oracle Corporation.  All rights reserved.
---------------------------------------------------------------
Status agent Failure:unable to connect to http server at https://<hostname>:<port>/emd/lifecycle/main/.
 [handshake has no peer]

oracle@<hostname>:<AGENT_INST>/bin> ./emctl pingOMS
Oracle Enterprise Manager Cloud Control 13c Release 2
Copyright (c) 1996, 2016 Oracle Corporation.  All rights reserved.
---------------------------------------------------------------
EMD pingOMS error: unable to connect to http server at https://<hostname>:<port>/emd/main/. [handshake has no peer]

 

Observed the following errors in emagent.nohup:

---2019-06-22 06:04:24,700Detected a gap of (1458108) that is greater than the allowed tolerance of (150000)
----- 2019-06-22 06:04:29,872::27984462::Checking status of EMAgent : 51183956 -----
---- 2019-06-22 06:04:29,872::27984462::Hang detected for EMAgent : 51183956 -----
----- 2019-06-22 06:04:29,872::27984462::Debugging component EMAgent -----
----- 2019-06-22 06:04:29,873::generate first thread dump file for diagnosis -----
JVMDUMP039I Processing dump event "user", detail "" at 2019/06/22 06:04:49 - please wait.
JVMDUMP032I JVM requested Java dump using '<AGENT_INST>/sysman/emd/javacore.20190401.222749.51183956.0001.txt' in response to an event
JVMDUMP010I Java dump written to <AGENT_INST>/sysman/emd/javacore.20190401.222749.51183956.0001.txt
JVMDUMP013I Processed dump event "user", detail "".
----- 2019-06-22 06:04:59,929::generate second thread dump file for diagnosis -----
JVMDUMP039I Processing dump event "user", detail "" at 2019/06/22 06:04:59 - please wait.
JVMDUMP032I JVM requested Java dump using '<AGENT_INST>/sysman/emd/javacore.20190401.222759.51183956.0002.txt' in response to an event
----- 2019-06-22 06:04:59,985::generate Threads.51183956lsof.1 for diagnosis -----
----- Attempting to kill EMAgent : 51183956 -----
----- 2019-06-22 06:05:05,208::27984462::EMAgent exited at 2019-06-22 06:05:05,207 with signal 9 -----
----- 2019-06-22 06:05:05,208::27984462::EMAgent either hung or in abnormal state. -----
----- 2019-06-22 06:05:05,208::27984462::EMAgent will be restarted/thrashed. -----
----- 2019-06-22 06:05:05,208::27984462::writeAbnormalExitTimestampToAgntStmp: exitCause=ABNORMAL : restartRequired=1 -----
----- 2019-06-22 06:05:05,209::27984462::Restarting EMAgent. -----

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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