My Oracle Support Banner

EM13c : EMD pingOMS Error: Unable to connect handshake has no peer (Doc ID 2807551.1)

Last updated on APRIL 06, 2023

Applies to:

Enterprise Manager Base Platform - Version 13.4.0.0.0 and later
Information in this document applies to any platform.

Symptoms

Enterprise Manager (EM) Cloud Control, Agent Fails to start and Ping OMS gives the following error:

$ emctl start agent
Oracle Enterprise Manager Cloud Control 13c Release 4
Copyright (c) 1996, 2020 Oracle Corporation. All rights reserved.
Starting agent ................................ may have started but its status cannot be determined.

$ emctl status agent
Oracle Enterprise Manager Cloud Control 13c Release 4
Copyright (c) 1996, 2020 Oracle Corporation. All rights reserved.
---------------------------------------------------------------
Status agent Failure:unable to connect to http server at <Agent_URL> [handshake has no peer]

Error stack observed from <Agent_Inst>/sysman/log/emagent.nohup file:

----- 2021-09-15 11:32:13,868::134740::Launching the JVM with following options: -Xmx128M -XX:MaxMetaspaceSize=224M -server -Djava.security.egd=file:///dev/./urandom -Dsun.lang.ClassLoader.allowArraySyntax=true -XX:-UseLargePages -XX:+UseLinuxPosixThreadCPUClocks -XX:+UseConcMarkSweepGC -XX:+CMSClassUnloadingEnabled -XX:+UseCompressedOops -DHTTPClient.dontSeekTerminatingChunk=true -----
----- 2021-09-15 11:32:13,869::134740::Agent Launched with PID 20019 at time 2021-09-15 11:32:13,869 -----
----- 2021-09-15 11:32:13,869::20019::Execing EMAgent process is taking longer than expected 120 secs -----
----- 2021-09-15 11:32:13,870::20019::Time elapsed between Launch of Watchdog process and execing EMAgent is 1401 secs -----
----- 2021-09-15 11:43:31,244::134740::Checking status of EMAgent : 20019 -----
----- 2021-09-15 11:43:31,244::134740::Hang detected for EMAgent : 20019 -----
----- 2021-09-15 11:43:31,244::134740::Debugging component EMAgent -----
----- 2021-09-15 11:43:31,244::generate first thread dump file for diagnosis -----
----- 2021-09-15 11:43:46,752::generate second thread dump file for diagnosis -----
----- 2021-09-15 11:43:46,878::generate Threads.20019lsof.1 for diagnosis -----
----- Attempting to kill EMAgent : 20019 -----
----- 2021-09-15 11:43:51,979::134740::EMAgent exited at 2021-09-15 11:43:51,979 with signal 9 -----
----- 2021-09-15 11:43:51,979::134740::EMAgent either hung or in abnormal state. -----
----- 2021-09-15 11:43:51,979::134740::EMAgent will be restarted/thrashed. -----
----- 2021-09-15 11:43:51,979::134740::EMAgent is Thrashing. Exiting loop. -----
----- 2021-09-15 11:43:51,979::134740::Commiting Process death. -----
----- 2021-09-15 11:43:51,979::134740::writeAbnormalExitTimestampToAgntStmp: exitCause=ABNORMAL : restartRequired=0 -----
----- 2021-09-15 11:43:51,979::134740::Exited due to Thrash. -----

 

Cause

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
Symptoms
Cause
Solution


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