EM 13c: Agent Resync Failed Due To Mismatching Ciphers
(Doc ID 2851006.1)
Last updated on MARCH 01, 2022
Applies to:
Enterprise Manager Base Platform - Version 13.5.0.0.0 and laterInformation in this document applies to any platform.
Symptoms
Agent resync is failing with below error.
Starting resync RESYNC_20220221165700 for agent <Host Name>:3872
Getting list of all the Targets to remove from the the agent - <Host Name>:3872
Removing 44 targets from the agent
Error communicating with the agent. Exception message - IO exception writing request packet: javax.net.ssl.SSLHandshakeException: Received fatal alert: handshake_failure. Please check agent-oms communication and try resync again.
Exception in resync: Exception occurred during resync, Agent will remain blocked: oracle.sysman.emSDK.agent.comm.exception.CommIOException: IO exception writing request packet: javax.net.ssl.SSLHandshakeException: Received fatal alert: handshake_failure
resyncState: resync of agent failed.
Getting list of all the Targets to remove from the the agent - <Host Name>:3872
Removing 44 targets from the agent
Error communicating with the agent. Exception message - IO exception writing request packet: javax.net.ssl.SSLHandshakeException: Received fatal alert: handshake_failure. Please check agent-oms communication and try resync again.
Exception in resync: Exception occurred during resync, Agent will remain blocked: oracle.sysman.emSDK.agent.comm.exception.CommIOException: IO exception writing request packet: javax.net.ssl.SSLHandshakeException: Received fatal alert: handshake_failure
resyncState: resync of agent failed.
$ <Agent_Base>/agent_inst/sysman/log/gcagent.log
2022-02-21 17:13:19,749 [1:8FE51628] WARN - *jetty*: Weak cipher suite TLS_RSA_WITH_AES_128_CBC_SHA enabled for Server@a37aefe[provider=null,keyStore=null,trustStore=null]
2022-02-21 17:13:19,749 [1:8FE51628] WARN - *jetty*: Weak cipher suite TLS_RSA_WITH_AES_128_CBC_SHA enabled for Server@a37aefe[provider=null,keyStore=null,trustStore=null]
2022-02-21 17:13:19,749 [1:8FE51628:main (@ 2022-02-21 17:13:18 CET)] WARN - *jetty*: Weak cipher suite TLS_RSA_WITH_AES_256_CBC_SHA enabled for Server@a37aefe[provider=null,keyStore=null,trustStore=null]
2022-02-21 17:13:19,750 [1:8FE51628] WARN - *jetty*: Weak cipher suite TLS_RSA_WITH_AES_256_CBC_SHA enabled for Server@a37aefe[provider=null,keyStore=null,trustStore=null]
2022-02-21 17:13:19,749 [1:8FE51628] WARN - *jetty*: Weak cipher suite TLS_RSA_WITH_AES_128_CBC_SHA enabled for Server@a37aefe[provider=null,keyStore=null,trustStore=null]
2022-02-21 17:13:19,749 [1:8FE51628:main (@ 2022-02-21 17:13:18 CET)] WARN - *jetty*: Weak cipher suite TLS_RSA_WITH_AES_256_CBC_SHA enabled for Server@a37aefe[provider=null,keyStore=null,trustStore=null]
2022-02-21 17:13:19,750 [1:8FE51628] WARN - *jetty*: Weak cipher suite TLS_RSA_WITH_AES_256_CBC_SHA enabled for Server@a37aefe[provider=null,keyStore=null,trustStore=null]
Cause
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In this Document
Symptoms |
Cause |
Solution |
References |