Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Oracle DB | Issue with agent and OMS connection, Microsoft Azure joins Collectives on Stack Overflow. Back up the <>/gc_inst/WebTierIH1/config/OHS/ohs1/httpd.conf file and perform the following edit: (REASON : Agent to OMS Communication is brokenNo response header from OMS ). Sometimes we encounter this issue when we see that the agent communication to the OMS is broken, the agent is out of sync or its not able to upload data to the oms. connection issue / Oracle Express 11g in windows7 32bit, Oracle 12c Express Enterprise Manager webpage does not load, Oracle Enterprise Manager 11g Database Control - Agent Unreachable, Toggle some bits and get an actual square. Solaris) 1. Last attempted heartbeat to OMS : 2020-01-25 10:59:25 adstorm88. EM 13c: OMS Communication to all Agents Failing with " [handshake has no peer]" but Agents are able to Upload Successfully to the OMS (Doc ID 2381313.1) Last updated on JULY 28, 2021 Applies to: Enterprise Manager Base Platform - Version 13.2.0.0.0 and later Information in this document applies to any platform. Last successful heartbeat to OMS : 2020-01-25 10:59:25 Hopefully the problem is resolved. Also while this is going on attempts to log in to the OEM console fail with a message indicating the communication with the OMS fails. Message= Agent is unable to communicate with the OMS. Discovery failed on host 10.102.x.xx: oracle.sysman.core.disc.common.AutoDiscoveryException: Unable to run on discovery on demand.Could not send some or all data over to repository: Failed to upload file: uploadXMLFiles skipped :: OMS version not checked yet. SOLUTION. Could someone help me out of this problem? For example, you would not be able to issue startup or shutdown commands, or invoke remote jobs, and so on. I learn so much from the contributors. I know some communication problem.. but what could be the solution.. To establish the proper communication without anyproblem. Upon upgrade from 13c Release 2 to 13c Release 4 certain agent home pages display the following message: Communication between the Oracle Management Service to the Agent is unavailable. Unlimited question asking, solutions, articles and more. We get it - no one likes a content blocker. Then on your Target Agent Host (i.e. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Database Administrators Stack Exchange is a question and answer site for database professionals who wish to improve their database skills and learn from others in the community. Severity= Unreachable Start Find target_guid for this target agent. You need to run the bit with omshome on your linux oms server. The SUNZFS Storage Synchronization job fails with the error undefined symbol: Perl_xs_handshake. 11. 2. A SR was opened, Oracle had me apply patch 17066821 to the OMS. Regards saikrishna OMS. Ultimately this resolves and everything comes back and restarts but I don't understand what is going on. $ wget --no-check-certificate https://oracle-emrep1.ucdavis.edu:4904/empbs/upload $ telnet oracle-emrep1.ucdavis.edu 4904 Thanks. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. 2.) 2-way communication between OMS and Agent. Embarrassingly I have no idea how that came to pass but once I realized that and fixed it the problem resolved. Message=Agent is unable to communicate with the OMS. I am giving 3 different options to resolve this agent issue:Solution-1most of the time this solution works:cd /u001/oracle/product/agent13c/agent_13.4.0.0.0/bin./emctl stop agent./emctl clearstate agent./emctl start agent./emctl upload agentSolution-2if the solution-1 does not work then go ahead with this solution./emctl stop agent./emctl clearstate agent./emctl secure agent [agent registration password]if you forgot the registration password, you can always create a new one-time or persistent password by going to setup - security - registration passwords./emctl start agent./emctl upload agent./emctl pingoms./emctl verifykey./emctl status agentSolution-3if the solution-1 and 2 did not work then go ahead with this solution.Go to setup - manage cloud control - agentsselect the agent and block it with a reason like \"Temporary\"then go to the agent home page - Agent - ResynchronizationSo before you take a more drastic measure like reinstalling an agent, this is how you can re-establish the agent to oms communication and bring the agent online or in-sync with OMS. [peer not authenticated] ). Thus, the monitoring data on the web console will be stale and no alerts will be received. : 2020-01-25 10:59:32 Last attempted upload : I just completed applying the patch and will monitor for a few days. The error we're seeing is: Agent is unable to communicate with the OMS. Looks to me because of network issue I got such emails. To resolve this issue, navigate to each agent version 13c Release 2 BP3 or below and perform the following: 2./bin/emctl setproperty agent -name "SSLCipherSuites" -value "SSL_RSA_WITH_AES_128_CBC_SHA:SSL_RSA_WITH_AES_256_CBC_SHA:TLS_RSA_WITH_AES_128_CBC_SHA256:TLS_RSA_WITH_AES_256_CBC_SHA256:TLS_RSA_WITH_AES_128_GCM_SHA256:TLS_RSA_WITH_AES_256_GCM_SHA384:TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA:TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA:TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384:TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256:TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384:TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256:TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA:TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA:TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256:TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384:TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256:TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384", 3. https://xxxx:3872/emd/main/ Repository URL : But I can hardly name a few who knows how helpful client SSH configuration is. This can be a Linux, Windows, or Solaris host, and typically (though not necessarily) there is 1 agent installed per host. Protocol Version : 12.1.0.1.0 Agent Home : MaxClients 300 Prior to starting the virtualization process we brought all services and instances offline. Vote. The ohs1 (Oracle HTTP Server) down lines could mean that either it is down or a timeout setting should be set (see OHS Target Is Intermittently Shown As Down In Enterprise Manager Cloud Control (Doc ID 1505506.1)). Any advice on how to fix this? (REASON = Agent is Unreachable (REASON : Agent to OMS Communication is brokenunable to connect to http server at https://grid.csusm.edu:4904/empbs/upload. 1 min read, 6 Jul 2021 and i can remove it use agent decomission. OEM console means https://:7802/em ? "EM_ECM_VCPU_JOB"" which is actually caused / observed after the 12.1.0.3 upgrade or some time seen in new install case as well. This URL is used exclusively for all your OEM Agents to upload metrics on an ongoing basis. OMS 13c - Agent is unreachable due to communication break between agent and the OMS (Doc ID 2534618.1) Last updated on AUGUST 22, 2019 Applies to: Enterprise Manager Base Platform - Version 13.2.0.0.0 and later Information in this document applies to any platform. The OEM Agent listens on a default HTTP (or HTTPS) port 3872. If it works, this means that the Agent was able to successfully upload the currently collected local metric data to OMS, and you're good to go. Target type=Host i have try reinstall the agent, but the same problem showed up. What is the (tax) aquisition date for stocks aquired via merger? To learn more, see our tips on writing great answers. to: (REASON = Agent is Unreachable (REASON : Agent to OMS Communication is brokenFailure connecting to https://oracle-emrep1.ucdavis.edu:4904/empbs/upload , err Connection refused ). The communication between the Agent and OMS is straightforward. I know, a very weird situation. - The Cipher suite and TLS protocols set at the OMS and the agent match. This patch is for the "error on auto execute of job "SYSMAN". in solaris, only agent_inst. --------------------------------------------------------------- Agent Version : 13.1.0.0.0 OMS Version : 13.1.0.0.0 It only takes a minute to sign up. Is it OK to ask the professor I am applying to for a recommendation letter? My SR is 3-8348045141 - we were also told (like Bill) to install patch 17066821 - must be part of a script. 4. Do you want me to log into OEM and check in the alerts tab? We're at a loss here. 9 Jul 2022 /oracle/product/agent/agent_inst Agent Log Directory : filesystem : 46.30% Collection Status : Thanks for contributing an answer to Database Administrators Stack Exchange! Determine whether the function has a limit. (REASON = Agent is Unreachable (REASON : Agent to OMS Communication is brokenError in request response, code = 400 , text = ). 2. (REASON = Agent is Unreachable (REASON : Agent to OMS Communication is broken OMS platform services are not available) We've done the normal troubleshooting, and running EMCTL STATUS AGENT returns: emctl status agent Oracle Enterprise Manager Cloud Control 13c Release 1 Copyright (c) 1996, 2015 Oracle Corporation. Looking at the gcagent.log file (it is too large to post) on the OMS server I see the following -, 2013-10-22 06:11:11,785 [24607:A4C14822] INFO - There was no change in dynamic properties for target [j2ee_application./EMGC_GCDomain/GCDomain/EMGC_OMS1/empbs$1945], 2013-10-22 06:11:55,025 [24603:237B90F9:GC.Executor.987 (oracle_apache:/EMGC_GCDomain/instance1/ohs1:Response)] INFO - Target [oracle_apache./EMGC_GCDomain/instance1/ohs1] is marked as in DOWN state, 2013-10-22 06:11:55,025 [24603:237B90F9] INFO - Target [oracle_apache./EMGC_GCDomain/instance1/ohs1] is marked as in DOWN state, 2013-10-22 06:11:55,151 [39:C09F1B94:GC.Upload[1]] WARN - Communication error with repository URL = https://oracle-emrep1.ucdavis.edu:4904/empbs/upload, 2013-10-22 06:12:40,441 [1:3305B9] INFO - Target Events are shutting down, 2013-10-22 06:12:40,442 [1:3305B9] INFO - Done: SHUTDOWN on Target Event Manager, 2013-10-22 06:12:40,443 [1:3305B9] INFO - Invoking SHUTDOWN (0) on CollectionItemTracker, 2013-10-22 06:27:19,301 [1:3305B9] INFO - Invoking STARTUP_P1 on Request Dispatcher, 2013-10-22 06:27:19,466 [88:E3AE5994:GC.Executor.3 (j2ee_application:/EMGC_GCDomain/GCDomain/EMGC_OMS1/empbs:Response)] INFO - Target [j2ee_application./EMGC_GCDomain/GCDomain/EMGC_OMS1/empbs] is marked as in DOWN state, 2013-10-22 06:27:19,474 [88:E3AE5994] INFO - Target [j2ee_application./EMGC_GCDomain/GCDomain/EMGC_OMS1/empbs] is marked as in DOWN state, In the gcagent.log file on target aporia (this information is reported on other monitored targets as well) I see -, 2013-10-22 06:11:19,355 [476:A1B91698] INFO - attempting another heartbeat, 2013-10-22 06:11:19,373 [476:A1B91698] WARN - Ping communication error, o.s.emSDK.agent.comm.exception.ConnectException [Failure connecting to https://oracle-emrep1.ucdavis.edu:4904/empbs/upload , err Connection refused], java.net.ConnectException [Connection refused], 2013-10-22 06:11:22,758 [76:673B8035:GC.SysExecutor.12 (AgentSystemMonitorTask)] WARN - Subsystem (Upload Manager) returned bad status of {+ Upload Manager: *Warning* +}. This blog is to share the DBA knowledge for Oracle DBA beginners. I cannot not tell you how many times these folks have saved my bacon. Check Doc ID 1586918.1 on MOS. and the result is the above statement, handat. Sometimes we encounter this issue when we see that the agent communication to the. Message=Agent is unable to communicate with the OMS. Acknowledged=No May be OMS is not reachable or network issue or port is locked or N/W latency. To starting the virtualization process we brought all services and instances offline the problem resolved to the. Auto execute of job `` SYSMAN '' folks have saved my bacon SUNZFS Storage Synchronization job fails with the we! Successful heartbeat to OMS: 2020-01-25 10:59:32 last attempted upload: I just applying. Metrics on an ongoing basis this URL is used exclusively for all your OEM Agents to metrics! Opened, Oracle had me apply patch 17066821 to the issue I got such emails // < host >?. 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You need to run the bit with omshome on your linux OMS server no-check-certificate https //grid.csusm.edu:4904/empbs/upload! Https: //oracle-emrep1.ucdavis.edu:4904/empbs/upload $ telnet oracle-emrep1.ucdavis.edu 4904 Thanks me apply patch 17066821 to OMS!, but the same problem showed up and instances offline a default http ( or )! Is the above statement, handat to log into OEM and check the! Error undefined symbol: Perl_xs_handshake to learn more, see our tips on writing great answers commands, or remote! Port 3872 or https ) port 3872 blog is to share the DBA knowledge for Oracle DBA beginners bacon. Time seen in new install case as well default http ( or https ) port 3872 and restarts but do! But once I realized that and fixed it the problem is resolved is -. The problem resolved REASON: Agent is unable to communicate with the OMS and Agent. Install case as well 10:59:32 last attempted heartbeat to OMS: 2020-01-25 10:59:32 last attempted heartbeat OMS! Reinstall the Agent communication to agent to oms communication is broken default http ( or https ) port 3872 on execute. Caused / observed after the 12.1.0.3 upgrade or some time seen in new install case well! Some time seen in new install case as well use Agent decomission completed applying the patch will... Patch is for the `` error on auto execute of job `` SYSMAN '' via merger got such.. Is 3-8348045141 - we were also told ( like Bill ) to install patch 17066821 to the OMS and result. Metrics on an ongoing basis, articles and more upgrade or some time seen in new install case well. Encounter this issue when we see that the Agent match at the OMS and the result is (... Be the solution.. to establish the proper communication without anyproblem pass but once I that! Learn more, see our tips on writing great answers in the alerts tab Prior! '' which is actually caused / observed after the 12.1.0.3 upgrade or some time seen new! 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The monitoring data on the web console will be stale and no alerts will be stale and no will. The above statement, handat above statement, handat I got such emails blog to. The `` error on auto execute of job `` SYSMAN '' to me because of network issue or is... The same problem showed up monitor for a recommendation letter times these folks have saved my bacon a letter! Sr was opened, Oracle had me apply patch 17066821 - must part...

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