EM 13c: OS Command Job For RMAN Backup Intermittently Failing With Error 'Step Aborted After 30 Failed Attempts To Run'
(Doc ID 3013970.1)
Last updated on APRIL 26, 2024
Applies to:
Enterprise Manager Base Platform - Version 13.5.0.0.0 and laterInformation in this document applies to any platform.
Symptoms
In Enterprise Manager Cloud Control (OEM), the OS Command job is created for database RMAN backups. The job runs successfully and sometimes Intermittently keeps failing with below error.
Step aborted after 30 failed attempts to run. Last captured error message was: Caught agent exception[Failed to launch process: DefaultOpenFuture[ChannelExec[id=65703, recipient=-1]-ClientSessionImpl[oracle@localhost/127.0.0.1:22]]: Failed (SshChannelOpenException) to execute: open failed(oracle.sysman.emSDK.agent.client.exception.PerformOperationException)]
Error communicating with agent. Please also check incident console for possible job-system related problems.
Error communicating with agent. Please also check incident console for possible job-system related problems.
$ <Agent_Base>/agent_inst/sysman/log/gcagent.log
2024-03-22 22:42:42,891 [7011:65DCC393] WARN - JobExecutionMgr.call(): Exeception on launch of channel java.io.IOException: DefaultOpenFuture[ChannelExec[id=53022, recipient=-1]-ClientSessionImpl[oracle@localhost/127.0.0.1:22]]: Failed (SshChannelOpenException) to execute: open failed
2024-03-22 22:42:42,897 [7011:65DCC393] INFO - JobExecutionException in executeJobTask : oracle.sysman.gcagent.target.interaction.execution.JobExecutionMgr$JobExecutionException: DefaultOpenFuture[ChannelExec[id=53022, recipient=-1]-ClientSessionImpl[oracle@localhost/127.0.0.1:22]]: Failed (SshChannelOpenException) to execute: open failed
oracle.sysman.gcagent.target.interaction.execution.JobExecutionMgr$JobExecutionException: DefaultOpenFuture[ChannelExec[id=53022, recipient=-1]-ClientSessionImpl[oracle@localhost/127.0.0.1:22]]: Failed (SshChannelOpenException) to execute: open failed
at oracle.sysman.gcagent.target.interaction.execution.JobExecutionMgr.call(JobExecutionMgr.java:1928)
Caused by: java.io.IOException: DefaultOpenFuture[ChannelExec[id=53022, recipient=-1]-ClientSessionImpl[oracle@localhost/127.0.0.1:22]]: Failed (SshChannelOpenException) to execute: open failed
at oracle.sysman.gcagent.util.auth.os.ssh.SSHAuthenticator.authenticate(SSHAuthenticator.java:106)
at oracle.sysman.gcagent.util.channel.OSSecureChannel.runStreamingCommand(OSSecureChannel.java:231)
Caused by: org.apache.sshd.common.channel.exception.SshChannelOpenException: open failed
at org.apache.sshd.client.channel.AbstractClientChannel.handleOpenFailure(AbstractClientChannel.java:419)
at org.apache.sshd.common.session.helpers.
2024-03-22 22:42:42,897 [7011:65DCC393] INFO - JobExecutionException in executeJobTask : oracle.sysman.gcagent.target.interaction.execution.JobExecutionMgr$JobExecutionException: DefaultOpenFuture[ChannelExec[id=53022, recipient=-1]-ClientSessionImpl[oracle@localhost/127.0.0.1:22]]: Failed (SshChannelOpenException) to execute: open failed
oracle.sysman.gcagent.target.interaction.execution.JobExecutionMgr$JobExecutionException: DefaultOpenFuture[ChannelExec[id=53022, recipient=-1]-ClientSessionImpl[oracle@localhost/127.0.0.1:22]]: Failed (SshChannelOpenException) to execute: open failed
at oracle.sysman.gcagent.target.interaction.execution.JobExecutionMgr.call(JobExecutionMgr.java:1928)
Caused by: java.io.IOException: DefaultOpenFuture[ChannelExec[id=53022, recipient=-1]-ClientSessionImpl[oracle@localhost/127.0.0.1:22]]: Failed (SshChannelOpenException) to execute: open failed
at oracle.sysman.gcagent.util.auth.os.ssh.SSHAuthenticator.authenticate(SSHAuthenticator.java:106)
at oracle.sysman.gcagent.util.channel.OSSecureChannel.runStreamingCommand(OSSecureChannel.java:231)
Caused by: org.apache.sshd.common.channel.exception.SshChannelOpenException: open failed
at org.apache.sshd.client.channel.AbstractClientChannel.handleOpenFailure(AbstractClientChannel.java:419)
at org.apache.sshd.common.session.helpers.
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |