EM13c : Discover Database Instance Fails with - Unexpected EOF

(Doc ID 2417507.1)

Last updated on JUNE 29, 2018

Applies to:

Enterprise Manager for Oracle Database - Version 13.2.2.0.0 and later
Information in this document applies to any platform.

Symptoms

In Enterprise Manager (EM) Cloud Control, trying to discover the Database using Auto Discovery option fails with Unexpected EOF.

Error stack from emoms.trc file:

2018-06-26 11:28:58,058 [pool-11338-thread-1] ERROR conf.Task logp.251 - Caught Exception in thread pool-11338-thread-1
oracle.sysman.emSDK.emd.comm.CommException: Unexpected EOF.
at oracle.sysman.emSDK.core.discovery.target.DiscoveryUtils.discoverTargetsNow(DiscoveryUtils.java:574)
at oracle.sysman.db.conf.DiscoveryTask.doDiscovery(DiscoveryTask.java:139)
at oracle.sysman.db.conf.DiscoveryTask.execute(DiscoveryTask.java:101)
at oracle.sysman.db.conf.Task.run(Task.java:69)

Error stack from gcagent.log file:

2018-06-26 00:30:50,840 [16715:DE950D1A] INFO - [stepId:647461,seqNo:29] job receiver cannot be contacted:
java.io.EOFException [Premature EOF encountered]
2018-06-26 00:31:02,829 [374:980F9148:GC.SysExecutor.2 (Ping OMS)] INFO - attempting another heartbeat
2018-06-26 00:31:09,885 [16715:DE950D1A] WARN - unable to drain response stream
java.io.EOFException: Premature EOF encountered
at HTTPClient.StreamDemultiplexor.read(StreamDemultiplexor.java:363)

 

Changes

 

Cause

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