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OCI : Database Patch Is Not Working 'DCS-10001:Internal error encountered: Fail to start hand shake to localhost:7070' (Doc ID 2450482.1)

Last updated on OCTOBER 14, 2018

Applies to:

Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

OCI 2 node RAC environment.

When user tried to apply system patch  from UI getting getting failed with following message

Patch Description: Jul 2018 12.2.0.1 Db System patch
Release Date: Mon, 30 Jul 2018 01:00:00 GMT
Status: FAILED
Description: The database host is unavailable or not in the active state. Run 'dbcli describe-component' on all hosts in the DB system to check for problems, and fix them before rerunning the operation

describe-component also getting error :

#/op/oracle/dcs/bin/dbcli describe-component

DCS-10001:Internal error encountered: Fail to start hand shake to localhost:7070.

From /opt/oracle/dcs/log/dcs-agent.log

2018-09-20 06:25:12,550 ERROR [TaskZJsonRpcExt_3] [] c.o.d.a.t.TaskZJsonRpc: Exception while getting from the out queueDCS-10033:Service DCS Se
rver Node 'node_0' is down.
! com.oracle.dcs.commons.exception.DcsException: DCS-10033:Service DCS Server Node 'node_0' is down.
! at com.oracle.dcs.commons.exception.DcsException$Builder.build(DcsException.java:66) ~[dcs-agent-2.4.12.10-SNAPSHOT.jar:jenkins-dcs-agent-18.
1.3.1.4-3]
! at com.oracle.dcs.agent.zk.ZKApi.validateNodeOnline(ZKApi.java:133) ~[dcs-agent-2.4.12.10-SNAPSHOT.jar:jenkins-dcs-agent-18.1.3.1.4-3]
! at com.oracle.dcs.agent.zk.DCSZQueue.npeek(DCSZQueue.java:99) ~[dcs-agent-2.4.12.10-SNAPSHOT.jar:jenkins-dcs-agent-18.1.3.1.4-3]
! at com.oracle.dcs.agent.zk.DCSZQueue.poll(DCSZQueue.java:131) ~[dcs-agent-2.4.12.10-SNAPSHOT.jar:jenkins-dcs-agent-18.1.3.1.4-3]
! at com.oracle.dcs.agent.task.TaskZJsonRpc.callInternal(TaskZJsonRpc.java:133) [dcs-agent-2.4.12.10-SNAPSHOT.jar:jenkins-dcs-agent-18.1.3.1.4-
3]
! at com.oracle.

 

Port 7070 is used by dcs-agent . Verified that port was being used and dcs-agent pid also active ,

wrt to error message : DCS-10001:Internal error encountered: Fail to start hand shake to localhost:7070.
  >>>dcs-agent listens on the 7070 port on the host

 

When user tried connecting on 7070 port connection getting error.

 

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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