Posts by Sugumar K

EBS ADOP Woes: Tackling ORA-20001 in Cleanup Phase

This blog aims to support DBAs who encounter issues during the EBS application R12.2 ADOP phase=cleanup, specifically when it fails with the ORA-20001 error message: ‘Error while calling ad_zd.cleanupORA-01555: snapshot too old.’ The steps provided here offer guidance in identifying and addressing the challenges associated with the ADOP phase=Cleanup problem. Below Step: Issue: We encountered the following issue during the application of the adpatch ADOP patching cycle when executing the adop phase=cleanup [applmgr@r122 ~]$ adop phase=cleanup Enter the APPS password: Enter the SYSTEM password: Enter the WLSADMIN password: Please wait. Validating credentials… RUN file system context file: /u01/applmgr/UAT_TEST/fs2/inst/apps/UAT_TEST_r122/appl/admin/UAT_TEST_r122.xml PATCH file system context file: /u01/applmgr/UAT_TEST/fs1/inst/apps/UAT_TEST_r122/appl/admin/UAT_TEST_r122.xml ************* Start of session ************* version: 12.2.0 started at: Wed May 24 2021 03:34:53 APPL_TOP is set to /u01/applmgr/UAT_TEST/fs2/EBSapps/appl [STATEMENT] Using 4 workers (Default: 4, Recommended maximum limit: 62) Cleanup is not done in earlier session [START 2021/05/24 03:35:27] adzdoptl.pl run ADOP Session ID: 4 Phase: cleanup Log file: /u01/applmgr/UAT_TEST/fs_ne/EBSapps/log/adop/4/adop_20210524_033421.log [START 2021/05/24 03:35:48] cleanup phase [EVENT] [START 2021/05/24 03:35:52] Performing Cleanup steps [EVENT] [START 2021/05/24 03:35:57] Running CLEANUP ddls in ddl handler table Calling: adpatch options=hotpatch,nocompiledb interactive=no console=no workers=4 restart=no abandon=yes defaultsfile=/u01/applmgr/UAT_TEST/fs2/EBSapps/appl/admin/UAT_TEST/adalldefaults.txt patchtop=/u01/applmgr/UAT_TEST/fs2/EBSapps/appl/ad/12.0.0/patch/115/driver logfile=cleanup.log driver=ucleanup.drv ADPATCH Log directory: /u01/applmgr/UAT_TEST/fs_ne/EBSapps/log/adop/4/cleanup_20210524_033421/UAT_TEST_r122/log [EVENT] [END 2021/05/24 03:39:43] Running CLEANUP ddls in ddl handler table [EVENT] Cleaning up ABORT DDL from DDL Handler Table [START 2021/05/24 03:39:54] Generating All DDL Report [EVENT] Report: /u01/applmgr/UAT_TEST/fs2/EBSapps/appl/ad/12.0.0/sql/ADZDALLDDLS.sql…

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Behind the ORA-02020 Error: A Deep Dive into Database Link Troubleshooting.

This blog is intended for DBA’s who have error while using a database links.Let’s work on a journey to decode, troubleshoot, and over the challenge posed by the ORA-02020 error. Issue: Error While Fetching data against a database link, got below error.ORA-02020: Too Many Database Links In Use Sql>select sysdate from dual@Daatbase_link5; * ERROR at line 1: ORA-02020: too many database links in use CAUSE & SOLUTION: n open_links parameter control, the number of database links each session can use without closing it. n If you access a database link in a session, then the link remains open until you close the session. Check the below parameter: SQL> show parameter open_link NAME TYPE VALUE ———————————— ———– —————————— open_links integer 4 open_links_per_instance integer 4 Here open_links is set to a session can access only 4 open database links in that session.When the open db_link connection reaches the limit(open_links), it throws ORA-02020: too many database links in use. Solution:1 n  Close the open db_link connections n  Increase the open_links parameter (bounce required) Let’s reproduce this error. SQL> select sysdate from dual@Database_link1; SYSDATE ——— 30-JUL-17 SQL> select sysdate from dual@Database_link2; SYSDATE ——— 30-JUL-17 SQL> select sysdate from dual@Database_link3;…

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Ebs database Custom table columns missing while running a full mode cleanup

The purpose of this blog is to assist DBAs encountering ebs database custom table column missing while running adpatching cycle. The steps shared here will help to identify the table…

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TxkADOP PreparePhaseSynchronize.pl failure in adop fsclone

This blog is intended for DBA’s who have error while running a fsclone phase run patching cycle error, we have solution for fsclone phase error. Issue: We are facing issue…

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MRP process getting terminated with error ORA-10567

This blog is intended for DBA’s who have issues in Oracle standby MRP (Managed Recovery Process) and MRP process stops with below ORA error. ” ORA-00600: internal error code, arguments:…

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How to trace oracle database session

The purpose of this blog is to assist DBAs encountering performance issues in locating the problematic query by taking a trace of the session. The steps shared here will help…

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