{"id":243025,"date":"2025-06-10T17:40:20","date_gmt":"2025-06-11T00:40:20","guid":{"rendered":"https:\/\/virtual-dba.com\/?p=243025"},"modified":"2025-11-14T08:38:34","modified_gmt":"2025-11-14T15:38:34","slug":"resolving-oracle-patch-issues-troubleshooting-ora-20001-and-applying-datapatch","status":"publish","type":"post","link":"https:\/\/virtual-dba.com\/blog\/resolving-oracle-patch-issues-troubleshooting-ora-20001-and-applying-datapatch\/","title":{"rendered":"Resolving Oracle Patch Issues: Troubleshooting ORA-20001 and Applying Datapatch"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"h-summary\">SUMMARY:<\/h2>\n\n\n\n<p>Database administrators can successfully resolve the <strong>Oracle 19c datapatch ORA-20001 error<\/strong>, which signals an incomplete patch application, by modifying the <code>qopiprep.bat<\/code> script&#8217;s shell interpreter and then re-running the <code>datapatch<\/code> utility.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The appearance of <code>ORA-20001: Latest XML inventory is not loaded into the table<\/code> indicates that a recent patch was likely applied to the binaries, but the required SQL changes via <code>datapatch<\/code> either failed or were skipped during execution.<\/li>\n\n\n\n<li>The first step in fixing the issue requires backing up the relevant script by copying it <code>$ORACLE_HOME\/QOpatch\/qopiprep.bat<\/code> to <code>qopiprep.bat_bkp<\/code>.<\/li>\n\n\n\n<li>To resolve the script failure, modify the <code>qopiprep.bat<\/code> file by changing the shell interpreter line from <code>#!\/bin\/sh<\/code> to <code>#!\/usr\/bin\/ksh<\/code>.<\/li>\n\n\n\n<li>After modifying the script, execute the <code>.\/datapatch -verbose<\/code> command from <code>$ORACLE_HOME\/OPatch<\/code>, and confirm success using the <code>dbms_sqlpatch.verify_queryable_inventory<\/code> query.<\/li>\n<\/ul>\n\n\n\n<p>Verifying patch application and consistently running datapatch after installing updates are crucial steps for maintaining an operational and fully patched <a href=\"https:\/\/virtual-dba.com\/platforms\/oracle\/\">Oracle database.<\/a><\/p>\n\n\n\n<div class=\"wp-block-yoast-seo-table-of-contents yoast-table-of-contents\"><h2>Table of contents<\/h2><ul><li><a href=\"#h-summary\" data-level=\"2\">SUMMARY:<\/a><\/li><li><a href=\"#h-oracle-datapatch-ora-20001-issue-description\" data-level=\"2\">Oracle Datapatch ORA-20001 Issue Description<\/a><\/li><li><a href=\"#h-fixing-the-issue\" data-level=\"2\">Fixing the Issue<\/a><ul><li><a href=\"#h-step-1-backup-the-qopiprep-bat-file\" data-level=\"3\">Step 1: Backup the qopiprep.bat File<\/a><\/li><li><a href=\"#h-step-2-modify-the-script\" data-level=\"3\">Step 2: Modify the Script<\/a><\/li><li><a href=\"#h-step-3-run-datapatch\" data-level=\"3\">Step 3: Run Datapatch<\/a><\/li><\/ul><\/li><li><a href=\"#h-conclusion\" data-level=\"2\">Conclusion<\/a><\/li><\/ul><\/div>\n\n\n\n<p>Keeping your Oracle database up to date with patches is crucial for both security and performance. However, patching issues can arise, leading to errors such as ORA-20001. In this blog, we&#8217;ll walk through a real-world troubleshooting scenario where an Oracle 19c database reported an outdated patch level, and the datapatch process was required to resolve inconsistencies.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-oracle-datapatch-ora-20001-issue-description\">Oracle Datapatch ORA-20001 Issue Description<\/h2>\n\n\n\n<p>The database was reporting the following patch level: Database Jan 2022 Release Update: 19.20.0.0.220118 (35524739)<\/p>\n\n\n\n<p>A review of the logs indicated that the latest patch might not have been fully applied, as shown by the following error:<\/p>\n\n\n\n<p>2022-04-20T10:35:27.059454-04:00<\/p>\n\n\n\n<p>Unable to obtain current patch information due to error: 20001, ORA-20001: Latest XML inventory is not loaded into the table<\/p>\n\n\n\n<p>ORA-06512: at &#8220;SYS.DBMS_QOPATCH&#8221;, line 777<\/p>\n\n\n\n<p>ORA-06512: at &#8220;SYS.DBMS_QOPATCH&#8221;, line 864<\/p>\n\n\n\n<p>ORA-06512: at &#8220;SYS.DBMS_QOPATCH&#8221;, line 2222<\/p>\n\n\n\n<p>ORA-06512: at &#8220;SYS.DBMS_QOPATCH&#8221;, line 740<\/p>\n\n\n\n<p>ORA-06512: at &#8220;SYS.DBMS_QOPATCH&#8221;, line 2247<\/p>\n\n\n\n<p><em>This error suggested that the April patch might have been applied to the binaries, but the datapatch was either skipped or failed during execution.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-fixing-the-issue\">Fixing the Issue<\/h2>\n\n\n\n<p>The following steps were taken to resolve the issue and successfully apply the patch:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-1-backup-the-qopiprep-bat-file\">Step 1: Backup the qopiprep.bat File<\/h3>\n\n\n\n<p>Before making any changes, a backup of the relevant script was taken:<\/p>\n\n\n\n<p>#cd $ORACLE_HOME\/QOpatch<\/p>\n\n\n\n<p>#cp qopiprep.bat qopiprep.bat_bkp<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-2-modify-the-script\">Step 2: Modify the Script<\/h3>\n\n\n\n<p>The script .bat was modified to ensure the correct shell interpreter was used:<\/p>\n\n\n\n<p>#!\/bin\/sh&nbsp; # Original line<\/p>\n\n\n\n<p>was changed to:<\/p>\n\n\n\n<p>#!\/usr\/bin\/ksh&nbsp; # Updated line<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-3-run-datapatch\">Step 3: Run Datapatch<\/h3>\n\n\n\n<p>The datapatch utility was then executed to apply any missing patches:<\/p>\n\n\n\n<p>cd $ORACLE_HOME\/OPatch<\/p>\n\n\n\n<p>.\/datapatch -verbose<\/p>\n\n\n\n<p><strong>Expected Output:<\/strong><\/p>\n\n\n\n<p><em>SQL Patching tool version 19.20.0.0 Production on Mon Sep 19 22:33:20 2022<\/em><\/p>\n\n\n\n<p>&#8230;<\/p>\n\n\n\n<p>Current state of SQL patches:<\/p>\n\n\n\n<p>Bundle series DBRU:<\/p>\n\n\n\n<p>&nbsp;&nbsp;ID 220118 in the binary registry and ID 220118 in the SQL registry<\/p>\n\n\n\n<p>Installation queue:<\/p>\n\n\n\n<p>&nbsp;<em>Output:&nbsp; Nothing to roll back<\/em><\/p>\n\n\n\n<p><em>Output:&nbsp; Nothing to apply<\/em><\/p>\n\n\n\n<p><em>SQL Patching tool complete<\/em><\/p>\n\n\n\n<p><strong>Verification<\/strong>: <\/p>\n\n\n\n<p>To confirm that the patching was successful, SQL*Plus was used to verify the queryable inventory:<\/p>\n\n\n\n<p>sqlplus \/ as sysdba<\/p>\n\n\n\n<p>SQL&gt; select dbms_sqlpatch.verify_queryable_inventory from dual;<\/p>\n\n\n\n<p><strong>Expected Output:<\/strong><\/p>\n\n\n\n<p>VERIFY_QUERYABLE_INVENTORY<\/p>\n\n\n\n<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-<\/p>\n\n\n\n<p>OK<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\">Conclusion <\/h2>\n\n\n\n<p>This case study highlights the importance of verifying patch applications and running datapatch after installing updates\u2014especially when addressing Oracle datapatch ORA-20001 errors\u2014to ensure your Oracle database remains fully patched and operational.<\/p>\n\n\n\n<p>Do you have more Oracle questions or need expert tips? <span style=\"box-sizing: border-box; margin: 0px; padding: 0px;\">Explore our&nbsp;<a href=\"https:\/\/virtual-dba.com\/blog\/oracle\/\">Oracle blogs<\/a>&nbsp;for in-depth guides, updates, and expert&nbsp;<\/span>solutions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SUMMARY: Database administrators can successfully resolve the Oracle 19c datapatch ORA-20001 error, which signals an incomplete patch application, by modifying the qopiprep.bat script&#8217;s shell interpreter and then re-running the datapatch utility. Verifying patch application and consistently running datapatch after installing updates are crucial steps for maintaining an operational and fully patched Oracle database. Keeping your [&hellip;]<\/p>\n","protected":false},"author":73,"featured_media":243032,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"off","_et_pb_old_content":"","_et_gb_content_width":"","content-type":"","footnotes":""},"categories":[4166,3918,23],"tags":[4204,1145,4180,4198],"class_list":["post-243025","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-database","category-oracle","tag-database","tag-oracle","tag-oracle-19c","tag-patching"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Resolving Oracle Datapatch ORA-20001 Patch Errors - VDBA<\/title>\n<meta name=\"description\" content=\"Fix Oracle datapatch ORA-20001 errors with this step-by-step guide to resolving patch inconsistencies in Oracle 19c databases.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/virtual-dba.com\/blog\/resolving-oracle-patch-issues-troubleshooting-ora-20001-and-applying-datapatch\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Resolving Oracle Patch Issues: Troubleshooting ORA-20001 and Applying Datapatch\" \/>\n<meta property=\"og:description\" content=\"Fix Oracle datapatch ORA-20001 errors with this step-by-step guide to resolving patch inconsistencies in Oracle 19c databases.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/virtual-dba.com\/blog\/resolving-oracle-patch-issues-troubleshooting-ora-20001-and-applying-datapatch\/\" \/>\n<meta property=\"og:site_name\" content=\"Virtual-DBA Remote DBA Services &amp; Support - 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