{"id":12159,"date":"2019-05-14T22:23:18","date_gmt":"2019-05-14T22:23:18","guid":{"rendered":"https:\/\/dbtut.com\/?p=12159"},"modified":"2019-05-14T22:23:18","modified_gmt":"2019-05-14T22:23:18","slug":"ora-00603-ora-03106-errors-in-db-link-connections-in-oracle-12-2-databases","status":"publish","type":"post","link":"https:\/\/dbtut.com\/index.php\/2019\/05\/14\/ora-00603-ora-03106-errors-in-db-link-connections-in-oracle-12-2-databases\/","title":{"rendered":"ORA-00603 ORA-03106 Errors in DB Link Connections in Oracle 12.2 Databases"},"content":{"rendered":"<p>When connecting to Oracle 12.2 databases from different databases with db link, reco process terminates unexpectedly. This problem is caused by bug 27544973. In order to avoid the problem, either patch 27544973 should be applied or the &#8220;_db_link_sources_tracking&#8221; parameter should be set to FALSE as follows. The database must be restarted when the parameter is changed.<\/p>\n<p>The errors in the database alertSID.log file are as follows.<\/p>\n<pre class=\"lang:default decode:true\">Session (1052,50052): RECO logon successful: Inbound connection from client\nSession (1052,50052): RECO logon successful: DB Logon User: RECO, Remote Machine: XXXXXXXXX, Program: oracle@XXXXXXX (TNS V1-V3), OS User: oracle\nSession (1052,50052): RECO logon successful: Client IP Address: XXXXXXXXX\nErrors in file \/u01\/app\/oracle\/diag\/rdbms\/orcl\/ORCL2\/trace\/ORCL2_ora_308247.trc  (incident=1926647):\nORA-00603: ORACLE server session terminated by fatal error\nORA-03106: fatal two-task communication protocol error\nIncident details in: \/u01\/app\/oracle\/diag\/rdbms\/orcl\/ORCL2\/incident\/incdir_1926647\/ORCL2_ora_308247_i1926647.trc\n2018-05-11T02:13:15.578553+03:00\nopiodr aborting process unknown ospid (308247) as a result of ORA-603<\/pre>\n\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_12159\" class=\"pvc_stats all  \" data-element-id=\"12159\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/dbtut.com\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>When connecting to Oracle 12.2 databases from different databases with db link, reco process terminates unexpectedly. This problem is caused by bug 27544973. In order to avoid the problem, either patch 27544973 should be applied or the &#8220;_db_link_sources_tracking&#8221; parameter should be set to FALSE as follows. The database must be restarted when the parameter is &hellip;<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_12159\" class=\"pvc_stats all  \" data-element-id=\"12159\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/dbtut.com\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"author":1,"featured_media":12160,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[4],"tags":[4125,4127,4126,4129,4128,4130],"class_list":["post-12159","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-oracle","tag-bug-27544973","tag-ora-00603","tag-ora-00603-oracle-server-session-terminated-by-fatal-error","tag-ora-03106","tag-ora-03106-fatal-two-task-communication-protocol-error","tag-oracle-12-2-db-link-connection-problem"],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - 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