Last updated on SEPTEMBER 24, 2015
Applies to:Oracle Server - Enterprise Edition - Version: 220.127.116.11 to 10.2.0.1 - Release: 8.1.7 to 10.2
Information in this document applies to any platform.
Database-wide hang with sessions waiting for 'library cache lock' and 'library cache pin'.
The issue can be verified from a systemstate dump or v$session_wait output.
The object for which the locks and pins are waited on is DBMS_UTILITY package body.
Pin(s) for DBMS_UTILITY are being held in Shared mode by one or more processes which are waiting for 'pipe get'. These processes are using DBMS_PIPE.
Lock(s) for DBMS_UTILITY are being held by one or more processes which are blocked by the DBMS_PIPE users.
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