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No Database User Can Login Except Sys And System because Resource Manager Internal_Quiesce Plan Enabled (Doc ID 396970.1)

Last updated on MARCH 10, 2025

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 to 10.2.0.4 [Release 10.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

No other user except for sys and system is able to connect to the database instance. The application appears as hanging.

As part of the symptoms of this issue:

  1. v$session_wait
    and
    hanganalyze     trace file taken as in:
      <Note 175006.1> Ext/Pub Steps to generate HANGANALYZE trace files
    show the same wait event as cause for the hangs:
      resmgr:become active

  2. Checking the resource manager plan that is active at instance level in v$rsrc_plan, this is found as being INTERNAL_QUIESCE.

Cause

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In this Document
Symptoms
Cause
Solution
References

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