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Shared server connections hang after installing CPUJAN2006

原创 Linux操作系统 作者:jifei0611 时间:2008-11-13 10:03:28 0 删除 编辑

Subject:  Shared server connections hang after installing CPUJAN2006
  Doc ID:  Note:361273.1 Type:  PROBLEM
  Last Revision Date:  21-JUL-2008 Status:  MODERATED

In this Document
  Symptoms
  Changes
  Cause
  Solution

 

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This document is being delivered to you via Oracle Support's Rapid Visibility (RaV) process, and therefore has not been subject to an independent technical review.

 

Applies to:
Oracle Server - Enterprise Edition - Version: 9.2.0.5 to 9.2.0.5
This problem can occur on any platform.

Symptoms
Checked for relevance on 20-JUL-2008.

 

Connections via dispatchers hang.

 

For each failed connection via dispatcher, the listener will log three errors in the listener log as shown.

TNS-12518: TNS:listener could not hand off client connection
TNS-12560: TNS:protocol adapter error
TNS-530: Protocol adapter error


For each failed connection attempt, the number of "refused connections", shown with lsnrctl services, will increment by 1.

Changes
Shared Server connections hang after installing the CPUJAN2006 patch.
Cause
 

Solution
Workaround:

Add the following line to the listener.ora


direct_handoff_ttc_=off

 

Example:

STARTUP_WAIT_TIME_LISTENER = 0
CONNECT_TIMEOUT_LISTENER = 60
TRACE_LEVEL_LISTENER = OFF
DIRECT_HANDOFF_TTC_LISTENER=off    <===  add this parameter


 

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