12c Client Applications can Hang or Disconnect (Doc ID 2109671.1)

Last updated on MARCH 02, 2017

Applies to:

Oracle Net Services - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

This issue was initially reported as a client application hanging after upgrade to 12c client software.

The Oracle Net server trace shows the following:

  

  

The server side is reporting a "connection reset by peer" after a few minutes.

#define ECONNRESET      73  /* Connection reset by peer */

The trace of the client showed it was unaware of the disconnection.  The ECONNRESET  was thrown on the underlying transport level.

 

 

Changes

This was a recent upgrade to the 12c client. 

Cause

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