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DBLink Connection Hangs or Fails with ORA-12152: TNS: Unable to send break (Doc ID 2366424.1)

Last updated on FEBRUARY 15, 2020

Applies to:

Oracle Net Services - Version 10.1.0.2 to 12.1.0.2 [Release 10.1 to 12.1]
Information in this document applies to any platform.

Symptoms

DB link operation fails with following error:

==========================

SQL> create public database link ABCD.COM connect to xxxxx identified by "xxxxx" using 'ORCL';

Database link created.

SQL> select count(*) from Schema_name@ABCD.COM;


After very long time it throws back this error below

select count(*) from Schema_name@ABCD.COM
  *
ERROR at line 1:
ORA-12152: TNS:unable to send break message
ORA-02063: preceding line from ORCL

Changes

 No changes .

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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