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Trying to Debug PL/ SQL in SQL Developer Raises the ERROR ORA-30683 and ORA-12560 (Doc ID 605370.1)

Last updated on JANUARY 23, 2020

Applies to:

Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

Using SQL Developer 1.5.1 or above in Production and debugging a procedure in a remote database raises error in the debugging-log tab:

ERROR

Connecting to the database <databasename>.
Executing PL/SQL: ALTER SESSION SET PLSQL_DEBUG=TRUE
Executing PL/SQL: CALL DBMS_DEBUG_JDWP.CONNECT_TCP( '<........> '57936' )
ORA-30683: failure establishing connection to debugger
ORA-12560: TNS:proto adapter error
ORA-06512: at "SYS.DBMS_DEBUG_JDWP", line 68
ORA-06512: at line 1
Process exited.
Disconnecting from the database <databasename>.

Cause

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In this Document
Symptoms
Cause
Solution

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