Dbms_debug_jdwp.Connect_tcp Unable to Connect to Debugger: Error ORA-30683
(Doc ID 363691.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle SQL Developer - Version 22.214.171.124.67 to 4.0 [Release 1 to 4]
Information in this document applies to any platform.
The loss of functionality
Debugging a procedure in a remote database using a TNS connection raises error in the debugging-log tab:
Connecting to the database email@example.com.
Executing PL/SQL: ALTER SESSION SET PLSQL_DEBUG=TRUE
Executing PL/SQL: CALL DBMS_DEBUG_JDWP.CONNECT_TCP( 'XXX.X.X.X', '2920' )
ORA-30683: failure establishing connection to debugger
ORA-12541: TNS:no listener
ORA-06512: at "SYS.DBMS_DEBUG_JDWP", line 68
ORA-06512: at line 1
Note: Different behavior with Database Pre 9ir2, it will use DBMS_DEBUG package without error, but SQL Developer is certified with 9ir2 and above.
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