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ORA-30683: SQL Developer PL/SQL Remote Debugging Fails Against Database on Cloud (Doc ID 2569403.1)

Last updated on JULY 22, 2022

Applies to:

Oracle SQL Developer - Version 19.1 and later
Information in this document applies to any platform.


The following error occurs when trying to remote debug PL/SQL with SQL Developer against database on the Cloud:

Running PL/SQL: CALL DBMS_DEBUG_JDWP.CONNECT_TCP( '', '<number>' )
ORA-30683: failed to establish connection to debugger.)
ORA-12541: TNS: no listener
ORA-06512: "SYS.DBMS_DEBUG_JDWP", line 68
ORA-06512: line 1



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