Oracle Error Backtrace
l_depth LOOP DBMS_OUTPUT.put_line( RPAD(i, 10) || RPAD(UTL_CALL_STACK.lexical_depth(i), 10) || RPAD(TO_CHAR(UTL_CALL_STACK.unit_line(i),'99'), 10) || RPAD(NVL(UTL_CALL_STACK.owner(i),' '), 10) || RPAD(NVL(UTL_CALL_STACK.current_edition(i),' '), 10) || UTL_CALL_STACK.concatenate_subprogram(UTL_CALL_STACK.subprogram(i)) ); END LOOP; DBMS_OUTPUT.put_line('***** Call Stack End *****'); END; / more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Notify me of new posts via email. Therefore, an important distinction needs to be made between application code that needs to be logged and that which doesn't. Check This Out
James Potter and the Cloak of Invisibility - Why didn't he use it to hide the family from Voldemort? For example, using the bt.info function, the exception section of proc3 now looks like the procedure in Listing 4. Skip to content Home August 29, 2014August 28, 2014 sql Leave a comment Backtrace DBMS_UTILITY debugging Errors FORMAT_ERROR_BACKTRACE logging Oracle PL/SQL Stacktrace PL/SQL backtraces fordebugging For many PL/SQL developers, this might This can be a major problem. http://www.oracle.com/technetwork/testcontent/o25plsql-093886.html
How To Find Which Line Error Was Raised In Oracle
Code Listing 6: Executable section of the bt.info function BEGIN initialize_values; retval.program_owner := SUBSTR (backtrace_in , l_name_start_loc + 1 , l_dot_loc - l_name_start_loc - 1 ); retval.program_name := SUBSTR (backtrace_in, l_dot_loc The application logs would now record the fact that an ORA-00900 was raised, but in a scaled-up application, it wouldn't know which statement hit the exception. l_depth LOOP DBMS_OUTPUT.put_line( RPAD(i, 10) || RPAD('ORA-' || LPAD(UTL_CALL_STACK.error_number(i), 5, '0'), 10) || UTL_CALL_STACK.error_msg(i) ); END LOOP; DBMS_OUTPUT.put_line('***** Error Stack End *****'); END; / -- Run the test.
- In this package, I provide a simple, clean interface as follows: CREATE OR REPLACE PACKAGE bt IS TYPE error_rt IS RECORD ( program_owner all_objects.owner%TYPE , program_name all_objects.object_name%TYPE , line_number PLS_INTEGER );
- Given the below example: create or replace package mypackage as procedure myprocedure; end; / create or replace package body mypackage as procedure myprocedure as x number; begin select count(*) into x
- Newer Post Older Post Home Subscribe to: Post Comments (Atom) Followers About Me Mukesh I'm an Oracle user.
- From this behavior, we can conclude that DBMS_UTILITY.FORMAT_ERROR_BACKTRACE shows the trace of execution back to the last RAISE in one's session.
- ORA-01476: divisor is equal to zero Error_Backtrace...
- In previous releases this information was displayed using the DBMS_UTILITY.FORMAT_ERROR_BACKTRACE function, as shown below. -- Procedure to display the call stack.
- The error stack allows you to display chains of errors, making it easier to determine the real cause of the issue.
The very first step in my info function is to perform a set of INSTR calls to identify the starting and ending locations of the various elements of the string that Oracle Reference Cursors Oracle FAQ Your Portal to the Oracle Knowledge Grid HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US Home -> Community -> Usenet Send us your comments Popular Downloads E-mail this page Printer View Oracle Cloud Learn About Oracle Cloud Computing Get a Free Trial Learn About DaaS Learn About SaaS Dbms_utility Backtrace SQL> Backtrace Backtrace shows a walk through the call stack from the line where the exception was raised, to the last call before the exception was trapped.
A major caveat to this is, of course, that if we go back to procedure WILL_ERROR and re-raise the exception in a WHEN OTHERS or such-like, we will once again lose Format_error_stack Vs Format_error_backtrace asked 1 year ago viewed 917 times active 1 year ago Blog How Do Software Developers in New York, San Francisco, London and Bangalore… Related 2getting error installing oracle 11gR2: cannot ERROR_MSG : The error message associated with the current line in the error stack. The existing functionality in the DBMS_UTILITY package is still available and has not been deprecated.
Just the Line Number, Please In a real-world application, the error backtrace could be very long. How To Find Error Line Number In Pl/sql Fill in your details below or click an icon to log in: Email (required) (Address never made public) Name (required) Website You are commenting using your WordPress.com account. (LogOut/Change) You are The following example recreates the DISPLAY_BACKTRACE procedure to use the UTL_CALL_STACK package, then re-runs the test. -- Procedure to display the call stack. Syntax of these two functions is : DBMS_UTILITY.FORMAT_ERROR_BACKTRACE RETURN VARCHAR2; DBMS_UTILITY.FORMAT_ERROR_STACK RETURN VARCHAR2; Example: Create or replace procedure proc0 is Begin RAISE NO_DATA_FOUND; END; CREATE OR REPLACE PROCEDURE PROC1 IS BEGIN
Format_error_stack Vs Format_error_backtrace
With these locations established, I can now use SUBSTR to extract the desired portions and assign them to the fields in my record to be returned to the calling program, as The following example recreates the DISPLAY_ERROR_STACK procedure to use the UTL_CALL_STACK package, then re-runs the test. -- Procedure to display the call stack. How To Find Which Line Error Was Raised In Oracle SQL> create or replace procedure p2 2 as 3 begin 4 null; 5 p1; 6 end; 7 / Procedure created. Dbms_utility.format_error_backtrace 11g Join 5,273 other followers Twitter Updates Top Nine Coding Guidelines for Oracle PL/SQL buff.ly/2gp71dB 5hoursago Quick, jOOQers!
Error handling and resolution have gotten much easier in Oracle Database 10g. SQL> BEGIN 2 EXECUTE IMMEDIATE 'garbage'; 3 EXCEPTION 4 WHEN OTHERS THEN 5 DBMS_OUTPUT.PUT_LINE( SQLERRM ); 6 DBMS_OUTPUT.PUT_LINE( DBMS_UTILITY.FORMAT_ERROR_BACKTRACE ); 7 RAISE; 8 END; 9 / ORA-00900: invalid SQL statement ORA-06512: Is there way to perform "if (condition) typedef ..." Using shrinkage when estimating covariance matrix before doing PCA The Detect Thoughts spell is trivializing social encounters. l_depth LOOP DBMS_OUTPUT.put_line( RPAD(i, 10) || RPAD(UTL_CALL_STACK.lexical_depth(i), 10) || RPAD(TO_CHAR(UTL_CALL_STACK.unit_line(i),'99'), 10) || RPAD(NVL(UTL_CALL_STACK.owner(i),' '), 10) || RPAD(NVL(UTL_CALL_STACK.current_edition(i),' '), 10) || UTL_CALL_STACK.concatenate_subprogram(UTL_CALL_STACK.subprogram(i)) ); END LOOP; DBMS_OUTPUT.put_line('***** Call Stack End *****'); END; / Oracle Call Stack Trace
Monday, January 4, 2010 DBMS_UTILITY - Call Stack, Error Stack and Error BackTrace DBMS_UTILITY.FORMAT_CALL_STACK - used to trace calling of programsDBMS_UTILITY.FORMAT_ERROR_STACK - used to seeDBMS_UTILITY.FORMAT_ERROR_BACKTRACE - used to locate the original You can find the session(s) executing the specific SQL in DBA_HIST_ACTIVE_SESS_HISTORY view based on the sql_id. LEXICAL_DEPTH : Lexical depth of the subprogram within the current call. I will continue to use my_putline , since the backtrace could be very long if the call stack is deep (and your program names are long).
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CREATE OR REPLACE PROCEDURE display_call_stack AS BEGIN DBMS_OUTPUT.put_line('***** Call Stack Start *****'); DBMS_OUTPUT.put_line(DBMS_UTILITY.format_call_stack); DBMS_OUTPUT.put_line('***** Call Stack End *****'); END; / -- Test package to show a nested call. Follow Blog via Email Enter your email address to follow this blog and receive notifications of new posts by email. The basic task is to parse a string with this format: ORA-NNNNN: at "OWNER.PROGRAM_NAME", line NNN Here are the steps I took: 1. Pl Sql Call Stack As soon as you issue a RAISE of a particular exception or re-raise the current exception, you restart the stack that the backtrace function produces.
The following example shows the backtrace in reverse order. -- Procedure to display the call stack. Is this a bug or by design? Depth Number --------- --------- --------- --------- --------- -------------------- 5 0 1 __anonymous_block 4 1 5 TEST TEST_PKG.PROC_1 3 1 10 TEST TEST_PKG.PROC_2 2 1 15 TEST TEST_PKG.PROC_3 1 0 13 TEST Now that we have the line number, we can zoom right in on the problem code and fix it.
Commuting daily with an Expensive Bike, tips? SQL> BEGIN 2 will_error(); 3 EXCEPTION 4 WHEN OTHERS THEN 5 DBMS_OUTPUT.PUT_LINE( SQLERRM ); 6 DBMS_OUTPUT.PUT_LINE( DBMS_UTILITY.FORMAT_ERROR_BACKTRACE ); 7 END; 8 / ORA-06501: PL/SQL: program error ORA-06512: at "SCOTT.WILL_ERROR", line 3 Cheers, Vijay Posted by Vijayaragavan at 10:55:00 pm Email This BlogThis! Backtrace to the Rescue In Oracle Database 10g, Oracle added DBMS_UTILITY.FORMAT_ERROR_BACKTRACE , which can and should be called in your exception handler.
In many applications, however, we work to avoid unhandled exceptions. Let's revisit the error-handling behavior available to programmers in Oracle9i Database. Related Post navigation PreviousNext Leave a Reply Cancel reply Enter your comment here... It has always been possible in PL/SQL to identify the source of an exception in a block of code; i.e.
deleting billions of files from directory while seeing the progress as well How to get sprint progress from complexity-based estimation? Code Listing 5: Initialization procedure in bt.info PROCEDURE initialize_values IS BEGIN l_name_start_loc := INSTR (backtrace_in, c_name_delim, 1, 1); l_dot_loc := INSTR (backtrace_in, c_dot_delim); l_name_end_loc := INSTR (backtrace_in, c_name_delim, 1, 2); l_line_loc Browse other questions tagged oracle oracle-11g-r2 or ask your own question. Error Stack Exceptions are often handled by exception handlers and re-raised.