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How many types of debugging are there in ABAP?

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William Jenkins

Published Feb 22, 2026

How many types of debugging are there in ABAP?

There are two types of SAP ABAP Debuggers: Classical Debugger for releases up to 6.40 and New ABAP Debugger, which is provided for all 6.40 and later releases.

Consequently, what type of debugger is used in SAP?

The ABAP Debugger is used tool to execute and analyze programs line by line. Using it we can check the flow logic of a program and display runtime values of the variables. Currently, SAP offers two types of Debuggers: The Classic ABAP Debugger.

Also Know, how many Watchpoints are there in SAP ABAP? 2 Answers. Rajesh, the max number 10 that you have been told is for the classic debugger. While using the new debugger as far as I know there is no restriction on the number of watch points.

In this way, how many breakpoints are there in SAP ABAP?

Up to 30 session breakpoints, external breakpoints, and debugger breakpoints can be set. A breakpoint is either active or inactive .

What is watchpoint in ABAP?

In SAP, a watchpoint is a conditional breakpoint that is only defined in the ABAP Debugger. It is one of the runtime utility components provided to debug SAP application programs and serves as an indicator to the ABAP runtime processor to interrupt further program processing from the specified point or relation.

How do I debug SAP?

Line by Line Debug

Step 1: Below I have created a sample program in the name of Zdebug.
Step 2: Place the cursor on the line and Set Session Breakpoints.
Step 3: Now execute the program.
Step 4: Execute Again.
Step 5: Check the values in output table T_KNA1.

What is session breakpoint in SAP?

With session breakpoints you can stop and debug requests that you trigger in the same user session where you have set the session breakpoints. They are therefore particularly useful for debugging SAP GUI-based applications.

What is SAP debugging?

Debugging is the process of analyzing the flow of a program to locate and reduce defects or bugs. In SAP, the debugging process is applied with the help of ABAP Debugger, a SAP programming tool that is capable of analyzing an ABAP program or object, by line or section, and can even change object values at runtime.

How do I use ABAP debugger?

To do this, go to ABAP Editor (SE38)→ Utilities → Settings.

Now in the user-specific settings pop up box click on ABAP Editor tab and then click on Debugging.
Here you can select the New Debugger radio button to make it your default debugger.
External (User) Debugging.

What is system debugging?

Debugging is the process of finding and resolving defects or problems within a computer program that prevent correct operation of computer software or a system.

How do I stop SAP debugging?

If no further external session is available, the Debugger start is cancelled. If you want to debug system programs or screens, choose System → Utilities → Debug System or Debug Screen. 5. To switch to the Classic Debugger, choose Debugger → Switch to Classic Debugger.

How do I switch to classic debugger in SAP?

Switching between the 'Classic Debugger' and 'New Debugger' You can switch between both the debugger and make any one your default debugger. To do this, go to ABAP Editor (SE38)→ Utilities → Settings. Now in the user-specific settings pop up box click on ABAP Editor tab and then click on Debugging.

How do I enable external debugging in SAP?

activate external breakpoints in sap system. From SE80 , open Utilities->ABAP Editor->Debugging , then enter username that you want to debug externally( it must be a dialog user) . After this click External break-point button in your ABAP editor where you want to put your break-point.

What is external breakpoint in ABAP?

You can implement another type of breakpoint, External Breakpoints for external debugging. You can set one or more external breakpoints for the ABAP program that you later want to interrupt and control with the ABAP debugger. However, an external breakpoint only activates the ABAP Debugger under certain conditions.

What kind of breakpoints can be set?

Up to 30 session breakpoints, external breakpoints, and debugger breakpoints can be set. A breakpoint is either active or inactive . Only active breakpoints take effect.

How do you breakpoint in SAP ABAP?

Breakpoint Types

If you set a breakpoint in the ABAP Editor (SE38), then it is a session breakpoint or an external breakpoint . You can also set a breakpoint statement in the source text of the program.
If you set a breakpoint in the window of the ABAP Debuggers, then this is a debugger breakpoint .

How do you debug a class in SAP ABAP?

Start your application in debugging mode and then choose menu: Breakpoints -> Breakpoint at -> Method. Enter the global class and the method you want to debug. That's it.

What is external debugging in SAP?

External debugging makes it possible for you to stop and debug ABAP programs that are running in the context of another user's session by setting breakpoints. External debugging covers both situations: The program to be checked is running in a user session of another user other than the one who set the breakpoints.

What is the difference between session breakpoint and external breakpoint in SAP?

If you set a breakpoint in the ABAP Editor (SE38), then it is a session breakpoint or an external breakpoint . If you set a breakpoint in the window of the ABAP Debuggers, then this is a debugger breakpoint . Debugger breakpoints can be set in addition in a debugging session that already exists.

How do you debug a report in SAP ABAP?

You can start the Debugger as follows: From the Object Navigator Select a report or transaction and program and choose Program Test Debugging. From the ABAP Editor Choose Program  Execute  Debugging (or the Debugging pushbutton).

What is watchpoint?

watchpoint. Noun. (plural watchpoints) (computing) A debugging mechanism whereby execution is suspended every time a specified memory location is modified; or, any of various similar such mechanisms.

How do I use watchpoint in ABAP debugger?

Just press Watchpoint button and enter the internal table name in the Create Watchpoint popup. The debugger stops when the internal table is changed. You can further refine the watchpoint by specifying a condition (for example stop only if internal table contains more then 200 rows).

How do you create a watchpoint for field symbols in SAP ABAP?

button and double click the item titled “Variable Value (for Simple Variables)” under the Variable Information folder. Change the exporting variable P_VAR_NAME to match the variable that you want to set as a watchpoint and change the importing variable P_VAR_VALUE to store the results in your local data variable.

How do you create a watchpoint for an internal table?

Just press Watchpoint button and enter the internal table name in the Create Watchpoint popup. The debugger stops when the internal table is changed. You can further refine the watchpoint by specifying a condition (for example stop only if internal table contains more then 200 rows).

What is difference between breakpoint and watchpoint in ABAP?

Both are used in SAP ABAP debugger. While running the program, Basically breakpoint will stop the execution control on the statement where the breakpoint has been set. Watchpoint is used to watch/monitor variable value during program execution.

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