To analyze errors in R/3 transactions called from a Web browser, the Internet Transaction Server (ITS) provides a special debugging tool. The ITS debugger is a separate debugging tool, but rather an integration of existing SAP debugging functionality into the ITS.
This integration is possible because Web transactions are implemented on the R/3 side using the ABAP Workbench, and differ only slightly from standard R/3 transactions. For example, Web transactions do not use some of the screen elements allowed in standard R/3 screens. Also, special dialog control rules must be observed when programming Web transactions.
When you create an ITS service, the ITS creates an HTML template for each R/3 screen. These templates control how the contents of R/3 fields are converted to HTML and determine how user entries are transferred from the Web browser to R/3 screen fields. The ITS debugger allows you to monitor this transfer, both in the HTML page, and in the R/3 System.
To debug a Web transaction, you log on to the ITS using the SAPGUI. The ITS debugger then displays the status of your transaction simultaneously in a SAPgui window, and in the Web browser. This way, you can determine whether a Web browser action has produced the desired result in the SAPgui.
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