How to debug XLANG schedule

Introduction

This article will show you how to debug XLANG schedule. Before you begin, you must install XLANG trace located on [Drive]:\Program Files\Microsoft BizTalk Server\SDK\XLANG Samples\XlangTrace.

The steps involved

Step 1

This is a simple one. Receive a MSMQ message queue (blue line) and forward to another MSMQ message queue (red One).

Step 2

Add 2 actions to debug the above schedule (mapped to Logger class of XLANG trace Com)

Step 3

Map the data part

Step 4

Add New Constant (name it debug to invoke the trace process and to disable when release).

Step 5

Add the decision prior to the trace as in the following diagram.

Step 6

• Compile the schedule
• Run the schedule. The result will logged on
• Open the SQL enterprise manager
• Open XLANG_TRACE database
• Open trace_table Table

Step 7

To disable the trace - edit the debug constant as false (0) as in the attached figure.

Recompile the schedule. Then you can release the schedule.