Top 6 Challenges of using IBM RIT
While going through performance testing exercises using IBM RIT (Rational Integration Tester), you might come across some major challenges you might want to prepare yourself for beforehand.
Although Rational Integration Tester is a powerful tool to perform automated testing, but its overall system architecture is too complex. The tester will have to go through the process of complex performance test pre-requisites before testing any application.
Lesser Availability of Technical Support
You might have to face many technical difficulties during your testing exercise, however, you might not get much technical help from the IBM experts.
Not Supported with Old JDKs
Rational integration tester does not support any application that builds on the legacy JDK (Java Development Kit) v1.2 and the earlier versions. You have to upgrade your application to the latest JDK to get supported by RIT.
Business Process Recording
Sometimes Rational Integration Tester is unable to record the complete business process for scripting. It skips any database queries, records the same query twice, etc. So you have to record a single business process multiple times and ensure that it was recorded correctly. Or you will have to wait once a process is completely recorded within the business scenario and then start the second and so on.
Supporting Actual Business Process Transactions
RIT record’s all the business transaction queries in a sequence as executed in the actual business process. These recorded queries (Select statements, Update queries, Table Locking Statement, Insert, and Delete) are moved to “Test Factory” for performance test execution. But during this stage these recorded queries don’t fullfill the actual business transaction concept. In banking transactions, there are concepts of “Locking tables”, “Roll Back” and “Commit” actions performed at the end of each transaction which determine the status of transactions (Fail or Pass).
If all the processes within the transactions pass successfully, then Commit Action consider’s the transactions as a Pass, otherwise if any processes are interrupted during the transactions , The Roll Back action cancel the all transaction details and returns the Fail status.
The Performance tester has to do a lot of work to get work performed in RIT. The tester might even have to alter the recorded test scripts and adopt alternative ways to get the task done.
RIT does not provide us a complete and comprehensive load testing report. It just shows the test run summary and some information at the end. In the absence of this information this would be very difficult for us to diagnose the root cause of the problem we faced during load testing exercise. To get a comprehensive test report you might have to use another external monitoring tool.
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