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I am trying to connect to QC using code below :

ITDConnection2 QCconn= ClassFactory.createTDConnection();
QCconn.initConnectionEx(Parameters.QC_URL);
QCconn.login(Parameters.QC_USERNAME, Parameters.QC_PASSWORD);
QCconn.connect(Parameters.QC_DOMAIN, Parameters.QC_PROJECT);

But i am getting exception at line

ITDConnection2 QCconn= ClassFactory.createTDConnection();

Exception: com4j.ComException: 80004002 QueryInterface failed : No such interface supported : .\com4j.cpp:163

I have QC install on my PC. I am gettign same error on other PCs as well.

Meherzad
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Jas
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3 Answers3

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Which Version of Quality Center your are trying to connect ?

The otaclient.jar file should be compatible with OTACLIENT.dll.

You should also include com4j.jar in the build path.

Prit...
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We got the same problem, we got com4j.jar in the build path

We try to connect to QC 11 but our windows also has QC 10 installed. So there was a problem in the version of the QC. We installed TDConnect from QC 11 to get the code running.

If you run QC 10 it rolls back OTAClient.dll 11 to 10 again.

You have also add otaclient.dll to java.library.path in the VM arguments.

Oliver
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We resolved this issue by reinstalling Quality center 11.52 and run the IE in admin mode and it added the TDConnect plugin to QC , then java program connected to the QC.

Eshwaram
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