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NoClassDefFoundError - af.service.trace

Former Member
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I wrote java client that call ejb on xi server.

When calling the method i got exception:

<i>java.lang.NoClassDefFoundError: com/sap/aii/af/service/trace/Trace

at<clinit>( at java.lang.Class.forName0(Native Method)

at java.lang.Class.forName(


ve Class(


I didn't found a file with that name on the server.

I will appreciate your help,


Accepted Solutions (1)

Accepted Solutions (1)

Former Member
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Hi Roni,

search the following path in your server to get the jar

Checkout the section 3.1 in this pdf link

to download libraries.



Message was edited by: Uma Maheswari

Answers (1)

Answers (1)

Former Member
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Jar file that contains this class is aii_af_trace.jar.

Former Member
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Hello Amol Joshi ,

can you please tell me where can i find this jar file?

thanks for your quick reply!