Looking at your stacktrace I found: "Caused by: java.lang.ClassFormatError:
Incompatible magic value 175137123 in class file com/rb/model/Contact"
Maybe the jar you are uploading was compiled using a newer jdk version that
the one used by guvnor. Can you check that?
Best,
2010/5/27 Mahalakshmi
hi,
I am a new drools user.
I setup the guvnor standalone install from the drools website.
Problem occurs when i upload a .jar file while i created using eclipse.
It shows that the jar file has uploaded successfully but I am unable to
'save & validate'
I get error: "contact system administrator"
Wh
