Nothing but No signature of method
I have a number of test cases that all fail with about the same reason: Exception during TestCase Execution groovy.lang.MissingMethodException: No signature of method I remember having this same ...
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Have a read for closures in Java6 and as well check if you could upgrade to recent soapui version. I think you are using pretty old version.
There could be some deprecated methods in recent Java version as well.
There could be some deprecated methods in recent Java version as well.