Error building CAS 3.1

[hezjing]

Hi!

I encounter the following error when building the CAS 3.1 (stable),


C:\cas-server-3.1>mvn package install
......
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 T E S T S
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......
Running org.jasig.cas.authentication.principal.GoogleAccountsServiceTests
Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.109
sec <<< FAILURE!
Running org.jasig.cas.authentication.handler.UnknownUsernameAuthenticationExceptionTests
Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.016 sec
Running org.jasig.cas.web.init.SafeDispatcherServletTests
SafeDispatcherServlet:
The Spring DispatcherServlet we wrap threw on init.
But for our having caught this error, the servlet would not have initialized.
org.springframework.beans.factory.BeanDefinitionStoreException:
IOException parsing XML document from ServletContext resource
[/WEB-INF/-servlet.xml]; nested exception is
java.io.FileNotFoundException
: Could not open ServletContext resource [/WEB-INF/-servlet.xml]
Caused by: java.io.FileNotFoundException: Could not open
ServletContext resource [/WEB-INF/-servlet.xml]
        at org.springframework.web.context.support.ServletContextResource.getInputStream(ServletContextResource.java:99)
......


Do you know what could be the problem?


-- 

Hez