junit.framework.AssertionFailedError: Zero invalid files among total of 158 expected:<0> but was:<6>
at junit.framework.Assert.fail(Assert.java:47)
at junit.framework.Assert.failNotEquals(Assert.java:277)
at junit.framework.Assert.assertEquals(Assert.java:64)
at junit.framework.Assert.assertEquals(Assert.java:195)
at org.jboss.test.metadata.xml.XmlValidationUnitTestCase.testValidation(XmlValidationUnitTestCase.java:120)
....

Both failed on Hudson and local