HTML reports not generated for Tests

[iurehman]

Hi all,
While I do run the test cases (grails test-app), the test do run
correctly but an error occurred in the end and html reports do not
generated.
Here is the stack trace:
Error executing script TestApp: :
javax.xml.transform.TransformerFactoryConfigurationError: Provider
for
javax.xml.transform.
TransformerFactory cannot be found
gant.TargetExecutionException: :
javax.xml.transform.TransformerFactoryConfigurationError: Provider
for
javax.xml.transform.T
ransformerFactory cannot be found
at gant.Gant$_dispatch_closure4.doCall(Gant.groovy:331)
at gant.Gant$_dispatch_closure6.doCall(Gant.groovy:334)
at gant.Gant$_dispatch_closure6.doCall(Gant.groovy)
at gant.Gant.withBuildListeners(Gant.groovy:344)
at gant.Gant.this$2$withBuildListeners(Gant.groovy)
at gant.Gant$this$2$withBuildListeners.callCurrent(Unknown
Source)
at gant.Gant.dispatch(Gant.groovy:334)
at gant.Gant.this$2$dispatch(Gant.groovy)
at gant.Gant.invokeMethod(Gant.groovy)
at gant.Gant.processTargets(Gant.groovy:495)
at gant.Gant.processTargets(Gant.groovy:480)
Caused by: :
javax.xml.transform.TransformerFactoryConfigurationError:
Provider for javax.xml.transform.TransformerFactory ca
nnot be found
at org.apache.tools.ant.dispatch.DispatchUtils.execute
(DispatchUtils.java:115)
at org.apache.tools.ant.Task.perform(Task.java:348)
at _GrailsTest_groovy$_run_closure16.doCall
(_GrailsTest_groovy:
345)
at _GrailsTest_groovy$_run_closure1.doCall
(_GrailsTest_groovy:
123)
at TestApp$_run_closure1.doCall(TestApp.groovy:66)
at gant.Gant$_dispatch_closure4.doCall(Gant.groovy:324)
... 10 more
Caused by: javax.xml.transform.TransformerFactoryConfigurationError:
Provider for javax.xml.transform.TransformerFactory cann
ot be found
at javax.xml.transform.TransformerFactory.newInstance(Unknown
Source)
at
org.apache.tools.ant.taskdefs.optional.TraXLiaison.getFactory
(TraXLiaison.java:362)
at
org.apache.tools.ant.taskdefs.optional.TraXLiaison.getSource
(TraXLiaison.java:251)
at
org.apache.tools.ant.taskdefs.optional.TraXLiaison.readTemplates
(TraXLiaison.java:302)
at
org.apache.tools.ant.taskdefs.optional.TraXLiaison.createTransformer
(TraXLiaison.java:320)
at
org.apache.tools.ant.taskdefs.optional.TraXLiaison.transform
(TraXLiaison.java:170)
at org.apache.tools.ant.taskdefs.XSLTProcess.process
(XSLTProcess.java:709)
at org.apache.tools.ant.taskdefs.XSLTProcess.execute
(XSLTProcess.java:333)
at
org.apache.tools.ant.taskdefs.optional.junit.AggregateTransformer.transform
(AggregateTransformer.java:264)
at
org.apache.tools.ant.taskdefs.optional.junit.XMLResultAggregator.execute
(XMLResultAggregator.java:158)
at org.apache.tools.ant.dispatch.DispatchUtils.execute
(DispatchUtils.java:105)
... 15 more
can any body help me?, what could be the problem?
Thanks,
iurehman.