[Webtest] ERROR (Step.java:333) - Cannot handle unexpected exception in step Inv

[CF Wong]

I have the same problem but after applying Lezeol's patch, it still doesn't work. 
My config.: ant 1.5.4, webtest build#: 441
The error message is attached.
I would appreciate some one could help. Thanks.

------ error message ----------
C:\WebTest\doc\samples>ant -buildfile installTest.xml
Buildfile: installTest.xml

checkANT:

mayPrintANTError:

checkWebTest:
     [echo] base dir is C:\WebTest\doc\samples
 [testSpec] ERROR (Step.java:333) - Cannot handle unexpected exception in step I
nvokePage at  with (stepId="get local file", url="C:\WebTest\doc\samples/testfil
e.html", stepType="invoke")
 [testSpec] java.net.UnknownHostException: C
 [testSpec]     at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:153)
 [testSpec]     at java.net.Socket.connect(Socket.java:452)
 [testSpec]     at java.net.Socket.connect(Socket.java:402)
 [testSpec]     at sun.net.NetworkClient.doConnect(NetworkClient.java:139)
 [testSpec]     at sun.net.NetworkClient.openServer(NetworkClient.java:118)
 [testSpec]     at sun.net.ftp.FtpClient.openServer(FtpClient.java:423)
 [testSpec]     at sun.net.ftp.FtpClient.<init>(FtpClient.java:692)
 [testSpec]     at sun.net.www.protocol.ftp.FtpURLConnection.connect(FtpURLConne
ction.java:175)
 [testSpec]     at sun.net.www.protocol.ftp.FtpURLConnection.getInputStream(FtpU
RLConnection.java:257)
 [testSpec]     at com.meterware.httpunit.HttpWebResponse.getInputStream(HttpWeb
Response.java:68)
 [testSpec]     at com.meterware.httpunit.HttpWebResponse.<init>(HttpWebResponse
.java:61)
 [testSpec]     at com.meterware.httpunit.WebConversation.newResponse(WebConvers
ation.java:61)
 [testSpec]     at com.meterware.httpunit.WebWindow.getResource(WebWindow.java:1
62)
 [testSpec]     at com.meterware.httpunit.WebWindow.getSubframeResponse(WebWindo
w.java:125)
 [testSpec]     at com.meterware.httpunit.WebWindow.getResponse(WebWindow.java:1
18)
 [testSpec]     at com.meterware.httpunit.WebWindow.getResponse(WebWindow.java:9
9)
 [testSpec]     at com.meterware.httpunit.WebClient.getResponse(WebClient.java:8
6)
 [testSpec]     at com.canoo.webtest.steps.request.Target.getResponse(Target.jav
a:179)
 [testSpec]     at com.canoo.webtest.steps.request.Target$2.call(Target.java:156
)
 [testSpec]     at com.canoo.webtest.steps.request.Target.protectedGoto(Target.j
ava:106)
 [testSpec]     at com.canoo.webtest.steps.request.Target.gotoTarget(Target.java
:153)
 [testSpec]     at com.canoo.webtest.steps.request.InvokePage.doExecute(InvokePa
ge.java:37)
 [testSpec]     at com.canoo.webtest.steps.Step.execute(Step.java:99)
 [testSpec]     at com.canoo.webtest.engine.Engine.executeSteps(Engine.java:26)
 [testSpec]     at com.canoo.webtest.ant.TestSpecificationTask.execute(TestSpeci
ficationTask.java:68)
 [testSpec]     at org.apache.tools.ant.UnknownElement.execute(UnknownElement.ja
va:193)
 [testSpec]     at org.apache.tools.ant.Task.perform(Task.java:341)
 [testSpec]     at org.apache.tools.ant.Target.execute(Target.java:309)
 [testSpec]     at org.apache.tools.ant.Target.performTasks(Target.java:336)
 [testSpec]     at org.apache.tools.ant.Project.executeTarget(Project.java:1339)

 [testSpec]     at org.apache.tools.ant.Project.executeTargets(Project.java:1255
)
 [testSpec]     at org.apache.tools.ant.Main.runBuild(Main.java:609)
 [testSpec]     at org.apache.tools.ant.Main.start(Main.java:196)
 [testSpec]     at org.apache.tools.ant.Main.main(Main.java:235)

BUILD FAILED
file:C:/WebTest/doc/samples/installTest.xml:10: Test failed.
Exception raised: com.canoo.webtest.engine.StepExecutionException: Unexpected ex
ception caught: java.net.UnknownHostException: C, Step: InvokePage at  with (ste
pId="get local file", url="C:\WebTest\doc\samples/testfile.html", stepType="invo
ke")com.canoo.webtest.engine.StepExecutionException: Unexpected exception caught
: java.net.UnknownHostException: C, Step: InvokePage at  with (stepId="get local
 file", url="C:\WebTest\doc\samples/testfile.html", stepType="invoke")
        at com.canoo.webtest.steps.Step.handleUnexpectedException(Step.java:334)

        at com.canoo.webtest.steps.request.Target.protectedGoto(Target.java:115)

        at com.canoo.webtest.steps.request.Target.gotoTarget(Target.java:153)
        at com.canoo.webtest.steps.request.InvokePage.doExecute(InvokePage.java:
37)
        at com.canoo.webtest.steps.Step.execute(Step.java:99)
        at com.canoo.webtest.engine.Engine.executeSteps(Engine.java:26)
        at com.canoo.webtest.ant.TestSpecificationTask.execute(TestSpecification
Task.java:68)
        at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:193)
        at org.apache.tools.ant.Task.perform(Task.java:341)
        at org.apache.tools.ant.Target.execute(Target.java:309)
        at org.apache.tools.ant.Target.performTasks(Target.java:336)
        at org.apache.tools.ant.Project.executeTarget(Project.java:1339)
        at org.apache.tools.ant.Project.executeTargets(Project.java:1255)
        at org.apache.tools.ant.Main.runBuild(Main.java:609)
        at org.apache.tools.ant.Main.start(Main.java:196)
        at org.apache.tools.ant.Main.main(Main.java:235)


Total time: 34 seconds
C:\WebTest\doc\samples>

Best Regards,
CF