TestRunner doesn't work on ext jar

I am able to run the following codes in SoapUI GUI but get error when using TestRunner.

Input from Groovy Script (only 2 lines of code)

import helloworldtest.HWT
log.info HWT.Testing()

Output:
Mon Apr 21 17:39:10 PDT 2014:INFO:Hello how are you

Use Launch TestRunner function and here is the error gettting from TestRunner

command: cmd.exe /C testrunner.bat -sMyTest -c"Test1" -r -a -i "C:\Users\branch.xml"
SoapUI 4.6.4 TestCase Runner
Configuring log4j from [C:\Program Files\SmartBear\SoapUI-4.6.4\bin\soapui-log4j.xml]
java.lang.IllegalStateException: No match found
at java.util.regex.Matcher.group(Unknown Source)
at com.eviware.soapui.support.GroovyUtils.extractErrorLineNumber(GroovyUtils.java:145)
at com.eviware.soapui.impl.wsdl.teststeps.WsdlGroovyScriptTestStep.run(WsdlGroovyScriptTestStep.java:172)
at com.eviware.soapui.impl.wsdl.support.AbstractTestCaseRunner.runTestStep(AbstractTestCaseRunner.java:235)
at com.eviware.soapui.impl.wsdl.testcase.WsdlTestCaseRunner.runCurrentTestStep(WsdlTestCaseRunner.java:48)
at com.eviware.soapui.impl.wsdl.support.AbstractTestCaseRunner.internalRun(AbstractTestCaseRunner.java:148)
at com.eviware.soapui.impl.wsdl.support.AbstractTestCaseRunner.internalRun(AbstractTestCaseRunner.java:43)
at com.eviware.soapui.impl.wsdl.support.AbstractTestRunner.run(AbstractTestRunner.java:135)
at com.eviware.soapui.impl.wsdl.support.AbstractTestRunner.start(AbstractTestRunner.java:77)
at com.eviware.soapui.impl.wsdl.testcase.WsdlTestCase.run(WsdlTestCase.java:640)
at com.eviware.soapui.tools.SoapUITestCaseRunner.runTestCase(SoapUITestCaseRunner.java:598)
at com.eviware.soapui.tools.SoapUITestCaseRunner.runRunner(SoapUITestCaseRunner.java:395)
at com.eviware.soapui.tools.AbstractSoapUIRunner.run(AbstractSoapUIRunner.java:158)
at com.eviware.soapui.tools.AbstractSoapUIRunner.runFromCommandLine(AbstractSoapUIRunner.java:89)
at com.eviware.soapui.tools.SoapUITestCaseRunner.main(SoapUITestCaseRunner.java:115)
org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
Script1.groovy: 1: unable to resolve class helloworldtest.HWT
@ line 1, column 1.
import helloworldtest.HWT
^
org.codehaus.groovy.syntax.SyntaxException: unable to resolve class helloworldtest.HWT
@ line 1, column 1.
at org.codehaus.groovy.ast.ClassCodeVisitorSupport.addError(ClassCodeVisitorSupport.java:146)
at org.codehaus.groovy.control.ResolveVisitor.visitClass(ResolveVisitor.java:1145)
at org.codehaus.groovy.control.ResolveVisitor.startResolving(ResolveVisitor.java:141)
at org.codehaus.groovy.control.CompilationUnit$10.call(CompilationUnit.java:632)
at org.codehaus.groovy.control.CompilationUnit.applyToSourceUnits(CompilationUnit.java:912)
at org.codehaus.groovy.control.CompilationUnit.doPhaseOperation(CompilationUnit.java:574)
at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:523)
at groovy.lang.GroovyClassLoader.doParseClass(GroovyClassLoader.java:279)
at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:258)
at groovy.lang.GroovyShell.parseClass(GroovyShell.java:613)
at groovy.lang.GroovyShell.parse(GroovyShell.java:625)
at groovy.lang.GroovyShell.parse(GroovyShell.java:652)
at groovy.lang.GroovyShell.parse(GroovyShell.java:643)
at com.eviware.soapui.support.scripting.groovy.SoapUIGroovyScriptEngine.compile(SoapUIGroovyScriptEngine.java:148)
at com.eviware.soapui.support.scripting.groovy.SoapUIGroovyScriptEngine.run(SoapUIGroovyScriptEngine.java:93)
at com.eviware.soapui.impl.wsdl.teststeps.WsdlGroovyScriptTestStep.run(WsdlGroovyScriptTestStep.java:149)
at com.eviware.soapui.impl.wsdl.support.AbstractTestCaseRunner.runTestStep(AbstractTestCaseRunner.java:235)
at com.eviware.soapui.impl.wsdl.testcase.WsdlTestCaseRunner.runCurrentTestStep(WsdlTestCaseRunner.java:48)
at com.eviware.soapui.impl.wsdl.support.AbstractTestCaseRunner.internalRun(AbstractTestCaseRunner.java:148)
at com.eviware.soapui.impl.wsdl.support.AbstractTestCaseRunner.internalRun(AbstractTestCaseRunner.java:43)
at com.eviware.soapui.impl.wsdl.support.AbstractTestRunner.run(AbstractTestRunner.java:135)
at com.eviware.soapui.impl.wsdl.support.AbstractTestRunner.start(AbstractTestRunner.java:77)
at com.eviware.soapui.impl.wsdl.testcase.WsdlTestCase.run(WsdlTestCase.java:640)
at com.eviware.soapui.tools.SoapUITestCaseRunner.runTestCase(SoapUITestCaseRunner.java:598)
at com.eviware.soapui.tools.SoapUITestCaseRunner.runRunner(SoapUITestCaseRunner.java:395)
at com.eviware.soapui.tools.AbstractSoapUIRunner.run(AbstractSoapUIRunner.java:158)
at com.eviware.soapui.tools.AbstractSoapUIRunner.runFromCommandLine(AbstractSoapUIRunner.java:89)
at com.eviware.soapui.tools.SoapUITestCaseRunner.main(SoapUITestCaseRunner.java:115)

1 error

at org.codehaus.groovy.control.ErrorCollector.failIfErrors(ErrorCollector.java:309)
at org.codehaus.groovy.control.CompilationUnit.applyToSourceUnits(CompilationUnit.java:927)
at org.codehaus.groovy.control.CompilationUnit.doPhaseOperation(CompilationUnit.java:574)
at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:523)
at groovy.lang.GroovyClassLoader.doParseClass(GroovyClassLoader.java:279)
at groovy.lang.GroovyClassLoader.parseClass(GroovyClassLoader.java:258)
at groovy.lang.GroovyShell.parseClass(GroovyShell.java:613)
at groovy.lang.GroovyShell.parse(GroovyShell.java:625)
at groovy.lang.GroovyShell.parse(GroovyShell.java:652)
at groovy.lang.GroovyShell.parse(GroovyShell.java:643)
at com.eviware.soapui.support.scripting.groovy.SoapUIGroovyScriptEngine.compile(SoapUIGroovyScriptEngine.java:148)
at com.eviware.soapui.support.scripting.groovy.SoapUIGroovyScriptEngine.run(SoapUIGroovyScriptEngine.java:93)
at com.eviware.soapui.impl.wsdl.teststeps.WsdlGroovyScriptTestStep.run(WsdlGroovyScriptTestStep.java:149)
at com.eviware.soapui.impl.wsdl.support.AbstractTestCaseRunner.runTestStep(AbstractTestCaseRunner.java:235)
at com.eviware.soapui.impl.wsdl.testcase.WsdlTestCaseRunner.runCurrentTestStep(WsdlTestCaseRunner.java:48)
at com.eviware.soapui.impl.wsdl.support.AbstractTestCaseRunner.internalRun(AbstractTestCaseRunner.java:148)
at com.eviware.soapui.impl.wsdl.support.AbstractTestCaseRunner.internalRun(AbstractTestCaseRunner.java:43)
at com.eviware.soapui.impl.wsdl.support.AbstractTestRunner.run(AbstractTestRunner.java:135)
at com.eviware.soapui.impl.wsdl.support.AbstractTestRunner.start(AbstractTestRunner.java:77)
at com.eviware.soapui.impl.wsdl.testcase.WsdlTestCase.run(WsdlTestCase.java:640)
at com.eviware.soapui.tools.SoapUITestCaseRunner.runTestCase(SoapUITestCaseRunner.java:598)
at com.eviware.soapui.tools.SoapUITestCaseRunner.runRunner(SoapUITestCaseRunner.java:395)
at com.eviware.soapui.tools.AbstractSoapUIRunner.run(AbstractSoapUIRunner.java:158)
at com.eviware.soapui.tools.AbstractSoapUIRunner.runFromCommandLine(AbstractSoapUIRunner.java:89)
at com.eviware.soapui.tools.SoapUITestCaseRunner.main(SoapUITestCaseRunner.java:115)

SoapUI 4.6.4 TestCaseRunner Summary
-----------------------------
Time Taken: 1279ms
Total TestSuites: 0
Total TestCases: 1 (1 failed)
Total TestSteps: 2
Total Request Assertions: 2
Total Failed Assertions: 0
Total Exported Results: 2