title: Fatal Error when running a JUnit test suite
body: <p>I'm using a JUnit test suite in order run a bunch of JUnit test cases, and i got no errors and no failures and all the tests run correctly, but i have the following message displayed in the console and i don't know what's the meaning of it:</p>
  
  <pre><code>[Fatal Error] :1:1: Premature end of file.
  </code></pre>
  
  <p>when i use the error handler i got the following result:</p>
  
  <pre><code>caught exception(fatal error)
  org.xml.sax.SAXParseException; lineNumber: 1; columnNumber: 1; Premature end of file.
      at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
      at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(Unknown Source)
      at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
      at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
      at com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(Unknown Source)
      at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(Unknown Source)
      at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source)
      at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(Unknown Source)
      at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
      at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
      at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
      at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
      at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(Unknown Source)
      at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(Unknown Source)
      at javax.xml.parsers.DocumentBuilder.parse(Unknown Source)
      at com.nc.inotify.dp.xml.impl.XmlSource.convert(XmlSource.java:328)
      at com.nc.inotify.dp.xml.impl.XmlSource.update(XmlSource.java:299)
      at com.nc.inotify.dp.xml.junit.TXmlSource.testUpdate(TXmlSource.java:106)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
      at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
      at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
      at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
      at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
      at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
      at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
      at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
      at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
      at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
      at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
      at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
      at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
      at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)
      at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
      at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
      at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
      at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
      at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
      at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
      at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
  </code></pre>
  
  <p>and that's the method that contains the error:</p>
  
  <pre><code>private Document convert(String xml) throws ParserConfigurationException,
              SAXException, IOException {
  
          // convert String into InputStream
          InputStream is = new ByteArrayInputStream(xml.getBytes());
  
          // convert InputStream to Document
          domFactory = DocumentBuilderFactory.newInstance();
          domFactory.setNamespaceAware(true);
          builder = domFactory.newDocumentBuilder();
          builder(builder);
          is.reset();
          Document doc = builder.parse(is);
          is.close();
  
          return doc;
      }
  </code></pre>