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copied!<p>(Sorry, this comment got out of hand!)</p> <p>What's your JRE? Also, can you paste your imports for this class? Fundamentally both IDEs run the bytecode on the same JVM so this sounds like a build-path issue to me (missing jar/alternate source). You should see an exception hit (though I'd subclass Throwable, not Exception in my catch). </p> <p><a href="http://docs.oracle.com/javase/7/docs/api/javax/xml/parsers/DocumentBuilder.html#parse(java.io.InputStream)" rel="nofollow">http://docs.oracle.com/javase/7/docs/api/javax/xml/parsers/DocumentBuilder.html#parse(java.io.InputStream)</a>. Check your input source for a null source. IllegalArgumentException should be printed on a null, followed (in</p> <p><strong>Looking at your code:</strong></p> <pre><code> try { HttpClient httpClient = new DefaultHttpClient(); HttpContext localContext = new BasicHttpContext(); HttpPost httpPost = new HttpPost(url); HttpResponse response = httpClient.execute(httpPost, localContext); InputStream in = response.getEntity().getContent(); DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder(); //**<--What class is this?** Document doc = builder.parse(in); //if we step through to here, this line executes then goes directly to "x" below return doc; } catch (Exception e) { //<-- Does not catch Error e.printStackTrace(); } return null; //x </code></pre> <p><strong>Try doing this:</strong></p> <pre><code>try { //Your code to read the document } catch (Throwable t) { t.printStackTrace(); //Check your output //Set your breakpoint HERE throw new RuntimeException(t.getMessage(), t); //Check the ExceptionHandler for the application. } </code></pre> <p>I'm suggesting your factory isn't the factory you think it is <strong>OR</strong> that you're getting an Error class and something outside your code is swallowing that exception. There's a good chance your build path is set up differently.</p>

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