final HtmlPage page = se.getPage(); // should normally not be null but it happens in HtmlUnit 1.14 ;-(
final StepFailedException sfe = new StepFailedException(
"JavaScript error loading page "
+ (page != null ? page.getWebResponse().getUrl().toString() : "")
+ ": " + se.getMessage(), se);
sfe.addDetail("javascript error", se.getMessage());
sfe.addDetail("line", String.valueOf(se.getFailingLineNumber()));
sfe.addDetail("javascript source", se.getScriptSourceCode());
sfe.addDetail("failing line", se.getFailingLine());
// the javascript call stack