public void outputError(Throwable exception) {
    addDebugMessage(exception.toString());

    // Copied from throwable.java
    StackTraceElement[] trace = exception.getStackTrace();
    for (StackTraceElement traceElement : trace) addDebugMessage("\tat " + traceElement);
  }
 private void logTrace(StringBuilder builder, Throwable e) {
   Throwable parent = e;
   String indent = "    ";
   while (parent != null) {
     if (parent == e) {
       builder.append(indent).append("Trace:").append("\n");
     } else {
       builder
           .append(indent)
           .append("Caused By: (")
           .append(parent.getClass().getSimpleName())
           .append(")")
           .append("\n");
       builder
           .append(indent)
           .append("    ")
           .append("[")
           .append(parent.getMessage())
           .append("]")
           .append("\n");
     }
     for (StackTraceElement ele : e.getStackTrace()) {
       builder.append(indent).append("    ").append(ele.toString()).append("\n");
     }
     indent += "    ";
     parent = parent.getCause();
   }
 }