/** Print message with exception stack trace */
protected void print(String msg, Throwable e) {
StringBuffer sb = new StringBuffer();
sb.append(getName());
sb.append(": ");
sb.append(msg);
sb.append("\n");
if (e != null) {
sb.append(StringUtil.stackTraceString(e));
}
System.out.print(sb.toString());
}
/** Return agent name for messages. Default is to return java instance name. */
protected String getName() {
return StringUtil.shortName(this);
}