private String deadLockEvent(DeadlockBo deadlock) {
        final StringBuilder message = new StringBuilder(128);
        for (ThreadDumpBo threadDump : deadlock.getThreadDumpBoList()) {
            message.append(ThreadDumpUtils.createDumpMessage(threadDump));
        }
        return message.toString();
    }
@author Taejin Koo
@author jaehong.kim - Add DeadlockBo logic
web/src/main/java/com/navercorp/pinpoint/web/view/AgentEventSerializer.java