死锁检测2

   

                long[] moniterthreads = mxb.findmonitordeadlockedthreads();                if (moniterthreads != null)                {                    sb.append("moniterthreads:").append(moniterthreads.length).append('\n');                    threadinfo[] moniterthreadinfos = mxb.getthreadinfo(moniterthreads);                    for (threadinfo ti : moniterthreadinfos)                    {                        // lockinfo li = ti.getlockinfo();                        // lockinfo li = ti.getlockownerid();                        thread thread = threadmap.get(ti.getthreadid());                        if (thread != null)                        {                            threadgroup tg = thread.getthreadgroup();                            stacktraceelement[] stes = thread.getallstacktraces().get(thread);                            sb.append("threadgroup=").append((tg != null ? tg.getname() : ""));                            if (stes != null)                            {                                for (stacktraceelement ste : stes)                                {                                    sb.append(",").append(ste.tostring());                                }                            }                        }                        else                        {                            sb.append("threadgroup=").append("thread is null?");                        }                        sb.append(",name=")                            .append(thread.getname())                            .append(",lockclassname=")                            .append(((ti.getlockname() != null) ? ti.getlockname() : ""))                            .append(",state=")                            .append(ti.getthreadstate())                            .append('\n');                    }                }                // long[] lockedthreads = mxb.finddeadlockedthreads();                long[] lockedthreads = mxb.findmonitordeadlockedthreads();                if (lockedthreads != null)                {                    sb.append("lockedthreads:").append(lockedthreads.length).append('\n');                    threadinfo[] lockthreadinfos = mxb.getthreadinfo(lockedthreads);                    for (threadinfo ti : lockthreadinfos)                    {                        // lockinfo li = ti.getlockownerid();                        thread thread = threadmap.get(ti.getthreadid());                        if (thread != null)                        {                            threadgroup tg = thread.getthreadgroup();                            stacktraceelement[] stes = thread.getallstacktraces().get(thread);                            sb.append("threadgroup=").append((tg != null ? tg.getname() : ""));                            if (stes != null)                            {                                for (stacktraceelement ste : stes)                                {                                    sb.append(",").append(ste.tostring());                                }                            }                        }                        else                        {                            sb.append("threadgroup=").append("thread is null?");                        }                        sb.append(",name=")                            .append(thread.getname())                            .append(",lockclassname=")                            .append(((ti != null) ? ti.getlockname() : ""))                            .append(",state=")                            .append(ti.getthreadstate())                            .append('\n');                    }                }            }            catch (exception e)            {                e.printstacktrace();            }            if (sb.length() > 0)            {                system.out.println(sb.deletecharat(sb.length() - 1).tostring());            }        }    }