Method getThreadDump

java/org/apache/tomcat/util/Diagnostics.java:306–341

Formats the thread dump for one thread. @param ti the ThreadInfo describing the thread @return the formatted thread dump

(ThreadInfo ti)

     * @return the formatted thread dump
     */
    private static String getThreadDump(ThreadInfo ti) {
        StringBuilder sb = new StringBuilder(getThreadDumpHeader(ti));
        for (LockInfo li : ti.getLockedSynchronizers()) {
            sb.append(INDENT2 + "locks ").append(li.toString()).append(CRLF);
        }
        boolean start = true;
        StackTraceElement[] stes = ti.getStackTrace();
        Object[] monitorDepths = new Object[stes.length];
        MonitorInfo[] mis = ti.getLockedMonitors();
        for (MonitorInfo monitorInfo : mis) {
            monitorDepths[monitorInfo.getLockedStackDepth()] = monitorInfo;
        }
        for (int i = 0; i < stes.length; i++) {
            StackTraceElement ste = stes[i];
            sb.append(INDENT2 + "at ").append(ste.toString()).append(CRLF);
            if (start) {
                if (ti.getLockName() != null) {
                    sb.append(INDENT2 + "- waiting on (a ").append(ti.getLockName()).append(")");
                    if (ti.getLockOwnerName() != null) {
                        sb.append(" owned by ").append(ti.getLockOwnerName()).append(" Id=")
                                .append(ti.getLockOwnerId());
                    }
                    sb.append(CRLF);
                }
                start = false;
            }
            if (monitorDepths[i] != null) {
                MonitorInfo mi = (MonitorInfo) monitorDepths[i];
                sb.append(INDENT2 + "- locked (a ").append(mi.toString()).append(")").append(" index ");
                sb.append(mi.getLockedStackDepth()).append(" frame ").append(mi.getLockedStackFrame().toString());
                sb.append(CRLF);

            }
        }
        return sb.toString();
    }

    /**
     * Formats the thread dump for a list of threads.