Program: 89036
Project: 89036
Buggy source:
private void printStackTraceSync(Throwable t,boolean expected){
  BukkitScheduler bs=plugin.getServer().getScheduler();
  try {
    String prefix=plugin.getName() + "String_Node_Str";
    StringWriter sw=new StringWriter();
    PrintWriter pw=new PrintWriter(sw);
    t.printStackTrace(pw);
    String[] sts=sw.toString().replace("String_Node_Str","String_Node_Str").split("String_Node_Str");
    String[] out;
    if (expected)     out=new String[sts.length + 31];
 else     out=new String[sts.length + 33];
    out[0]=prefix;
    out[1]=prefix + "String_Node_Str";
    out[2]=prefix + "String_Node_Str" + SUPPORT_URL;
    out[3]=prefix + "String_Node_Str";
    out[4]=prefix + "String_Node_Str";
    int i=5;
    for (; i - 5 < sts.length; i++)     out[i]=prefix + sts[i - 5];
    out[++i]=prefix + "String_Node_Str";
    out[++i]=prefix + "String_Node_Str" + version;
    out[++i]=prefix + "String_Node_Str" + delay;
    out[++i]=prefix + "String_Node_Str" + ymlPrefix;
    out[++i]=prefix + "String_Node_Str" + ymlSuffix;
    out[++i]=prefix + "String_Node_Str" + bukkitdevPrefix;
    out[++i]=prefix + "String_Node_Str" + bukkitdevSuffix;
    out[++i]=prefix + "String_Node_Str" + bukkitdevSlug;
    out[++i]=prefix + "String_Node_Str" + COLOR_INFO.name();
    out[++i]=prefix + "String_Node_Str" + COLOR_OK.name();
    out[++i]=prefix + "String_Node_Str" + COLOR_ERROR.name();
    out[++i]=prefix + "String_Node_Str" + bukget;
    out[++i]=prefix + "String_Node_Str" + bukgetFallback;
    out[++i]=prefix + "String_Node_Str" + pid;
    out[++i]=prefix + "String_Node_Str" + av;
    out[++i]=prefix + "String_Node_Str" + config;
    out[++i]=prefix + "String_Node_Str" + lock.get();
    out[++i]=prefix + "String_Node_Str" + needUpdate;
    out[++i]=prefix + "String_Node_Str" + updatePending;
    out[++i]=prefix + "String_Node_Str" + updateURL;
    out[++i]=prefix + "String_Node_Str" + updateVersion;
    out[++i]=prefix + "String_Node_Str" + pluginURL;
    out[++i]=prefix + "String_Node_Str" + type;
    out[++i]=prefix + "String_Node_Str";
    out[++i]=prefix;
    if (!expected) {
      out[++i]=prefix + "String_Node_Str";
      out[++i]=prefix;
    }
    bs.scheduleSyncDelayedTask(plugin,new SyncMessageDelayer(null,out));
  }
 catch (  Throwable e) {
    e.printStackTrace();
  }
  if (!expected) {
    bs.cancelTask(pid);
    bs.scheduleAsyncDelayedTask(plugin,new Runnable(){
      public void run(){
        while (!lock.compareAndSet(false,true)) {
          try {
            Thread.sleep(1L);
          }
 catch (          InterruptedException e) {
          }
        }
        pid=-1;
        config=null;
        needUpdate=updatePending=false;
        updateURL=updateVersion=pluginURL=type=null;
      }
    }
);
  }
}

Fixed version (ground truth):
private void printStackTraceSync(Throwable t,boolean expected){
  BukkitScheduler bs=plugin.getServer().getScheduler();
  try {
    List<String> lines=new ArrayList<String>();
    String prefix="String_Node_Str";
    lines.add(String.format("String_Node_Str",plugin.getName()));
    lines.add("String_Node_Str");
    lines.add("String_Node_Str");
    lines.add("String_Node_Str" + SUPPORT_URL);
    lines.add("String_Node_Str");
    lines.add("String_Node_Str");
    addMultiString(lines,ExceptionUtils.getFullStackTrace(t));
    lines.add("String_Node_Str");
    addMultiString(lines,ToStringBuilder.reflectionToString(this,ToStringStyle.MULTI_LINE_STYLE).replace(ChatColor.COLOR_CHAR,'&'));
    if (!expected) {
      lines.add("String_Node_Str");
      lines.add("String_Node_Str");
    }
    lines.add("String_Node_Str");
    lines.add("String_Node_Str");
    bs.scheduleSyncDelayedTask(plugin,new SyncMessageDelayer(null,prefix,lines));
  }
 catch (  Throwable e) {
    e.printStackTrace();
  }
  if (!expected) {
    bs.cancelTask(pid);
    bs.scheduleAsyncDelayedTask(plugin,new Runnable(){
      public void run(){
        while (!lock.compareAndSet(false,true)) {
          try {
            Thread.sleep(1L);
          }
 catch (          InterruptedException e) {
          }
        }
        pid=-1;
        config=null;
        needUpdate=updatePending=false;
        updateURL=updateVersion=pluginURL=type=null;
      }
    }
);
  }
}