Program: 37474
Project: 37474
Buggy source:
public static void main(String[] args) throws IOException {
  if (System.getProperty("String_Node_Str") == null) {
    System.setProperty("String_Node_Str",System.getProperty("String_Node_Str"));
  }
  Log4jInitializer.configureAndWatch(System.getProperty("String_Node_Str"),"String_Node_Str",30000L);
  try {
    final Logger LOGGER=LoggerFactory.getLogger("String_Node_Str");
    RedisEngineCtx.INSTANCE().init();
    heartbeatScheduler.scheduleAtFixedRate(new Runnable(){
      @Override public void run(){
        TimeUtil.update();
      }
    }
,0,2L,TimeUnit.MILLISECONDS);
    scheduler.scheduleAtFixedRate(new Runnable(){
      @Override public void run(){
        NetSystem.getInstance().getTimerExecutor().execute(new Runnable(){
          @Override public void run(){
            NetSystem.getInstance().checkConnections();
          }
        }
);
      }
    }
,0L,1 * 1000L,TimeUnit.MILLISECONDS);
    heartbeatScheduler.scheduleAtFixedRate(new Runnable(){
      @Override public void run(){
        NetSystem.getInstance().getTimerExecutor().execute(new Runnable(){
          @Override public void run(){
            Map<Integer,AbstractPool> pools=RedisEngineCtx.INSTANCE().getPoolMap();
            for (            AbstractPool pool : pools.values()) {
              try {
                pool.availableCheck();
              }
 catch (              Throwable e) {
                LOGGER.error("String_Node_Str" + pool.getId(),e);
              }
            }
          }
        }
);
      }
    }
,10L,10L,TimeUnit.SECONDS);
    heartbeatScheduler.scheduleAtFixedRate(new Runnable(){
      static final long TIMEOUT=2 * 60 * 1000L;
      @Override public void run(){
        NetSystem.getInstance().getTimerExecutor().execute(new Runnable(){
          @Override public void run(){
            Map<Integer,AbstractPool> pools=RedisEngineCtx.INSTANCE().getPoolMap();
            for (            AbstractPool pool : pools.values()) {
              pool.heartbeatCheck(TIMEOUT);
            }
          }
        }
);
      }
    }
,30L,30L,TimeUnit.SECONDS);
    StringBuffer strBuffer=new StringBuffer();
    strBuffer.append("String_Node_Str").append("String_Node_Str");
    strBuffer.append("String_Node_Str").append("String_Node_Str");
    strBuffer.append("String_Node_Str").append(System.getProperty("String_Node_Str")).append("String_Node_Str");
    strBuffer.append("String_Node_Str").append(System.currentTimeMillis()).append("String_Node_Str");
    System.out.println(strBuffer.toString());
  }
 catch (  Throwable e) {
    System.exit(0);
  }
}

Fixed version (ground truth):
public static void main(String[] args) throws IOException {
  if (System.getProperty("String_Node_Str") == null) {
    System.setProperty("String_Node_Str",System.getProperty("String_Node_Str"));
  }
  Log4jInitializer.configureAndWatch(System.getProperty("String_Node_Str"),"String_Node_Str",30000L);
  try {
    final Logger LOGGER=LoggerFactory.getLogger("String_Node_Str");
    RedisEngineCtx.INSTANCE().init();
    heartbeatScheduler.scheduleAtFixedRate(new Runnable(){
      @Override public void run(){
        TimeUtil.update();
      }
    }
,0,2L,TimeUnit.MILLISECONDS);
    scheduler.scheduleAtFixedRate(new Runnable(){
      @Override public void run(){
        NetSystem.getInstance().getTimerExecutor().execute(new Runnable(){
          @Override public void run(){
            NetSystem.getInstance().checkConnections();
          }
        }
);
      }
    }
,0L,1 * 1000L,TimeUnit.MILLISECONDS);
    heartbeatScheduler.scheduleAtFixedRate(new Runnable(){
      @Override public void run(){
        NetSystem.getInstance().getTimerExecutor().execute(new Runnable(){
          @Override public void run(){
            Map<Integer,AbstractPool> pools=RedisEngineCtx.INSTANCE().getPoolMap();
            for (            AbstractPool pool : pools.values()) {
              try {
                pool.availableCheck();
              }
 catch (              Throwable e) {
                LOGGER.error("String_Node_Str" + pool.getId(),e);
              }
            }
          }
        }
);
      }
    }
,10L,10L,TimeUnit.SECONDS);
    heartbeatScheduler.scheduleAtFixedRate(new Runnable(){
      static final long TIMEOUT=2 * 60 * 1000L;
      @Override public void run(){
        NetSystem.getInstance().getTimerExecutor().execute(new Runnable(){
          @Override public void run(){
            Map<Integer,AbstractPool> pools=RedisEngineCtx.INSTANCE().getPoolMap();
            for (            AbstractPool pool : pools.values()) {
              pool.heartbeatCheck(TIMEOUT);
            }
          }
        }
);
      }
    }
,30L,30L,TimeUnit.SECONDS);
    StringBuffer strBuffer=new StringBuffer();
    strBuffer.append("String_Node_Str").append("String_Node_Str");
    strBuffer.append("String_Node_Str").append("String_Node_Str");
    strBuffer.append("String_Node_Str").append(System.getProperty("String_Node_Str")).append("String_Node_Str");
    strBuffer.append("String_Node_Str").append(System.currentTimeMillis()).append("String_Node_Str");
    System.out.println(strBuffer.toString());
  }
 catch (  Throwable e) {
    e.printStackTrace();
    System.exit(0);
  }
}