output: #fixed code
                                  public void initDbConnectServer() throws Exception{
          dbRpcConnnectManngeer.initManager();
          dbRpcConnnectManngeer.initServers(rpcConfig.getSdDbServers());
      }
input: #vulnerable code 
                                  public void initDbConnectServer() throws Exception{
          dbRpcConnnectManngeer.initManager();
          dbRpcConnnectManngeer.initServers(sdDbServers);
      } 
                              #location 2 
                              #vulnerability type THREAD_SAFETY_VIOLATION