output: #fixed code
                                public void getHTable(String table) throws IOException {
      final TableName tName = TableName.valueOf(table);
      this.currentTable = connection.getTable(tName);
      if (clientSideBuffering) {
        final BufferedMutatorParams p = new BufferedMutatorParams(tName);
        p.writeBufferSize(writeBufferSize);
        this.bufferedMutator = connection.getBufferedMutator(p);
      }
    }
input: #vulnerable code 
                                public void getHTable(String table) throws IOException {
      final TableName tName = TableName.valueOf(table);
      synchronized (CONNECTION_LOCK) {
        this.currentTable = connection.getTable(tName);
        if (clientSideBuffering) {
          final BufferedMutatorParams p = new BufferedMutatorParams(tName);
          p.writeBufferSize(writeBufferSize);
          this.bufferedMutator = connection.getBufferedMutator(p);
        }
      }
    } 
                              #location 5 
                              #vulnerability type THREAD_SAFETY_VIOLATION