在搭建flume集群收集日志写入hdfs时发生了下面的错误: java.lang.NullPointerException: Expected timestamp in the Flume event headers, but it was null at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:204) at org.apache.flume.formatter.o
public partial class Form1 : Form{private SqlConnection mCnn = null;private long TimeStampValue; public Form1(){InitializeComponent();mCnn = new SqlConnection();mCnn.ConnectionString = "Data Source=192.168.18.205;Database=" +"Test;Uid=sa;P