所以我们每天都会收到一个名为 a 的文件，pentaho 获取该文件并删除分隔符并将数据加载到 sql 表中，该进程在成功运行后没有进行任何更改，但现在我们收到了这个奇怪的错误消息，我们是无法弄清楚是什么问题。
2015/08/11 13:10:06 - read a file.0 - ERROR (version 4.3.0-stable, build 16786 from 2012-04-24 14.11.32 by buildguy) : Unexpected error
2015/08/11 13:10:06 - Table output.0 - Prepared statement : INSERT INTO dbo.M_FILE (FILE_NAME) VALUES ( ?)
2015/08/11 13:10:06 - read a file.0 - ERROR (version 4.3.0-stable, build 16786 from 2012-04-24 14.11.32 by buildguy) : java.lang.NullPointerException
2015/08/11 13:10:06 - read a file.0 - ERROR (version 4.3.0-stable, build 16786 from 2012-04-24 14.11.32 by buildguy) : at org.pentaho.di.trans.step.BaseStep.getRowFrom(BaseStep.java:1798)
2015/08/11 13:10:06 - read a file.0 - ERROR (version 4.3.0-stable, build 16786 from 2012-04-24 14.11.32 by buildguy) : at org.pentaho.di.trans.steps.textfileinput.TextFileInput.processRow(TextFileInput.java:882)
2015/08/11 13:10:06 - read a file.0 - ERROR (version 4.3.0-stable, build 16786 from 2012-04-24 14.11.32 by buildguy) : at org.pentaho.di.trans.step.RunThread.run(RunThread.java:50)
2015/08/11 13:10:06 - read a file.0 - ERROR (version 4.3.0-stable, build 16786 from 2012-04-24 14.11.32 by buildguy) : at java.lang.Thread.run(Unknown Source)