Pentaho DI6.1,在邮件消息输入步骤中使用mBox时出错

Pentaho DI6.1, Error using mBox in Email Message Input Step

这次我需要这个软件的帮助。我正在尝试创建一个转换,获取 mbox,return 电子邮件的某些部分。但!当我使用step Email Message Input预览功能时,Pentahoreturn我这个

2016/09/09 14:52:53 - cfgbuilder - Warning: The configuration parameter [org] is not supported by the default configuration builder for scheme: sftp
2016/09/09 14:54:58 - DBCache - Loading database cache from file: [C:\Users\fangonzalez.kettle\db.cache-6.1.0.1-196]
2016/09/09 14:54:58 - DBCache - We read 0 cached rows from the database cache!
2016/09/09 14:54:59 - Spoon - Trying to open the last file used.
2016/09/09 15:03:37 - C:\Users\fangonzalez\Desktop\Pentaho\trans.ktr : trans - Dispatching started for transformation [C:\Users\fangonzalez\Desktop\Pentaho\trans.ktr : trans]
2016/09/09 15:03:37 - Email messages input.0 - ERROR (version 6.1.0.1-196, build 1 from
2016-04-07 12.08.49 by buildguy) : Error opening folder 1 : java.lang.NullPointerException 2016/09/09 15:03:37 - Email messages input.0 - ERROR (version 6.1.0.1-196, build 1 from
2016-04-07 12.08.49 by buildguy) : java.lang.NullPointerException
2016/09/09 15:03:37 - Email messages input.0 - at org.pentaho.di.trans.steps.mailinput.MailInput.openNextFolder(MailInput.java:347)
2016/09/09 15:03:37 - Email messages input.0 - at org.pentaho.di.trans.steps.mailinput.MailInput.getOneRow(MailInput.java:214)
2016/09/09 15:03:37 - Email messages input.0 - at org.pentaho.di.trans.steps.mailinput.MailInput.processRow(MailInput.java:75)
2016/09/09 15:03:37 - Email messages input.0 - at org.pentaho.di.trans.step.RunThread.run(RunThread.java:62)
2016/09/09 15:03:37 - Email messages input.0 - at java.lang.Thread.run(Unknown Source)
2016/09/09 15:03:37 - Email messages input.0 - Finished processing (I=0, O=0, R=0, W=0, U=0, E=1)
2016/09/09 15:03:37 - C:\Users\fangonzalez\Desktop\Pentaho\trans.ktr : trans - Transformation detected one or more steps with errors.
2016/09/09 15:03:37 - C:\Users\fangonzalez\Desktop\Pentaho\trans.ktr : trans - Transformation is killing the other steps!

There is the pic of the step config screen

如果您只使用一个 mbox,则无法启用选项 "Fetch in batches"。