kettel的stream lookup报错

kettel的stream lookup报错：

you can't use the 'integer-pair' algorithm when you have more than one key or value-field or value in not an integer.

去外国网站看了

wiki基本没用

http://wiki.pentaho.com/display/EAI/Stream+Lookup

some forums给了我答案

http://forums.pentaho.com/showthread.php?95301-Stream-Lookup-Error-you-can-t-use-the-integer-pair-algorithm-when-you

http://forums.pentaho.com/showthread.php?68058-Stream-Lookup-What-does-quot-Key-and-Value-are-exactly-one-Integer-field-quot-do

双击节点，设置的下面：Key and value are exactly one integer field选项勾掉

原因。。。。。。你猜啊！