测试seam上传下载出现问题

 严重: Error Rendering View[/attachmentList.xhtml]
org.jboss.seam.InstantiationException: Could not instantiate Seam component: attachmentList

...

Caused by: java.lang.IllegalStateException: entityManager is null
 at org.jboss.seam.framework.EntityQuery.validate(EntityQuery.java:39)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

posted @ 2009-02-03 16:45  cuibq  阅读(113)  评论(0)    收藏  举报