JavaUtils:1308 - Unable to find required classes (javax.activation.DataHandler and javax.ma il.

javaUtils:1308 - Unable to find required classes (javax.activation.DataHandler and javax.ma
il.internet.MimeMultipart). Attachment support is disabled.

警告: Unable to find required classes (javax.activation.DataHandler and javax.ma
il.internet.MimeMultipart). Attachment support is disabled.
Exception in thread "Thread-5" java.lang.NoClassDefFoundError: javax/wsdl/Operat
ionType……

………

在网上找了下，有人也碰到这样的问题，其中有人建议将“activation.jar”和“mail.jar”包也拷贝到lib下，我照做后，发现居然行了.mark一下。