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Web project, send mail with spring package, report java.lang.noclassdeffounderror:com/sun/activation/registries/logsupport error __web

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Author: User
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Noclassdeffounderror:com/sun/activation/registries/logsupport

This problem is due to the inconsistency between Java EE 5 and the javamail version of the spring package we downloaded.

Workaround:

The first problem is to remove the Java EE 5 libraries/javaee.jar/mail.

The second problem is removing Java EE 5 libraries/javaee.jar/activation. And then download the latest Activation.jar online.

How to delete:

Open D:/myeclipse 7.0/genuitec/common/plugins/com.genuitec.eclipse.j2eedt.core_7.0.0.zmyeclipse70020081206/with rar Data/libraryset/ee_5/javaee.jar, open with a compressed package and locate the folder you want to delete.

Easy way: In Web Engineering, Java EE 5 lib is removed from the BuildPath.

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Related Keywords:
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