internal exception java lang nullpointerexception

Learn about internal exception java lang nullpointerexception, we have the largest and most updated internal exception java lang nullpointerexception information on alibabacloud.com

Exception in thread "main" java. Lang. noclassdeffounderror: COM/Sun/mail/util/lineinputst

This is a common exception when using the javamail function. The reason is that the jar package version is inconsistent. The solution is as follows:Delete the packages in Java ee 5 libraries/javaee. Jar/mail.The specific method is as follows:Use RAR to open X:/program files/myeclipse 6.0/myeclipse/Eclipse/plugins/COM. genuitec. Eclipse. j2eedt. core_6.0.1.zmyeclipse601_710/data/libraryset/ee_5/javaee. JarA

Exception in thread "main" java. Lang. noclassdeffounderror: COM/Sun/mail/util/lineinputst

This is a common exception when using the javamail function. The reason is that the jar package version is inconsistent. The solution is as follows:Delete the packages in Java ee 5 libraries/javaee. Jar/mail.The specific method is as follows:Use RAR to open X:/program files/myeclipse 6.0/myeclipse/Eclipse/plugins/COM. genuitec. Eclipse. j2eedt. core_6.0.1.zmyeclipse601_710/data/libraryset/ee_5/javaee. JarAn

Total Pages: 4 1 2 3 4 Go to: Go

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.