javax.mail.MessagingExcep tion：無法向SMTP主機發送命令;嵌套的異常是：javax.net.ssl.SSLKeyException：RSA premaster祕密錯誤

Question

在jdk1.4中我可以發送郵件，但是當我嘗試使用jdk1.6發送郵件時，出現以下異常。

 
My Working Environment. 
======================== 
1.OS  : windwos 2008 
2.JAVA  : JDK1.6 
3.Mail Api : java mail1.4 
4.Email : gmail 
5.smtp port: 465 or 587 

 
Exception in thread "main" java.lang.RuntimeException: javax.mail.MessagingExcep 
tion: Can't send command to SMTP host; 
nested exception is: 
    javax.net.ssl.SSLKeyException: RSA premaster secret error 
    at SendMailTLS.main(SendMailTLS.java:47) 
Caused by: javax.mail.MessagingException: Can't send command to SMTP host; 
nested exception is: 
    javax.net.ssl.SSLKeyException: RSA premaster secret error 
    at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTransport.java:1365) 
    at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTransport.java:1353) 
    at com.sun.mail.smtp.SMTPTransport.ehlo(SMTPTransport.java:794) 
    at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:33 
6) 
    at javax.mail.Service.connect(Service.java:258) 
    at javax.mail.Service.connect(Service.java:137) 
    at javax.mail.Service.connect(Service.java:86) 
    at javax.mail.Transport.send0(Transport.java:150) 
    at javax.mail.Transport.send(Transport.java:80) 
    at SendMailTLS.main(SendMailTLS.java:42) 

Answer 1

是否使用JDK的拉泰什版本？ 你能提供哪些源代碼無法正常工作嗎？ 請，顯示從郵件代碼的輸出：

• 的System.out.println（ 「Java版本：」 + System.getProperty（ 「java.version」））; System.out.println（「Ext dirs：」+ System.getProperty（「java.ext.dirs」））;