问题描述
当我尝试在Web应用程序中使用java邮件api发送邮件时，出现此异常.
when im trying to send a mail using java mail api in my web application , I'm getting this exception.
java.lang.SecurityException:无法访问默认会话
java.lang.SecurityException: Access to default session denied
输入来自html页面.然后转到一个servlet，该servlet最终调用一个Java类，在其中编写邮件逻辑
the inputs are fron an html page. then it goes to a servlet which eventually calls a java class where the mail logic is written
推荐答案
此错误文本与对Session.getDefaultInstance(props, authenticator)的调用相关联，其中默认实例已设置了不同的身份验证器.
This error text is associated with a call to Session.getDefaultInstance(props, authenticator) where the default instance already has a different authenticator set.
如果您在代码中调用Session.getInstance(props, authenticator)而不是Session.getDefaultInstance(props, authenticator)，效果会更好.
It should work better if you call Session.getInstance(props, authenticator) instead of Session.getDefaultInstance(props, authenticator) in your code.
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