I copied a project from one folder to another in the file System. Then I opened it through eclipse and tried to run the programs. I got the following error message when the program starts by creating an object:
java.lang.SecurityException: class "javax.mail.Message"'s signer information does not match signer information of other classes in the same package.
I have a mail.jar on the project's buildpath and at the end of the program an email will be sent. But the exception is thrown at a line that is still far from sending emails.
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Are you developing a Java application and want to create Excel Spreadsheets? You have come to the right place, this article will describe how you can create Excel Spreadsheets from a Java Application.
For the purposes of this article, I will be u…
Go is an acronym of golang, is a programming language developed Google in 2007. Go is a new language that is mostly in the C family, with significant input from Pascal/Modula/Oberon family. Hence Go arisen as low-level language with fast compilation…