org.apache.sling.javax.activation duplicates classes from javax.activation · Issue #1332 · rest-assured/rest-assured · GitHub
NoClassDefFoundError: javax/mail/Transportwhile exception sending email using javax.mail (Java in General forum at Coderanch)
![java - How to correctly configure Apache tomcat 9 within eclipse because I have the necessary jar files (mail.jar and activation.jar) - Stack Overflow java - How to correctly configure Apache tomcat 9 within eclipse because I have the necessary jar files (mail.jar and activation.jar) - Stack Overflow](https://i.stack.imgur.com/WpNkE.png)
java - How to correctly configure Apache tomcat 9 within eclipse because I have the necessary jar files (mail.jar and activation.jar) - Stack Overflow
Got Duplicate class javax.activation.ActivationDataFlavor found error · Issue #651 · mock-server/mockserver · GitHub
![Sending Mail in Android throwing java.lang.NoClassDefFoundError: javax. activation.DataHandler - Stack Overflow Sending Mail in Android throwing java.lang.NoClassDefFoundError: javax. activation.DataHandler - Stack Overflow](https://i.stack.imgur.com/9Np1Z.png)
Sending Mail in Android throwing java.lang.NoClassDefFoundError: javax. activation.DataHandler - Stack Overflow
![java - How to correctly configure Apache tomcat 9 within eclipse because I have the necessary jar files (mail.jar and activation.jar) - Stack Overflow java - How to correctly configure Apache tomcat 9 within eclipse because I have the necessary jar files (mail.jar and activation.jar) - Stack Overflow](https://i.stack.imgur.com/zbMGt.png)
java - How to correctly configure Apache tomcat 9 within eclipse because I have the necessary jar files (mail.jar and activation.jar) - Stack Overflow
![Enhancement: Clarify dependency on Jakarta Activation: DataSources no longer work on Java 9+ · Issue #225 · bbottema/simple-java-mail · GitHub Enhancement: Clarify dependency on Jakarta Activation: DataSources no longer work on Java 9+ · Issue #225 · bbottema/simple-java-mail · GitHub](https://user-images.githubusercontent.com/2115718/65775691-f53bbc00-e140-11e9-9160-8b670407eba0.png)