There’s another solution that also works.
- Go to the Build Path settings in the project properties.
- Remove the JRE System Library
- Add it back; Select “Add Library” and select the JRE System Library. The default worked for me.
This works because you have multiple classes in different jar files. Removing and re-adding the JRE lib will make the right classes be first.
If you want a fundamental solution make sure you exclude the jar files with the same classes.
For me I have:
javax.xml.soap.SOAPPart in three different jars:
saaj-api-1.3.jar and the