I just use commons-codec-1.5.jar from commons-codec-1.3.jar in my project. But when I compile the project, the compiler is complaining like it doesn’t know the new features of 1.5 jar.
I cleaned my project.
I remove the old jar from build path.
and add new jar.
and also included new jar in build.xml. still complaining.
Check if you still have an old copy in your WEB-INF/lib folder.