Dears,
I try to use ejb3 with eXo portal. When I run the server, I faced with a method not found error related to org.apache.commons.lang.StringUtil, I checked the tmp\deploy and found that ejb3.deploy is using version 1.0. I replaced the new one (version 2.0) and now, every thing is ok.
If I am right (I am not sure), please upgrade commons-lan.jar.
Cheers,
Masoud