I moved to the master branch of Wonder and upgraded to Java 1.8. When I try my app, they stop at startup with this error with a very helpful error message:
janv. 06 18:41:46 ENTChronos[2325] WARN NSLog - A fatal exception occurred: java.lang.NoClassDefFoundError: com/webobjects/jdbcadaptor/FrontbasePlugIn (wrong name: com/webobjects/jdbcadaptor/FrontBasePlugIn)
[2016-1-6 18:41:46 EST] <main> com.webobjects.foundation.NSForwardException [java.lang.NoClassDefFoundError] com/webobjects/jdbcadaptor/FrontbasePlugIn (wrong name: com/webobjects/jdbcadaptor/FrontBasePlugIn):java.lang.NoClassDefFoundError: com/webobjects/jdbcadaptor/FrontbasePlugIn (wrong name: com/webobjects/jdbcadaptor/FrontBasePlugIn)
at com.webobjects.foundation.NSForwardException._runtimeExceptionForThrowable(NSForwardException.java:43)
at com.webobjects.foundation.NSSelector._safeInvokeMethod(NSSelector.java:124)
at com.webobjects.foundation._NSDelegate._perform(_NSDelegate.java:223)
at com.webobjects.foundation._NSDelegate.perform(_NSDelegate.java:155)
at com.webobjects.eoaccess.EOModelGroup.defaultGroup(EOModelGroup.java:328)
at er.extensions.migration.ERXMigrator.migrateToLatest(ERXMigrator.java:169)
at er.extensions.appserver.ERXApplication.finishInitialization(ERXApplication.java:1315)