We're deprecating support for Java 1.5, so can you try using 1.6? http://code.google.com/p/googleappengine/wiki/SdkForJavaReleaseNotes
You should be seeing these warnings per the release notes: - Support in the SDK for Java 1.5 is being deprecated. These warnings now appear when starting the SDK On Thu, Jun 17, 2010 at 2:09 PM, Mark <[email protected]> wrote: > Hi, > > I'm using the 1.3.4 version of app engine. I noticed that now we have: > > com.google.appengine.repackaged.org.json.* > > available. I can use the json classes and compilation is fine, but at > runtime loading of the json classes fails, I think: > > java.lang.UnsupportedClassVersionError: Bad version number > in .class file > > not sure what's causing this, is it possible that the repackaged > classes were compiled using a different jdk version than what I'm > using? I'm using java compatibility = 1.5. I can just include the json > files from json.org myself, but would be more convenient to use the > ones already provided, > > Thanks > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine for Java" group. > To post to this group, send email to > [email protected]. > To unsubscribe from this group, send email to > [email protected]<google-appengine-java%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/google-appengine-java?hl=en. > > -- Ikai Lan Developer Programs Engineer, Google App Engine Blog: http://googleappengine.blogspot.com Twitter: http://twitter.com/app_engine Reddit: http://www.reddit.com/r/appengine -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
