App Engine覚書

Localhostで接続したときのDataScoreViewなど。
http://localhost:8888/_ah/admin

忘れっぽいエンジニアのJakarta Strutsリファレンス
http://struts.wasureppoi.com/

The class "com.appspot.****.className" is not persistable. This means that it either hasnt been enhanced, or that the enhanced version of the file is not in the CLASSPATH (or is hidden by an unenhanced version), or the Meta-Data/annotations for the class are not found.
org.datanucleus.exceptions.ClassNotPersistableException: The class "com.appspot.****.className" is not persistable. This means that it either hasnt been enhanced, or that the enhanced version of the file is not in the CLASSPATH (or is hidden by an unenhanced version), or the Meta-Data/annotations for the class are not found.

ってな謎のエラーが発生してJSPをうまく処理できないとき。
http://d.hatena.ne.jp/y_koh/20090531/1243766131

とりあえず、datanucleus-appengine-1.0.4.1.final.jarをビルドパスからはずせばいいみたい。