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我使用NetBeans創建了一個項目。我做了一個checkForUpdates類。如果有,則執行updgrade,否則啓動主項目類。啓動問題()SingleFrameApplication警告:getApplicationResourceMap():no應用程序類
問題是當我創建MyClassApp的對象,我用myClass.startup()啓動我得到了那些錯誤....我認爲這是我的更新類,所以我嘗試了一個正常的主沒有任何東西只是創建MyClassApp和啓動啓動()但它獲得相同的錯誤。
我該如何解決?
26-set-2011 12.34.32 org.jdesktop.application.ResourceManager getApplicationResourceMap
WARNING: getApplicationResourceMap(): no Application class
26-set-2011 12.34.36 org.jdesktop.application.SingleFrameApplication initRootPaneContainer
WARNING: couldn't restore sesssion [mainFrame.session.xml]
java.lang.NullPointerException
at org.jdesktop.application.LocalStorage.getApplicationId(LocalStorage.java:195)
at org.jdesktop.application.LocalStorage.getDirectory(LocalStorage.java:234)
at org.jdesktop.application.LocalStorage$LocalFileIO.openInputFile(LocalStorage.java:330)
at org.jdesktop.application.LocalStorage.openInputFile(LocalStorage.java:76)
at org.jdesktop.application.LocalStorage.load(LocalStorage.java:138)
at org.jdesktop.application.SessionStorage.restore(SessionStorage.java:382)
at org.jdesktop.application.SingleFrameApplication.initRootPaneContainer(SingleFrameApplication.java:231)
at org.jdesktop.application.SingleFrameApplication.show(SingleFrameApplication.java:463)