android - Unable to start phonegap application in eclipse -

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i have import several open source phonegap application in eclipse , can compiled , installed on devices. issue is, when start these applications, android throw dialog saying "unfortunately, (app name) has stopped". after observing log files, found apps, logcat print same message during crash. copy these message here:

08-09 14:48:07.906: w/dalvikvm(1984): unable resolve superclass of lorg/ztepc/rss/rssreaderactivity; (43) 08-09 14:48:07.906: w/dalvikvm(1984): link of class 'lorg/ztepc/rss/rssreaderactivity;' failed 08-09 14:48:07.906: d/androidruntime(1984): shutting down vm 08-09 14:48:07.906: w/dalvikvm(1984): threadid=1: thread exiting uncaught exception (group=0x42077438) 08-09 14:48:07.906: e/androidruntime(1984): fatal exception: main 08-09 14:48:07.906: e/androidruntime(1984): java.lang.runtimeexception: unable instantiate activity componentinfo{org.ztepc.rss/org.ztepc.rss.rssreaderactivity}: java.lang.classnotfoundexception: org.ztepc.rss.rssreaderactivity 08-09 14:48:07.906: e/androidruntime(1984):     @ android.app.activitythread.performlaunchactivity(activitythread.java:2012) 08-09 14:48:07.906: e/androidruntime(1984):     @ android.app.activitythread.handlelaunchactivity(activitythread.java:2113) 08-09 14:48:07.906: e/androidruntime(1984):     @ android.app.activitythread.access$700(activitythread.java:139) 08-09 14:48:07.906: e/androidruntime(1984):     @ android.app.activitythread$h.handlemessage(activitythread.java:1224) ...more

it seems the superclass of main activity droidgap cannot resolved. check properties of project, codorva-..*.jar in java build path, has been checked in "order , export" tab.

any suggestion welcomed. thanks!


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