LogCat error

I get the following output in LogCat when running a project in Eclipse for Android.

05-07 23:28:15.414: E/Trace(845): error opening trace file: No such file or directory (2)
05-07 23:28:15.654: D/AndroidRuntime(845): Shutting down VM
05-07 23:28:15.654: W/dalvikvm(845): threadid=1: thread exiting with uncaught exception (group=0x40a71930)
05-07 23:28:15.695: E/AndroidRuntime(845): FATAL EXCEPTION: main
05-07 23:28:15.695: E/AndroidRuntime(845): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.sedirox.pleasework/com.sedirox.pleasework.PleaseWork}: java.lang.ClassNotFoundException: Didn’t find class “com.sedirox.pleasework.PleaseWork” on path: /data/app/com.sedirox.pleasework-2.apk
05-07 23:28:15.695: E/AndroidRuntime(845): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2106)
05-07 23:28:15.695: E/AndroidRuntime(845): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230)
05-07 23:28:15.695: E/AndroidRuntime(845): at android.app.ActivityThread.access$600(ActivityThread.java:141)
05-07 23:28:15.695: E/AndroidRuntime(845): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234)
05-07 23:28:15.695: E/AndroidRuntime(845): at android.os.Handler.dispatchMessage(Handler.java:99)
05-07 23:28:15.695: E/AndroidRuntime(845): at android.os.Looper.loop(Looper.java:137)
05-07 23:28:15.695: E/AndroidRuntime(845): at android.app.ActivityThread.main(ActivityThread.java:5041)
05-07 23:28:15.695: E/AndroidRuntime(845): at java.lang.reflect.Method.invokeNative(Native Method)
05-07 23:28:15.695: E/AndroidRuntime(845): at java.lang.reflect.Method.invoke(Method.java:511)
05-07 23:28:15.695: E/AndroidRuntime(845): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
05-07 23:28:15.695: E/AndroidRuntime(845): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
05-07 23:28:15.695: E/AndroidRuntime(845): at dalvik.system.NativeStart.main(Native Method)
05-07 23:28:15.695: E/AndroidRuntime(845): Caused by: java.lang.ClassNotFoundException: Didn’t find class “com.sedirox.pleasework.PleaseWork” on path: /data/app/com.sedirox.pleasework-2.apk
05-07 23:28:15.695: E/AndroidRuntime(845): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:65)
05-07 23:28:15.695: E/AndroidRuntime(845): at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
05-07 23:28:15.695: E/AndroidRuntime(845): at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
05-07 23:28:15.695: E/AndroidRuntime(845): at android.app.Instrumentation.newActivity(Instrumentation.java:1054)
05-07 23:28:15.695: E/AndroidRuntime(845): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2097)
05-07 23:28:15.695: E/AndroidRuntime(845): … 11 more
05-07 23:28:35.764: I/Process(845): Sending signal. PID: 845 SIG: 9

Any help will be appreciated.

I also encountered this problem, check Your project’s “project.properties” file and see whether the following lines exist (modify the path if not right)

...
android.library.reference.1=../../../../cocos2dx/platform/android/java
android.library=false