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Общая практика
Exception in thread "main" java.lang.ClassCastException: java.lang.Integer cannot be cast to java.util.Set at com.sun.proxy.$Proxy0.entrySet(Unknown Source) at sun.reflect.annotation.AnnotationInvocationHandler.readObject(AnnotationInvocationHandler.java:443) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1893) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370) at ru.krista.exploid.Exploid1.deserialize(Exploid1.java:113) at ru.krista.exploid.Exploid1.send(Exploid1.java:75) at ru.krista.exploid.Exploid1.main(Exploid1.java:30)
echo test > /tmp/hacked.txt
touch /tmp/hacked
Критическая уязвимость в ряде Java Application Server