On Fri, 28 Jan 2022 21:02:23 GMT, Roger Riggs <rri...@openjdk.org> wrote:

> During deserialization of a serialized data stream that contains a proxy 
> descriptor with non-public interfaces
> `java.io.ObjectInputStream` checks that the interfaces can be loaded from a 
> single classloader in `ObjectInputStream.resolveProxyClass`.
> If the interfaces cannot be loaded from a single classloader, an 
> `IllegalAccessError` is thrown.
> When `ObjectInputStream.readObject` encounters this case, it reflects an 
> incompatibility
> between the classloaders of the source of the serialized stream and the 
> classloader being used for deserialization.
> When a proxy object cannot be created from the interfaces, 
> `ObjectInputStream.readObject` should catch
> the `InvalidAccessError` and throw `InvalidObjectException` with the 
> `InvalidAccessError` as the cause.
> This allows the application to handle the exception consistently with other 
> errors during deserialization.

`ObjectInputStream::readObject` does not specify that `InvalidObjectException` 
may be thrown.   Have you considered throwing `InvalidClassException` be an 
alternative?    i.e. extend `InvalidClassException` to report failure in 
creating the proxy class during deserialization.

-------------

PR: https://git.openjdk.java.net/jdk/pull/7274

Reply via email to