JDK 16 RFR of 8250580: Address reliance on default constructors in java.rmi

[Stuart Marks]

Looks good Joe, thanks for doing this cleanup. CSR request reviewed.

s'marks

On 7/24/20 7:45 PM, Joe Darcy wrote:
> Hello,
> 
> Another bug in the quest to remove use of default constructors in the JDK's 
> public API, this time in the java.rmi module:
> 
>      webrev: http://cr.openjdk.java.nhet/~darcy/8250580.0/
>      CSR: https://bugs.openjdk.java.net/browse/JDK-8250581
> 
> Patch below; thanks,
> 
> -Joe
> 
> --- old/src/java.rmi/share/classes/java/rmi/server/RMIClassLoaderSpi.java 
> 2020-07-24 19:42:16.353847343 -0700
> +++ new/src/java.rmi/share/classes/java/rmi/server/RMIClassLoaderSpi.java 
> 2020-07-24 19:42:15.645847343 -0700
> @@ -1,5 +1,5 @@
>   /*
> - * Copyright (c) 2000, 2006, Oracle and/or its affiliates. All rights reserved.
> + * Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.
>    * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
>    *
>    * This code is free software; you can redistribute it and/or modify it
> @@ -62,6 +62,11 @@
>   public abstract class RMIClassLoaderSpi {
> 
>       /**
> +     * Constructor for subclasses to call.
> +     */
> +    public RMIClassLoaderSpi() {}
> +
> +    /**
>        * Provides the implementation for
>        * {@link RMIClassLoader#loadClass(URL,String)},
>        * {@link RMIClassLoader#loadClass(String,String)}, and
>