Summary

Replace a default constructor in java.rmi.server.RMIClassLoaderSpi with an equivalent explicit constructor.

Problem

The class java.rmi.server.RMIClassLoaderSpi relies on a default constructor.

Solution

Add an explicit public no-arg constructor.

Specification

--- a/src/java.rmi/share/classes/java/rmi/server/RMIClassLoaderSpi.java	Fri Jul 24 13:49:38 2020 -0700
+++ b/src/java.rmi/share/classes/java/rmi/server/RMIClassLoaderSpi.java	Fri Jul 24 19:39:48 2020 -0700
@@ -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