https://bugs.java.com/view_bug.do?bug_id=8135232

Oracle's Resolution: Won't Fix

workaround: create custom security manager (implement nothing to allow everything)

java8error

shows how to cause 3 exceptions:

1)
java.lang.NullPointerException
	at sun.awt.SunToolkit.getSystemEventQueueImplPP(Unknown Source)
	at sun.awt.SunToolkit.getSystemEventQueueImplPP(Unknown Source)
	at sun.awt.SunToolkit.getSystemEventQueueImpl(Unknown Source)
	at java.awt.Toolkit.getEventQueue(Unknown Source)
	at java.awt.EventQueue.invokeLater(Unknown Source)
	at javax.swing.SwingUtilities.invokeLater(Unknown Source)
	...
2)
java.lang.NullPointerException
	at javax.swing.SwingUtilities.appContextGet(Unknown Source)
	at javax.swing.JComponent.getDefaultLocale(Unknown Source)
	at javax.swing.JComponent.(Unknown Source)
	at javax.swing.JPanel.(Unknown Source)
	at javax.swing.JPanel.(Unknown Source)
	at javax.swing.JPanel.(Unknown Source)
	...
3)
java.lang.NullPointerException
	at com.sun.jnlp.JNLPClassLoader.getPermissions(Unknown Source)
	at java.security.SecureClassLoader.getProtectionDomain(Unknown Source)
	at java.security.SecureClassLoader.defineClass(Unknown Source)
	at java.net.URLClassLoader.defineClass(Unknown Source)
	at java.net.URLClassLoader.access$100(Unknown Source)
	at java.net.URLClassLoader$1.run(Unknown Source)
	at java.net.URLClassLoader$1.run(Unknown Source)
	...

how to build and run

run create_keystore.bat to generate a keystore for signing. answer all questions with: y

run: mvn clean verify

run: target\staging\server\bin\run_webserver.bat

go with webbrowser to: http://127.0.0.1:80/

activate java console

start Rmi Applications in the order they are listed on the website ( jnlp/index.html )