Liveconnect call for Applet ID 1 is not allowed in this JVM instance

Depending on how far you already went to update your applets  to JRE 7, Build 25+ you will discover problems accessing your applet’s methods via JavaScript, depending on your Java Security Settings:

If a signed applet can be accessed via JavaScript if you set Java’s Security Level to “Medium”, but not if you set it to “High”, but receive an error like:

Liveconnect call for Applet ID 1 is not allowed in this JVM instance+ Continue reading “Liveconnect call for Applet ID 1 is not allowed in this JVM instance”