SSH terminal at Websites & Domains > SSH/Shell Access is showing bank screen or shows one of the following notifications:
A Plugin is needed to display the content.
SSH terminal Java applet is incompatible with latest updates of Java runtime. It is not recommended for installation in Plesk 12.x and it is removed from Plesk Onyx. This is an internal issue with ID #PPPM-1039 , which is planned to be fixed in future product updates.
Downgrade Java to Java7u40, or:
For Windows-client (works only for Java versions less than Java7u51:
Windows Control Panel > Java > Temporary Internet Files > Settingsand switch off
Keep temporary files on my computer.
Restart the web browser.
Note : This workaround may not work on all Plesk/Java versions.