Is it possible to run an applet based on the pot in 7u51?

We have an applet that is managed using HTML like this:

"< APPLET CODEBASE =" / bin/java "CODE ="org.nzdl.gsdl.Phind.Phind.class"ARCHIVE =" Phind.jar "WIDTH = 500 HEIGHT = 400 >

From 7u51, he is no longer running.  I got signed jar file and add the necessary root certificate, but the runtime complains now that the permissions attribute is missing from the manifesto, and I can't work, how to add this attribute.

My file 'manifest. MF' has a single line

Permissions: sandbox

(There is an end of line; I also tried to add an additional empty line, but that does not change.)

I build the jar like this

jar cfm Phind - manifest.jar 'manifest. MF' org

jarsigner - keystore greenstoneKey - storepass xxx - Phind - signed.jar Phind - manifest.jar greenstoneKey signedjar

(The org directory contains the class files).

When I unzip the jar resulting of the MANIFEST file. MF looks like this:

Manifest-Version: 1.0

Permissions: sandbox

Created by: 1.7.0_51 (Oracle Corporation)

Name: org/nzdl/gsdl/Phind/Phind$SafeReader.class

SHA-256-Digest: tmCYPVEK/l3vSTLIfPR/QNzo8yUrvknHQxCFAr1KMZY =

[...]

Google search found me nothing else than a bunch of other people having similar problems.  Has everyone really knew the problem and build a jar file that Java7u51 will work as an applet?

After further experimentation, it seems not that the problem is in the jar file. that works fine, as long as it the URL contains a full DNS name.  It seems that the Java runtime is unable to read the manifesto correctly if the URL to the jar file using an unqualified name, or an IP address.

Addendum: the problem disappeared completely.  My best guess is Java runtime has been cached from an earlier version of the jar file information that had no manifest information.  If you are troubleshooting a similar problem, I suggest user profile on your test between wiping testing account.

Tags: Java

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