726674 - Java plugin isn't detected on my 64-bit Windows 7 trunk nightly

Status: RESOLVED WORKSFORME

(Core Graveyard :: Plug-ins, defect)

Description

[Stephen Donner [:stephend] Not actively reading bugmail]

My Java plugin isn't detected in my trunk nightly, on 64-bit Windows 7, and it works fine in Firefox 10 (same machine).

--target=x86_64-pc-mingw32 --host=x86_64-pc-mingw32 --enable-update-channel=nightly --enable-update-packaging --enable-jemalloc --enable-js-diagnostics

Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:13.0a1) Gecko/20120213 Firefox/13.0a1

STR:

Using  Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:13.0a1) Gecko/20120213 Firefox/13.0a1, visit http://www.mozilla.org/en-US/plugincheck/, type about:plugins, or visit any other site, like http://java.com/en/download/installed.jsp?detect=jre&try=1, which detects Java

Expected:

Java applets initialize

Actual:

Java isn't detected

Comment 1

[Stephen Donner [:stephend] Not actively reading bugmail]

Additional info:

My nightly build is installed in C:\Program Files\Nightly, while Firefox 10 is installed in C:\Program Files (x86)\Mozilla Firefox.

Java is installed in several subdirectories off C:\Program Files (x86)\Java (see screenshot).

Comment 2

[Stephen Donner [:stephend] Not actively reading bugmail]

Attachment: Screenshot

Comment 3

[Matthias Versen [:Matti]]

You are using a 64bit nightly build while your release build (as all current Windows release builds) is only a 32 bit build. You can see the difference in the UA string: Win64 vs WoW64
I don't know if we currently support using 32bit plugins via a 32bit plugin-container on windows64.
Is java working you change dom.ipc.plugins.java.enabled to true ?

Comment 4

[Stephen Donner [:stephend] Not actively reading bugmail]

(In reply to Matthias Versen (Matti) from comment #3)
> Is java working you change dom.ipc.plugins.java.enabled to true ?

No, that didn't fix it; thanks, though!

Comment 5

[Matthias Versen [:Matti]]

Stephen: You may want to download the 64bit Java from here.
- http://www.java.com/en/download/faq/java_win64bit.xml

Comment 6

[Masatoshi Kimura [:emk]]

Why is this bug related to bug 595053? Oracle provides native 64-bit Java plug-ins.

Comment 7

[Dimosthenis Stamatiou]

(In reply to Stephen Donner [:stephend] from comment #1)
> Additional info:
> 
> My nightly build is installed in C:\Program Files\Nightly, while Firefox 10
> is installed in C:\Program Files (x86)\Mozilla Firefox.
> 
> Java is installed in several subdirectories off C:\Program Files (x86)\Java
> (see screenshot).

Have you installed 64-bit Java?

Comment 8

[Stephen Donner [:stephend] Not actively reading bugmail]

Attachment: Screenshot, showing Java working again on nightly, 64-bit Windows 7

Comment 9

[Stephen Donner [:stephend] Not actively reading bugmail]

This is now working for me, again, with Mozilla/5.0 (Windows NT 6.1; WOW64; rv:14.0) Gecko/20120326 Firefox/14.0a1