Java 6 installation may be confusing for some Mac users

[aronr]

If the user's Macintosh computer running OS X doesn't already have Java 6 installed, they will need to
install it to run the Pledge OTP app. (For instance, a fresh install of OS X
10.10 "Yosemite", the latest OS X version, as of this writing, does not come
with a Java JRE installed.)

Because I already installed Java 6 during the original D-Lab
onboarding session, I don't have ready notes here for issues encountered
during that process.

I recall finding that process confusing, in part since:

• the installation runs in the background and takes considerable time to complete
• the 'installation completed' dialog didn't pop up in the foreground
• that dialog also didn't mention what software was successfully installed

and thus we might consider adding installation (or troubleshooting) instructions for this part.

[aronr]

See also tangentially related issue #17.

[aronr]

This refactoring of the Logging into Savio document attempts to address potential grounds for confusion over the Java 6 installation required as part of installing Pledge on OS X:
https://github.com/ucberkeley/brc-draft-documentation/wiki/Logging-into-Savio/60cf116ce00c0d1a771ead87f72265c1f67e7fc5

[aculich]

Re-opened, pending further discussion with @aculich

[smasover]

Noting that "upgrade" to Yosemite (from 10.8 to 10.10), where pre-upgrade Pledge was installed and working, post-upgrade attempt to launch Pledge gives message "To run 'Pledge' you need to install the legacy Java SE 6 runtime." No functional clue is given about how to do this.

[aronr]

Interesting - thanks for this report, @smasover!

Came across one recent discussion about how someone might do this - seemingly useful on its face - while fully acknowledging that the "need to install the legacy Java SE 6 runtime" dialog message does not provide any clues to a user about how to install that runtime:

https://discussions.apple.com/thread/6601242?tstart=0

If necessary, we could consider pointing Pledge users to the Apple Java 6 download page mentioned in that discussion, if they encounter that "need to install" dialog in Yosemite (or otherwise):

http://support.apple.com/kb/DL1572?viewlocale=en_US&locale=en_US