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Samples [message #993128] Sun, 23 December 2012 13:29 Go to next message
Niall Scott is currently offline Niall Scott
Messages: 1
Registered: December 2012
Junior Member
Hi
I'm the newest of newbies, never used Java before bit been programming Delphi for donkeys.
As an old foaggie I'm not up on 32/64 bit stuff. I'm running Win7 64 bit with jdk1.7.0_10 (64bit) and I've just installed Eclipse Juno RCP SR1 64 bit and tried to use the samples.
It tells me I need to download them so I try and get java.lang.NullPointerException, further investigation gives me 'Unable to read repository at http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/pde-ui-home/samples/.'

Any ideas?

Second thing, How specific are 32/62 java apps? Most of my stuff (if I ever get there) will initially be used on 32 bit XP machines. Do I need to install 32 bit eclipse as well?

Cheers
Niall


Re: Samples [message #995703 is a reply to message #993128] Sun, 30 December 2012 23:12 Go to previous message
David Williams is currently offline David Williams
Messages: 696
Registered: July 2009
Senior Member
On 12/23/2012 08:58 AM, Niall Scott wrote:
> Hi
> I'm the newest of newbies, never used Java before bit been programming
> Delphi for donkeys.
> As an old foaggie I'm not up on 32/64 bit stuff. I'm running Win7 64
> bit with jdk1.7.0_10 (64bit) and I've just installed Eclipse Juno RCP
> SR1 64 bit and tried to use the samples.
> It tells me I need to download them so I try and get
> java.lang.NullPointerException, further investigation gives me 'Unable
> to read repository at
> http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/pde-ui-home/samples/.'
>
> Any ideas?
>

Assume that was from "Welcome page"? That's broken now that cvs no
longer has anonymous access (bug 397237 [1]); and besides those are a
bit older than current examples (bug 396429 [2]).
BUT, you can still get Examples. I think the description in help is
still relatively accurate and workable (perhaps out-dated?), though
haven't stepped through it myself. See
http://help.eclipse.org/juno/index.jsp?nav=%2F2_4
If you find errors in the help descriptions/instructions, please open
bugs in Eclipse Platform, "UA" (User Assistance) component.

> Second thing, How specific are 32/62 java apps? Most of my stuff (if I
> ever get there) will initially be used on 32 bit XP machines. Do I
> need to install 32 bit eclipse as well?
>

There is very little of Java that is 32 bit or 64 bit specific. Bitness
comes into play if the Java code "calls out" to native libraries that
are architecture specific. There's very few cases in Eclipse where it
makes a difference. (The cases that do, such as for SWT or some
low-level "filesystem" stuff are typically completely transparent to
bundles that people write. Of course, it wouldn't hurt to do some
testing on your "users typical platform", but if anything, I'd expect
that old "XP" to be more of a problem than 32 bit vs. 64 bit :)

HTH

[1] https://bugs.eclipse.org/bugs/show_bug.cgi?id=397237
[2] https://bugs.eclipse.org/bugs/show_bug.cgi?id=396429
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