RE: 64 Bit Machines and Tomcat

2005-08-16 Thread Peter Crowther
 From: J R [mailto:[EMAIL PROTECTED] 
 Are there 64 bit counterparts?  If not, would the 32
 bit ones definitely work?

Assuming you have a Java virtual machine that runs on your system, the
Tomcat Java classes will run unchanged.  The 'virtual' in 'virtual
machine' means that compiled Java classes are insulated from the details
of the underlying machine - Tomcat runs unchanged on Windows, MacOS*,
and many flavours of UNIX.

For further reading, check out 'application virtual machine' at
http://en.wikipedia.org/wiki/Virtual_machine and
http://en.wikipedia.org/wiki/Java_virtual_machine

- Peter

* Although Tomcat 5.5 is a bit awkward until Sun release a Java 1.5
virtual machine for Mac.

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Re: 64 Bit Machines and Tomcat

2005-08-16 Thread Ben Ricker
The one caveat I have seen is when you use third-party software that
is compiled; chances are it was compiled with 32-bit system libraries
and will not take advantage of the 64-bit data structure. If you can,
spend the time compiling the third-paty software using 64-bit JDK.

Ben Ricker

On 8/16/05, Peter Crowther [EMAIL PROTECTED] wrote:
  From: J R [mailto:[EMAIL PROTECTED]
  Are there 64 bit counterparts?  If not, would the 32
  bit ones definitely work?
 
 Assuming you have a Java virtual machine that runs on your system, the
 Tomcat Java classes will run unchanged.  The 'virtual' in 'virtual
 machine' means that compiled Java classes are insulated from the details
 of the underlying machine - Tomcat runs unchanged on Windows, MacOS*,
 and many flavours of UNIX.
 
 For further reading, check out 'application virtual machine' at
 http://en.wikipedia.org/wiki/Virtual_machine and
 http://en.wikipedia.org/wiki/Java_virtual_machine
 
 - Peter
 
 * Although Tomcat 5.5 is a bit awkward until Sun release a Java 1.5
 virtual machine for Mac.
 
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-- 
Ben Ricker
He's just this guy, you know?

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Re: 64 Bit Machines and Tomcat

2005-08-16 Thread J. Ryan Earl

J R wrote:


Are there 64 bit counterparts?  If not, would the 32
bit ones definitely work?
 

Uhm, too many pronouns.  Ones?  You mean the binaries?  Java .class 
files are all binary bytecode, the bytecode is architecture independent 
and well defined.  All you need is a Java Virtual Machine for your 
architecture to execute the binaries.  So the binaries, in theory, will 
run all any hardware architecture with a suitable JVM available.


If by ones you mean JVMs then yes, there is an AMD64 JVM available 
for download at java.sun.com.  In addition, I'm pretty sure Blackdown 
will compile 64-bit as well.



These machines are Intel Zeon processors (dual)
 


Are they EM64T Xeons, or the older 32-bit only Xeons?

-ryan



JR

--- J. Ryan Earl [EMAIL PROTECTED] wrote:

 


J R wrote:

   


I tried to install Tomcat, and got the following:

./configure
[...]
configure: error: Unsupported CPU architecture
x86_64

How do I fix?  Is there files out there to fix
 


that?
   




 


Is there any particular reason you need to build
Tomcat?  Why not just 
go with a prebuilt binary Tomcat installation?


I assume you're using the AMD64 JDK?

-ryan


   


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RE: 64 Bit Machines and Tomcat

2005-08-16 Thread J R
Thanks... I didn't realize that Tomcat was pure Java.

Being tortured through several CS classes that use
Java.. I am familiar with its platform capabilities.

Thanks a bunch!

JR

--- Peter Crowther [EMAIL PROTECTED]
wrote:

  From: J R [mailto:[EMAIL PROTECTED] 
  Are there 64 bit counterparts?  If not, would the
 32
  bit ones definitely work?
 
 Assuming you have a Java virtual machine that runs
 on your system, the
 Tomcat Java classes will run unchanged.  The
 'virtual' in 'virtual
 machine' means that compiled Java classes are
 insulated from the details
 of the underlying machine - Tomcat runs unchanged on
 Windows, MacOS*,
 and many flavours of UNIX.
 
 For further reading, check out 'application virtual
 machine' at
 http://en.wikipedia.org/wiki/Virtual_machine and
 http://en.wikipedia.org/wiki/Java_virtual_machine
 
   - Peter
 
 * Although Tomcat 5.5 is a bit awkward until Sun
 release a Java 1.5
 virtual machine for Mac.
 

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 [EMAIL PROTECTED]
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 [EMAIL PROTECTED]
 
 





Start your day with Yahoo! - make it your home page 
http://www.yahoo.com/r/hs 
 

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RE: 64 Bit Machines and Tomcat

2005-08-16 Thread Peter Crowther
 From: J R [mailto:[EMAIL PROTECTED] 
 Thanks... I didn't realize that Tomcat was pure Java.

There's the odd shell script and batch file to assist; other than that,
it's pure Java.  Certainly there's nothing that needs a
platform-specific compiler before it'll run, just the JVM.

 Being tortured through several CS classes that use
 Java.. I am familiar with its platform capabilities.

Heh.  Oh well, I get the 'teaching grandmother to suck eggs' prize for
the week.

- Peter

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Re: 64 Bit Machines and Tomcat

2005-08-15 Thread J. Ryan Earl

J R wrote:


I tried to install Tomcat, and got the following:

./configure
[...]
configure: error: Unsupported CPU architecture
x86_64

How do I fix?  Is there files out there to fix that?
 

Is there any particular reason you need to build Tomcat?  Why not just 
go with a prebuilt binary Tomcat installation?


I assume you're using the AMD64 JDK?

-ryan

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Re: 64 Bit Machines and Tomcat

2005-08-15 Thread J R
Are there 64 bit counterparts?  If not, would the 32
bit ones definitely work?

These machines are Intel Zeon processors (dual)


JR

--- J. Ryan Earl [EMAIL PROTECTED] wrote:

 J R wrote:
 
 I tried to install Tomcat, and got the following:
 
 ./configure
 [...]
 configure: error: Unsupported CPU architecture
 x86_64
 
 How do I fix?  Is there files out there to fix
 that?
   
 
 Is there any particular reason you need to build
 Tomcat?  Why not just 
 go with a prebuilt binary Tomcat installation?
 
 I assume you're using the AMD64 JDK?
 
 -ryan
 

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RE: 64 Bit Machines and Tomcat

2005-08-15 Thread Caldarale, Charles R
 From: J R [mailto:[EMAIL PROTECTED] 
 Subject: Re: 64 Bit Machines and Tomcat
 
 Are there 64 bit counterparts?  If not, would the 32
 bit ones definitely work?

I think you're missing the point.  You don't need to build Tomcat, since
it's pure Java.  Just download the binary distribution, unzip, and run
the appropriate startup script for your OS.  You do need to have a
64-bit JRE installed, of course, if you want the Java code to run in
64-bit mode.

 - Chuck


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