64-bit support for Java 2 SDK problems

Hi all,can anyone confirm that the 64-bit support for the Java 2 SDK installation will not intefere with other 32 bit java apps?Has anyone encountered any problems with this?Thanks.

[209 byte] By [yom1976a] at [2007-10-1 3:04:50]

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# 1

The 64-bit support is an extension to the 32-bit JRE. The SDK itself is not effected by 64-bit support, it only effects how the applications runs. ie. using native 64-bit operations and 64-bit addresses.

Peter-Lawreya at 2007-7-8 21:36:07 >

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# 2

Thanks for the reply!One more question - has this only being introduced in 1.4.2? If so I guess there could be problems using it with older versions of java....Thanks.

yom1976a at 2007-7-8 21:36:07 >

# 3

Even for 1.4.2 only limited 64-bit architectures are supported.As version 1.5.0 has been released, I believe only 1.5.0. will get new systems supported.

Peter-Lawreya at 2007-7-8 21:36:07 >

# 4

On Solaris, the 64-bit libraries and excutables are in the sparcv9 subdirectories, and only get used if you explicitly launch java with "-d64" as very first argument (this replaces the -server or -client argument). All other invocations of java will continue to use the 32-bit libraries and executables that are left unchanged by the install of the 64-bit version.

The 64-bit version can only be installed into the JDK directory of the corresponding 32-bit version, so you can't e.g. run a 64-bit 1.4.2 executable from within a 1.4.1-JDK directory.

volkerka at 2007-7-8 21:36:07 >

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64-bit support for Java 2 SDK problems

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