[Octave-bug-tracker] [bug #47606] mxe-octave installer for 64 bit seems not check 64 bit JRE but 32 bit JRE

[Philip Nienhuis]

Follow-up Comment #3, bug #47606 (project octave):

FWIW:

On my 64-bit Windows 7 system I have both 32 and 64 bit Java installed.

My 64-bit mxe-octave builds apparently pick the 64-bit Java JRE:

>> system ("java -version")
java version "1.8.0_77"
Java(TM) SE Runtime Environment (build 1.8.0_77-b03)
Java HotSpot(TM) 64-Bit Server VM (build 25.77-b03, mixed mode)
ans = 0


and

>> chk_spreadsheet_support ("", 3)  ## in io package)
<snip>
1. Checking Octave's Java support... OK.
2. Checking Java dependencies...
  Checking Java JRE presence.... OK, found one.
  Java seems to work OK.
  Java (version 1.8.0_77) seems OK.
  Maximum JVM memory:  1812 MiB; sufficient.


1812 MB jvm heap isn't easily accomplished with 32-bit Java.

Finally, on my Win 7 box the io package UNO scripts will attach to the 64-bit
LibreOffice (they won't work with 32-bit LO).

Maybe it is a matter of which Java got installed as the last one?
Java JREs come with a Java console where (maybe, apparently) a Java version
can be selected.


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