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

[Tatsuro MATSUOKA]

URL:
  <http://savannah.gnu.org/bugs/?47606>

                 Summary: mxe-octave installer for 64 bit seems not check 64
bit JRE but 32 bit JRE
                 Project: GNU Octave
            Submitted by: tmacchant
            Submitted on: 2016年04月02日 13時56分15秒
                Category: None
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Other
                  Status: None
             Assigned to: None
         Originator Name: Tatsuro MATSUOKA
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.0.1
        Operating System: Microsoft Windows

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Details:

This was posted to the octave maintainers mailing list and it is moved to the
bug tracker.

http://octave.1599824.n4.nabble.com/mxe-octave-installer-for-64-bit-seems-not-check-64-bit-JRE-but-32-bit-JRE-td4676038.html

http://octave.1599824.n4.nabble.com/Re-mxe-octave-installer-for-64-bit-seems-not-check-64-bit-JRE-but-32-bit-JRE-td4676041.html

The original post:


I have installed 64 bit octave for windows wit installer 
built and generated using mxe-octave --enable-windows64. 

At trying install to PC which has only the 64 bit JRE from the Oracle site, 
the Octave installer generated by mxe-octave claimed that the Java is not
installed. 
The warning is disappeared after I install the 32 bit Oracle JRE. 

The installer generated by the mxe-octave seems to tries to check 32 bit JRE 
regardless octave binary is 32 bit or 64 bit. 

For 64 bit binary, the installer should check the 64 bit instead of the 32 bit
JRE. 


Reply from John Donoghue:
Can we verify manually from the registry what the installer is reading? 
1. attempts to read JAVA_HOME environment variable - so within octave 
getenv('JAVA_HOME') 
2. reads registry value from HKLM\Software\JavaSoft\Java Runtime 
Environment\Current Version" 
3. reads registry value from HKLM\Software\JavaSoft\Java Runtime 
Environment\XXXX\JavaHome"  (where XXXX was the version from 2.) 

 





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