Re: [libreoffice-users] LO and Java 8u25 - SOLVED

On 10/28/2014 01:06 PM, Alain Andrieux wrote:
> Actually, installing "JavaForOSX2014-001.dmg” is exactly what I don’t want to do, for it would be 
> polluting a fresh, clean system with a library being 4 versions old (Apple stop providing Java with OS X 
> 10.6).
>
> But…
>
> Giving it a second thought showed that there is 2 available builds for OS X (both of version 
> 4.3.2.2):
>
> The second one, labelled “Mac OS X (x86_64 10.8 or newer required”, does the trick and recognises 
> Java 8u25 as valid. Although we still get this nasty alert saying we should install Java…

Two things to note:

Any JREs that LO shows on Preferences' "LibreOffice - Advanced" pane 
must match the bitness of the given LO.  So if you run a 32-bit LO it 
will only show 32-bit--capable JREs.  The Apple Java 6 is 
32-bit--capable, while the Orcale Java 8 is 64-bit--only.

If LO wants to actually use a JRE's JVM (for other purposes than 
detecting which JREs to show on the Preferences pane above), it does so 
via the JNI Invocation API.  Oracle's Java 7 and 8 for Mac OS X have a 
bug that causes any process using that functionality to exit abruptly 
unless the Apple Java 6 is also installed (see 
<https://bugs.freedesktop.org/show_bug.cgi?id=74877> "OS X 10.9: abrupt 
exit of LO in JNI_CreateJavaVM w/ Oracle Java 7 and w/o Apple Java 6" 
for details; Oracle targeted a fix for that only for their Java 9).  For 
LO, that means that it can appear to "suddenly crash" as soon as it 
tries to instantiate a JVM and Apple's Java 6 is not installed.  And at 
what time LO will try to instantiate a JVM can be somewhat 
non-intuitive, e.g., it can happen as soon as you type something into 
Writer if you happen to have the Wiki Publisher extension installed (cf. 
<http://cgit.freedesktop.org/libreoffice/core/commit/?id=1e54386411055b0049760faff2e1374a83191913> 
"'Official' TDF Mac builds are done w/o ext-wiki-publisher" and links 
from there for details).

Stephan

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