[bug #68350] (IO) xlsread crashes with xls file and jxl

Philip Nienhuis <[email protected]> Sat, 16 May 2026 15:01:54 -0400 (EDT)

Newsgroups	gmane.comp.gnu.octave.bugs
Message-ID	<[email protected]>

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Follow-up Comment #7, bug #68350 (group octave):

> Maybe you want to do a startup check on the version.
Guessing you mean:
Add a check for Java version depending on Octave release.
Well, the idea is a good one :-)

Yet there is already such a check in Windows (in the function
'chk_spreadsheet_support.m' that automatically loads Java .jars for
spreadsheet I/O from some specific user directory).
However -as always seems the case with Java- that's just part of the story.
Not only Octave, but also some releases of the interfaces require specific
versions of the JRE. On one of my systems I get warnings that I don´t see on
others and it's all caused by different JRE releases and different spreadsheet
I/O interface releases. It's almost like .dll hell in earlier Windows.

I can amend the 'chk_spreadsheet_support.m' check to warn if it sees Java <
1.9, but - a while ago I read here or in Discourse that Java 1.9 wasn´t
really needed for users, just for building Octave, and later on even the
latter seemed to be not strictly required. So it is a bit confusing.

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