GoWrite doesn't support Java 9.0.1 64 bit on Windows 7 64 bit

Reporting and discussion about bugs.

Moderator: lpaatero

JohnTilley
Posts: 1
Joined: Thu Nov 09, 2017 5:08 pm

GoWrite doesn't support Java 9.0.1 64 bit on Windows 7 64 bit

Postby JohnTilley » Thu Nov 09, 2017 6:35 pm

I was using GoWrite Version 2 and it stopped working after an upgrade to Firefox (64 bit version 56.0.2). It took a while to track down, but on Windows 7 Professional 64 bit the latest 64 bit version of Java doesn't work with GoWrite - I get a "unable to find JVM" message.

GoWrite 2.3.48 and GoWrite 3.0.13 both work with Java 8 1.5.1 (64 bit) - tested this morning. Neither works with Java 9.0.1. I have disabled Java in the browser - as Firefox no longer supports the java plugin after Firefox Version 52.

I think I will stick to the Taisha joseki - it might be easier. <sigh>

John Tilley

lpaatero
Go liiton hallitus
Posts: 447
Joined: Fri May 21, 2004 12:20 pm
Location: Finland

Re: GoWrite doesn't support Java 9.0.1 64 bit on Windows 7 64 bit

Postby lpaatero » Thu Nov 09, 2017 11:19 pm

Thanks for reporting this.

I will have to take a look at it. This will probably take a while.
Update: Based on documentation, there are number of compatibility breaking changes in Java 9. It is likely that I will create private java 9 copy and embed it into next 3.0.x GOWrite Windows version. This increases size of GOWrite, but removes any dependency on platform java version.

GOWrite does not use Java browser support, so it can be disabled (and better be disabled, I think). I do not see any reason why installed browser version would impact gowrite.

So currently recommended way to run GOWrite is to stick to Java 8, which still seems to be the default offered jre.
Alternative is to start gowrite from command like (like: java -jar GOWrite.jar).

regards
Lauri


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