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[doylet8456]

Hello,

I have been enjoying MC28 since late October, utilizing it as an external player for Kodi. I rip all of my discs to ISO, and after figuring out the necessary settings, MC28 handled everything very smoothly with BluRay menu playback using both madvr and jrvr.

I recently upgraded to MC29, but upon the upgrade, I received the Something went wrong error message. BD-J disc detected, but java is not available. Please install Java SE runtime.

I thought maybe the install went bad, so I tried again, nothing still. I will say, I have never had to add exclusions to Windows Defender either for
MC28 to function for bluray menus.

I decided it was worthy of a reset this PC and ran a complete fresh install of Windows 11. I downloaded the newest MC29 0019x64, but again, the error message pops up and the disc is not analyzed nor any playback occurs.

Here is where it gets a little murky. On this fresh install of Windows 11, I decided to uninstall MC29. And install MC28. Thats it.

I again reinstalled Windows 11, and again had the same results.

Fresh install Windows 11.
MC28 is adding required components, whereas MC29 is not.

Any help would be appreciated, I was really hoping to try the new JRVR vs madvr. For now I have gone back to MC28 where both madvr and jrvr playback bluray menus.

Thank you

[JimH]

MC (both versions) needs to download video components.  Something is preventing that.  Firewall or antivirus.

[doylet8456]

I added exclusions in Windows Defender as detailed in the 'Taming Windows Defender' guide. MC29 does not download components.

I don't see how MC28 is downloading components successfully on a fresh windows 11 install, and MC29 is not.

[Hendrik]

Please post a logfile of trying to play a BD-J enabled disc with MC29
https://wiki.jriver.com/index.php/Logging

Enabling logging as detailed on the wiki above, try playback just once, and then create the log using the "Report a problem" button to make sure the log is as concise as possible.

For the record, I have just tested and all dependencies for Blu-ray playback seem to download just fine here.

[Awesome Donkey]

I added exclusions in Windows Defender as detailed in the 'Taming Windows Defender' guide. MC29 does not download components.

Taming the Windows Defender antivirus portion won't fix this if it's the Windows firewall blocking it unfortunately (which sounds like is the case). You need to go into the Windows Defender Firewall with Advanced Security app and in both Inbound Rules and Outbound Rules you either need to modify existing Media Center 29 firewall rules or create new firewall rules to allow all connections on any protocol (e.g. both TCP + UDP via the Any option). Honestly if the firewall rules for Media Center 29 already exist, I'd delete them and add new ones for both inbound and outbound. You may need to also do this with JRWeb and maybe JRService as well, so you may need to create rules for those too (at least JRWeb, I'm thinking).

I don't see how MC28 is downloading components successfully on a fresh windows 11 install, and MC29 is not.

It's because Media Center 28 and Media Center 29 are separate apps installed in separate locations. Any firewall/antivirus rules that exist Media Center 28 won't carry over and apply to Media Center 29 and you basically have to redo them all over again.

Jim/Matt/Hendrik, in my opinion Media Center should inform the user if it fails at downloading needed components, currently it does not do this. If the connection times out (after X amount of attempts after X amount of time) it should tell the user something's wrong instead of silently failing. I think doing so would help alienate these kind of forum posts, which do occur from time-to-time.

[doylet8456]

Turning off the Windows Firewall does allow proper playback.
My special use case maybe a bit more involved than most. I am streaming from my google drive (my redundant backup of sorts) as a test.
rclone with winfsp.

I'm not sure why MC28 works out of the box though. I haven't setup any inbound or outbound firewall rules for it.

[Hendrik]

There is a change coming in a future build that might help with loading Java on some systems, let us know if that helps.

[doylet8456]

There is a change coming in a future build that might help with loading Java on some systems, let us know if that helps.

Is there anything I can do to keep windows firewall ON? But allow this jvm to load properly?
Could I beta test this future build?

[petikoma]

Hi,

I tried MC29 at the weekend and also encountered the same 'BD-J disc detected, but java is not available' error when tried playing a BD with full menu. I spent several hours finding out what's going on and here are my findings:

- MC29 downloaded the java component (there was a 'java64' folder in the plugins folder) but it seemed to be not able to open JVM,
- this issue came up only one of my computers which has AMD 3200G APU (the other one having Intel CPU worked fine),
- the workaround was downloading JRE1.8 from java.com and copying the installed files into the 'java64' folder.

My guess is the Java version downloaded by MC29 is not compatible with the new libbluray and AMD CPU combo, but this should be tested further by others having similar config.

[doylet8456]

Hi,

I tried MC29 at the weekend and also encountered the same 'BD-J disc detected, but java is not available' error when tried playing a BD with full menu. I spent several hours finding out what's going on and here are my findings:

- MC29 downloaded the java component (there was a 'java64' folder in the plugins folder) but it seemed to be not able to open JVM,
- this issue came up only one of my computers which has AMD 3200G APU (the other one having Intel CPU worked fine),
- the workaround was downloading JRE1.8 from java.com and copying the installed files into the 'java64' folder.

My guess is the Java version downloaded by MC29 is not compatible with the new libbluray and AMD CPU combo, but this should be tested further by others having similar config.

I will try when I'm home for lunch.

I am running an Nvidia GTX 1050ti

[Hendrik]

Don't mess with any content of the plugins folder, or you'll just get other problems down the line. Any such modifications will result in no support from us, as is hopefully understandable.
If you have any issues, report them here, and we'll look into them. You'll just have to be patient for the next build to fix them, or continue using MC28 in the meantime.

The issue has nothing to do with any hardware combinations.

[doylet8456]

Don't mess with any content of the plugins folder, or you'll just get other problems down the line. Any such modifications will result in no support from us, as is hopefully understandable.
If you have any issues, report them here, and we'll look into them. You'll just have to be patient for the next build to fix them, or continue using MC28 in the meantime.

The issue has nothing to do with any hardware combinations.

Understood! I will revert back to MC28. I will patiently wait for the MC29 fix. Thanks for the support. I'm really digging the kodi w/ MC playback. It compares and maybe even surpasses my Oppo UDP-203!

[petikoma]

Replacing 'java64' folder with the JRE 1.8 instance was just an attempt which worked. Dev team can get a clue from it.

[Hendrik]

29.0.22 is now available which includes a fix for this
https://yabb.jriver.com/interact/index.php/topic,132500.0.html

[petikoma]

I can confirm that the new release solved the issue on my computer. Thank you Hendrik!

[doylet8456]

Confirmed! Thank you guys. I’ve now moved onto MC29 !!!!