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JATOS installation - no instance(s) available

Hi all, I used to have JATOS installed and I remember it working until a couple of months ago. I am on Windows and when I click the loader.bat file a terminal window opens for a split seconds and then closes. If I just click on the loader.bat file, nothing gets written into the loader log file. When I run it with administrative rights, the same thing but it writes into the loader log file "C:\Users\ilari\jatos_win_java>Bad root server path: C:\Users\ilari\jatos_win_java\start". When I open the terminal, navigate into the jatos folder and type loader.bat start it also doesn't write anything into the log file but I get the following message:

No Instance(s) Available.

Starting JATOS ... please wait

JATOS uses local JRE

To use JATOS type 127.0.0.1:9000 in your browser's address bar


What I have tried so far:

  • made sure that the file is in a folder that doesn't get synced with my onedrive
  • I tried to use the JATOS/Java bundle to ensure that not my Java installation is causing the problem but when I use this it tells me that no Java is available on startup and if I type java -version it tells me that java is not installed
  • I tried to install Java on my own and then used the jatos.zip download -> this tells me that no Java is available on startup but if I type java -version it shows that I have it installed
  • I installed my own Java through adoptium and then installed the jatos_win_java.zip. This gives me the error message I posted above and when I type java -version, this comes up:

openjdk version "17.0.6" 2023-01-17

OpenJDK Runtime Environment Temurin-17.0.6+10 (build 17.0.6+10)

OpenJDK 64-Bit Server VM Temurin-17.0.6+10 (build 17.0.6+10, mixed mode, sharing)



Does anyone know what the problem might be?

Thanks!!

Ilaria

Comments

  • Hi Ilaria,

    Kristian worked on what might be the same problem last week. Please have a look at this issue, https://github.com/JATOS/JATOS/issues/265#issuecomment-1318497807

    If it sounds like this is what's happening with you, could you try updating to the latest JATOS (pre-relase for now, should be out as a proper release some time next week https://github.com/JATOS/JATOS/releases/tag/v3.8.1), and let us know if that solves the problem?

    Best

    Elisa

  • Hi Elisa,

    thanks so much for the quick reply! So it kinda worked with the latest JATOS version, but it gave me this message:

    No Instance(s) Available.

    Starting JATOS ... please wait

    OpenJDK 64-Bit Server VM warning: Ignoring option --illegal-access=permit; support was removed in 17.0

    started

    To use JATOS type 127.0.0.1:9000 in your browser's address bar


    When went to localhost9000, the login page came up but I got these errors in the chrome console:

    Failed to load resource: the server responded with a status of 500 (Internal Server Error)

    bootstrap.min.css:1     Failed to load resource: the server responded with a status of 500 (Internal Server Error)

    jquery-3.5.1.min.js:1     Failed to load resource: the server responded with a status of 500 (Internal Server Error)

    bootstrap.min.js:1     Failed to load resource: the server responded with a status of 500 (Internal Server Error)

    login:67 Uncaught ReferenceError: $ is not defined

      at setBrand (login:67:3)

      at login:63:1

    jatos_logo_grey.svg:1     Failed to load resource: the server responded with a status of 500 (Internal Server Error)

    :9000/favicon-32x32.png:1     Failed to load resource: the server responded with a status of 500 (Internal Server Error)

    :9000/favicon-16x16.png:1     Failed to load resource: the server responded with a status of 500 (Internal Server Error)

    :9000/favicon-96x96.png:1     Failed to load resource: the server responded with a status of 500 (Internal Server Error)

    bootstrap.min.css:1     Failed to load resource: the server responded with a status of 500 (Internal Server Error)

    login.css:1     Failed to load resource: the server responded with a status of 500 (Internal Server Error)


    From what I can tell all the functionalities are there, it just looks like a website with no css. Thank you so much for working on this, this is a huge step forward compared to where I was this morning.

  • Hi Ilaria,

    Can you please try version 3.8.1 with Java 11. JATOS does not yet support Java 17.

    Best,

    Kristian

  • Hi Kristian,

    sorry for the late reply, it took me a while to figure it out but now it works! I tried it with adoptiums java 11 and that doesn't work if I try to use the batch file. But when I use git bash and then ./loader.sh start it works.

    Best, Ilaria

  • Hi IIaria,

    Do you use 3.8.1? I ask because we fixed an issue with the loader.bat in this release. I'm just trying to figure out what caused your problem.

    Best,

    Kristian

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