kri
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Hi Pinar! Yes, it sounds like you temporarily overloaded your JATOS server. Do you have JATOS' log around the time when this happened? And what are the specifications of your JATOS server (memory, CPU, disk space)? It might be a good idea to spread …
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Hi Zach! Yes, there is. It's similar to updating a server. You have to move the folders study_assets_root result_uploads study_logs By default they are all in the folder where you installed JATOS. But their location can be configured in JATOS - so …
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Hi Damiano, I can't see anything new in the logs apart from that you have quite a few EntityStreamException. Would it be possible for you to share your study with me (give me the jzip)? I want to run it on my JATOS and look at the traffic to the ser…
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Hi Anne! This is more of a jsPsych/JavaScript problem and not a JATOS one. But anyway, you could just take jatos.js' code for addAbortButton and change it a bit so it does a go-to-last-component: var myAbortButton = function (config) { var button…
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Hi Damiano! Your JATOS sever specs look good, only the 25 GB disk space might cause problems if you run studies with large result data or with many participants. But I don't think this is the case here. It's difficult to say what caused 30% of your …
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Nice, that a restart solved your original problem (good old turning off and back on). Then about the JATOS automatic update: It needs an outgoing port 80 to connect to GitHub to check if there are new releases of JATOS. But I'm not a network specia…
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Hi guys! I just updated the MindProbe JATOS. It can deal with OSWeb studies again. Can you check and confirm?
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Thanks for reporting this. I will look into this asap and fix it before we go live on Monday.
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Your log looks fine too. This 'Couldn't request latest JATOS update info.' means that JATOS couldn't query GitHub for new version of JATOS. Maybe there is some kind of network problem? And I see that your JATOS binds to port 9000 on localhost. So yo…
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JATOS service status looks fine. What does JATOS' log say, are there any errors? It's in JATOS installation directory in logs/application.log.
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Hi Sid! 2 GB memory can be easily too low when your study is demanding and multiple participants run it in parallel. You can upgrade to 4 GB - or, as you already said, ensure that only one participant runs it at the same time. I'll try running a stu…
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Hi Skywoo, Sorry for taking some time to answer, it's a challenging time over here. Unfortunately there is no such thing as a folder for common files. But this is also a design choice. A study should independent of external resources (e.g. from the …
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Hi Martin, Unfortunately this can have a myriad of reasons and without and error messages we won't be able to help you here. You can check in JATOS' log (if you have access) if there is something unusual. Best, Kristian
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Hi W! Yes, as announced several times I turned off the server today. Does this mean this server has been taken down (forever) ? Yes If so, does that mean that my pilot data is lost? I can turn the server back on for today until you exported your da…
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IE browsers are really outdated and not many people use them: ttps://en.wikipedia.org/wiki/Usage_share_of_web_browsers Even MS will abolish them: https://www.theverge.com/2020/8/17/21372487/microsoft-internet-explorer-11-support-end-365-legacy-edge#…
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Hi Sid! It's specifically happened on more multi-participant occurrences than a single participant using it. Do you mean that multiple participants did the study at the same time in parallel? That should be no problem given that your JATOS server ha…
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Hi! I'm not sure I understand correctly. If you want your participants to enter an ID the usual way would be to show them a little form where they can enter that ID and then you'd store it in JATOS with jatos.submitResultData or jatos.appendResultDa…
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Hi Sid, This Entity Stream Truncation error is an infamous one indicating that something interrupted the arriving data stream, likely the sending of result data that are partially missing. The causes for this can be manifold, e.g. network problems, …
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Hi Tim! That's great to hear! And about your other question: 'is there a way to initialize JATOS (i.e. load the variables) before the HTML is loaded (e.g. to dynamically create content)?'. I don't think that is possible since jatos.js loads data asy…
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Hi Tim! Try putting the logging within the onLoad function too, like: <script type="text/javascript"> jatos.onLoad(function() { var accuracy = jatos.studySessionData.accuracy; console.log(accuracy); }); </script> Th…
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Hi Tim! Could it be that OSWeb somehow doesn't transfer the studySessionData, i.e. "ends" the session? This is handled by jatos.js. So OSWeb can't 'end' the session. Maybe there are problems with starting the last component of yours. How d…
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Ah, so JATOS or the server where JATOS runs on crashed. Again it sounds like the server doesn't have enough resources, most likely memory. How much memory does it have? Best, Kristian
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Hi Tim, It looks like you forgot to initialize jatos.js. Have a look in http://www.jatos.org/Write-your-own-Study-Basics-and-Beyond.html#mandatory-lines-in-your-components-html. Basically before you can start with using features from jatos.js (like …
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Hi Tim, As far as I understand your experiment has 3 components, one survey, one OSWeb and one 'last' component. Actually the code to get your data from the study session in the third component is just var accuracy = jatos.studySessionData.accuracy…
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Hi Ely! HTTP error code 503 means "Service Unavailable". This can have many reasons but my first guess is that somehow your JATOS server was not working at the time. Is it possible that it was overloaded (too many requests at the same time…
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Hi Zach, An alternative way is to edit the .jas file that is within your experiment .zip file. Unzip your experiment (that you got from OpenSesame) Open the .jas file with an editor Change the value of the uuid field to the desired value Zip the fol…
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Sounds more like an OSWeb or browser issue - not so much JATOS.
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Hi Marta, You could also try to catch errors in your participant's browsers and write them into the JATOS log. Just put jatos.catchAndLogErrors(); somewhere in the beginning of your JavaScript, e.g. in jatos.onload. Maybe there is an error that he…
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At least the missing '.txt' file suffix is a JATOS issue ;) In Firefox JATOS doesn't put the ending '.txt' to result files. In Chrome, Edge and Safari it works fine. This is already fixed in the upcoming JATOS release. In between you can just rename…
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Hi Elena, As I unterstood it, I need to get the paramterer somehow (as described above using jatos.urlQueryParameters.paramA). But do I also need to implement something to then add the unique parameter value to the URL as well? Would I use the funct…