DOMjudge-devel

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194 discussions

Re: 5.3.1 and 5.2.1 broken!
by Marc Furon 08 Nov '17

08 Nov '17

Jaap Eldering wrote: > This is to warn you that the 5.3.1 and 5.2.1 releases from a few > days ago are broken due to a regression bug in runguard: > https://github.com/DOMjudge/domjudge/issues/310 > > We're still investigating the precise cause before releasing a > fix. As a workaround we recommend using 5.3.0 instead of 5.3.1, > since the actual changes (besides this bug) are minimal. [...] Thank you for sending this alert. I was in the process of installing 5.3.1 for the Southern California contest this weekend. I will install 5.3.0 instead. Do you recommend I install the work-around patch for "runguard" on the judgehosts separately? Regards, Marc

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need some helps
by easior 04 Nov '17

04 Nov '17

<p>Hi, all in the list.<br /><br />I don't know whether my question is fit here. However, following the link https://github.com/DOMjudge/domjudge/issues/305, I come here to ask for helps. First of all, I want to know how to write a systemd script instead of /etc/init.d/domjudge-judgehost on Fedora box. I'm too little of knowledge of systemd to kick it off. Secondary, I want to create many accounts for domserver in the batches. Is there any Bash/PHP/SQL script to reach this purpose? Thank in advances.</p><p>Best regards,</p><p>Easior</p><p><br /></p><p><br /></p><div style="height:30px;"></div><div style="height:2px;width:298px;border-bottom:solid 2px #e5e5e5"></div><div style="height:20px;"></div><a target="_blank" style="background-image:url(http://r.g.tom.com/kwap/r/app/other/suixinyou.png);bac… center;font-size:14px;background-size: 20px;height: 39px;line-height: 39px;padding-left: 25px;display:block;color:#333333;text-decoration: none;" href="http://mail.tom.com/webmail-static/welcomesxy.html" onmouseover="this.style.cssText='background-image:url(http://r.g.tom.com/kwap/r/app/other/suixinyou.png);bac… center;font-size:14px;background-size: 20px;height: 39px;line-height: 39px;padding-left: 27px;display:block;color:#4c4c4c; text-decoration:underline;'" onmouseout="this.style.cssText='background-image:url(http://r.g.tom.com/kwap/r/app/other/suixinyou.png);bac… center;font-size:14px;background-size: 20px;height: 39px;line-height: 39px;padding-left: 27px;display:block;color:#4c4c4c;text-decoration:none'">随心邮-在微信里收发邮件，及时省电又安心</a>

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Re: judgedaemon compile error
by Tobias Werth 31 Oct '17

31 Oct '17

Hi Fatih, I guess you didn't create the corresponding user for domjudge-run. See https://www.domjudge.org/docs/admin-manual-3.html#ss3.7 We typically start the judgedaemon with -n <core-id>, e.g. -n 0 (even when running a single judgedaemon), then you need to create domjudge-run-0. See https://www.domjudge.org/docs/admin-manual-3.html#ss3.18 Hope that helps, Tobi On Mon, Oct 30, 2017 at 5:50 PM, Fatih özdemir <f4tih.ozd(a)gmail.com> wrote: > Hello, > I have a problem about submissions. When I submit a code on my localhost > domjudge system it returns compile error every time. This is the error > > Compiling failed with exitcode 255, compiler output: > /home/dante/domjudge/judgehost/bin/runguard: invalid groupname or ID > specified: `domjudge-run' > Try `/home/dante/domjudge/judgehost/bin/runguard --help' for more > information. > > Have can I fix it. Thank you for helps > > > -- > Fatih ÖZDEMİR > Türk Hava Kurumu Üniversitesi IEEE sb Computer Society Başkanı

1 0

CTD File Testing
by Bryce Sandlund 25 Oct '17

25 Oct '17

Hi, I am preparing a problem set for Kattis and thought I'd try making a CTD file input format validator. I found the CTD GitHub and have been following along with the README and language specification. I'm currently a little frustrated. By running Kattis problemtools, I can determine if my ctd file compiles and accepts test cases. Currently, I cannot get SPACE EOF to accept a file with a single space, or INT(1,10000) EOF to accept a file with a single integer. I can get EOF to accept an empty file. Clearly something silly is going on, and it'd be much easier to see by a more instructive error message than accepting or not-accepting. So I thought I'd try to compile the ctd file my self, or run it myself and see if there is more error output. It looks like there's no instructions on how to go about doing that in the README on GitHub. I'm also not sure if the error messages would be more informative. I am suggesting such instructions be added to the README and that such a command would be able to give me a more informative error. Bryce

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[Domjudge]: Error when judging a large input and output data file!
by Bình Dương, Tran 18 Oct '17

18 Oct '17

Dear Sirs, In a contest, I uploaded a problem with a pair of input and output data files which are large (greater than 250MB). When my students submitted their codes, the judging system could not perform the judgement because of an error occurrence. The error message is included here: ================================================================ [Oct 18 12:15:00] judgedaemon[20905]: API request GET testcases [Oct 18 12:15:00] judgedaemon[20905]: Running testcase 5... [Oct 18 12:15:00] judgedaemon[20905]: API request GET testcase_files [Oct 18 12:15:05] judgedaemon[20905]: error: Error while executing curl GET to url http://localhost/domjudge/api/testcase_files?testcaseid=8519&input: http status code: 500, response: ================================================================ I don't know how to fix this kind of error, please help me by giving some advices. Regards

4 3

[Domjudge v5.1.3] : About how to apply executable checker for judging problem solutions
by Bình Dương, Tran 07 Oct '17

07 Oct '17

Dear Sir, There are some problems which have multiple solutions and it's necessary to apply executable checker for them. I've got some checkers from problem sources but I don't know how to link the checker with related problem in DomJudge. I think I should create a new executable item for a checker, but I don't know how to. Please, give me some advice. P/S: I attached here some checkers on my side Regards, Thank you -- [image: Điện thoại: (04) 37687717 – Máy lẻ: 100] <http://Email:%20linhpt@fpt.edu.vn/> Thanks & Best regards ------------------------------------ *TRẦN BÌNH DƯƠNG * Giảng viên bộ môn Công Nghệ Phần mềm Trường Đại học FPT Tel: (04) 37687717 – Máy lẻ: 104 Mobile: 0936 168 165 Email: duongtb(a)fe.edu.vn _______________________________________________________________________ The information in this e-mail and any attached files are CONFIDENTIAL and may be legally privileged or prohibited from disclosure and unauthorized use. The views of the author may not necessarily reflect those of the Company. It is intended solely for the addressee or the employee or agent responsible for delivering such materials to the addressee. If you have received this message in error please return it to the sender then delete the email and destroy any copies of it. If you are not the intended recipient, any form of reproduction, dissemination, copying, disclosure, modification, distribution and/or publication or any action taken or omitted to be taken in reliance upon this message or its attachments is prohibited and may be unlawful. At present the integrity of e-mail across the Internet cannot be guaranteed and messages sent via this medium are potentially at risk. All liability is excluded to the extent permitted by law for any claims arising as a result of the use of this medium to transmit information by or to FPT University.

2 1

Problem when using DOMjudge-live image version 2017-02-12
by Quyet Bui 04 Oct '17

04 Oct '17

Hello domjudge team! I have downloaded and run the lastest version of DOMjudge-live image (version 2017-02-12) on virtualbox but my OS could not recognize network card. But it works normally when I use older verison (2017-9-26). Can you help me fix this problem? Thank you!

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DOMjudge live image on Java 1.8
by Peter Hat 21 Sep '17

21 Sep '17

Hello everyone! Is it possible to run the live version of DOMjudge with Java 1.8? If so, how? Since we only get Java 1.7 running. Sincerely yours, Peter

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About: helping me to solve the problems with DomJudge
by Bình Dương, Tran 17 Sep '17

17 Sep '17

Hi, I'm from FPT University in Viet Nam. I'm a coacher of ACM Teams in my university this year. I installed DomJudge successfully ( including domserver and judgehost ) and work with them well. But I faced with two following problems: 1. The judgehost isn't able to judge with Java Code. (I attached an image for the problem) [image: Hình ảnh nội tuyến 2] 2. I still don't know how to set custom_checking script in case of some special problems in a contest which contains statements indicate that it has multiple optimal solution depending on developer. Could you explain and give me an example for that case. ( I can't find any explicit example ) My Best Regards, -- [image: Điện thoại: (04) 37687717 – Máy lẻ: 100] <http://Email:%20linhpt@fpt.edu.vn/> Thanks & Best regards ------------------------------------ *TRẦN BÌNH DƯƠNG * Giảng viên bộ môn Công Nghệ Phần mềm Trường Đại học FPT Tel: (04) 37687717 – Máy lẻ: 104 Mobile: 0936 168 165 Email: duongtb(a)fe.edu.vn _______________________________________________________________________ The information in this e-mail and any attached files are CONFIDENTIAL and may be legally privileged or prohibited from disclosure and unauthorized use. The views of the author may not necessarily reflect those of the Company. It is intended solely for the addressee or the employee or agent responsible for delivering such materials to the addressee. If you have received this message in error please return it to the sender then delete the email and destroy any copies of it. If you are not the intended recipient, any form of reproduction, dissemination, copying, disclosure, modification, distribution and/or publication or any action taken or omitted to be taken in reliance upon this message or its attachments is prohibited and may be unlawful. At present the integrity of e-mail across the Internet cannot be guaranteed and messages sent via this medium are potentially at risk. All liability is excluded to the extent permitted by law for any claims arising as a result of the use of this medium to transmit information by or to FPT University.

2 3

JAVA cgroups help
by 이정진 10 Sep '17

10 Sep '17

Hi. I set cgroups for java, but it does not work and I have some ask. I proceeded to install cgroups as follows the manual 3.17. ======= sudo apt-get install libcgroup-dev sudo edit /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT="quiet cgroup_enable=memory swapaccount=1" sudo update-grub sudo reboot and I checked the cmdline. cat /proc/cmdline print is BOOT_IMAGE=/boot/.. ~~ ro quiet cgroup_enable=memory swapaccount=1 next sudo ./configure >>During the execution of this command, I confirmed the following message. *use Linux cgroups...: yes sudo make build sudo ./misc-tools/create_cgroups and then, I run judgedaemon. However, judgedamon displays the message "Not using cgroups". ======== Can you tell me where I made the mistake? thanks.

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