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Log4j vulnerability CVE-2021-44228
by Marc Coenegracht 13 Dec '21

13 Dec '21

Does Basex (9.x or 8.x) use Log4j in any of its components? If not, should one still worry about the JRE? Regards, Marc

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Changing BaseX GUI preferences is not restored after restart
by Kristian Kankainen 13 Dec '21

13 Dec '21

Hello, I have a strange behaviour with BaseX on MacOS X. I have multiple downloads of BaseX ZIP edition on my mac. They are in different folders. When I start the BaseX GUI from one of these folders (either with opening the basex.jar or running the bin/basexgui script) and inspect the Preferences General tab, I see the Database and Repository paths stating the wrong paths. Trying to open a database yields in a message stating there are no databases and asks whether I want to create one (I choose not to). If I choose the correct paths to the database and repository folders and choose quit from the menu and start the GUI again, then the values have been reverted to the old and wrong ones. Is there a way I can change these paths? Best regards, Kristian Kankainen

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How can I find the document a specific node belongs to?
by Timothée 12 Dec '21

12 Dec '21

Hello, I am trying to build a web application, powered by data served through BaseX. One of the use cases I have is that I want to find all "documents" that match a xquery. I have the following in a RESTXQ file: declare %rest:path("filter_by_author") %rest:GET %rest:query-param("name", "{$name}") function page:by_author($name as xs:string) { let $docs := db:node-id(db:open("sp")//head/meta[@name='author' and contains(lower-case(@content), lower-case(web:decode-url($name)))]) return <response> {for $node_id in distinct-values($docs) return <title value="{$node_id}" />} </response> }; As expected, this does not work because it returns the node IDs. How can I get the "document ID" or "document path" from a node? I understand XQuery does not know about files in a collection (I found the following thread / message in the archives about it: https://mailman.uni-konstanz.de/pipermail/basex-talk/2010-July/000499.html) - but is there a "db" function that would allow me to do it? Thanks for your help, - Tim

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Authentication in server protocol
by Ben Engbers 08 Dec '21

08 Dec '21

Hi Christian, All my previous packages for RBaseX were based on using a blocking socket. Every attempt to use a non-blocking socket failed because I couldn't authenticate. In R each read-operation on a blocking socket uses a timeout of at least 1 second. Consequence was that executing 53 tests on my pacakge took at least 116 seconds on my machine. I finally managed to use a non-blocking socket. Execution of the same tests now take 3.8 seconds. It showed that the crucial needed step was to introduce a sleep/wait between sending the authentication nonce and checking the statusbyte: code <- md5(paste(md5(code), nonce, sep = "")) %>% charToRaw() # send username + code auth <- c(charToRaw(username), as.raw(0x00), code, as.raw(0x00)) writeBin(auth, private$conn) ==> Sys.sleep(.1) Accepted <- readBin(conn, what = "raw", n = 1) ==0 My knowledge of working with sockets is limited so maybe you can answer my question. Does the need of using a sleep means I need to fix a bug in the R code or should I use a setting in BaseX that takes into account the required delay? Ben Engbers

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Re: [basex-talk] BaseX-Talk Digest, Vol 144, Issue 4
by Rob Stapper 08 Dec '21

08 Dec '21

Hi Bachir, I’m afraid I’m not much of a help because the whole docker-sharade is new to me. I did encounter the same problems as you. Can’t say that it is a bug , it is more the combination: OS, docker and BaseX concerning ownership of the mounted docker files. I got it running by logging in as superuser in the docker container as described in previous mail and running: - docker exec -u 0 -it <myrunningcontainer> bash - chown -R basex:basex basex This changed the ownership of the file for me. I also optimized the database-files through the BaseX’s DBA-webapplication. This is all the help I can get you. Have fun, Rob Sent from Mail for Windows From: basex-talk-request(a)mailman.uni-konstanz.de Sent: Wednesday, December 8, 2021 12:00 PM To: basex-talk(a)mailman.uni-konstanz.de Subject: BaseX-Talk Digest, Vol 144, Issue 4 Send BaseX-Talk mailing list submissions to basex-talk(a)mailman.uni-konstanz.de To subscribe or unsubscribe via the World Wide Web, visit https://mailman.uni-konstanz.de/mailman/listinfo/basex-talk or, via email, send a message with subject or body 'help' to basex-talk-request(a)mailman.uni-konstanz.de You can reach the person managing the list at basex-talk-owner(a)mailman.uni-konstanz.de When replying, please edit your Subject line so it is more specific than "Re: Contents of BaseX-Talk digest..." Today's Topics: 1. reply to 2. docker basexhttp wrong owner of /srv/basex/* (scbh) (Rob Stapper) 2. Re: reply to 2. docker basexhttp wrong owner of /srv/basex/* (scbh) (scbh) ---------------------------------------------------------------------- Message: 1 Date: Tue, 7 Dec 2021 12:37:00 +0100 From: Rob Stapper <r.stapper(a)lijbrandt.nl> To: "basex-talk(a)mailman.uni-konstanz.de" <basex-talk(a)mailman.uni-konstanz.de> Subject: [basex-talk] reply to 2. docker basexhttp wrong owner of /srv/basex/* (scbh) Message-ID: <fe337fd0-5751-11ec-aee6-005056998788(a)smtp.kpnmail.nl> Content-Type: text/plain; charset="utf-8" Hi Bach, Login as super-user[1] in your running container to change ownerschip. [1] docker exec -u 0 -it <myrunningcontainer> bash Succes, Rob Sent from Mail for Windows -- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus

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reply to 2. docker basexhttp wrong owner of /srv/basex/* (scbh)
by Rob Stapper 07 Dec '21

07 Dec '21

Hi Bach, Login as super-user[1] in your running container to change ownerschip. [1] docker exec -u 0 -it <myrunningcontainer> bash Succes, Rob Sent from Mail for Windows -- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus

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Didn't know ....
by Marco Lettere 07 Dec '21

07 Dec '21

Hi all, Just because "abc" || () returns "abc", it felt natural to me that <x attr="abc{()}"/> should return <x attr="abc"/> but I get <x attr=""/> instead. This is on a 9.6.1. I can't recall whether this has always been like that thus it's one of my xquery shortcomings or if actually something strange is going on here ... Thanks for clarifications. Marco.

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Output script-element with javascript source code
by Kristian Kankainen 07 Dec '21

07 Dec '21

Hi all, Can I somehow control the serialization of element contents? I want to use Xquery to generate parts of source code for javascript and put the generated code inside a script element on the webpage. Basically this: define function web:display-graph($term) { <script> { string-join(( 'd3.select("#graph").graphviz().renderDot(', "'digraph {a -> b}'", ');' ), out:nl()) } </script> } But it doesn't work as the > character gets replaced with its corresponding HTML entity >. Is there a way to circumvent this behaviour? Best regards Kristian Kankainen

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FW: creating basex jar-file in eclipse
by Rob Stapper 06 Dec '21

06 Dec '21

Hold yours horses. Just managed to build the jar-file with maven outside eclipse. There seems to be an issue with maven in version 2021-09. It is working now. Cheers, Rob Sent from Mail for Windows From: Rob Stapper Sent: Monday, December 6, 2021 4:42 PM To: basex-talk(a)mailman.uni-konstanz.de Subject: creating basex jar-file in eclipse Hi Cristian, I’m trying to build a basex jar file with eclipse under windows 10. But I can’t figure out how. I’m working with EclipseIDE 2021-09 under Windows. I’ve downloaded the BaseX-source from the git-repository. I’ve edited some code. I’m able to run basex with this new piece of functionality within Eclipse. But I have no clue how to build a jar-file in Eclipse. Any suggestions? Thanx in advance. Rob Stapper Sent from Mail for Windows -- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus

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docker basexhttp wrong owner of /srv/basex/*
by scbh 06 Dec '21

06 Dec '21

Hi, I'm new here, but i work since a few years on a vuejs client which is using basex as api. I had a docker environement running very well until recently, but now my basex container is launching correctly any more. In the basex container all folders inside /srv/basex are own by 1000:users instead of basex:basex, so basex gives permissions error. It's like if the line ```chown -R basex /srv``` of docker file is never fired ``` bash-4.4# echo "$PWD" /srv/basex bash-4.4# ls -ls total 12 4 drwxr-sr-x 2 1000 users 4096 Jul 26 11:38 data 4 drwxr-sr-x 2 1000 users 4096 Jul 26 11:38 repo 4 drwxr-sr-x 3 1000 users 4096 Dec 6 13:56 webapp ``` here are the logs of a simple ```docker run --name basexhttp --publish 1984:1984 --publish 8984:8984 basex/basexhttp:latest``` https://figureslibres.io/zerobin/?4e8c389730a39e67#Hzw8dqCkTuVvia8t3YimhLLd… i'm stuck with this problème for days now, please help thank you very much ! ps : the main project is here https://figureslibres.io/gogs/bachir/docker-gdp bach

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