BaseX-Talk

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4 participants
5268 discussions

nessus report caused an error
by Brown, David (SSC-A) 13 May '12

13 May '12

I am trying to convert a nessus file to a more useful report, something like this: Severity, Finding, Hosts, Associated CVEs Critical, RHSA-2012-0465: libsmbclient, (ip1, ip2), CVE-20xx-yyyy Query: for $x in //Report/ReportHost/ReportItem let $finding := string-join(data($x/cve),", ") where $x/risk_factor = "Critical" group by $finding order by $finding return for $x in //Report/ReportHost/ReportItem let $finding1 := string-join(data($x/cve),", ") let $host := data($x/../@name) where $finding1=$finding group by $finding1 order by $finding1 return <finding> <cve>{$finding1}</cve> <host>{$host}</host> </finding> Error: Improper use? Potential bug? Your feedback is welcome: Contact: basex-talk(a)mailman.uni-konstanz.de Version: BaseX 7.2.1 Java: Oracle Corporation, 1.7.0 OS: Windows 7, amd64 Stack Trace: java.lang.ClassCastException: org.basex.query.item.DBNodeSeq cannot be cast to org.basex.query.item.ANode org.basex.query.path.AxisPath.iter(AxisPath.java:273) org.basex.query.QueryContext.iter(QueryContext.java:275) org.basex.query.flwor.For$1.init(For.java:120) org.basex.query.flwor.For$1.next(For.java:84) org.basex.query.flwor.GFLWOR.iter(GFLWOR.java:320) org.basex.query.flwor.GFLWOR.iter(GFLWOR.java:295) org.basex.query.QueryContext.iter(QueryContext.java:275) org.basex.query.expr.ParseExpr.value(ParseExpr.java:69) org.basex.query.QueryContext.value(QueryContext.java:286) org.basex.query.flwor.Order.add(Order.java:76) org.basex.query.flwor.GroupPartition.ret(GroupPartition.java:148) org.basex.query.flwor.GFLWOR.iter(GFLWOR.java:302) org.basex.query.QueryContext.iter(QueryContext.java:275) org.basex.query.QueryContext.iter(QueryContext.java:229) org.basex.query.QueryContext.execute(QueryContext.java:448) org.basex.query.QueryProcessor.execute(QueryProcessor.java:94) org.basex.core.cmd.AQuery.query(AQuery.java:86) org.basex.core.cmd.XQuery.run(XQuery.java:22) org.basex.core.Command.run(Command.java:325) org.basex.core.Command.exec(Command.java:304) org.basex.core.Command.execute(Command.java:76) org.basex.gui.GUI.exec(GUI.java:390) org.basex.gui.GUI$6.run(GUI.java:342) v/r, David Brown Fully Qualified Navy Certification Agent LSS Certified Blackbelt, CISSP, NSA-IAM/IEM, MSCIS SPAWARSYSCEN ATLANTIC ISS LOB SSC Lead Email: <mailto:david.k.brown1@navy.mil> david.k.brown1(a)navy.mil Phone: 843.218.6227 DSN: 588.6227 Fax: 843.218.5461 "Let us not look back in anger or forward in fear, but around in awareness." James Thurber

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BaseXHTTP
by Philippe Rathé 13 May '12

13 May '12

Hello, can someone point me to instructions for running the http web server? org.basex.BaseXHTTP was not in the OSX BaseX distribution so I cloned basex-api and packaged it with maven. But I didn't know of the dependencies to include in the command line. I had finally the server started but it logs errors and does not answer on port 1984. Are there any instructions? Thanks.

2 2

Too Many Open Files
by Andreas Rulle 11 May '12

11 May '12

Hello BaseX-Experts! Let me first thank you who drive this fantastic BaseX project! For the use of BaseX as a backend to a soap-webservice project we have seen very encouraging load test results. On the systems that is intended to become productive very soon we see on a daily basis (on two database engines behind a load balancer) the following messages that terminate the execution of the Basex-server. Improper use? Potential bug? Your feedback is welcome: Contact: basex-talk(a)mailman.uni-konstanz.de Version: BaseX 7.2 Java: Sun Microsystems Inc., 1.6.0_20 OS: Linux, amd64 Stack Trace: java.net.SocketException: Too many open files java.net.PlainSocketImpl.socketAccept(Native Method) java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:375) java.net.ServerSocket.implAccept(ServerSocket.java:470) java.net.ServerSocket.accept(ServerSocket.java:438) org.basex.BaseXServer.run(BaseXServer.java:164) java.lang.Thread.run(Thread.java:636) The error message occurs when there are no client requests to the server. The load balancer might do some pinging. Any feedback and hint to this message is highly welcome! With best regards, Andreas -- Nexoma GmbH Theodorus Weg 7 59755 Arnsberg Geschäftsführer: Guido Sauerland Sitz der Gesellschaft: Arnsberg Registergericht: Arnsberg, HRB 9365

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Re: [basex-talk] Too Many Open Files
by Andreas Rulle 11 May '12

11 May '12

Hello Stefan, thank you for your quick response. For testing purposes the basex database is started within a screen and in this screen the number of open files has been set as recommended by you. It remains the vague feeling that this might only cure a symptom ... With best regards, Andreas > Hi Andreas, > > enter ulimit -n in the shell. It's probably 1024. > You can set it higher with ulimit -n 4096. But this works just for > one session. To make it persistent edit /etc/profile > > Kind regards, > > Stefan > > > > -- Nexoma GmbH Theodorus Weg 7 59755 Arnsberg Geschäftsführer: Guido Sauerland Sitz der Gesellschaft: Arnsberg Registergericht: Arnsberg, HRB 9365

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Preferred way to run BaseX as service on Debian
by Manuel Bernhardt 11 May '12

11 May '12

Hi, is there perhaps an init.d script somewhere already in order to launch basexserver as a service on Debian? So far it looks as though there isn't one in the Debian package, so I'm thinking of adding a line to rc.local to run it on startup. Also, from what I gathered, basex is now only available in sid, is that correct? I installed it on squeeze by downloading the deb, there's just one dependency on java-wrappers that I needed to install by hand. Thanks, Manuel

4 4

java.lang.NoClassDefFoundError
by Philippe Rathé 10 May '12

10 May '12

Hello, I just installed basex 7.2.1 for the first time. Then I would like to start the server so I can use a command line client to query it. But I got this error: $ java -cp BaseX.jar org.basex.BaseXServer Exception in thread "main" java.lang.NoClassDefFoundError: org/basex/BaseXServer Caused by: java.lang.ClassNotFoundException: org.basex.BaseXServer at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) I'm on OSX 10.7.4 BaseX is installed in /Applications/BaseX.app Thanks.

2 5

Fpml + Basex
by Henrique Oliveira 10 May '12

10 May '12

Folks, We are developing a financial system, it will deal mainly with xml(Fpml) files, so I think the best thing to do is using a xml db, we are evaluating some db, including Berkeley, MarkLogic, Sedna and of course Basex, Berkeley is open source but we can't use, you need to pay for that, MarkLogic is expensive, Sedna I don't know much and Basex looks great. My questions are: 1 - MarkLogic says support pentabytes of data, Berkeley says support up to 256TB, and Basex supports up to? 2 - How stable Basex is? 3 - Is it safe for financial institutions? Feel free to give me more information you believe is important. -- Henrique Oliveira

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Fwd: Re: Full-text search and mixed content - yet another ft question
by Leonard Wörteler 10 May '12

10 May '12

Oops, forgot the CC... -------- Original-Nachricht -------- Betreff: Re: [basex-talk] Full-text search and mixed content - yet another ft question Datum: Thu, 10 May 2012 09:37:05 +0200 Von: Leonard Wörteler <leo(a)woerteler.de> An: Manfred Knobloch <m.knobloch(a)iwm-kmrc.de> Dear Manfred, Am 10.05.2012 09:14, schrieb Manfred Knobloch: > When trying to get the title ('titel') of all nodes that contain > a search string 'mag' i get the following: > > doc('bilder')/bilder/bild[text() contains text 'mag' ]/titel > no result This query applies the fulltext query to all text nodes directly beneath `bild` elements, which probably isn't what you want to achieve (as no such nodes exists afaict). > doc('bilder')/bilder/bild[. contains text 'mag' ]/titel > 18 Hits Query Time about -> 950 ms This query can't be answered by the fulltext index because the matches could span across text-node borders but the index only indexes individual text nodes. The resulting iterative evaluation causes the slowness. > the following query produces the same result but is much faster > ft:search(doc('bilder'),'mag')/ancestor::*[local-name(.) = 'bild']/titel > 18 Hits Query Time less than -> 3 ms this query looks for 'mag' in all text nodes of the database and then ascends to the enclosing `bild` elements, that's answerable via the index. The same could be done by: doc('bilder')/bilder/bild[ .//text() contains text 'mag' ]/titel Hope that helps, Cheers, Leo

1 0

insert arbitrary files
by jidanni＠jidanni.org 10 May '12

10 May '12

How does one insert an arbitrary file. doc('q') parses it. How does one just, you know, #include q as in C?

2 8

Change default XML encoding
by Guillaume Perchais 09 May '12

09 May '12

Hello, I am using BaseX to scan XML files, and most files are using implicitely the ISO-8859-15 encoding. Unfortunately, it seems that the internal XML parser is using by default UTF-8 encoding. This doesn't seem to be specified in the configuration files, or GUI properties. Is there a way to force the internal parser to use another encoding? Many thanks, Guillaume

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