BaseX-Talk

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6 participants
5269 discussions

8.2.3 beta dba login_check and logout error
by James Ball 07 Jul '15

07 Jul '15

Hello, Is anyone else getting an error when logging in or logging out of the dba in 8.2.3 beta a09e2b9? (The login seems to work despite the error, but the log out doesn’t) Thanks, James HTTP ERROR 500 Problem accessing /dba/logout. Reason: Unexpected error: Improper use? Potential bug? Your feedback is welcome: Contact: basex-talk(a)mailman.uni-konstanz.de Version: BaseX 8.2.3 beta a09e2b9 Java: Oracle Corporation, 1.8.0_31 OS: Mac OS X, x86_64 Stack Trace: java.lang.ArrayIndexOutOfBoundsException: 1 at org.basex.query.func.admin.AdminWriteLog.item(AdminWriteLog.java:25) at org.basex.query.expr.ParseExpr.value(ParseExpr.java:64) at org.basex.query.QueryContext.value(QueryContext.java:421) at org.basex.query.expr.List.value(List.java:148) at org.basex.query.expr.gflwor.GFLWOR.value(GFLWOR.java:72) at org.basex.query.expr.TypeCheck.value(TypeCheck.java:127) at org.basex.query.QueryContext.value(QueryContext.java:421) at org.basex.query.func.StaticFunc.invValue(StaticFunc.java:192) at org.basex.query.func.FuncCall.invoke(FuncCall.java:87) at org.basex.query.func.FuncCall.value(FuncCall.java:60) at org.basex.query.func.FuncCall.iter(FuncCall.java:66) at org.basex.query.MainModule.iter(MainModule.java:110) at org.basex.query.QueryContext.iter(QueryContext.java:349) at org.basex.http.restxq.RestXqResponse.create(RestXqResponse.java:55) at org.basex.http.restxq.RestXqModule.process(RestXqModule.java:101) at org.basex.http.restxq.RestXqFunction.process(RestXqFunction.java:109) at org.basex.http.restxq.RestXqServlet.run(RestXqServlet.java:44) at org.basex.http.BaseXServlet.service(BaseXServlet.java:64) at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:503) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:429) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116) at org.eclipse.jetty.server.Server.handle(Server.java:370) at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494) at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:971) at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1033) at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644) at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235) at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82) at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:696) at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:53) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608) at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543) at java.lang.Thread.run(Thread.java:745)

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BaseX 8.2.2
by Christian Grün 06 Jul '15

06 Jul '15

Dear all, BaseX 8.2.2 has just been released! It contains all kinds of minor optimizations and bug fixes [1,2]. Since recently, we are adding new features of upcoming releases already in minor releases. This means that you can already use most of the features marked with "Version 8.3" in our documentation [3] with BaseX 8.2.2. Of course we won't offer features in minor releases that endanger backward compatibility. Enjoy, Christian [1] http://basex.org [2] https://github.com/BaseXdb/basex/commits/master [3] http://docs.basex.org

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Organizing Large Numbers of Small Documetns?
by Eliot Kimber 05 Jul '15

05 Jul '15

In my link management application I'm creating a potentially large number of small documents that will serve as a where-used index over the content documents. Are there any potential issues with how these documents are organized into directories within database? The simplest thing would be to put them into one directory but I could also organize them into one directory per document used (which would then result in one directory per document that has links to it, which in a DITA context would normally be one directory for each document as every document save a few should have at least one link to it). So if I had a repository with a 100,000 topics, each with at least one link, is it a problem to have either 100,000 * x files in one directory or 100,000 directories under one parent directory? I didn't see anything in the docs about limitations or practices for storing large numbers of documents. Thanks, Eliot ---- Eliot Kimber, Owner Contrext, LLC http://contrext.com

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ft:mark
by Lars Johnsen 05 Jul '15

05 Jul '15

The full text function ft:mark() puts a mark around each of the words that occur in a match, starting from the first matching word to the last, including stop words, except for punctuation characters. Is it possible to check for the kind of characters (or strings) that ft:mark() will skip when marking matches? Or, would it be possible to ask ft:mark() to put one marker for the whole match? The case I am using it for is to get the sequence of matching words within a match, and sometimes, for long strings, there may be several sequences. A contiguous sequence of marked elements maybe assumed to make up a match, while non contiguous do not. One marker around the match solves the problem, as would detecting characters that are never marked. Regards Lars G Johnsen National Library of Norway

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Re: [basex-talk] Run Queries in Background from RESTXQ App?
by Eliot Kimber 05 Jul '15

05 Jul '15

I think I wasn't thinking clearly about the problem. If I have a link from one page of the Web app to a REST URL, the results of that URL have to be shown so without using Javascript to submit the URL there will always be a separate result, which I can direct to a separate browser window. So it's not really an issue. And if I wanted things to be a bit more sophisticated I would use Javascript to submit the REST URL and manage the response, however long it took to return. Cheers, E. ---- Eliot Kimber, Owner Contrext, LLC http://contrext.com On 7/4/15, 1:26 PM, "Eliot Kimber" <basex-talk-bounces(a)mailman.uni-konstanz.de on behalf of ekimber(a)contrext.com> wrote: >I'm creating a RESTXQ-based Web application. One of things I need to do is >have a REST method that then does a potentially long-running operation >against the database. > >I don't see an obvious way to to start a long query and not have it block >in the this configuration. > >If I had a standalone client app (e.g., a Java app that provided the UI) >then it would be no problem, just create a new connection for the >long-running app. > >But in the context of a RESTXQ application is there a way to do it? I >didn't see anything obvious in the docs but I'm not sure I know what to >look for. > >Thanks, > >Eliot > >---- >Eliot Kimber, Owner >Contrext, LLC >http://contrext.com > > > >

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Run Queries in Background from RESTXQ App?
by Eliot Kimber 04 Jul '15

04 Jul '15

I'm creating a RESTXQ-based Web application. One of things I need to do is have a REST method that then does a potentially long-running operation against the database. I don't see an obvious way to to start a long query and not have it block in the this configuration. If I had a standalone client app (e.g., a Java app that provided the UI) then it would be no problem, just create a new connection for the long-running app. But in the context of a RESTXQ application is there a way to do it? I didn't see anything obvious in the docs but I'm not sure I know what to look for. Thanks, Eliot ---- Eliot Kimber, Owner Contrext, LLC http://contrext.com

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Execution problem
by IrisDeveloper development 02 Jul '15

02 Jul '15

Hello, I am executing following query in basex 8.2 let $a := <a>if a > 0 {sum((1,2,3))}</a> return $a o/p : <a>if a > 0 6</a> but when I am executing let $a := <a>if a < 0 {sum((1,2,3))}</a> return $a it gives me a error "Expecting element name , '<' found. Query works for '>' but not with '<'. Thanks Samby

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Mistake in the docs?
by Marco Lettere 02 Jul '15

02 Jul '15

Hi Christian, maybe there's a mistake in the docs on the db:create function. * db:create("DB", file:list('.'), map { 'ftindex': true() }) adds all files of the current working directory to a new database and creates a full-text index. I think an empty sequence is required as third parameter to fill the gap for paths parameter. Isn't it? If you agree I can fix it. Regards, Marco.

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JSON xml format
by Marco Lettere 01 Jul '15

01 Jul '15

Hello all, I'd like to know whether there is a formal specification (XSD, RelaxNG) of the format for expressing JSON in XML introduced with XQuery 1.0. The one used by xml-to-json to be clear. Thanks, Marco.

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Potential Bug - message from fulltext
by Lars Johnsen 30 Jun '15

30 Jun '15

When trying to to a full text index on a collection of texts, the process runs for a couple of hours with the exit message below - I think it is near completed. From the GUI, I have at least seen the progress bar get to around 80 %, so I think it is safe to assume that the error is connectedt the final stages. The texts are unstructured and represented as one line pr. book. Here is the result from the index process. Parameters set in GUI are: Norwegian Snowball, lemmatization, diacritics. There is set aside 30GB for the GUI. Path summary: doc(): 317259x, strings text: 317259x, leaf text(): 317259x, strings, leaf Here is the error message: Improper use? Potential bug? Your feedback is welcome: Contact: basex-talk(a)mailman.uni-konstanz.de Version: BaseX 8.2 beta 7d38949 Java: Oracle Corporation, 1.7.0_79 OS: Linux, amd64 Stack Trace: java.lang.NegativeArraySizeException at java.util.Arrays.copyOf(Arrays.java:2271) at org.basex.util.TokenBuilder.add(TokenBuilder.java:303) at org.basex.util.TokenBuilder.add(TokenBuilder.java:290) at org.basex.index.ft.FTBuilder.merge(FTBuilder.java:248) at org.basex.index.ft.FTBuilder.write(FTBuilder.java:155) at org.basex.index.ft.FTBuilder.index(FTBuilder.java:94) at org.basex.index.ft.FTBuilder.build(FTBuilder.java:102) at org.basex.index.ft.FTBuilder.build(FTBuilder.java:1) at org.basex.data.DiskData.createIndex(DiskData.java:195) at org.basex.core.cmd.ACreate.create(ACreate.java:117) at org.basex.core.cmd.CreateIndex.run(CreateIndex.java:62) at org.basex.core.Command.run(Command.java:398) at org.basex.core.Command.execute(Command.java:100) at org.basex.core.Command.execute(Command.java:123) at org.basex.gui.dialog.DialogProgress$1.run(DialogProgress.java:178) Regards Lars G Johnsen National Library of Norway

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