BaseX-Talk

basex-talk@mailman.uni-konstanz.de

1 participants
5252 discussions

Fwd: Bug?
by Сергей Чесноков 13 Jul '15

13 Jul '15

Hi! What is it?: Unexpected error: Improper use? Potential bug? Your feedback is welcome: Contact: basex-talk(a)mailman.uni-konstanz.de Version: BaseX 8.2.2 Java: Oracle Corporation, 1.8.0_45 OS: Windows 7, amd64 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:146) at org.basex.query.expr.TypeCheck.value(TypeCheck.java:127) at org.basex.query.QueryContext.value(QueryContext.java:421) at org.basex.query.expr.If.value(If.java:133) 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.expr.If.value(If.java:133) 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.content(AbstractHttpConnection.java:982) at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1043) at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865) at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240) 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(Unknown Source) __________________________________________________________________________________________________________ and: message Unexpected error: Improper use? Potential bug? Your feedback is welcome: Contact: basex-talk(a)mailman.uni-konstanz.de Version: BaseX 8.2.2 Java: Oracle Corporation, 1.8.0_45 OS: Windows 7, amd64 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.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.QueryContext.value(QueryContext.java:421) at org.basex.query.expr.If.value(If.java:133) at org.basex.query.QueryContext.value(QueryContext.java:421) at org.basex.query.expr.If.value(If.java:133) 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.expr.If.value(If.java:133) 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:729) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:617) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:668) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1521) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1478) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Unknown Source) Sincerely, Sergey Chesnokov. ----------------------------------------------------------------------

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Why is $node/@attr != 'blue' false when $node is null?
by France Baril 10 Jul '15

10 Jul '15

The code below returns 'blue', but I was expecting 'not blue'. The class attribute on an empty node is null; null != blue. let $node := () return if($node/@class != 'blue') then 'not blue' else 'blue' -- France Baril Architecte documentaire / Documentation architect france.baril(a)architextus.com

2 2

DBA login error
by Tim Thompson 08 Jul '15

08 Jul '15

Hello, I'm a first-time BaseX user and have just downloaded version 8.2.2. When I start an HTTP server and attempt to log in to the DBA app with default admin credentials, I get an HTTP 500 error stating that there was a "Problem accessing /dba/login-check." However, if I go back and refresh the login page, I see that I have been logged in as admin and can access the DBA interface. Similarly, I get a 500 error when trying to access "/dba/logout." Is there something I have failed to configure? Thanks in advance, Tim Stack trace for "/dba/login-check" error: Version: BaseX 8.2.2 Java: Oracle Corporation, 1.7.0_60 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.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.QueryContext.value(QueryContext.java:421) at org.basex.query.expr.If.value(If.java:133) at org.basex.query.QueryContext.value(QueryContext.java:421) at org.basex.query.expr.If.value(If.java:133) 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.expr.If.value(If.java:133) 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.content(AbstractHttpConnection.java:982) at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1043) at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865) at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240) 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) -- Tim A. Thompson Metadata Librarian (Spanish/Portuguese Specialty) Princeton University Library

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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

1 0

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

2 2

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

2 2

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 > > > >

2 1

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

1 0

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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