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Bug with Full Text functions ?

Wednesday, 20 November 2013 · 2 messages

Maud Ingarao20 Nov 2013 16:06 #

Hi everybody ! We are very excited that our BaseX kit for Digital Humanities Corpus is almost done and we look forward to presenting it to you ! We only have a last bug using the Full Text functions. The very same function call works fine through the rest api but generates a 500 Servor Internal Error through our restxq files. Example (you won't be able to access this private server) : http://ahn-basex.cbp.ens-lyon.fr:8984/rest/Desanti?query=count(collection('Desanti')/*[local-name() = 'ead']/*[local-name() = 'archdesc']/*[local-name() = 'dsc'] //*[local-name() = 'c']/*[local-name() = 'controlaccess']/*[local-name() = 'persname'][text() contains text 'Aristote']) works fine and returns the number of occurrences whereas let $occurrences := count(collection("Desanti")/*[local-name() = 'ead']/*[local-name() = 'archdesc']/*[local-name() = 'dsc']//*[local-name() = 'c'] /*[local-name() = 'controlaccess']/*[local-name() = 'persname'][text() contains text 'Aristote']) generates one of the two ERROR 500 below. PS : ft:count does't work and return 0 occurrences Thanks a lot und bis bald ! Maud and Nathalie HTTP ERROR 500 Problem accessing /desanti/catalogue. Reason: Unexpected error: Improper use? Potential bug? Your feedback is welcome: Contact: basex-talk at mailman.uni-konstanz.de Version: BaseX 7.7 Java: Sun Microsystems Inc., 1.6.0_27 OS: Linux, amd64 Stack Trace: java.lang.NullPointerException ------------------------------------------------------------------------ /Powered by Jetty:/// or HTTP ERROR 500 Problem accessing /brede/theme. Reason: Unexpected error: Improper use? Potential bug? Your feedback is welcome:

Contact: basex-talk at mailman.uni-konstanz.de
Version: BaseX 7.7
Java: Sun Microsystems Inc., 1.6.0_27
OS: Linux, amd64
Stack Trace:
java.lang.NullPointerException
    at org.basex.query.ft.FTContainsExpr.item(FTContainsExpr.java:44)
    at org.basex.query.ft.FTContainsExpr.item(FTContainsExpr.java:24)
    at org.basex.query.expr.ParseExpr.ebv(ParseExpr.java:92)
    at org.basex.query.expr.ParseExpr.test(ParseExpr.java:106)
    at org.basex.query.expr.Preds.preds(Preds.java:133)
    at org.basex.query.path.IterStep$1.next(IterStep.java:42)
    at org.basex.query.path.CachedPath.iter(CachedPath.java:103)
    at org.basex.query.path.CachedPath.iter(CachedPath.java:106)
    at org.basex.query.path.CachedPath.iter(CachedPath.java:72)
    at org.basex.query.expr.ParseExpr.ebv(ParseExpr.java:94)
    at org.basex.query.expr.ParseExpr.test(ParseExpr.java:106)
    at org.basex.query.expr.Preds.preds(Preds.java:133)
    at org.basex.query.path.IterStep$1.next(IterStep.java:42)
    at org.basex.query.path.IterStep$1.next(IterStep.java:31)
    at org.basex.query.path.IterPath$1.next(IterPath.java:70)
    at org.basex.query.path.IterPath$1.next(IterPath.java:41)
    at org.basex.query.gflwor.For$1.next(For.java:71)
    at org.basex.query.gflwor.Let$1.next(Let.java:74)
    at org.basex.query.gflwor.GFLWOR$2.next(GFLWOR.java:72)
    at org.basex.query.expr.Constr.add(Constr.java:66)
    at org.basex.query.expr.CElem.item(CElem.java:91)
    at org.basex.query.expr.CElem.item(CElem.java:23)
    at org.basex.query.expr.ParseExpr.value(ParseExpr.java:68)
    at org.basex.query.QueryContext.value(QueryContext.java:339)
    at org.basex.query.gflwor.Let$1.next(Let.java:75)
    at org.basex.query.gflwor.GFLWOR$2.next(GFLWOR.java:72)
    at org.basex.query.iter.Iter.value(Iter.java:64)
    at org.basex.query.expr.ParseExpr.value(ParseExpr.java:71)
    at org.basex.query.QueryContext.value(QueryContext.java:339)
    at org.basex.query.func.StaticFunc.invValue(StaticFunc.java:199)
    at org.basex.query.func.BaseFuncCall.value(BaseFuncCall.java:62)
    at org.basex.query.func.StaticFuncCall.iter(StaticFuncCall.java:84)
    at org.basex.query.gflwor.GFLWOR$2.next(GFLWOR.java:76)
    at org.basex.query.expr.Constr.add(Constr.java:66)
    at org.basex.query.expr.CElem.item(CElem.java:91)
    at org.basex.query.expr.CElem.item(CElem.java:23)
    at org.basex.query.expr.ParseExpr.value(ParseExpr.java:68)
    at org.basex.query.QueryContext.value(QueryContext.java:339)
    at org.basex.query.gflwor.Let$1.next(Let.java:75)
    at org.basex.query.gflwor.GFLWOR$2.next(GFLWOR.java:72)
    at org.basex.query.expr.Constr.add(Constr.java:66)
    at org.basex.query.expr.CElem.item(CElem.java:91)
    at org.basex.query.expr.CElem.item(CElem.java:23)
    at org.basex.query.expr.ParseExpr.value(ParseExpr.java:68)
    at org.basex.query.QueryContext.value(QueryContext.java:339)
    at org.basex.query.expr.Switch.value(Switch.java:91)
    at org.basex.query.QueryContext.value(QueryContext.java:339)
    at org.basex.query.gflwor.Let$1.next(Let.java:75)
    at org.basex.query.gflwor.GFLWOR$2.next(GFLWOR.java:72)
    at org.basex.query.expr.Constr.add(Constr.java:66)
    at org.basex.query.expr.CElem.item(CElem.java:91)
    at org.basex.query.expr.CElem.item(CElem.java:23)
    at org.basex.query.expr.ParseExpr.iter(ParseExpr.java:46)
    at org.basex.query.gflwor.GFLWOR$2.next(GFLWOR.java:76)
    at org.basex.query.iter.Iter.value(Iter.java:64)
    at org.basex.query.expr.ParseExpr.value(ParseExpr.java:71)
    at org.basex.query.QueryContext.value(QueryContext.java:339)
    at org.basex.query.func.StaticFunc.invValue(StaticFunc.java:199)
    at org.basex.query.func.BaseFuncCall.value(BaseFuncCall.java:62)
    at org.basex.query.QueryContext.value(QueryContext.java:339)
    at org.basex.query.value.item.FuncItem.invValue(FuncItem.java:180)
    at org.basex.query.func.DynFuncCall.value(DynFuncCall.java:58)
    at org.basex.query.func.DynFuncCall.iter(DynFuncCall.java:63)
    at org.basex.query.QueryContext.iter(QueryContext.java:328)
    at org.basex.query.expr.Constr.add(Constr.java:65)
    at org.basex.query.expr.CElem.item(CElem.java:91)
    at org.basex.query.expr.CElem.item(CElem.java:23)
    at org.basex.query.expr.ParseExpr.iter(ParseExpr.java:46)
    at org.basex.query.QueryContext.iter(QueryContext.java:328)
    at org.basex.query.expr.Constr.add(Constr.java:65)
    at org.basex.query.expr.CElem.item(CElem.java:91)
    at org.basex.query.expr.CElem.item(CElem.java:23)
    at org.basex.query.expr.ParseExpr.iter(ParseExpr.java:46)
    at org.basex.query.QueryContext.iter(QueryContext.java:328)
    at org.basex.query.expr.Constr.add(Constr.java:65)
    at org.basex.query.expr.CElem.item(CElem.java:91)
    at org.basex.query.expr.CElem.item(CElem.java:23)
    at org.basex.query.expr.ParseExpr.value(ParseExpr.java:68)
    at org.basex.query.QueryContext.value(QueryContext.java:339)
    at org.basex.query.func.StaticFunc.invValue(StaticFunc.java:199)
    at org.basex.query.func.BaseFuncCall.value(BaseFuncCall.java:62)
    at org.basex.query.QueryContext.value(QueryContext.java:339)
    at org.basex.query.value.item.FuncItem.invValue(FuncItem.java:180)
    at org.basex.query.func.DynFuncCall.value(DynFuncCall.java:58)
    at org.basex.query.func.DynFuncCall.iter(DynFuncCall.java:63)
    at org.basex.query.QueryContext.iter(QueryContext.java:328)
    at org.basex.query.expr.List$1.next(List.java:120)
    at org.basex.query.expr.Constr.add(Constr.java:66)
    at org.basex.query.expr.CElem.item(CElem.java:91)
    at org.basex.query.expr.CElem.item(CElem.java:23)
    at org.basex.query.expr.ParseExpr.value(ParseExpr.java:68)
    at org.basex.query.QueryContext.value(QueryContext.java:339)
    at org.basex.query.func.StaticFunc.invValue(StaticFunc.java:199)
    at org.basex.query.func.BaseFuncCall.value(BaseFuncCall.java:62)
    at org.basex.query.QueryContext.value(QueryContext.java:339)
    at org.basex.query.value.item.FuncItem.invValue(FuncItem.java:180)
    at org.basex.query.func.DynFuncCall.value(DynFuncCall.java:58)
    at org.basex.query.func.DynFuncCall.iter(DynFuncCall.java:63)
    at org.basex.query.QueryContext.iter(QueryContext.java:328)
    at org.basex.query.expr.List$1.next(List.java:120)
    at org.basex.query.expr.Constr.add(Constr.java:66)
    at org.basex.query.expr.CElem.item(CElem.java:91)
    at org.basex.query.expr.CElem.item(CElem.java:23)
    at org.basex.query.expr.ParseExpr.value(ParseExpr.java:68)
    at org.basex.query.QueryContext.value(QueryContext.java:339)
    at org.basex.query.func.StaticFunc.invValue(StaticFunc.java:199)
    at org.basex.query.func.TailFuncCall.value(TailFuncCall.java:47)
    at org.basex.query.QueryContext.value(QueryContext.java:339)
    at org.basex.query.func.StaticFunc.invValue(StaticFunc.java:199)
    at org.basex.query.func.BaseFuncCall.value(BaseFuncCall.java:62)
    at org.basex.query.func.StaticFuncCall.iter(StaticFuncCall.java:84)
    at org.basex.query.MainModule.iter(MainModule.java:93)
    at org.basex.query.QueryContext.iter(QueryContext.java:282)
    at org.basex.http.restxq.RestXqResponse.create(RestXqResponse.java:73)
    at org.basex.http.restxq.RestXqModule.process(RestXqModule.java:108)
    at org.basex.http.restxq.RestXqFunction.process(RestXqFunction.java:100)
    at org.basex.http.restxq.RestXqServlet.run(RestXqServlet.java:31)
    at org.basex.http.BaseXServlet.service(BaseXServlet.java:58)
    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:457)
    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:1075)
    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:384)
    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1009)
    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:489)
    at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:949)
    at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1011)
    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:668)
    at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
    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:679)

-- /« Ne travaillez jamais »/ *Maud Ingarao* IHPC (UMR 5037) Institut d'histoire de la pensée classique, de l'Humanisme aux Lumières Ecole Normale Supérieure de Lyon - Site Descartes - Bureau R322 15 Parvis René Descartes - BP7000 - 69342 Lyon CEDEX 07 +33 4 37 37 65 79 - maud.ingarao at ens-lyon.fr /Je suis absente le vendredi | Out of office on Fridays/ http://pensee-classique.ens-lyon.fr http://institutdesanti.ens-lyon.fr http://ahn.ens-lyon.fr http://www.mutec-shs.fr http://www.projet-plume.org http://www.cahier.paris-sorbonne.fr/

Christian Grün20 Nov 2013 22:44 #

Hi Maud, thanks for your e-mail. I’m pleased to hear you’ve nearly finished your work!

Quoted text · Maud Ingarao · 1 line

> We only have a last bug using the Full Text functions.

Out of curiosity: have you also tried 7.7.2 or the latest snapshot?

Quoted text · Maud Ingarao · 6 lines

> works fine and returns the number of occurrences whereas > let $occurrences := > count(collection("Desanti")/*[local-name() = 'ead']/*[local-name() = > 'archdesc']/*[local-name() = 'dsc']//*[local-name() = 'c'] > /*[local-name() = 'controlaccess']/*[local-name() = > 'persname'][text() contains text 'Aristote'])

…how does the full query look like? If I get it right, everything after "let $occurrences :=" is identical to the first query, and after that, something seems to be missing.. By the way, your query could probably be rewritten as follows: count(collection('Desanti')/ead/archdesc/dsc/c/controlaccess/persname[text() contains text 'Aristote']) If you use namespaces, and if you don’t want to specify them explicitly, you could prefix the local names with wildcards: count(collection('Desanti')/*:ead/*:archdesc/*:dsc/*:c/*:controlaccess/*:persname[text() contains text 'Aristote']) Looking forward to your feedback, Christian

Written for BaseX 7.7. BaseX may have changed since: please check the current documentation.

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