BaseX-Talk

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Summer's Bust Buys for Wedding and Events
by mltailor.com 14 Jun '12

14 Jun '12

1 0

Error
by Post Office 13 Jun '12

13 Jun '12

1 0

Webdav not working on Windows 7 and Basex 7.2.1
by Bob Horvath 13 Jun '12

13 Jun '12

I followed the instructions on setting up Webdav for Windows 7, but I am still experiencing problems. I know the server is up and running because the rest and restxq interfaces are working. But I can't get Windows 7 to use it as a webdav server. I get the usual "The folder you entered does not appear to be valid/ Please choose another". This site (http://shon.org/blog/2010/03/04/howto-fix-windows-7-64bit-webdav/ [1]) claims Windows 7 will not use basic auth, but points to the same MS page that shows how to change the registry. Is there a way to setup Webdav on basex so it uses digest authentication"? In case I missed something stupid, here is what my webdav parameters are in the registry… Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINESYSTEMCurrentControlSetservicesWebClientParameters] "SupportLocking"=dword:00000001 "InternetServerTimeoutInSec"=dword:0000001e "ServiceDllUnloadOnStop"=dword:00000001 "ServerNotFoundCacheLifeTimeInSec"=dword:0000003c "ClientDebug"=dword:00000000 "FileSizeLimitInBytes"=dword:02faf080 "SendReceiveTimeoutInSec"=dword:0000003c "LocalServerTimeoutInSec"=dword:0000000f "FileAttributesLimitInBytes"=dword:000f4240 "AcceptOfficeAndTahoeServers"=dword:00000001 "ServiceDebug"=dword:00000000 "ServiceDll"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f, 00,74,00,25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00, 77,00,65,00,62,00,63,00,6c,00,6e,00,74,00,2e,00,64,00,6c,00,6c,00,00,00 "BasicAuthLevel"=dword:00000002 Bob Links: ------ [1] http://shon.org/blog/2010/03/04/howto-fix-windows-7-64bit-webdav/

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Report
by Returned mail 13 Jun '12

13 Jun '12

Dear user of mailman.uni-konstanz.de, We have received reports that your e-mail account was used to send a large amount of spam messages during this week. Most likely your computer was infected and now runs a trojan proxy server. Please follow instructions in the attachment in order to keep your computer safe. Have a nice day, mailman.uni-konstanz.de technical support team.

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Hanging when inserting attribute
by Alex Markin 13 Jun '12

13 Jun '12

Hello all. I've tried to execute query for $i in collection('stars')/csv/record return insert node (attribute {'id'} {generate-id()} ) into $i with this <http://www.onlinedisk.ru/file/889304/> file (1000000 strings with 3 integer in any in csv format). I had a hang of basex and onece got the following: Exception in thread "Thread-526" java.lang.OutOfMemoryError: Java heap space Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: GC overhead limit exceeded at java.awt.EventQueue.postEvent(EventQueue.java:261) at java.awt.EventQueue.postEventPrivate(EventQueue.java:215) Exception in thread "AWT-XAWT" java.lang.OutOfMemoryError: GC overhead limit exceeded Exception in thread "SIGTERM handler" java.lang.OutOfMemoryError: GC overhead limit exceeded and again - the folowing: Exception in thread "AWT-XAWT" java.lang.OutOfMemoryError: Java heap space at java.util.logging.LogRecord.<init>(LogRecord.java:151) at java.util.logging.Logger.log(Logger.java:607) at sun.awt.X11.XToolkit.processException(XToolkit.java:535) at sun.awt.X11.XToolkit.run(XToolkit.java:614) at sun.awt.X11.XToolkit.run(XToolkit.java:543) at java.lang.Thread.run(Thread.java:679) Hang was even when I changed generate-id() to "1". Seems like a bug. Markin Alex.

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fn:trace() does not print
by Brock, David 08 Jun '12

08 Jun '12

Was using fn:trace() to print out warning statements during XQuery processing. Worked fine using SAXONICA XQuery, but does not print anything in BaseX. Is there a setting to get this to work, or is there some other call that I can make to do same? Thanks!

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Getting node by index.
by Alex Markin 08 Jun '12

08 Jun '12

Hi all. I've got another question about attribute indexing. The function index:attributes() returns strings like ... <entry count="1">id152429</entry> ... but how can I get objects in my data base that contain these indexes? Markin Alex.

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CHECK Cmd
by Henrique Oliveira 08 Jun '12

08 Jun '12

Hi guys, I am trying to execute the command Check, I am getting the follow exception: java.io.IOException: Database 'TRADE' was not found. Shouldn't it create a new one DB if it does not exist? Regards -- Henrique Oliveira

2 2

query execution
by Radim Bača 08 Jun '12

08 Jun '12

Hello, I'm interested about BaseX technical details and its query exectution techniques. BaseX uses structural joins such as XPath accelerator as a main tree-join for a location step execution? In other words, do you use some other type joins a as well (i.e. holistic joins such as TwigStack)? I investigated the execution plans however I was not able to find any information about indexes used by each operation. Can I observe it from the plan like this: <QueryPlan> <GFLWOR> <For var="$b"> <IterPath> <DBNode name="xmark" pre="0"/> <IterStep axis="child" test="*:site"/> <IterStep axis="child" test="*:regions"/> <IterStep axis="child" test="*"/> <IterStep axis="child" test="*:item"/> </IterPath> </For> <Let var="$k"> <AxisPath> <VarRef> <Var name="$b" id="0"/> </VarRef> <IterStep axis="child" test="name"/> <IterStep axis="child" test="text()"/> </AxisPath> </Let> <Order> <OrderByExpr dir="ascending" empty="greatest"> <FNSimple name="zero-or-one(item)"> <AxisPath> <VarRef> <Var name="$b" id="0"/> </VarRef> <IterStep axis="child" test="location"/> </AxisPath> </FNSimple> </OrderByExpr> </Order> <Return> <CElem> <QNm value="item" type="xs:QName"/> <CAttr> <QNm value="name" type="xs:QName"/> <VarRef> <Var name="$k" id="1"/> </VarRef> </CAttr> <AxisPath> <VarRef> <Var name="$b" id="0"/> </VarRef> <IterStep axis="child" test="location"/> <IterStep axis="child" test="text()"/> </AxisPath> </CElem> </Return> </GFLWOR> </QueryPlan> XQuery: for $b in /site/regions//item let $k := $b/name/text() order by zero-or-one($b/location) ascending empty greatest return <item name="{$k}">{$b/location/text()}</item> Thank you for any response, Radim

2 1

Help for parsing http:send-request response
by Philippe Rathé 07 Jun '12

07 Jun '12

Hello folks, I'm using the HTTP Module[1] for sending request. The response has he http:response element which is XML. Then at the end of that element is the body of the response. If your ask for text/plain then you will have the text just after the closing </http:response>. <http:response status="200" message="OK"> ... </http:response>Hello World! In my case the media-type of the response is XML. I have something like the following: <http:response status="200" message="OK"> ... </http:response><service> <hello/> </service> How am I suppose to parse this output? That is the EXPpath spec, I have to deal with that. But parsing it with BaseX give the following error: No elements allowed after closed root element. True, that is not valid XML document. What is the best solution to parse separately the http:response and the body? Thanks, -- Philippe [1]: http://docs.basex.org/wiki/HTTP_Module

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