The query originally was a freemarker template, something like
<d:literal>${querytext}*</d:literal> where the querytext was empty, a
bug in our application. We just found it weird behaviour it could
bring down the whole repository.With regards, Nick Stolwijk ~Java Developer~ Iprofs BV. Claus Sluterweg 125 2012 WS Haarlem www.iprofs.nl On Thu, Mar 5, 2009 at 4:02 PM, Ard Schrijvers <[email protected]> wrote: > On Thu, Mar 5, 2009 at 3:55 PM, Nick Stolwijk <[email protected]> wrote: >> We've encountered a problem with our dasl query, such that we can let >> the repository crash. It seems it goes wrong when executing a query >> which contains a <d:contains>*</d:contains>. >> >> I am running against Hippo Repository 1.2.15.1. I have written a >> simple testprogram using the Hippo Repository Adapter 2.12.00-dev (due >> to a concurrency bug in 2.11). My testprogram creates 20 threads which >> are going to execute the next query over and over having a little >> sleep between each execution. >> >> The query: >> >> <?xml version="1.0" encoding="UTF-8"?> >> <d:searchrequest xmlns:s="http://jakarta.apache.org/slide/"; >> xmlns:h="http://hippo.nl/cms/1.0"; xmlns:d="DAV:"> >> <d:basicsearch> >> <d:select> >> <d:prop> >> <s:nrHits /> >> <h:caption /> >> <h:index /> >> </d:prop> >> </d:select> >> <d:from> >> <d:scope> >> <d:href>content/</d:href> >> <d:depth>Infinity</d:depth> >> </d:scope> >> </d:from> >> <d:where> >> <d:contains>*</d:contains> >> </d:where> >> <limit xmlns="DAV:"> >> <nresults>12</nresults> >> <offset xmlns="http://jakarta.apache.org/slide/";>0</offset> >> </limit> >> <d:orderby> >> <d:order> >> <d:prop> >> <h:index /> >> </d:prop> >> <d:ascending /> >> </d:order> >> </d:orderby> >> </d:basicsearch> >> </d:searchrequest> >> >> It can crash the repository running with 512 MB memory, but with 1 GB >> it is also possible. (It takes just a minute longer or so) > > Well, the query ofcourse is strange to do. Most likely the repository > crashes because of lucene is loading all terms in memory. It thus also > depends on the size of your repository. If you take a look at a pid > file i suspect you seeing all memory beeing eating up by lucene. > > What are you trying to achieve anyway? > > Ard > >> >> Is this expected behaviour? >> >> Nick Stolwijk >> ~Java Developer~ >> >> Iprofs BV. >> Claus Sluterweg 125 >> 2012 WS Haarlem >> www.iprofs.nl >> ******************************************** >> Hippocms-dev: Hippo CMS development public mailinglist >> >> Searchable archives can be found at: >> MarkMail: http://hippocms-dev.markmail.org >> Nabble: http://www.nabble.com/Hippo-CMS-f26633.html >> >> > ******************************************** > Hippocms-dev: Hippo CMS development public mailinglist > > Searchable archives can be found at: > MarkMail: http://hippocms-dev.markmail.org > Nabble: http://www.nabble.com/Hippo-CMS-f26633.html > > ******************************************** Hippocms-dev: Hippo CMS development public mailinglist Searchable archives can be found at: MarkMail: http://hippocms-dev.markmail.org Nabble: http://www.nabble.com/Hippo-CMS-f26633.html
