I've got this in my pom.xml <dependency> <groupId>net.liftweb</groupId> <artifactId>lift-core</artifactId> <version>1.0</version> </dependency>
On Jan 5, 8:54 pm, David Pollak <feeder.of.the.be...@gmail.com> wrote: > On Tue, Jan 5, 2010 at 11:51 AM, Mads Hartmann <mads...@gmail.com> wrote: > > Sure thing, it's quite long though :) > > > Just one thing, i added the following for it to compile (I want to > > return List[User] not List[TagUser] : .map(_.user.obj.open_!) > > > So in all it looks like this > > > def getTopUsers(in: Int) :List[User] = { > > > TagUser.findAll(By(TagUser.tag, this.id), In(TagUser.user, User.id, > > OrderBy(User.followers_count, Descending), MaxRows[User](in))) > > .map(_.user.obj.open_!) > > > } > > What version of Lift? > > > > > > > Exception occured while processing / > > Message: java.lang.NullPointerException > > net.liftweb.mapper.In$$anon$3.<init>(MetaMapper.scala:1206) > > net.liftweb.mapper.In$.apply(MetaMapper.scala:1200) > > scalableKvidr.model.Tag.getTopUsers(Tag.scala:38) > > scalableKvidr.snippet.TagsSnippets$$anonfun$frontpageTags$1.apply > > (TagsSnippets.scala:71) > > scalableKvidr.snippet.TagsSnippets$$anonfun$frontpageTags$1.apply > > (TagsSnippets.scala:68) > > scala.List.flatMap(List.scala:1125) > > scalableKvidr.snippet.TagsSnippets.frontpageTags(TagsSnippets.scala: > > 67) > > sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > > sun.reflect.NativeMethodAccessorImpl.invoke > > (NativeMethodAccessorImpl.java:39) > > sun.reflect.DelegatingMethodAccessorImpl.invoke > > (DelegatingMethodAccessorImpl.java:25) > > java.lang.reflect.Method.invoke(Method.java:597) > > > net.liftweb.util.ClassHelpers$$anonfun$net$liftweb$util$ClassHelpers$ > > $_invokeMethod$2$$anonfun$apply$7.apply(ClassHelpers.scala:352) > > net.liftweb.util.ControlHelpers$class.tryo(ControlHelpers.scala:40) > > net.liftweb.util.Helpers$.tryo(Helpers.scala:29) > > net.liftweb.util.ControlHelpers$class.tryo(ControlHelpers.scala:55) > > net.liftweb.util.Helpers$.tryo(Helpers.scala:29) > > > net.liftweb.util.ClassHelpers$$anonfun$net$liftweb$util$ClassHelpers$ > > $_invokeMethod$2.apply(ClassHelpers.scala:352) > > > net.liftweb.util.ClassHelpers$$anonfun$net$liftweb$util$ClassHelpers$ > > $_invokeMethod$2.apply(ClassHelpers.scala:352) > > scala.Iterator$$anon$14.next(Iterator.scala:267) > > scala.Iterator$class.find(Iterator.scala:462) > > scala.Iterator$$anon$14.find(Iterator.scala:265) > > net.liftweb.util.ClassHelpers$class.net$liftweb$util$ClassHelpers$ > > $_invokeMethod(ClassHelpers.scala:353) > > net.liftweb.util.ClassHelpers$class.invokeMethod(ClassHelpers.scala: > > 285) > > net.liftweb.util.Helpers$.invokeMethod(Helpers.scala:29) > > net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33$$anonfun > > $apply$36$$anonfun$apply$38.apply(LiftSession.scala:723) > > net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33$$anonfun > > $apply$36$$anonfun$apply$38.apply(LiftSession.scala:705) > > net.liftweb.util.EmptyBox.openOr(Box.scala:372) > > net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33$$anonfun > > $apply$36.apply(LiftSession.scala:705) > > net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33$$anonfun > > $apply$36.apply(LiftSession.scala:705) > > net.liftweb.util.EmptyBox.openOr(Box.scala:372) > > net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33.apply > > (LiftSession.scala:704) > > net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33.apply > > (LiftSession.scala:704) > > net.liftweb.http.S$.doSnippet(S.scala:725) > > > net.liftweb.http.LiftSession$$anonfun$17.apply(LiftSession.scala:702) > > > net.liftweb.http.LiftSession$$anonfun$17.apply(LiftSession.scala:701) > > net.liftweb.util.Full.map(Box.scala:330) > > net.liftweb.http.LiftSession.net$liftweb$http$LiftSession$ > > $processSnippet(LiftSession.scala:701) > > net.liftweb.http.LiftSession$$anonfun$_defaultLiftTagProcessing > > $1.apply(LiftSession.scala:793) > > net.liftweb.http.LiftSession$$anonfun$_defaultLiftTagProcessing > > $1.apply(LiftSession.scala:777) > > net.liftweb.util.NamedPF.apply(NamedPartialFunction.scala:30) > > net.liftweb.util.NamedPF$.apply(NamedPartialFunction.scala:76) > > net.liftweb.http.LiftSession$$anonfun$processSurroundAndInclude$1$ > > $anonfun$apply$49.apply(LiftSession.scala:808) > > net.liftweb.http.LiftSession$$anonfun$processSurroundAndInclude$1$ > > $anonfun$apply$49.apply(LiftSession.scala:808) > > net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:65) > > net.liftweb.http.S$.setVars(S.scala:623) > > net.liftweb.http.LiftSession$$anonfun$processSurroundAndInclude > > $1.apply(LiftSession.scala:808) > > net.liftweb.http.LiftSession$$anonfun$processSurroundAndInclude > > $1.apply(LiftSession.scala:805) > > scala.Seq$class.flatMap(Seq.scala:294) > > scala.xml.NodeSeq.flatMap(NodeSeq.scala:34) > > net.liftweb.http.LiftSession.processSurroundAndInclude > > (LiftSession.scala:804) > > net.liftweb.http.LiftSession.net$liftweb$http$LiftSession$ > > $processSurroundElement(LiftSession.scala:948) > > net.liftweb.http.LiftSession$$anonfun$_defaultLiftTagProcessing > > $1.apply(LiftSession.scala:784) > > net.liftweb.http.LiftSession$$anonfun$_defaultLiftTagProcessing > > $1.apply(LiftSession.scala:777) > > net.liftweb.util.NamedPF.apply(NamedPartialFunction.scala:30) > > net.liftweb.util.NamedPF$.apply(NamedPartialFunction.scala:76) > > net.liftweb.http.LiftSession$$anonfun$processSurroundAndInclude$1$ > > $anonfun$apply$49.apply(LiftSession.scala:808) > > net.liftweb.http.LiftSession$$anonfun$processSurroundAndInclude$1$ > > $anonfun$apply$49.apply(LiftSession.scala:808) > > net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:65) > > net.liftweb.http.S$.setVars(S.scala:623) > > net.liftweb.http.LiftSession$$anonfun$processSurroundAndInclude > > $1.apply(LiftSession.scala:808) > > net.liftweb.http.LiftSession$$anonfun$processSurroundAndInclude > > $1.apply(LiftSession.scala:805) > > scala.Seq$class.flatMap(Seq.scala:294) > > scala.xml.NodeSeq.flatMap(NodeSeq.scala:34) > > net.liftweb.http.LiftSession.processSurroundAndInclude > > (LiftSession.scala:804) > > net.liftweb.http.LiftSession$$anonfun$8.apply(LiftSession.scala:462) > > net.liftweb.http.LiftSession$$anonfun$8.apply(LiftSession.scala:462) > > net.liftweb.util.Full.map(Box.scala:330) > > net.liftweb.http.LiftSession.processRequest(LiftSession.scala:462) > > net.liftweb.http.LiftServlet.net$liftweb$http$LiftServlet$ > > $dispatchStatefulRequest(LiftServlet.scala:244) > > net.liftweb.http.LiftServlet$$anonfun$2.apply(LiftServlet.scala:176) > > net.liftweb.http.LiftServlet$$anonfun$2.apply(LiftServlet.scala:176) > > net.liftweb.http.S$.net$liftweb$http$S$$wrapQuery(S.scala:398) > > net.liftweb.http.S$$anonfun$net$liftweb$http$S$$_nest2InnerInit$1$ > > $anonfun$apply$16.apply(S.scala:453) > > net.liftweb.http.S$.net$liftweb$http$S$$doAround(S.scala:372) > > net.liftweb.http.S$$anonfun$net$liftweb$http$S$$doAround$1.apply > > (S.scala:373) > > net.liftweb.mapper.DB$$anon$1.net$liftweb$mapper$DB$$anon$$doWith > > (DB.scala:117) > > net.liftweb.mapper.DB$$anon$1$$anonfun$net$liftweb$mapper$DB$$anon$ > > $doWith$1.apply(DB.scala:118) > > net.liftweb.mapper.DB$$anon$1$$anonfun$net$liftweb$mapper$DB$$anon$ > > $doWith$1.apply(DB.scala:118) > > net.liftweb.mapper.DB$.use(DB.scala:305) > > net.liftweb.mapper.DB$$anon$1.net$liftweb$mapper$DB$$anon$$doWith > > (DB.scala:118) > > net.liftweb.mapper.DB$$anon$1.apply(DB.scala:124) > > net.liftweb.http.S$.net$liftweb$http$S$$doAround(S.scala:373) > > net.liftweb.http.S$$anonfun$net$liftweb$http$S$$_nest2InnerInit > > $1.apply(S.scala:451) > > net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:65) > > net.liftweb.http.S$.net$liftweb$http$S$$_nest2InnerInit(S.scala:450) > > > net.liftweb.http.S$$anonfun$net$liftweb$http$S$$_innerInit$1$$anonfun > > $apply$19$$anonfun$apply$20$$anonfun$apply$21$$anonfun$apply$22$ > > $anonfun$apply$23$$anonfun$apply$24.apply(S.scala:471) > > net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:65) > > > net.liftweb.http.S$$anonfun$net$liftweb$http$S$$_innerInit$1$$anonfun > > $apply$19$$anonfun$apply$20$$anonfun$apply$21$$anonfun$apply$22$ > > $anonfun$apply$23.apply(S.scala:470) > > net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:65) > > > net.liftweb.http.S$$anonfun$net$liftweb$http$S$$_innerInit$1$$anonfun > > $apply$19$$anonfun$apply$20$$anonfun$apply$21$$anonfun$apply$22.apply > > (S.scala:469) > > net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:65) > > > net.liftweb.http.S$$anonfun$net$liftweb$http$S$$_innerInit$1$$anonfun > > $apply$19$$anonfun$apply$20$$anonfun$apply$21.apply(S.scala:468) > > net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:65) > > > net.liftweb.http.S$$anonfun$net$liftweb$http$S$$_innerInit$1$$anonfun > > $apply$19$$anonfun$apply$20.apply(S.scala:467) > > net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:65) > > > net.liftweb.http.S$$anonfun$net$liftweb$http$S$$_innerInit$1$$anonfun > > $apply$19.apply(S.scala:466) > > net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:65) > > net.liftweb.http.S$$anonfun$net$liftweb$http$S$$_innerInit$1.apply > > (S.scala:465) > > net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:65) > > net.liftweb.http.S$.net$liftweb$http$S$$_innerInit(S.scala:464) > > net.liftweb.http.S$$anonfun$_init$1$$anonfun$apply$27$$anonfun$apply > > $28$$anonfun$apply$29$$anonfun$apply$30.apply(S.scala:495) > > net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:65) > > net.liftweb.http.S$$anonfun$_init$1$$anonfun$apply$27$$anonfun$apply > > $28$$anonfun$apply$29.apply(S.scala:494) > > net.liftweb.http.RequestVarHandler$.apply(Vars.scala:191) > > net.liftweb.http.S$$anonfun$_init$1$$anonfun$apply$27$$anonfun$apply > > $28.apply(S.scala:493) > > net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:65) > > ... > > read more »
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