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From "Will Glass-Husain" <wglasshus...@gmail.com>
Subject Re: ClassCastException
Date Thu, 03 May 2007 22:52:15 GMT
Very odd.

One more question - does this occur with a single user, or does it only
occur in a multiple user / multithreaded situation (e.g. on a web server).

Also, can you provide the complete stack trace?  What type of class is it
trying to cast to?

WILL

On 5/3/07, ETsifrina <etsifrina@chessys.com> wrote:
>
>
> We've upgraded to Velocity 1.5 and Velocity Tools 1.3 (we were using 1.1
> before).
> The exception still persists.
>
> More info:
> The exception is reproducible only with large datasets (we have 7400
> entries), but not with 2-200 entries.
> It appears to have something to do with nested formatting as in:
>
> $formatter.fixedWidth($formatter.currency($!{
> templateitem.Transaction.transAmount},2,true),16,true,0)
>
> We haven't been able to pinpoint the problem to specific set of data -
> failure appears random, but we can't confirm that.
> Is there something special in the currency formatter in terms of not being
> able to handle certain types of data?
> Is there another way to achieve the nested functionality?
> Is there anything else you can recommend?
>
> Elena
>
>
> Will Glass-Husain-2 wrote:
> >
> > Try upgrading to Velocity 1.5.  We fixed several critical race
> conditions
> > after that beta.
> >
> > WILL
> >
> > On 5/3/07, ETsifrina <etsifrina@chessys.com> wrote:
> >>
> >>
> >> We are using velocity-1.5-beta1
> >>
> >>
> >> Will Glass-Husain-2 wrote:
> >> >
> >> > What version of Velocity are you using?  Velocity 1.5 fixes a couple
> of
> >> > race
> >> > conditions that cause exceptions under high volume use.
> >> >
> >> > WILL
> >> >
> >> > On 5/2/07, ETsifrina <etsifrina@chessys.com> wrote:
> >> >>
> >> >>
> >> >> We are using Velocity templates to export data from our app into a
> >> file.
> >> >> We are getting the following exception on occasion, however it is
> not
> >> >> consistently reproducible.
> >> >> We have checked the data, thinking that one of the more unual
> >> characters
> >> >> in
> >> >> the data might be responsible, but to no avail.  Perhaps someone
> here
> >> >> might
> >> >> shed some light on the problem.
> >> >>
> >> >> Here is the export template that is used:
> >> >> #set ($GLExportQueueItemglSignmap = {"D":"+","C":"-"})
> >> >>
> >> >> #foreach($templateitem in $templatecollection)
> >> >> $formatter.substring($!{templateitem.Transaction.AccountIDNumber
> >> >> },0,16)$formatter.date($!{templateitem.Transaction.postDate
> >> >> },"yyyyMMdd")$formatter.date($!{
> templateitem.Transaction.effectiveDate
> >> >> },"yyyyMMdd")$formatter.substring($!{
> >> >> templateitem.Transaction.transactionType
> },0,2)$formatter.substring($!{
> >> >> templateitem.Transaction.debitOrCredit
> >> >> },0,1)$formatter.fixedWidth($formatter.currency($!{
> >> >> templateitem.Transaction.transAmount
> >> >> },2,true),16,true,0)$formatter.fixedWidth($!{
> >> >> templateitem.Transaction.userRef1},16)$formatter.fixedWidth($!{
> >> >> templateitem.Transaction.userRef2},16)$formatter.fixedWidth($!{
> >> >> templateitem.Transaction.userRef3},16)$formatter.fixedWidth($!{
> >> >> templateitem.Transaction.userRef4},16)$formatter.fixedWidth($!{
> >> >> templateitem.Transaction.userRef5},16)$formatter.fixedWidth($!{
> >> >> templateitem.Transaction.detailInfo},40)$formatter.substring($!{
> >> >> templateitem.GLExportQueueItem.glAccountNumber
> >> >> },0,40)$formatter.mapTool($GLExportQueueItemglSignmap,$!{
> >> >> templateitem.GLExportQueueItem.glSign
> >> >> })$formatter.fixedWidth($formatter.currency($!{
> >> >> templateitem.GLExportQueueItem.glAmount
> >> >> },2,true),16,true,0)$formatter.fixedWidth($!{
> >> >> templateitem.Transaction.tranID},16,true,0)
> >> >> #end
> >> >>
> >> >> Thanks in advance,
> >> >>      Elena
> >> >>
> >> >>
> >> >> sun.reflect.GeneratedMethodAccessor11176.invoke(Unknown Source)
> >> >> sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> >> >> java.lang.reflect.Method.invoke(Unknown Source)
> >> >>
> >>
> org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(
> >> >> UberspectImpl.java:249)
> >> >> org.apache.velocity.runtime.parser.node.ASTMethod.execute(
> >> ASTMethod.java
> >> >> :215)
> >> >> org.apache.velocity.runtime.parser.node.ASTReference.execute(
> >> >> ASTReference.java:181)
> >> >> org.apache.velocity.runtime.parser.node.ASTReference.render(
> >> >> ASTReference.java:229)
> >> >> org.apache.velocity.runtime.parser.node.ASTBlock.render(
> ASTBlock.java
> >> :57)
> >> >> org.apache.velocity.runtime.directive.Foreach.render(Foreach.java
> :414)
> >> >> org.apache.velocity.runtime.parser.node.ASTDirective.render(
> >> >> ASTDirective.java:117)
> >> >> org.apache.velocity.runtime.parser.node.SimpleNode.render(
> >> SimpleNode.java
> >> >> :235)
> >> >> org.apache.velocity.app.Velocity.evaluate(Velocity.java:287)
> >> >> org.apache.velocity.app.Velocity.evaluate(Velocity.java:183)
> >> >> ...
> >> >> --
> >> >> View this message in context:
> >> >> http://www.nabble.com/ClassCastException-tf3683800.html#a10296477
> >> >> Sent from the Velocity - User mailing list archive at Nabble.com.
> >> >>
> >> >>
> >> >>
> ---------------------------------------------------------------------
> >> >> To unsubscribe, e-mail: user-unsubscribe@velocity.apache.org
> >> >> For additional commands, e-mail: user-help@velocity.apache.org
> >> >>
> >> >>
> >> >
> >> >
> >> > --
> >> > Forio Business Simulations
> >> >
> >> > Will Glass-Husain
> >> > wglass@forio.com
> >> > www.forio.com
> >> >
> >> >
> >>
> >> --
> >> View this message in context:
> >> http://www.nabble.com/ClassCastException-tf3683800.html#a10305925
> >> Sent from the Velocity - User mailing list archive at Nabble.com.
> >>
> >>
> >> ---------------------------------------------------------------------
> >> To unsubscribe, e-mail: user-unsubscribe@velocity.apache.org
> >> For additional commands, e-mail: user-help@velocity.apache.org
> >>
> >>
> >
> >
> > --
> > Forio Business Simulations
> >
> > Will Glass-Husain
> > wglass@forio.com
> > www.forio.com
> >
> >
>
> --
> View this message in context:
> http://www.nabble.com/ClassCastException-tf3683800.html#a10314268
> Sent from the Velocity - User mailing list archive at Nabble.com.
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: user-unsubscribe@velocity.apache.org
> For additional commands, e-mail: user-help@velocity.apache.org
>
>


-- 
Forio Business Simulations

Will Glass-Husain
wglass@forio.com
www.forio.com

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