Re: jasper report doesn't like my EO
Re: jasper report doesn't like my EO
- Subject: Re: jasper report doesn't like my EO
- From: Theodore Petrosky <email@hidden>
- Date: Sat, 25 May 2013 12:31:22 -0700 (PDT)
I spoke too quickly. It seems that if I have the dispose() method I can rerun the JasperReport at will. So I thought it was fixed. if I log out and log in as a new user (creating a new session) I can not run the report. It hangs in the next() method.
Ted
--- On Sat, 5/25/13, Theodore Petrosky <email@hidden> wrote:
> From: Theodore Petrosky <email@hidden>
> Subject: Re: jasper report doesn't like my EO
> To: "Jesse Tayler" <email@hidden>
> Cc: "WebObjects Development" <email@hidden>
> Date: Saturday, May 25, 2013, 2:06 PM
> ok I found an answer!!!
>
> I had to add ec.dispose();
>
> to the finally section of Kieran's
> ERJRFetchSpecificationReportTask _call method.
>
> I will ask if there is a reason that this is needed. It must
> have something to do with the to_many relationship.
>
> oh well, I seem to recall when I listened to the
> JasperReports podcast, someone was asking about the
> dispose() method being called. That's what led me to try
> it.
>
> Ted
>
>
> --- On Sat, 5/25/13, Jesse Tayler <email@hidden>
> wrote:
>
> > From: Jesse Tayler <email@hidden>
> > Subject: Re: jasper report doesn't like my EO
> > To: "Theodore Petrosky" <email@hidden>
> > Cc: "WebObjects Development" <email@hidden>
> > Date: Saturday, May 25, 2013, 10:00 AM
> >
> > did you backtrace your hang to see where it is?
> >
> >
> >
> >
> >
> > On May 24, 2013, at 10:15 PM, Theodore Petrosky <email@hidden>
> > wrote:
> >
> > > I hope someone can help me with this.
> > >
> > > I am creating a report with a sub report. I have
> a
> > to-many relationship like this:
> > >
> > > project to-many projectSteps
> > >
> > > since I wanted to print a project with the steps
> > ordered by its dueBy date, I created:
> > >
> > > public JRBeanCollectionDataSource theSteps() {
> > > return new JRBeanCollectionDataSource(
> >
> ERXArrayUtilities.sortedArraySortedWithKey(this.projectSteps(),
> > "dueBy") );
> > > }
> > >
> > > This worked beautifully. I could print to
> JasperReports
> > and each row of projects would print its steps ordered
> by
> > the date.
> > >
> > > But now, if I try to print the report, it prints
> once
> > and hangs if I try to print it again.
> > >
> > > At first I thought that this was acting as if I
> had a
> > problem with a second thread was trying to access my
> EOs.
> > Except I am using ERJasperReports and it carefully
> creates a
> > new editingContext each time it is run. My next
> experiment
> > was to delete the subReport from my report and now it
> prints
> > multiple times with no problem.
> > >
> > > So I put the subReport back, and changed my
> method. I
> > eliminated the above method (theSteps()) and instead
> just
> > used the relationship as a field. I wanted to prove
> that my
> > method that is returning the JRBeanCollectionDataSource
> was
> > not the problem. So I created a field in iReport so
> > correspond to the relationship.
> > >
> > > So now I am using only the EO and its
> relationship
> > pieces.
> > >
> > > It fails exactly the same. It appears to fail in
> > ERJRFoundationDataSource's next() method.
> > ERJRFoundationDataSource implements JRDataSource.
> > >
> > > I am at a loss. Since each iteration uses a new
> > editingContext in a new thread, why is this failing? I
> want
> > to cry.
> > >
> > >
> > > I hope someone can help.
> > >
> > > Ted
> > >
> > >
> > >
> > >
> > >
> > >
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> >
>
>
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