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From Michael Gentry <blackn...@gmail.com>
Subject Re: Aggregate function
Date Fri, 15 Jul 2016 18:15:39 GMT
Hi Nobu,

That's an odd limitation I wouldn't have expected to exist.  Can you share
how you were creating the runtime and calling AggregateUtils when it was
failing?

Thanks,

mrg


On Fri, Jul 15, 2016 at 1:46 PM, Harunobu Oyama <ho@telensa.com> wrote:

> Michael,
>
> Increasing the maximum connection did not help, but using Cayenne for
> something else beforehand solved the problem.
> I do not understand the logic behind it, but it seems AggregateUtils fails
> if it is CayenneRuntime's first customer.
>
> Problem sorted and the utility provides me the functionality I wanted.
>
> thank you,
> nobu
>
>
>
> On 15 July 2016 at 18:36, Michael Gentry <blacknext@gmail.com> wrote:
>
> > Hi Nobu,
> >
> > Try increasing your maximum connections.
> >
> > mrg
> >
> >
> > On Fri, Jul 15, 2016 at 1:26 PM, Harunobu Oyama <ho@telensa.com> wrote:
> >
> > > Michael,
> > >
> > > The min connection and max connection are both 1 as default.
> > >
> > > nobu
> > >
> > >
> > > On 15 July 2016 at 18:16, Michael Gentry <blacknext@gmail.com> wrote:
> > >
> > > > On Fri, Jul 15, 2016 at 12:39 PM, Harunobu Oyama <ho@telensa.com>
> > wrote:
> > > >
> > > > > Caused by: java.sql.SQLException: Can't obtain connection. Request
> > > timed
> > > > > out. Total used connections: 1
> > > > > at
> > > > >
> > > > >
> > > >
> > >
> >
> org.apache.cayenne.conn.PoolManager.uncheckPooledConnection(PoolManager.java:454)
> > > > > at
> > > >
> org.apache.cayenne.conn.PoolManager.getConnection(PoolManager.java:382)
> > > > > at
> > > >
> org.apache.cayenne.conn.PoolManager.getConnection(PoolManager.java:371)
> > > > > at
> > > > >
> > > > >
> > > >
> > >
> >
> org.apache.cayenne.configuration.server.DefaultDbAdapterFactory.detectAdapter(DefaultDbAdapterFactory.java:97)
> > > > > ... 15 more
> > > >
> > > >
> > > > Hi Nobu,
> > > >
> > > > Given this part of the exception, it seems it was unable to get a
> > > > connection to the database.  How is your connection pool configured?
> > Do
> > > > you only have one connection?
> > > >
> > > > mrg
> > > >
> > >
> >
>

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