I am using the following mysql driver
-rwxr-xr-x 1 Administ Aucun 321671 Jul 2 13:47 /c/bryan-website/jakarta
-tomcat-5.0.14/common/lib/mysql-connector-java-3.1.1-alpha-bin.jar
and it has worked fine for me previously .
I would carry out some checks on the struts action to verify the size
of the data.
Also check for the following
<form enctype="multipart/form-data"
--b
On Fri, 30 Jul 2004 12:30:45 +0200, Mark Lowe <[EMAIL PROTECTED]> wrote:
> Hi Bryan
>
> Just downloaded the latest, but the action just prints a test message..
>
> System.out.println("at least i managed to get called");
>
> The problem isn't with form file, thats fine.. Its when I try and save
> to the db
>
> //hibernate stuff
>
> /**
> * @hibernate.property column="image" type="blob"
> */
> public byte[] getImage() {
> return image;
> }
>
> public void setImage(byte[] image) {
> this.image = image;
> }
>
> Now i created a custom user type like were required with older versions
> of hibernate..
>
> /**
> * @hibernate.property column="image"
> type="com.sparrow.hibernate.type.Image"
> */
>
> http://www.hibernate.org/73.html
>
> but when i try and save now i get a null pointer exception with not
> much else to go on (before it was a class cast exception). I'd have
> thought that creating a custom user type was a bit old hat as 2.0 loved
> it..
>
> The only other thing i can think its down to is the jdbc driver.. Which
> i'm investigating now.
>
>
>
>
> On 30 Jul 2004, at 12:08, Bryan Hunt wrote:
>
> > My app is able to do it no problem, back and forth.
> >
> > You can get the source code from http://jestate.revoltingdigits.com/
> >
> > ie.jestate.struts.action.ImageUploadAction
> >
> > My code is a mess at the moment but that code is working.
> >
> > --b
> >
> >
> > Mark Lowe wrote:
> >
> >> I've had the same thing happen using DBCP and C3PO, I believe its the
> >> driver rather than the pooling. As I said we've a app thats live, and
> >> i haven't touched it in months using DBCP.
> >>
> >> [OT] subject change.. Have you had any joy with byte[] to blob
> >> mapping for file uploads with hibernate 2.1.4? I created a custom
> >> usertype, but i get a npe. 2.0 delbt with life, but things appear to
> >> have taken a step backwards. (please dont make me go the the scary
> >> hibernate forum :) )
> >>
> >>
> >> On 30 Jul 2004, at 11:34, Joe Hertz wrote:
> >>
> >>> I noticed this behavior with 3.0.14.
> >>>
> >>> This _really_ sounds like this entry in the Hibernate FAQ to me:
> >>>
> >>> http://www.hibernate.org/117.html#A13
> >>>
> >>> I wouldn't use DBCP though as Gavin King is apparently fed up with
> >>> it,
> >>> and built-in support for it is being yanked in the next major
> >>> version of
> >>> Hibernate.
> >>>
> >>>> -----Original Message-----
> >>>> From: Marco Mistroni [mailto:[EMAIL PROTECTED]
> >>>> Sent: Friday, July 30, 2004 5:08 AM
> >>>> To: 'Struts Users Mailing List'
> >>>> Subject: RE: OT/ Tomcat, Hibernate and MYSQL problem
> >>>>
> >>>>
> >>>> Hello,
> >>>> If I remember correct, mysql connector 3.0.11
> >>>>
> >>>> Regards
> >>>> marco
> >>>>
> >>>> -----Original Message-----
> >>>> From: Mark Lowe [mailto:[EMAIL PROTECTED]
> >>>> Sent: 30 July 2004 09:36
> >>>> To: Struts Users Mailing List
> >>>> Subject: Re: OT/ Tomcat, Hibernate and MYSQL problem
> >>>>
> >>>> Marco
> >>>>
> >>>> What jdbc driver are you using?
> >>>>
> >>>> They was a shady version 3 behaving like this.
> >>>>
> >>>>
> >>>> On 30 Jul 2004, at 10:05, Joe Hertz wrote:
> >>>>
> >>>>> Hibernate's internal connection pooling isn't meant for production
> >>>>> because it does things just like that.
> >>>>>
> >>>>> Suggest you use c3p0 for the pooling.
> >>>>>
> >>>>>> From my hibernate.cfg.xml, I only had to add this:
> >>>>>
> >>>>>
> >>>>> <property name="c3p0.minPoolSize">5</property>
> >>>>> <property name="c3p0.maxPoolSize">20</property>
> >>>>> <property name="c3p0.timeout">1800</property>
> >>>>> <property name="c3p0.max_statement">50</property>
> >>>>>
> >>>>> HTH
> >>>>>
> >>>>> -Joe
> >>>>>
> >>>>>
> >>>>>> -----Original Message-----
> >>>>>> From: Marco Mistroni [mailto:[EMAIL PROTECTED]
> >>>>>> Sent: Friday, July 30, 2004 3:58 AM
> >>>>>> To: 'Struts Users Mailing List'
> >>>>>> Subject: OT/ Tomcat, Hibernate and MYSQL problem
> >>>>>>
> >>>>>>
> >>>>>> Hello,
> >>>>>>
> >>>>>> First of all, I apologize for the off topic issue..
> >>>>>> I know this is not the list, but I tried hibernate forums, and
> >>>>>> Searched the web with no solution.. hopefully some of u
> >>>>>
> >>>> had the Same
> >>>>
> >>>>>> problem and solved it..
> >>>>>>
> >>>>>>
> >>>>>> I m experiencing problems with Hibernate in tomcat,
> >>>>>
> >>>> talking to mysql.
> >>>>
> >>>>>>
> >>>>>> My situation is that I didn't define any connection pools
> >>>>>
> >>>> in tomcat,
> >>>>
> >>>>>> but left it to Hibernate to handle that...
> >>>>>>
> >>>>>> After leaving the application running for 11 hours, I got
> >>>>>
> >>>> following
> >>>>
> >>>>>> exception
> >>>>>>
> >>>>>> hi all,
> >>>>>> i have a webapp taht uses Hibernate and MYSQL, running on top of
> >>>>>> tomcat.
> >>>>>>
> >>>>>> i am letting Hibernate handle the connections to mysql db, since i
> >>>>>> have no connection pools defined in tomcat. after running the
> >>>>>> application for nearly 9 hours, when i tried to use my app
> >>>>>
> >>>> to connect
> >>>>
> >>>>>> to the database i got following exception:
> >>>>>>
> >>>>>> Caused by: net.sf.hibernate.JDBCException: Could not
> >>>>>
> >>>> execute query at
> >>>>
> >>>>>> net.sf.hibernate.impl.SessionImpl.find(SessionImpl.java:1476)
> >>>>>> at net.sf.hibernate.impl.QueryImpl.list(QueryImpl.java:45)
> >>>>>> at com.myapp.hibernate.HibernatePersistenceManager.query(Hibernat
> >>>>>> ePersisten
> >>>>>> ceManager.java:205)
> >>>>>> ... 31 more
> >>>>>> Caused by: java.sql.SQLException: Communication link failure:
> >>>>>> java.net.SocketException, underlying cause: Software caused
> >>>>>
> >>>> connection
> >>>>
> >>>>>> abort: recv failed
> >>>>>>
> >>>>>> ** BEGIN NESTED EXCEPTION **
> >>>>>>
> >>>>>> java.net.SocketException
> >>>>>> MESSAGE: Software caused connection abort: recv failed
> >>>>>>
> >>>>>> STACKTRACE:
> >>>>>>
> >>>>>> java.net.SocketException: Software caused connection abort: recv
> >>>>>> failed
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> now i have searched the web and found two possible
> >>>>>
> >>>> alternatives.. one
> >>>>
> >>>>>> was to add following problems to hibernate config file.. <property
> >>>>>> name="connection.autoReconnect">true</property>
> >>>>>> <property name="connection.autoReconnectForPools">true</property>
> >>>>>> <property
> >>>>>> name="connection.is-connection-validation-required">true</
> >>>>>> property>
> >>>>>>
> >>>>>>
> >>>>>> but this does not work, as ihave added thos eproperties to
> >>>>>
> >>>> hibernate
> >>>>
> >>>>>> properties file and i am still getting same exception
> >>>>>>
> >>>>>>
> >>>>>> then I tried to add ?autoReconnect=true to JBDC URL, but
> >>>>>
> >>>> that didn't
> >>>>
> >>>>>> work either coz I left application running for 11 hours and after
> >>>>>> that I got same exception...
> >>>>>>
> >>>>>> can anyone help me out?
> >>>>>>
> >>>>>> THANX in advance and regards
> >>>>>> marco
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> l: [EMAIL PROTECTED]
> >>>>>>
> >>>>>>
> >>>>>>
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