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Re: warning in server
On Wed, 07 Mar 2001, Priyaa wrote:
> hello,
>
> The problem has been rectified, now i am able to store the objects EData and
> ToDo.
>
> but in the server for each and every transaction i get an warning as
> follows:
Does this mean you get this exception for each method call from the client to
the server? (In most cases a transaction is a method call from the client to
the server)
Falko
>
>
> [warn] (691) InvokeServer: handleClientException():
> java.net.SocketException: Co
> nnection reset by peer: JVM_recv in socket input stream read
> java.net.SocketException: Connection reset by peer: JVM_recv in socket
> input stream read
> at java.net.SocketInputStream.socketRead(Native Method)
> at java.net.SocketInputStream.read(Unknown Source)
> at java.net.SocketInputStream.read(Unknown Source)
> at java.io.ObjectInputStream.peekCode(Unknown Source)
> at java.io.ObjectInputStream.refill(Unknown Source)
> at java.io.ObjectInputStream.readObject(Unknown Source)
> at java.io.ObjectInputStream.readObject(Unknown Source)
> at org.ozoneDB.DxLib.net.DxClient.receive(DxClient.java:83)
> at
> org.ozoneDB.DxLib.net.DxMultiServerClient.run(DxMultiServerClient.
> java:41)
> at java.lang.Thread.run(Unknown Source)
>
> how can i rectify this and why do i get this. Server and Client are the
> same machine.
> thanx
> bye
> priyaa
>
>
>
>
> ----- Original Message -----
> From: Priyaa <Priyaa@vdc.equadriga.com>
> To: <ozone-users@ozone-db.org>
> Sent: Wednesday, March 07, 2001 12:35 PM
> Subject: Re: Object is not Serializable - Exception
>
>
> > hai,
> >
> > as per ur suggestion i have implemented Serilizable interface in both of
> my
> > classes (EData and ToDo). but i still get Serializable exception. but
> > previously it was "unexpected exception" and now it is "Transaction
> > Exception".
> >
> > The exception that i get is:
> >
> > org.ozoneDB.TransactionExc: java.io.NotSerializableException: ToDo [code:
> 2]
> > at
> > org.ozoneDB.ExternalDatabase.sendCommand(ExternalDatabase.java:402)
> > at
> > org.ozoneDB.ExternalDatabase.sendCommand(ExternalDatabase.java:376)
> > at
> > org.ozoneDB.ExternalDatabase.createObject(ExternalDatabase.java:615)
> > at
> > org.ozoneDB.ExternalDatabase.createObject(ExternalDatabase.java:609)
> > at MyApp.main(MyApp.java:14)
> >
> >
> > i have the proxy class only for EData and not for ToDo. ToDo's object is
> an
> > attribute in EData.
> > thanx for ur immediate response.
> > bye
> > priyaa
> >
> >
> >
> >
> > ----- Original Message -----
> > From: Falko Braeutigam <falko@smb-tec.com>
> > To: Priyaa <Priyaa@vdc.equadriga.com>; <ozone-users@ozone-db.org>
> > Sent: Wednesday, March 07, 2001 12:34 AM
> > Subject: Re: Object is not Serializable - Exception
> >
> >
> > > On Tue, 06 Mar 2001, Priyaa wrote:
> > > > >%_Hai,
> > > >
> > > > Actually i have class CarImpl which has a attribute wheelList of type
> > Vector, the elements that i store in this wheelList is an object of type
> > Wheel.
> > > >
> > > > Now, i want to store the CarImpl object in the Ozone database,
> > > > do i need to create an Impl class and a proxy class for Wheel Object.
> > > > or the CarImpl by itself stores the Wheel object also.
> > >
> > > Depends on the design of your application. If there are not too much and
> > > small Wheel objects that no other object than the enclosing CarImpl
> > objects
> > > needs to directly access, then Wheel objects should not be a database
> > object.
> > > Thus no proxies and Impls are needed.
> > >
> > > >
> > > > the above mentioned is my basic doubt. but i have tested this concept
> > in both the ways.
> > > > in both the ways it gives me an unexpected exception: wheelImpl is not
> > serilizable.(this error occurs even when i am creating proxy class for
> wheel
> > object )
> > >
> > > This probably has nothing to do with the above. It simply means that
> your
> > > Whell(Impl) class is not serializable.
> > >
> > >
> > > Falko
> > > --
> > > ______________________________________________________________________
> > > Falko Braeutigam mailto:falko@smb-tec.com
> > > SMB GmbH http://www.smb-tec.com
> > >
> >
--
______________________________________________________________________
Falko Braeutigam mailto:falko@smb-tec.com
SMB GmbH http://www.smb-tec.com