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Eric

> If I was to leave it the way it works now with out the rmi jdbc library
> would it work by order of execution?  Meaning who ever opens the database
> first does what it needs to do then the next request goes?

You shouldn't have two separate Java applications accessing the same
database at the same time unless they're both read only apps. If you have an
updating app then it must have exclusive access.

> What happens when a server like Tomcat is threaded?

Separate threads within the same app are OK. InstantDB will handle the table
locking and control access to multiple connections and/or threads, but they
must all be within the same Java Virtual Machine, i.e. there's only been one
Java command line being executed at any one time.

> WARNING: java.rmi.server.hostname property can't be read( access denied )

Make idb.jar and RmiJdbc.jar Java extensions by putting them in the
/jre/lib/ext directory or modify you security policy to allow read access
to the above property. See

http://instantdb.enhydra.org/software/documentation/network.html

Regards

Peter Hearty
Lutris Technologies (UK)
----- Original Message -----
From: "Eric Advincula" <eric07@earthlink.net>
To: <instantDB@enhydra.org>
Sent: Thursday, August 31, 2000 10:10 AM
Subject: Re: InstantDB: SQL Builder


>
>
> I tried the sample to and tried the first part to run the rmi:
> here is my batch file:
>
> set ProjectPath=c:\Temp
> set JarPath=c:\java\jar
> set
>
JarFiles=%JarPath%\RmiJdbc.jar;%JarPath%\idb.jar;%JarPath%\jta-spec1_0_1.jar
> ;
>
> @echo on
> java -classpath %JarFiles%%ProjectPath% RmiJdbc.RJJdbcServer
jdbc.idbDriver
>
> when I run it I get the following error:
> *** Can't register jdbc Driver for jdbc.idbDriver
> Error message is: jdbc.idbDriver
> Binding RmiJdbcServer...
> WARNING: java.rmi.server.hostname property can't be read( access denied )
> If you use java.rmi.server.hostname, set the corresponding property to
> "read" in your
> java.policy file
> RmiJdbcServer bound in rmi registry
>
>
> ----- Original Message -----
> From: "Peter Hearty" <peter.hearty@lutris.com>
> To: <instantDB@enhydra.org>
> Sent: Thursday, August 31, 2000 1:15 AM
> Subject: Re: InstantDB: SQL Builder
>
>
> > > Is this a stable and efficient solution?
> >
> > I'm not aware of any major problems with this approach. The RmiJdbc
driver
> > is open source so hopefully if there are any problems people will fix
them
> > as they pop up.
> >
> > Regards
> >
> > Peter Hearty
> > Lutris Technologies (UK)
> > ----- Original Message -----
> > From: "Eric Advincula" <eric07@earthlink.net>
> > To: <instantDB@enhydra.org>
> > Sent: Thursday, August 31, 2000 9:11 AM
> > Subject: Re: InstantDB: SQL Builder
> >
> >
> > > I saw that link you originally sent and I guess I mis-read it and
thanks
> > for
> > > clearing it up.
> > >
> >
> >
>
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