Dears,
till now I defined as "implements Serializable" the following classes:
* DataSourceSessionList
* DataSourceFactory
* DataSourceJDBC
but on this one I have three members that are transient (connection,
resultset and statement)
I haven't error messages anymore but I don't know the side effect of these
changes.
I want to run unit tests (I hope they are on the ant build.xml), if they are ok
does this mean that the changes are ok? Do the tests cover the code in a good
way?
Thanks
Ivan
*============================
*
Dears,
I'm trying to discover how to cluster a dbform application.
My environment is Jboss 4.0.4 and Postgresql ad DBMS.
To enable clustering Jboss (and also tomcat) need to replicate the HTTP
sessions from one node to another.
For this reason the Http session objects should containg "serializable
objects".
Now I'm a little confused on dbforms.
I'm trying to debug it to know which kind of object are stored on the
http session.
I discovered that DataSourceSessionList is added to the HttpSession with
the method
public static synchronized DataSourceSessionList getInstance.... in the
class.
Now if I'm right I should implement Serializable on this class. But the
same class contains an HashMap (ht) that contains DataSourceFactory
objects... so I should implement Serializable also in this class, then
for the same reason I must implement Serializable also in
DataSourceJDBC, and then on the SignleConnectionWrapper (or the
connection provider), and at the and I should have a Serializable JDBC
Driver... that's impossible.
Am I right? So is the "real db connection" stored (directly or
indireclty) on the session?
In your opinion is there a place where I can brake the "Serializable"
chain?
I know that the answer should be very difficult...
Thanks
Ivan
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