Hi Jonathan,
We are using the new JDK for linux/x86 from sun and found it much more stable than the
blackdown release.
We are using 1.2.2 RC1 but an RC2(release candidate) is out. I think RC1 uses only
green threads but it
has a JIT.
I didn't pay much attention so if some if this info is wrong sorry but please give it
a try. Please take a
look if you didn't already know.
http://www.javasoft.com/features/1999/12/linux.html There is a link on this page but
you must have JDC
access.
I'm not sure what RC3 at blackdown is.
Eric :-)
Jonathan Whitehead wrote:
> I have a CMP entity bean mapped onto a database table containing 100
> records, each record contains a primary key integer and a data field of
> size 64Kbytes.
>
> My client repeatedly finds a record chosen at random and gets the data
> field. After about 90 records (i.e. about 6M of data) have been
> retrieved I get the following exception from the EJBServer:
>
> EntitySynchroImpl.beforeCompletion() : java.lang.OutOfMemoryError:
>
> The EJBServer continues, however, and subsequently the retrievals
> generate this exception intermittently. Sometimes the exception is
> passed onto the client, other times the retrieval completes but takes
> longer than normal (e.g. 10 seconds rather than 2).
>
> In our project we will typically be throwing around large amounts of
> data.
>
> If I can do anything to provide more information please let me know.
>
> BTW if I use java -Xmx to make a very large amount of memory available,
> the exceptions don't occur (presumably the problem is delayed beyond the
> limit of my testing), but occasionally the data retrieval takes up to 60
> seconds. What's going on, is that just the garbage collector?
>
> I'm using JDK1.2 on Linux i586 with no JIT compiler, as far as I know
> there isn't one available.
>
> Oh yes, I _am_ using Jonas 1.5
>
> Thanks for reading
>
> Jonathan
> --
> Jonathan Whitehead
> Sema Group sae
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