Good to know Alan, thanks.

Who would have thought servers accessing databases might be located in 
dedicated machines? Way to go, Oracle! :D

S!
D.


El 28/09/2011 16:19, Alan Wright escribió:
> At the same time as upgrading to Resin 4 we are upgrading to Oracle 11gR2.
>
> Starting/stopping resin was very non-deterministic seeming to hang
> sometimes during application startup with references to connection
> timeouts in the error logs.
>
> SQLRecoverableException: IO Error: Connection reset
>
> The problem was traced to a drying up of the "entropy poll" preventing
> oracle jdbc from allocating connections until the pool was replenished
>
> The following article explains in full
>
> http://www.usn-it.de/index.php/2009/02/20/oracle-11g-jdbc-driver-hangs-blocked-by-devrandom-entropy-pool-empty
>
> The solution was to add the following to resin.xml
>
> <!-- Deal with problems associated with 11G JDBC driver
> new connection requires random number but generator uses entropy pool
> filled by random user actions - server has no connected user so entropy
> pool often empty.... -->
>
>
> <jvm-arg>-Djava.security.egd=file:///dev/urandom</jvm-arg>
>
>
>
> Hope this helps someone.
>
> Alan
>
>
>


-- 
-------------------------------------------
Daniel Lopez Janariz (d.lo...@uib.es)
Web Services
Centre for Information and Technology
Balearic Islands University
(SPAIN)
-------------------------------------------


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