Hi,
We are using jboss 4.0.3 server.
Oracle 9I is the DB.
The app server was working fine , but from last month it has started going
down. The server is shutting down after evrey 5-6 days because of following
error.
org.jboss.util.NestedSQLException: No ManagedConnections available within
configured blocking timeout ( 30000 [ms] ); - nested throwable:
(javax.resource.ResourceException: No ManagedConnections available within
configured blocking timeout ( 30000 [ms] ))
There is no regular pattern for occurence of these errors. After 3-4 such
failuers the server goes down. We have tried following modifications in
oracle-ds.xml
1) Incresing the min and max connection Pool Size for data source.
<min-pool-size>50</min-pool-size>
<max-pool-size>75</max-pool-size>
2) Reduce idle time out from 20 to 10
<idle-timeout-minutes>10</idle-timeout-minutes>
3) Incresing the <blocking timeout from default 30000
<blocking-timeout-millis>50000</blocking-timeout-millis>
What we have not tried is
1) Incraesing the therad pool size in server.xml? Will that help??
2) Adding minSpareThreads and maxSpareThreads paramtere? Will that help??
Has anyone face the similar problem?
Is there any other configaration parameter which we are missing??
Is there any specific reason for this problem??
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