[894] [peterw99@papaya2] [..ace/tools/v3Aug7/bin] $ ./asadmin get resources.jdbc-connection-pool.Der
resources.jdbc-connection-pool.DerbyPool.is-connection-validation-required=false
resources.jdbc-connection-pool.DerbyPool.name=DerbyPool
resources.jdbc-connection-pool.DerbyPool.datasource-classname=org.apache.derby.jdbc.ClientDataSource
resources.jdbc-connection-pool.DerbyPool.allow-non-component-callers=false
resources.jdbc-connection-pool.DerbyPool.property.DatabaseName=sun-appserv-samples
resources.jdbc-connection-pool.DerbyPool.property.Password=APP
resources.jdbc-connection-pool.DerbyPool.res-type=javax.sql.DataSource
resources.jdbc-connection-pool.DerbyPool.lazy-connection-association=false
resources.jdbc-connection-pool.DerbyPool.property.PortNumber=1527
resources.jdbc-connection-pool.DerbyPool.fail-all-connections=false
resources.jdbc-connection-pool.DerbyPool.is-isolation-level-guaranteed=false
resources.jdbc-connection-pool.DerbyPool.steady-pool-size=8
resources.jdbc-connection-pool.DerbyPool.property.serverName=localhost
resources.jdbc-connection-pool.DerbyPool.max-connection-usage-count=0
resources.jdbc-connection-pool.DerbyPool.wrap-jdbc-objects=false
resources.jdbc-connection-pool.DerbyPool.property.User=APP
resources.jdbc-connection-pool.DerbyPool.max-pool-size=32
resources.jdbc-connection-pool.DerbyPool.connection-creation-retry-interval-in-seconds=10
resources.jdbc-connection-pool.DerbyPool.lazy-connection-enlistment=false
resources.jdbc-connection-pool.DerbyPool.match-connections=false
resources.jdbc-connection-pool.DerbyPool.connection-creation-retry-attempts=0
resources.jdbc-connection-pool.DerbyPool.connection-leak-reclaim=false
resources.jdbc-connection-pool.DerbyPool.connection-validation-method=auto-commit
resources.jdbc-connection-pool.DerbyPool.pool-resize-quantity=2
resources.jdbc-connection-pool.DerbyPool.idle-timeout-in-seconds=300
resources.jdbc-connection-pool.DerbyPool.associate-with-thread=false
resources.jdbc-connection-pool.DerbyPool.max-wait-time-in-millis=60000
resources.jdbc-connection-pool.DerbyPool.connection-leak-timeout-in-seconds=0
resources.jdbc-connection-pool.DerbyPool.non-transactional-connections=false
resources.jdbc-connection-pool.DerbyPool.validate-atmost-once-period-in-seconds=0
resources.jdbc-connection-pool.DerbyPool.statement-timeout-in-seconds=-1

Command get executed successfully.
[895] [peterw99@papaya2] [..ace/tools/v3Aug7/bin] $ ./asadmin set resources.jdbc-connection-pool.DerbyPool.name=foobar
resources.jdbc-connection-pool.DerbyPool.property.Password.name=foobar
resources.jdbc-connection-pool.DerbyPool.property.PortNumber.name=foobar
resources.jdbc-connection-pool.DerbyPool.property.connectionAttributes.name=foobar
resources.jdbc-connection-pool.DerbyPool.name=foobar
resources.jdbc-connection-pool.DerbyPool.property.User.name=foobar
resources.jdbc-connection-pool.DerbyPool.property.DatabaseName.name=foobar
resources.jdbc-connection-pool.DerbyPool.property.serverName.name=foobar