When a minPoolSize > 0 is used with nuxeo-runtime-jtajca in Tomcat, a NPE occurs:
2010-12-14 14:02:05,884 WARN [Transaction] Unexpected exception from afterCompletion; continuing
java.lang.NullPointerException
at org.apache.geronimo.connector.outbound.MultiPoolConnectionInterceptor.returnConnection(MultiPoolConnectionInterceptor.java:90)
at org.apache.geronimo.connector.outbound.ThreadLocalCachingConnectionInterceptor.returnConnection(ThreadLocalCachingConnectionInterceptor.java:81)
at org.apache.geronimo.connector.outbound.TransactionEnlistingInterceptor.returnConnection(TransactionEnlistingInterceptor.java:95)
...