Hey, once in a while I get the following error when I fetch a connection from the pool (using JBoss 3.2.6 and Oracle 9i)
[JBossManagedConnectionPool] Unable to fill pool org.jboss.resource.JBossResourceException: Could not create connection; - nested throwable: (java.lang.NullPointerException) at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:168) at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.createConnectionEventListener(InternalManagedConnectionPool.java:508) at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.fillToMin(InternalManagedConnectionPool.java:455) at org.jboss.resource.connectionmanager.PoolFiller.run(PoolFiller.java:69) at java.lang.Thread.run(Thread.java:534) Caused by: java.lang.NullPointerException at org.jboss.mx.loading.LoadMgr3.beginLoadTask(LoadMgr3.java:143) at org.jboss.mx.loading.UnifiedClassLoader3.loadClassImpl(UnifiedClassLoader3.java:186) at org.jboss.mx.loading.UnifiedClassLoader3.loadClass(UnifiedClassLoader3.java:136) at java.lang.ClassLoader.loadClass(ClassLoader.java:235) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:141) at oracle.net.ns.NetException.(Unknown Source) at oracle.net.ano.Ano.e(Ano) at oracle.net.ano.Ano.init(Ano) at oracle.net.ns.NSProtocol.connect(Unknown Source) at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:708) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:219) at oracle.jdbc.driver.PhysicalConnection.(PhysicalConnection.java:344) at oracle.jdbc.driver.T4CConnection.(T4CConnection.java:148) at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32) at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:545) at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:158) ... 4 more 15:52:38,148 WARN [JBossManagedConnectionPool] Unable to fill pool org.jboss.resource.JBossResourceException: Could not create connection; - nested throwable: (java.lang.NullPointerException) at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:168) at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.createConnectionEventListener(InternalManagedConnectionPool.java:508) at org.jboss.resource.connectionmanager.InternalManagedConnectionPool.fillToMin(InternalManagedConnectionPool.java:455) at org.jboss.resource.connectionmanager.PoolFiller.run(PoolFiller.java:69) at java.lang.Thread.run(Thread.java:534) Caused by: java.lang.NullPointerException at org.jboss.mx.loading.LoadMgr3.beginLoadTask(LoadMgr3.java:143) at org.jboss.mx.loading.UnifiedClassLoader3.loadClassImpl(UnifiedClassLoader3.java:186) at org.jboss.mx.loading.UnifiedClassLoader3.loadClass(UnifiedClassLoader3.java:136) at java.lang.ClassLoader.loadClass(ClassLoader.java:235) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:141) at oracle.net.ns.NetException.(Unknown Source) at oracle.net.ano.Ano.e(Ano) at oracle.net.ano.Ano.init(Ano) at oracle.net.ns.NSProtocol.connect(Unknown Source) at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:708) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:219) at oracle.jdbc.driver.PhysicalConnection.(PhysicalConnection.java:344) at oracle.jdbc.driver.T4CConnection.(T4CConnection.java:148) at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32) at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:545) at org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory.createManagedConnection(LocalManagedConnectionFactory.java:158) ... 4 more So my oracle-ds-xml look like this: <?xml version="1.0" encoding="UTF-8"?> <local-tx-datasource> <jndi-name>jdbc/ignis/trinity/elsdemob</jndi-name> <use-java-context>false</use-java-context> <connection-url>jdbc:oracle:thin:@trinity:1521:elsdemob</connection-url> <driver-class>oracle.jdbc.driver.OracleDriver</driver-class> <...> <min-pool-size>5</min-pool-size> <max-pool-size>20</max-pool-size> <blocking-timeout-millis>5000</blocking-timeout-millis> <idle-timeout-minutes>15</idle-timeout-minutes> <type-mapping>Oracle9i</type-mapping> </local-tx-datasource> <local-tx-datasource> <jndi-name>jdbc/ignis/beryll/ignis_s</jndi-name> <use-java-context>false</use-java-context> <connection-url>jdbc:oracle:thin:@beryll:1521:ignis_s</connection-url> <driver-class>oracle.jdbc.driver.OracleDriver</driver-class> <...> <min-pool-size>5</min-pool-size> <max-pool-size>20</max-pool-size> <blocking-timeout-millis>5000</blocking-timeout-millis> <idle-timeout-minutes>15</idle-timeout-minutes> <type-mapping>Oracle9i</type-mapping> </local-tx-datasource> If I access the JMX Management Console and stop and restart the ManagedConnectionPool, then everything works fine again. Any help? Louis View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3918342#3918342 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3918342 ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=103432&bid=230486&dat=121642 _______________________________________________ JBoss-user mailing list JBoss-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jboss-user