Database access from Managed/Backing bean

Hi,
I would like to authenticate web users from a database table, I get the account details
in the Welcome page, I wish to check if the user exists in the table (from the managed bean), how do I do this?
Is this good practice to access the db from managed bean? If not how do I do this in model component and pass the value back and forth from managed bean?
Thanks,
Jai.

Hi
You can get all the information of logged in user from SecurityContext(you can get this either from ADFContext using ADFContext.getCurrent().getSecurityContext() or using EL expression eg. #{securityContext.userName} shows logged in user name)
API: http://download.oracle.com/docs/cd/E15051_01/apirefs.1111/e10686/oracle/adf/share/security/SecurityContext.html#method_summary
More details on enabling security: http://download.oracle.com/docs/cd/E12839_01/web.1111/b31974/adding_security.htm#BGBCEDDD
Sireesha

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         at EDU.oswego.cs.dl.util.concurrent.PooledExecutor.getTask(PooledExecutor.java:767)
         at com.evermind.util.ReleasableResourcePooledExecutor.myGetTask(ReleasableResourcePooledExecutor.java:151)
         at com.evermind.util.ReleasableResourcePooledExecutor.access$000(ReleasableResourcePooledExecutor.java:33)
         at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:190)
         at java.lang.Thread.run(Thread.java:534)
    "AJPRequestHandler-ApplicationServerThread-7" prio=1 tid=0x08d78a58 nid=0x5902 runnable [8b2f4000..8b2f587c]
         at java.net.SocketInputStream.socketRead0(Native Method)
         at java.net.SocketInputStream.read(SocketInputStream.java:129)
         at oracle.net.ns.Packet.receive(Unknown Source)
         at oracle.net.ns.DataPacket.receive(Unknown Source)
         at oracle.net.ns.NetInputStream.getNextPacket(Unknown Source)
         at oracle.net.ns.NetInputStream.read(Unknown Source)
         at oracle.net.ns.NetInputStream.read(Unknown Source)
         at oracle.net.ns.NetInputStream.read(Unknown Source)
         at oracle.jdbc.driver.T4CMAREngine.unmarshalUB1(T4CMAREngine.java:978)
         at oracle.jdbc.driver.T4CMAREngine.unmarshalSB1(T4CMAREngine.java:950)
         at oracle.jdbc.driver.T4C8Oall.receive(T4C8Oall.java:434)
         at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:181)
         at oracle.jdbc.driver.T4CPreparedStatement.execute_for_describe(T4CPreparedStatement.java:661)
         at oracle.jdbc.driver.OracleStatement.execute_maybe_describe(OracleStatement.java:959)
         at oracle.jdbc.driver.T4CPreparedStatement.execute_maybe_describe(T4CPreparedStatement.java:693)
         at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1065)
         at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:2901)
         at oracle.jdbc.driver.OraclePreparedStatement.executeQuery(OraclePreparedStatement.java:2942)
         - locked <0x914cad08> (a oracle.jdbc.driver.T4CPreparedStatement)
         - locked <0x920256c0> (a oracle.jdbc.driver.T4CConnection)
         at com.evermind.sql.FilterPreparedStatement.executeQuery(FilterPreparedStatement.java:270)
         at com.evermind.sql.FilterPreparedStatement.executeQuery(FilterPreparedStatement.java:270)
         at com.evermind.sql.PreparedStatementBCELProxy.executeQuery(PreparedStatementBCELProxy.java:31)
         at com.brunata.servicerapport.ejb.CustomerBean.ejbCreate(Unknown Source)
         at CustomerLocalHome_EntityHomeWrapper2.create(CustomerLocalHome_EntityHomeWrapper2.java:420)
         at com.brunata.servicerapport.BeanFactory.getCustomerBean(Unknown Source)
         at com.brunata.servicerapport.CustomerOpenAction.execute(Unknown Source)
         at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)
         at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)
         at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
         at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
         at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)
         at com.brunata.servicerapport.CustomerAuthorizationFilter.doFilter(Unknown Source)
         at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:649)
         at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:322)
         at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:790)
         at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:208)
         at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:125)
         at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)
         at java.lang.Thread.run(Thread.java:534)
    "Thread-23" daemon prio=1 tid=0x092ebb18 nid=0x5902 in Object.wait() [88565000..8856587c]
         at java.lang.Object.wait(Native Method)
         - waiting on <0x920000f0> (a java.util.TaskQueue)
         at java.util.TimerThread.mainLoop(Timer.java:429)
         - locked <0x920000f0> (a java.util.TaskQueue)
         at java.util.TimerThread.run(Timer.java:382)
    "Thread-22" daemon prio=1 tid=0x092eb988 nid=0x5902 in Object.wait() [8dfa0000..8dfa087c]
         at java.lang.Object.wait(Native Method)
         - waiting on <0x92000188> (a java.util.TaskQueue)
         at java.util.TimerThread.mainLoop(Timer.java:429)
         - locked <0x92000188> (a java.util.TaskQueue)
         at java.util.TimerThread.run(Timer.java:382)
    "AJPRequestHandler-ApplicationServerThread-6" prio=1 tid=0x08c03240 nid=0x5902 runnable [8b0f1000..8b0f187c]
         at java.net.SocketInputStream.socketRead0(Native Method)
         at java.net.SocketInputStream.read(SocketInputStream.java:129)
         at com.evermind.io.SingleReadBufferInputStream.readChunk(SingleReadBufferInputStream.java:116)
         at com.evermind.io.SingleReadBufferInputStream.read(SingleReadBufferInputStream.java:35)
         at com.evermind.server.http.AJPRequestHandler.readAJPPackets(AJPRequestHandler.java:462)
         at com.evermind.server.http.AJPRequestHandler.initRequest(AJPRequestHandler.java:396)
         at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:185)
         at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:125)
         at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)
         at java.lang.Thread.run(Thread.java:534)
    "DestroyJavaVM" prio=1 tid=0x08053278 nid=0x5902 waiting on condition [0..bfffcac4]
    "OC4JMonitorThread" daemon prio=1 tid=0x08d7a5a0 nid=0x5902 in Object.wait() [88667000..8866787c]
         at java.lang.Object.wait(Native Method)
         - waiting on <0x92aed1f8> (a java.lang.Object)
         at oracle.ons.NotificationQueue.internalDequeue(NotificationQueue.java:253)
         - locked <0x92aed1f8> (a java.lang.Object)
         at oracle.ons.NotificationQueue.dequeue(NotificationQueue.java:226)
         at oracle.ons.Subscriber.receive(Subscriber.java:136)
         at com.evermind.server.OC4JMonitorThread.run(OC4JMonitorThread.java:315)
         at java.lang.Thread.run(Thread.java:534)
    "Thread-6" daemon prio=1 tid=0x087f9f98 nid=0x5902 in Object.wait() [886e8000..886e887c]
         at java.lang.Object.wait(Native Method)
         - waiting on <0x92aed368> (a java.lang.Object)
         at java.lang.Object.wait(Object.java:429)
         at oracle.ons.NotificationQueue.internalDequeue(NotificationQueue.java:255)
         - locked <0x92aed368> (a java.lang.Object)
         at oracle.ons.NotificationQueue.dequeue(NotificationQueue.java:215)
         at oracle.ons.SenderThread.run(SenderThread.java:81)
    "Thread-5" daemon prio=1 tid=0x087f9d10 nid=0x5902 runnable [88769000..8876987c]
         at java.net.SocketInputStream.socketRead0(Native Method)
         at java.net.SocketInputStream.read(SocketInputStream.java:129)
         at oracle.ons.InputBuffer.readMoreData(InputBuffer.java:267)
         at oracle.ons.InputBuffer.getNextString(InputBuffer.java:222)
         at oracle.ons.ReceiverThread.run(ReceiverThread.java:228)
    "TaskManager" prio=1 tid=0x087f9b30 nid=0x5902 waiting on condition [887ea000..887ea87c]
         at java.lang.Thread.sleep(Native Method)
         at com.evermind.util.TaskManager.run(TaskManager.java:247)
         at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:186)
         at java.lang.Thread.run(Thread.java:534)
    "Thread-4" prio=1 tid=0x08ca2fb8 nid=0x5902 in Object.wait() [891e2000..891e287c]
         at java.lang.Object.wait(Native Method)
         - waiting on <0x92aee258> (a java.util.TaskQueue)
         at java.util.TimerThread.mainLoop(Timer.java:429)
         - locked <0x92aee258> (a java.util.TaskQueue)
         at java.util.TimerThread.run(Timer.java:382)
    "AJPConnectionListener [0.0.0.0/0.0.0.0:3302]" prio=1 tid=0x086f1668 nid=0x5902 runnable [8a7ca000..8a7ca87c]
         at java.net.PlainSocketImpl.socketAccept(Native Method)
         at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:353)
         - locked <0x927a0390> (a java.net.PlainSocketImpl)
         at java.net.ServerSocket.implAccept(ServerSocket.java:448)
         at java.net.ServerSocket.accept(ServerSocket.java:419)
         at com.evermind.server.http.AJPConnectionListener.run(AJPConnectionListener.java:60)
         at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:186)
         at java.lang.Thread.run(Thread.java:534)
    "RMIServer [0.0.0.0:3202] count:2" prio=1 tid=0x086cbff0 nid=0x5902 runnable [8b172000..8b17287c]
         at java.net.PlainSocketImpl.socketAccept(Native Method)
         at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:353)
         - locked <0x927a0850> (a java.net.PlainSocketImpl)
         at java.net.ServerSocket.implAccept(ServerSocket.java:448)
         at java.net.ServerSocket.accept(ServerSocket.java:419)
         at com.evermind.server.rmi.RMIServer.run(RMIServer.java:464)
         at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:186)
         at java.lang.Thread.run(Thread.java:534)
    "JMSServer[webprod:3702]" prio=1 tid=0x0879aff0 nid=0x5902 runnable [8b1f3000..8b1f387c]
         at java.net.PlainSocketImpl.socketAccept(Native Method)
         at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:353)
         - locked <0x92746aa0> (a java.net.PlainSocketImpl)
         at java.net.ServerSocket.implAccept(ServerSocket.java:448)
         at java.net.ServerSocket.accept(ServerSocket.java:419)
         at com.evermind.server.jms.JMSServer.run(JMSServer.java:516)
         at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:186)
         at java.lang.Thread.run(Thread.java:534)
    "LogFlusher" daemon prio=1 tid=0x081b91a0 nid=0x5902 waiting on condition [8b274000..8b27487c]
         at java.lang.Thread.sleep(Native Method)
         at oracle.core.ojdl.BufferedLogWriter$Flusher.run(BufferedLogWriter.java:354)
    "Signal Dispatcher" daemon prio=1 tid=0x080ba9e0 nid=0x5902 waiting on condition [0..0]
    "Finalizer" daemon prio=1 tid=0x080b61a8 nid=0x5902 in Object.wait() [8e9a7000..8e9a787c]
         at java.lang.Object.wait(Native Method)
         at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:111)
         - locked <0x925b0378> (a java.lang.ref.ReferenceQueue$Lock)
         at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:127)
         at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)
    "Reference Handler" daemon prio=1 tid=0x080b5dc8 nid=0x5902 in Object.wait() [8ea28000..8ea2887c]
         at java.lang.Object.wait(Native Method)
         at java.lang.Object.wait(Object.java:429)
         at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:115)
         - locked <0x925b02a0> (a java.lang.ref.Reference$Lock)
    "VM Thread" prio=1 tid=0x080b52e0 nid=0x5902 runnable
    "VM Periodic Task Thread" prio=1 tid=0x080bee08 nid=0x5902 waiting on condition
    "Suspend Checker Thread" prio=1 tid=0x080b9fc8 nid=0x5902 runnable As far as I can see, my PreparedStatement (or connection) is locked.... Any ideas?
    ~Morten ;-)

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