[JBoss Seam] - 'Modal' in terms of pageflow
by kooudy
Hello,
in Seam's tutorial is
anonymous wrote : The stateful/stateless navigation distinction is quite similar to the traditional view of modal/modeless interaction. Now, Seam applications are not usually modal in the simple sense of the word - indeed, avoiding application modal behavior is one of the main reasons for having conversations! However, Seam applications can be, and often are, modal at the level of a particular conversation. It is well-known that modal behavior is something to avoid as much as possible; it is very difficult to predict the order in which your users are going to want to do things! However, there is no doubt that the stateful model has its place.
What does mean 'modal' there?
It is something in terms of accessibility lower window under above window,
I am little confused
thanks
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19 years
[Messaging, JMS & JBossMQ] - JBossMQ disconnected in Windows 2003 Server
by scip7050
OS: Windows 2003 Server
Impacted JBoss version: 4.0.4GA clustered (with 2 nodes)
We have a Session Bean which connected to MQ initially when the bean is instantiated. After a Idle period (about 24 hour), the MQ connection got disconnected. Hence when we try a transaction after 24 hour, it failed.
I have tried on both JBoss 4.0.3SP1 and 4.0.4GA, and it happened only on 4.0.4GA.
Here are some traces from the JBoss log:
2007-04-23 21:34:28,989 [UIL2(SocketManager.MsgPool@19320cf client=129.14.114.51:4295)#11] DEBUG org.jboss.mq.il.uil2.SocketManager (SocketManager.java:405) - Failed to handle: org.jboss.mq.il.uil2.msgs.CloseMsg11563525[msgType: m_connectionClosing, msgID: -2147482708, error: null]
java.io.IOException: Client is not connected
at org.jboss.mq.il.uil2.SocketManager.internalSendMessage(SocketManager.java:265)
at org.jboss.mq.il.uil2.SocketManager.sendReply(SocketManager.java:239)
at org.jboss.mq.il.uil2.ServerSocketManagerHandler.handleMsg(ServerSocketManagerHandler.java:128)
at org.jboss.mq.il.uil2.SocketManager$ReadTask.handleMsg(SocketManager.java:396)
at org.jboss.mq.il.uil2.msgs.BaseMsg.run(BaseMsg.java:392)
at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:748)
at java.lang.Thread.run(Thread.java:534)
2007-04-23 21:34:28,989 [UIL2(SocketManager.MsgPool@19320cf client=129.14.114.51:4295)#11] DEBUG org.jboss.mq.il.uil2.SocketManager (SocketManager.java:413) - Failed to send error reply
java.io.IOException: Client is not connected
at org.jboss.mq.il.uil2.SocketManager.internalSendMessage(SocketManager.java:265)
at org.jboss.mq.il.uil2.SocketManager.access$800(SocketManager.java:52)
at org.jboss.mq.il.uil2.SocketManager$ReadTask.handleMsg(SocketManager.java:409)
at org.jboss.mq.il.uil2.msgs.BaseMsg.run(BaseMsg.java:392)
at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:748)
at java.lang.Thread.run(Thread.java:534)
2007-04-23 21:34:28,989 [UIL2.SocketManager.ReadTask#89 client=129.14.114.51:8093] DEBUG org.jboss.mq.il.uil2.SocketManager (SocketManager.java:386) - End ReadTask.run
2007-04-23 21:34:28,989 [UIL2.SocketManager.WriteTask#90 client=129.14.114.51:8093] DEBUG org.jboss.mq.il.uil2.SocketManager (SocketManager.java:542) - End WriteTask.run
2007-04-23 21:34:28,989 [http-0.0.0.0-18080-1] DEBUG org.jboss.mq.il.uil2.UILClientILService (UILClientILService.java:162) - Stopping
2007-04-23 21:34:28,989 [UIL2.SocketManager.WriteTask#92 client=129.14.114.51:4295] DEBUG org.jboss.mq.il.uil2.SocketManager (SocketManager.java:542) - End WriteTask.run
2007-04-23 21:34:28,989 [UIL2.SocketManager.ReadTask#91 client=129.14.114.51:4295] DEBUG org.jboss.mq.il.uil2.ServerSocketManagerHandler (ServerSocketManagerHandler.java:238) - Exiting on IOE
java.net.SocketException: socket closed
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:183)
at java.io.BufferedInputStream.read(BufferedInputStream.java:201)
at org.jboss.util.stream.NotifyingBufferedInputStream.read(NotifyingBufferedInputStream.java:79)
at java.io.ObjectInputStream$PeekInputStream.peek(ObjectInputStream.java:2133)
at java.io.ObjectInputStream$BlockDataInputStream.readBlockHeader(ObjectInputStream.java:2313)
at java.io.ObjectInputStream$BlockDataInputStream.refill(ObjectInputStream.java:2380)
at java.io.ObjectInputStream$BlockDataInputStream.read(ObjectInputStream.java:2452)
at java.io.ObjectInputStream$BlockDataInputStream.readByte(ObjectInputStream.java:2601)
at java.io.ObjectInputStream.readByte(ObjectInputStream.java:845)
at org.jboss.mq.il.uil2.SocketManager$ReadTask.run(SocketManager.java:317)
at java.lang.Thread.run(Thread.java:534)
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19 years