Hi,
bin gerade dabei eine kleine C/S Anwendung mit RMI zu schreiben.
Für die Kommunikation zwischen Backend <-> Frontend verwende ich RMI.
Das Problem ist, dass ca. im Schnitt bei jeder 3. Anfrage an den RMI Server eine Exception auftritt
Stacktrace dazu ist:
Wo ist da das Problem, kann doch nicht sein, dass es manchmal geht und dann wieder nicht.
Aber irgendwas muss doch falsch sein oder ist RMI wirklich so instabil?
Gruß, Andi
bin gerade dabei eine kleine C/S Anwendung mit RMI zu schreiben.
Für die Kommunikation zwischen Backend <-> Frontend verwende ich RMI.
Das Problem ist, dass ca. im Schnitt bei jeder 3. Anfrage an den RMI Server eine Exception auftritt
Stacktrace dazu ist:
Code:
java.rmi.ConnectIOException: error during JRMP connection establishment; nested exception is:
java.net.SocketTimeoutException: Read timed out
java.util.concurrent.ExecutionException: java.rmi.ConnectIOException: error during JRMP connection establishment; nested exception is:
java.net.SocketTimeoutException: Read timed out
at java.util.concurrent.FutureTask$Sync.innerGet(Unknown Source)
at java.util.concurrent.FutureTask.get(Unknown Source)
at javax.swing.SwingWorker.get(Unknown Source)
at de.joerg.framework.xmlEditor.frontend.ListXMLFilesVC$1.done(ListXMLFilesVC.java:46)
at javax.swing.SwingWorker$5.run(Unknown Source)
at javax.swing.SwingWorker$DoSubmitAccumulativeRunnable.run(Unknown Source)
at sun.swing.AccumulativeRunnable.run(Unknown Source)
at javax.swing.SwingWorker$DoSubmitAccumulativeRunnable.actionPerformed(Unknown Source)
at javax.swing.Timer.fireActionPerformed(Unknown Source)
at javax.swing.Timer$DoPostEvent.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Caused by: java.rmi.ConnectIOException: error during JRMP connection establishment; nested exception is:
java.net.SocketTimeoutException: Read timed out
at sun.rmi.transport.tcp.TCPChannel.createConnection(Unknown Source)
at sun.rmi.transport.tcp.TCPChannel.newConnection(Unknown Source)
at sun.rmi.server.UnicastRef.newCall(Unknown Source)
at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source)
at java.rmi.Naming.lookup(Unknown Source)
at de.joerg.framework.mvc.backendService.JFBackendRequest.getRequestedData(JFBackendRequest.java:17)
at de.joerg.framework.xmlEditor.frontend.ListXMLFilesVC$1.doInBackground(ListXMLFilesVC.java:38)
at de.joerg.framework.xmlEditor.frontend.ListXMLFilesVC$1.doInBackground(ListXMLFilesVC.java:1)
at javax.swing.SwingWorker$1.call(Unknown Source)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at javax.swing.SwingWorker.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.net.SocketTimeoutException: Read timed out
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(Unknown Source)
at java.io.BufferedInputStream.fill(Unknown Source)
at java.io.BufferedInputStream.read(Unknown Source)
at java.io.DataInputStream.readByte(Unknown Source)
... 15 more
Wo ist da das Problem, kann doch nicht sein, dass es manchmal geht und dann wieder nicht.
Aber irgendwas muss doch falsch sein oder ist RMI wirklich so instabil?
Gruß, Andi