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Junior Member
Iscritto dal: Apr 2008
Messaggi: 1
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[Java] JMS su eclipse con Java Application Server
Ciao a tutti. Sto cercando di imparare ad usare JMS per un progetto che devo fare per l'università. Ho scelto di usare eclipse su windows con java EE 5 SDK e Java Application Server 9.1 che ho configurato seguendo il tutorial di J2EE scarcabile qui. Dopo aver quindi configurato la ConnectionFactory e la destination Queue sull'application server ho scritto questo Server JMS:
import javax.jms.*; import javax.naming.*; public class JMSServer { static Context ictx = null; public static void main(String[] args) throws Exception { ictx = new InitialContext(); Queue queue = (Queue) ictx.lookup("jms/Queue"); QueueConnectionFactory qcf = (QueueConnectionFactory) ictx.lookup("jms/ConnectionFactory"); ictx.close(); QueueConnection qc = qcf.createQueueConnection(); QueueSession qs = qc.createQueueSession(false, Session.AUTO_ACKNOWLEDGE); QueueReceiver qrec = qs.createReceiver(queue); QueueSender qsend = qs.createSender(null); TextMessage reply = qs.createTextMessage(); qc.start(); System.out.println("Posso ricevere"); TextMessage msg; while(true) { msg = (TextMessage) qrec.receive(); System.out.println("Msg received: " + msg.getText()); Queue replyTo = (Queue) msg.getJMSReplyTo(); reply.setText("Re: "+msg.getText()); qsend.send(replyTo, reply); } } } Ho quindi compilato (senza errori) il programma con il compilatore java (su un tutorial parlava di usare asac per compilare, ma a me non funziona) e l'ho eseguito. Dopo qualche secondo dall'avvio dell'esecuzione mi ha dato i seguenti errori: Apr 9, 2008 6:34:09 PM com.sun.enterprise.connectors.ActiveRAFactory createActiveResourceAdapter SEVERE: RAR6001 : Class Not found : com.sun.messaging.jms.ra.ResourceAdapter Apr 9, 2008 6:34:09 PM com.sun.enterprise.connectors.ActiveRAFactory createActiveResourceAdapter SEVERE: com.sun.enterprise.connectors.ConnectorRuntimeException : Error in creating active RAR at com.sun.enterprise.connectors.ActiveRAFactory.createActiveResourceAdapter( ActiveRAFactory.java:118) at com.sun.enterprise.connectors.ResourceAdapterAdminServiceImpl.createActiveResourceAdapter( ResourceAdapterAdminServiceImpl.java:300) at com.sun.enterprise.connectors.ConnectorRuntime.createActiveResourceAdapter( ConnectorRuntime.java:207) at com.sun.enterprise.naming.factory.AdministeredObjectFactory.getObjectInstance( AdministeredObjectFactory.java:102) at javax.naming.spi.NamingManager.getObjectInstance( NamingManager.java:304) at com.sun.enterprise.naming.SerialContext.lookup( SerialContext.java:403) at javax.naming.InitialContext.lookup( InitialContext.java:392) at JMSClient.main( JMSClient.java:8) Caused by: java.lang.ClassNotFoundException: com.sun.messaging.jms.ra.ResourceAdapter at java.net.URLClassLoader$1.run( URLClassLoader.java:200) at java.security.AccessController.doPrivileged( Native Method) at java.net.URLClassLoader.findClass( URLClassLoader.java:188) at java.lang.ClassLoader.loadClass( ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass( Launcher.java:276) at java.lang.ClassLoader.loadClass( ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal( ClassLoader.java:319) at java.lang.Class.forName0( Native Method) at java.lang.Class.forName( Class.java:169) at com.sun.enterprise.connectors.ActiveRAFactory.createActiveResourceAdapter( ActiveRAFactory.java:82) ... 7 more Apr 9, 2008 6:34:09 PM com.sun.enterprise.naming.SerialContext lookup SEVERE: NAM0004: Exception during name lookup : {0} com.sun.enterprise.connectors.ConnectorRuntimeException : Error in creating active RAR at com.sun.enterprise.connectors.ActiveRAFactory.createActiveResourceAdapter( ActiveRAFactory.java:118) at com.sun.enterprise.connectors.ResourceAdapterAdminServiceImpl.createActiveResourceAdapter( ResourceAdapterAdminServiceImpl.java:300) at com.sun.enterprise.connectors.ConnectorRuntime.createActiveResourceAdapter( ConnectorRuntime.java:207) at com.sun.enterprise.naming.factory.AdministeredObjectFactory.getObjectInstance( AdministeredObjectFactory.java:102) at javax.naming.spi.NamingManager.getObjectInstance( NamingManager.java:304) at com.sun.enterprise.naming.SerialContext.lookup( SerialContext.java:403) at javax.naming.InitialContext.lookup( InitialContext.java:392) at JMSClient.main( JMSClient.java:8) Caused by: java.lang.ClassNotFoundException: com.sun.messaging.jms.ra.ResourceAdapter at java.net.URLClassLoader$1.run( URLClassLoader.java:200) at java.security.AccessController.doPrivileged( Native Method) at java.net.URLClassLoader.findClass( URLClassLoader.java:188) at java.lang.ClassLoader.loadClass( ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass( Launcher.java:276) at java.lang.ClassLoader.loadClass( ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal( ClassLoader.java:319) at java.lang.Class.forName0( Native Method) at java.lang.Class.forName( Class.java:169) at com.sun.enterprise.connectors.ActiveRAFactory.createActiveResourceAdapter( ActiveRAFactory.java:82) ... 7 more Exception in thread "main" javax.naming.CommunicationException: serial context communication ex [Root exception is com.sun.enterprise.connectors.ConnectorRuntimeException: Error in creating active RAR] at com.sun.enterprise.naming.SerialContext.lookup( SerialContext.java:427) at javax.naming.InitialContext.lookup( InitialContext.java:392) at JMSClient.main( JMSClient.java:8) Caused by: com.sun.enterprise.connectors.ConnectorRuntimeException: Error in creating active RAR at com.sun.enterprise.connectors.ActiveRAFactory.createActiveResourceAdapter( ActiveRAFactory.java:118) at com.sun.enterprise.connectors.ResourceAdapterAdminServiceImpl.createActiveResourceAdapter( ResourceAdapterAdminServiceImpl.java:300) at com.sun.enterprise.connectors.ConnectorRuntime.createActiveResourceAdapter( ConnectorRuntime.java:207) at com.sun.enterprise.naming.factory.AdministeredObjectFactory.getObjectInstance( AdministeredObjectFactory.java:102) at javax.naming.spi.NamingManager.getObjectInstance( NamingManager.java:304) at com.sun.enterprise.naming.SerialContext.lookup( SerialContext.java:403) ... 2 more Caused by: java.lang.ClassNotFoundException: com.sun.messaging.jms.ra.ResourceAdapter at java.net.URLClassLoader$1.run( URLClassLoader.java:200) at java.security.AccessController.doPrivileged( Native Method) at java.net.URLClassLoader.findClass( URLClassLoader.java:188) at java.lang.ClassLoader.loadClass( ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass( Launcher.java:276) at java.lang.ClassLoader.loadClass( ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal( ClassLoader.java:319) at java.lang.Class.forName0( Native Method) at java.lang.Class.forName( Class.java:169) at com.sun.enterprise.connectors.ActiveRAFactory.createActiveResourceAdapter( ActiveRAFactory.java:82) ... 7 more Per tentare di risolvere il problema ho provato a scaricare la Web Tools Platform per eclipse, senza però ottenere niente. Spero che qualcuno riesca a spiegarmi come fare per uscire da questa impasse: io immagino che mi manchi qualcosa per connettere l'applicazione al Java Application Server, ma su internet non sono riuscito a trovare niente (quasi tutti i tutorial sono su Jboss). Grazie. |
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