Galera,
Estou estudando STRUTS 1.X e como ainda sou um pouco iniciante gostaria de uma explicacao em 2 pontos:
1 - Sobre o erro abaixo qdo rodo minha aplicaçao. Devo implementar Serializable no meu been?
2 - Sobre a critica gerada pelo eclipse nas classes ActionForm que instanciam um determinado been. No meu entendimento essa critica acontece porque em algum momento a ActionForm deve implementar Serializable. Mas o q devo fazer afinal pra eliminar essa critica. Ja li a respeito no blog da caelum mas talvez pela minha falta de experiencia ainda esta claro.
Obrigado a quem puder me dar um caminho!
SEVERE: IOException while loading persisted sessions: java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: br.com.caelum.jdbc.modelo.Contato
java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: br.com.caelum.jdbc.modelo.Contato
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1333)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1947)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1871)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
at org.apache.catalina.session.StandardSession.readObject(StandardSession.java:1441)
at org.apache.catalina.session.StandardSession.readObjectData(StandardSession.java:942)
at org.apache.catalina.session.StandardManager.doLoad(StandardManager.java:394)
at org.apache.catalina.session.StandardManager.load(StandardManager.java:321)
at org.apache.catalina.session.StandardManager.start(StandardManager.java:637)
at org.apache.catalina.core.ContainerBase.setManager(ContainerBase.java:438)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4271)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:516)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:578)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
Caused by: java.io.NotSerializableException: br.com.caelum.jdbc.modelo.Contato
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1156)
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:326)
at org.apache.catalina.session.StandardSession.writeObject(StandardSession.java:1517)
at org.apache.catalina.session.StandardSession.writeObjectData(StandardSession.java:959)
at org.apache.catalina.session.StandardManager.doUnload(StandardManager.java:517)
at org.apache.catalina.session.StandardManager.unload(StandardManager.java:463)
at org.apache.catalina.session.StandardManager.stop(StandardManager.java:667)
at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4519)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1098)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1098)
at org.apache.catalina.core.StandardEngine.stop(StandardEngine.java:448)
at org.apache.catalina.core.StandardService.stop(StandardService.java:584)
at org.apache.catalina.core.StandardServer.stop(StandardServer.java:744)
at org.apache.catalina.startup.Catalina.stop(Catalina.java:628)
at org.apache.catalina.startup.Catalina.start(Catalina.java:603)
... 6 more
30/01/2009 16:27:57 org.apache.catalina.session.StandardManager start
SEVERE: Exception loading sessions from persistent storage
java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: br.com.caelum.jdbc.modelo.Contato
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1333)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1947)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1871)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
at org.apache.catalina.session.StandardSession.readObject(StandardSession.java:1441)
at org.apache.catalina.session.StandardSession.readObjectData(StandardSession.java:942)
at org.apache.catalina.session.StandardManager.doLoad(StandardManager.java:394)
at org.apache.catalina.session.StandardManager.load(StandardManager.java:321)
at org.apache.catalina.session.StandardManager.start(StandardManager.java:637)
at org.apache.catalina.core.ContainerBase.setManager(ContainerBase.java:438)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4271)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:516)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:578)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
Caused by: java.io.NotSerializableException: br.com.caelum.jdbc.modelo.Contato
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1156)
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:326)
at org.apache.catalina.session.StandardSession.writeObject(StandardSession.java:1517)
at org.apache.catalina.session.StandardSession.writeObjectData(StandardSession.java:959)
at org.apache.catalina.session.StandardManager.doUnload(StandardManager.java:517)
at org.apache.catalina.session.StandardManager.unload(StandardManager.java:463)
at org.apache.catalina.session.StandardManager.stop(StandardManager.java:667)
at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4519)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1098)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1098)
at org.apache.catalina.core.StandardEngine.stop(StandardEngine.java:448)
at org.apache.catalina.core.StandardService.stop(StandardService.java:584)
at org.apache.catalina.core.StandardServer.stop(StandardServer.java:744)
at org.apache.catalina.startup.Catalina.stop(Catalina.java:628)
at org.apache.catalina.startup.Catalina.start(Catalina.java:603)
... 6 more
30/01/2009 16:27:57 org.apache.struts.action.ActionServlet initChain
INFO: Loading chain catalog from jar:file:/C:/Users/Rangel/workspace/STRUTS/web/WEB-INF/lib/struts-core-1.3.10.jar!/org/apache/struts/chain/chain-config.xml
30/01/2009 16:27:57 org.apache.catalina.startup.HostConfig deployWAR
INFO: Deploying web application archive struts-blank-1.3.10.war
30/01/2009 16:27:58 org.apache.struts.action.ActionServlet initChain
INFO: Loading chain catalog from jar:file:/C:/Program%20Files/apache-tomcat-6.0.18/webapps/struts-blank-1.3.10/WEB-INF/lib/struts-core-1.3.10.jar!/org/apache/struts/chain/chain-config.xml
30/01/2009 16:27:58 org.apache.struts.validator.ValidatorPlugIn initResources
INFO: Loading validation rules file from '/org/apache/struts/validator/validator-rules.xml'
30/01/2009 16:27:58 org.apache.struts.validator.ValidatorPlugIn initResources
INFO: Loading validation rules file from '/WEB-INF/validation.xml'
30/01/2009 16:27:58 org.apache.catalina.core.ApplicationContext log
INFO: ContextListener: contextInitialized()
30/01/2009 16:27:58 org.apache.catalina.core.ApplicationContext log
INFO: SessionListener: contextInitialized()
30/01/2009 16:27:58 org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-8080
30/01/2009 16:27:59 org.apache.jk.common.ChannelSocket init
INFO: JK: ajp13 listening on /0.0.0.0:8009
30/01/2009 16:27:59 org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/29 config=null
30/01/2009 16:27:59 org.apache.catalina.startup.Catalina start
INFO: Server startup in 2154 ms