fala ae galera…
to procurando isso faz um tempo e não to encontrando solução…
sempre que tento usar <a4j:keepAlive /> (t:saveState também) na minha página JSF, aparece a seguinte exceção:
java.io.NotSerializableException: org.apache.tomcat.dbcp.dbcp.PoolingDataSource$PoolGuardConnectionWrapper
java.io.ObjectOutputStream.writeObject0(Unknown Source)
java.io.ObjectOutputStream.defaultWriteFields(Unknown Source)
java.io.ObjectOutputStream.writeSerialData(Unknown Source)
java.io.ObjectOutputStream.writeOrdinaryObject(Unknown Source)
java.io.ObjectOutputStream.writeObject0(Unknown Source)
java.io.ObjectOutputStream.defaultWriteFields(Unknown Source)
java.io.ObjectOutputStream.writeSerialData(Unknown Source)
java.io.ObjectOutputStream.writeOrdinaryObject(Unknown Source)
java.io.ObjectOutputStream.writeObject0(Unknown Source)
java.io.ObjectOutputStream.writeObject(Unknown Source)
java.util.HashMap.writeObject(Unknown Source)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
java.lang.reflect.Method.invoke(Unknown Source)
java.io.ObjectStreamClass.invokeWriteObject(Unknown Source)
java.io.ObjectOutputStream.writeSerialData(Unknown Source)
java.io.ObjectOutputStream.writeOrdinaryObject(Unknown Source)
java.io.ObjectOutputStream.writeObject0(Unknown Source)
java.io.ObjectOutputStream.writeArray(Unknown Source)
java.io.ObjectOutputStream.writeObject0(Unknown Source)
java.io.ObjectOutputStream.writeArray(Unknown Source)
java.io.ObjectOutputStream.writeObject0(Unknown Source)
java.io.ObjectOutputStream.writeArray(Unknown Source)
java.io.ObjectOutputStream.writeObject0(Unknown Source)
java.io.ObjectOutputStream.writeArray(Unknown Source)
java.io.ObjectOutputStream.writeObject0(Unknown Source)
java.io.ObjectOutputStream.writeArray(Unknown Source)
java.io.ObjectOutputStream.writeObject0(Unknown Source)
java.io.ObjectOutputStream.writeObject(Unknown Source)
com.sun.faces.renderkit.ResponseStateManagerImpl.writeState(ResponseStateManagerImpl.java:269)
javax.faces.render.ResponseStateManager.writeState(ResponseStateManager.java:166)
org.ajax4jsf.application.AjaxStateManager.writeState(AjaxStateManager.java:294)
org.ajax4jsf.application.AjaxStateManager.writeState(AjaxStateManager.java:230)
com.sun.faces.application.ViewHandlerImpl$WriteBehindStateWriter.flushToWriter(ViewHandlerImpl.java:930)
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:205)
org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:100)
org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:176)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:110)
com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)
org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:368)
org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:495)
to googlando aqui mas não consegui resolver ainda, alguém pode me ajudar com isso ??
vlws
