[Jboss-dev-forums] [Design of JBoss Serialization] - Re: IOExceptions with MyFaces/Facelets apps

[iktuz <do-...@jb...>]

Hi folks. I am getting the same error:


  | java.io.IOException
  | =09at org.jboss.serial.persister.RegularObjectPersister.readSlotWithMet=
hod(RegularObjectPersister.java:107)
  | =09at org.jboss.serial.persister.RegularObjectPersister.defaultRead(Reg=
ularObjectPersister.java:269)
  | =09at org.jboss.serial.persister.RegularObjectPersister.readData(Regula=
rObjectPersister.java:241)
  | =09at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.readObje=
ctDescriptionFromStreaming(ObjectDescriptorFactory.java:411)
  | =09at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.objectFr=
omDescription(ObjectDescriptorFactory.java:81)
  | =09at org.jboss.serial.objectmetamodel.DataContainer$DataContainerInput=
.readObject(DataContainer.java:841)
  | =09at org.jboss.serial.io.MarshalledObjectForLocalCalls.get(MarshalledO=
bjectForLocalCalls.java:60)
  | =09at org.jboss.ejb3.remoting.IsLocalInterceptor.invoke(IsLocalIntercep=
tor.java:61)
  | =09at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocat=
ion.java:101)
  | =09at org.jboss.ejb3.stateless.StatelessRemoteProxy.invoke(StatelessRem=
oteProxy.java:102)
  | =09at $Proxy93.getMMSList(Unknown Source)
  |=20

Here you can analyse the method implementation:


  |=20
  | //...
  | @Stateless(name =3D OperationService.NAME)
  | @Remote(OperationRemote.class)
  | @Local(OperationLocal.class)
  | public class OperationServiceImpl implements OperationRemote, Operation=
Local {
  |=20
  | public List<MMSEvent> getMMSList(final String id, final SearchFilter fi=
lter,
  |             final RequestInfo reqInfo) throws InvalidKeyException,
  |             IllegalArgumentException, NoSuchAlgorithmException,
  |             NoSuchPaddingException, IllegalBlockSizeException,
  |             BadPaddingException, SQLException, ClassNotFoundException,
  |             InstantiationException, IllegalAccessException,
  |             InvocationTargetException, IOException {
  |=20
  |         setResultClass(MMSEvent.class);
  |         final Object[] params =3D new Object[] { id };
  |         return performSelect(MMS_LIST, params);
  |     }
  | //...
  | }
  |=20

Actually I think that the code above is not so much interesting in fact, bu=
t what is returned by it:


  | package br.com.suntech.vigiadados.ext.service.oper;
  |=20
  | import java.io.Serializable;
  | import java.sql.Blob;
  | import java.sql.Date;
  |=20
  | import br.com.suntech.util.database.persistence.annot.ColumnAnnotation;
  |=20
  | /**
  |  * It encapsulates:
  |  * <li>String peerPhone;</li>
  |  * <li>String originator;</li>
  |  * <li>Blob payload;</li>
  |  * <li>Date reportTime;</li>
  |  */
  | @SuppressWarnings("serial")
  | public class MMSEvent implements Serializable {
  |=20
  |     @ColumnAnnotation(columnName =3D "PEER_PHONE")
  |     private String peerPhone;
  |=20
  |     @ColumnAnnotation(columnName =3D "ORIGINATOR")
  |     private String originator;
  |=20
  |     @ColumnAnnotation(columnName =3D "PAYLOAD")
  |     private Blob payload;
  |=20
  |     @ColumnAnnotation(columnName =3D "REPORT_TIME")
  |     private Date reportTime;
  |=20
  |     public String getOriginator() {
  |         return originator;
  |     }
  |=20
  |     public void setOriginator(String originator) {
  |         this.originator =3D originator;
  |     }
  |=20
  |     public Blob getPayload() {
  |         return payload;
  |     }
  |=20
  |     public void setPayload(Blob payload) {
  |         this.payload =3D payload;
  |     }
  |=20
  |     public String getPeerPhone() {
  |         return peerPhone;
  |     }
  |=20
  |     public void setPeerPhone(String peerPhone) {
  |         this.peerPhone =3D peerPhone;
  |     }
  |=20
  |     public Date getReportTime() {
  |         return reportTime;
  |     }
  |=20
  |     public void setReportTime(Date reportTime) {
  |         this.reportTime =3D reportTime;
  |     }
  |=20
  | }
  |=20

The method getMMSList(...) performs without problems because I put sysout=
=C2=B4s between each line and all are printed :) I suspect that the blob fi=
eld is the villain. So I am guessing that during the serialization process =
the problem occurs. Has someone any idea what is going on? Thanks a lot dud=
es, bye.

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