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Hibernate Serialization Issue

 
Greenhorn
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Hi Guys !. I have the following Serialization issue while reading from the database with the Hibernate ORM:
org.hibernate.type.SerializationException: could not deserialize......

java.io.EOFException
java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2675)
java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:3150)
java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:859)
java.io.ObjectInputStream.<init>(ObjectInputStream.java:355)
org.hibernate.internal.util.SerializationHelper$CustomObjectInputStream.<init>(SerializationHelper.java:328)
org.hibernate.internal.util.SerializationHelper$CustomObjectInputStream.<init>(SerializationHelper.java:318)
org.hibernate.internal.util.SerializationHelper.doDeserialize(SerializationHelper.java:237)
org.hibernate.internal.util.SerializationHelper.deserialize(SerializationHelper.java:306)
org.hibernate.type.descriptor.java.SerializableTypeDescriptor.fromBytes(SerializableTypeDescriptor.java:155)
org.hibernate.type.descriptor.java.SerializableTypeDescriptor.wrap(SerializableTypeDescriptor.java:130)
org.hibernate.type.descriptor.java.SerializableTypeDescriptor.wrap(SerializableTypeDescriptor.java:44)
org.hibernate.type.descriptor.sql.VarbinaryTypeDescriptor$2.doExtract(VarbinaryTypeDescriptor.java:71)
org.hibernate.type.descriptor.sql.BasicExtractor.extract(BasicExtractor.java:64)
org.hibernate.type.AbstractStandardBasicType.nullSafeGet(AbstractStandardBasicType.java:267)
org.hibernate.type.AbstractStandardBasicType.nullSafeGet(AbstractStandardBasicType.java:263)
org.hibernate.type.AbstractStandardBasicType.nullSafeGet(AbstractStandardBasicType.java:253)
org.hibernate.type.AbstractStandardBasicType.hydrate(AbstractStandardBasicType.java:338)
org.hibernate.persister.entity.AbstractEntityPersister.hydrate(AbstractEntityPersister.java:2969)
org.hibernate.loader.Loader.loadFromResultSet(Loader.java:1695)
org.hibernate.loader.Loader.instanceNotYetLoaded(Loader.java:1627)
org.hibernate.loader.Loader.getRow(Loader.java:1514)
org.hibernate.loader.Loader.getRowFromResultSet(Loader.java:725)
org.hibernate.loader.Loader.processResultSet(Loader.java:952)
org.hibernate.loader.Loader.doQuery(Loader.java:920)
org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:354)
org.hibernate.loader.Loader.doList(Loader.java:2553)
org.hibernate.loader.Loader.doList(Loader.java:2539)
org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2369)
org.hibernate.loader.Loader.list(Loader.java:2364)
org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:126)
org.hibernate.internal.SessionImpl.list(SessionImpl.java:1682)
org.hibernate.internal.CriteriaImpl.list(CriteriaImpl.java:380)
com.dgs.databaseServices.dao.impl.GroupsDaoImpl.getRootNodes(GroupsDaoImpl.java:196)

Any clue of why I am getting this ???
Because non of the data types involved are not Serializable !... I dont know what to do...

I am getting this error while reading the following entity:



I am using Java 8 with the following Spring and Hibernate versions:
1) Spring Framework: 4.3.0.RELEASE
2) Spring Security: 4.2.2.RELEASE
3) Hibernate: 4.3.6.FINAL
4) MySQL Connector: 5.1.31
     
 
Rancher
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What is going on in the method referenced here:
com.dgs.databaseServices.dao.impl.GroupsDaoImpl.getRootNodes(GroupsDaoImpl.java:196)
?
 
AgustinC Cardeilhac Banus
Greenhorn
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Dave Tolls. Thanks for answering... Sorry about the delay... It seems some columns of my table had values and they were of type Blob and the java type was not suitable I believe. Thankx for your time
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