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java.lang.ClassCastException: [B	at be.banksys.tams.model.base.AttributeType.jdoReplaceField(AttributeType.java)	at kodo.runtime.StateManagerImpl.replaceField(StateManagerImpl.java:3256)	at kodo.runtime.StateManagerImpl.storeObjectField(StateManagerImpl.java:2640)	at kodo.runtime.StateManagerImpl.storeObject(StateManagerImpl.java:2624)	at kodo.jdbc.meta.BlobFieldMapping.load(BlobFieldMapping.java:231)	at kodo.jdbc.runtime.JDBCStoreManager.loadMappings(JDBCStoreManager.java:1019)	at kodo.jdbc.runtime.JDBCStoreManager.loadMappings(JDBCStoreManager.java:970)	at kodo.jdbc.runtime.JDBCStoreManager.load(JDBCStoreManager.java:510)	at kodo.runtime.DelegatingStoreManager.load(DelegatingStoreManager.java:133)	at kodo.runtime.ROPStoreManager.load(ROPStoreManager.java:79)	at kodo.runtime.StateManagerImpl.loadFields(StateManagerImpl.java:3128)	at kodo.runtime.StateManagerImpl.loadField(StateManagerImpl.java:3227)	at kodo.runtime.StateManagerImpl.isLoaded(StateManagerImpl.java:1368)	at be.banksys.tams.model.base.AttributeType.jdoGetmetadata(AttributeType.java)	at be.banksys.tams.model.base.AttributeType.getMetadata(AttributeType.java:50)	at be.banksys.tams.model.base.Essai.main(Essai.java:55)	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:585)	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:78)