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Hibernate Transform Failiing... :(

 
Greenhorn
Posts: 6
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I am using hibernate transform to map DB Result set to Java POJO.


The entity to be mapped is
-------------------------------------------------------------

------------------------------------------------------------------------------------------------------------
Transforming class

-------------------------------------------------------------------------------------------------------------------


-------------------------------------------------------------------------------------------------------------------------------------
DDL

-----------------------------------------------------------------


--------------------------------------------------------------------------------------
Error
----------------------------------------------

Exception in thread "main" java.lang.StringIndexOutOfBoundsException: String index out of range: 0
at java.lang.String.charAt(String.java:686)
at org.hibernate.type.descriptor.java.CharacterTypeDescriptor.wrap(CharacterTypeDescriptor.java:80)
at org.hibernate.type.descriptor.java.CharacterTypeDescriptor.wrap(CharacterTypeDescriptor.java:34)
at org.hibernate.type.descriptor.sql.VarcharTypeDescriptor$2.doExtract(VarcharTypeDescriptor.java:61)
at org.hibernate.type.descriptor.sql.BasicExtractor.extract(BasicExtractor.java:64)
at org.hibernate.type.AbstractStandardBasicType.nullSafeGet(AbstractStandardBasicType.java:254)
at org.hibernate.type.AbstractStandardBasicType.nullSafeGet(AbstractStandardBasicType.java:250)
at org.hibernate.type.AbstractStandardBasicType.nullSafeGet(AbstractStandardBasicType.java:235)
at org.hibernate.loader.custom.CustomLoader$ScalarResultColumnProcessor.extract(CustomLoader.java:505)
at org.hibernate.loader.custom.CustomLoader$ResultRowProcessor.buildResultRow(CustomLoader.java:451)
at org.hibernate.loader.custom.CustomLoader.getResultColumnOrRow(CustomLoader.java:348)
at org.hibernate.loader.Loader.getRowFromResultSet(Loader.java:639)
at org.hibernate.loader.Loader.doQuery(Loader.java:829)
at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:274)
at org.hibernate.loader.Loader.doList(Loader.java:2542)
at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2276)
at org.hibernate.loader.Loader.list(Loader.java:2271)
at org.hibernate.loader.custom.CustomLoader.list(CustomLoader.java:316)
at org.hibernate.impl.SessionImpl.listCustomQuery(SessionImpl.java:1842)
at org.hibernate.impl.AbstractSessionImpl.list(AbstractSessionImpl.java:165)
at org.hibernate.impl.SQLQueryImpl.list(SQLQueryImpl.java:157)
at EntitlementDTOMapping.main(EntitlementDTOMapping.java:22)
-----------------------------------------------------------------------------------------------
If any one can please assist....
 
Marshal
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You should by now know this forum is for questions about the Ranch. You should also know not to write such long lines. I have added code tags and sorted out the worst of the long lines, and you can see how much better it looks
The meaning of the Exception you posted is obvious. You are trying to use the 1st character (charAt(0)) of a zero‑length String.
 
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