title: Getting the exception like "Cannot convert value '0000-00-00 00:00:00' from column 12 to TIMESTAMP"
body: <p>Previously the column Data type is Date now I am changed to Timestamp 
  Now if I tried to run the program am getting them  exception </p>
  
  <p>java.sql.SQLException: Cannot convert value '0000-00-00 00:00:00' from column 12 to TIMESTAMP.
   at com.mysql.jdbc.ResultSetRow.getTimestampFast(ResultSetRow.java:1298)
   at com.mysql.jdbc.ByteArrayRow.getTimestampFast(ByteArrayRow.java:124)
   at com.mysql.jdbc.ResultSetImpl.getTimestampInternal(ResultSetImpl.java:6610)
   at com.mysql.jdbc.ResultSetImpl.getTimestamp(ResultSetImpl.java:5928)
   at com.mysql.jdbc.ResultSetImpl.getTimestamp(ResultSetImpl.java:5966)
   at org.hibernate.type.TimestampType.get(TimestampType.java:30)
   at org.hibernate.type.NullableType.nullSafeGet(NullableType.java:163)
   at org.hibernate.type.NullableType.nullSafeGet(NullableType.java:154)
   at org.hibernate.type.AbstractType.hydrate(AbstractType.java:81)
   at org.hibernate.persister.entity.AbstractEntityPersister.hydrate(AbstractEntityPersister.java:2096)
   at org.hibernate.loader.Loader.loadFromResultSet(Loader.java:1380)
   at org.hibernate.loader.Loader.instanceNotYetLoaded(Loader.java:1308)
   at org.hibernate.loader.Loader.getRow(Loader.java:1206)
   at org.hibernate.loader.Loader.getRowFromResultSet(Loader.java:580)
   at org.hibernate.loader.Loader.doQuery(Loader.java:701)
   at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:236)
   at org.hibernate.loader.Loader.doList(Loader.java:2220)
   ... 40 more</p>