The java sql SQLException Fail to convert to internal representation

0 votes

I want to do this query:

String query = "select entity, entity.id from Site entity";
List resultList = entityManager.createQuery(query).getResultList();

Takes this exception:

[...]
Caused by: java.sql.SQLException: Fail to convert to internal representation
    at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)
    at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:146)
    at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:208)
    at oracle.jdbc.driver.CharCommonAccessor.getLong(CharCommonAccessor.java:239)
    at oracle.jdbc.driver.OracleResultSetImpl.getLong(OracleResultSetImpl.java:552)
    at oracle.jdbc.driver.OracleResultSet.getLong(OracleResultSet.java:1575)
    at org.jboss.resource.adapter.jdbc.WrappedResultSet.getLong(WrappedResultSet.java:724)
    at org.hibernate.type.LongType.get(LongType.java:28)
    at org.hibernate.type.NullableType.nullSafeGet(NullableType.java:163)
    at org.hibernate.type.NullableType.nullSafeGet(NullableType.java:154)
    at org.hibernate.type.ManyToOneType.hydrate(ManyToOneType.java:103)
    at org.hibernate.type.EntityType.nullSafeGet(EntityType.java:204)
    at org.hibernate.loader.hql.QueryLoader.getResultColumnOrRow(QueryLoader.java:338)
    at org.hibernate.loader.Loader.getRowFromResultSet(Loader.java:606)
    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)
    ... 102 more

What am I doing wrong? 

Aug 20 in Database by Kithuzzz
• 11,640 points
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