"Bad value for type long" failure when reading text data from PostgreSQL via Hibernate

Solution Verified - Updated -

Issue

  • A PostgreSQL text column is mapped as a Lob property in a Hibernate entity

    @Lob
private String textData;

  • When loading entity rows from the database an exception is encountered:

    ... org.postgresql.util.PSQLException: Bad value for type long : some text data
at org.postgresql.jdbc.PgResultSet.toLong(PgResultSet.java:2861)
at org.postgresql.jdbc.PgResultSet.getLong(PgResultSet.java:2072)
at org.postgresql.jdbc.PgResultSet.getClob(PgResultSet.java:474)
at org.postgresql.jdbc.PgResultSet.getClob(PgResultSet.java:460)
at org.hibernate.type.descriptor.sql.ClobTypeDescriptor$1.doExtract(ClobTypeDescriptor.java:44)
at org.hibernate.type.descriptor.sql.BasicExtractor.extract(BasicExtractor.java:47)
at org.hibernate.type.AbstractStandardBasicType.nullSafeGet(AbstractStandardBasicType.java:238)
...

Environment

  • Red Hat JBoss Enterprise Application Platform (EAP) 7
  • Hibernate 5
  • PostgreSQL

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