java.lang.NullPointerException: This exception has no message.

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This exception has no message.
java.lang.NullPointerException:
at org.postgresql.jdbc2.ResultSet.getBytes(ResultSet.java:321)
at com.solarmetric.jdbc.DelegatingDatabaseMetaData.getIndexInfo(DelegatingDatabaseMetaData.java:253)
at com.solarmetric.jdbc.LoggingConnectionDecorator$LoggingConnection$LoggingDatabaseMetaData.getIndexInfo(LoggingConnectionDecorator.java:321)
at com.solarmetric.jdbc.DelegatingDatabaseMetaData.getIndexInfo(DelegatingDatabaseMetaData.java:253)
at kodo.jdbc.sql.DBDictionary.getIndexInfo(DBDictionary.java:2921)
at kodo.jdbc.schema.SchemaGenerator.generateIndexes(SchemaGenerator.java:568)
at kodo.jdbc.schema.SchemaGenerator.generateIndexes(SchemaGenerator.java:577)
at kodo.jdbc.schema.SchemaGenerator.generateIndexes(SchemaGenerator.java:357)
at kodo.jdbc.schema.SchemaGenerator.generateSchemas(SchemaGenerator.java:188)
at kodo.jdbc.schema.SchemaGenerator.generateSchemas(SchemaGenerator.java:168)
at kodo.jdbc.schema.SchemaTool.getDBSchemaGroup(SchemaTool.java:1062)
at kodo.jdbc.schema.SchemaTool.createDB(SchemaTool.java:293)
at kodo.jdbc.schema.SchemaTool.run(SchemaTool.java:1383)
at kodo.jdbc.schema.SchemaTool.run(SchemaTool.java:1317)
at kodo.jdbc.schema.SchemaTool.main(SchemaTool.java:1267)

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