title: java.sql.SQLException: ORA-00904: "G" OJDBC7 apache camel
body: <p>This is happening in select query..</p>
  
  <p>none of the column starts with 'G' nor any table alias name also starts with it.
  SQL query is not updated since 6 months.</p>
  
  <p>only change is that we have upgraded to OJDBC7 jar. Earlier working fine for OJDBC6 jar.</p>