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ORA-03113 when query retrieves many records

If my query retrieves more than 1,000 records, I get the following error: "java.sql.SQLException: ORA-02068: following severe error from <Database Name>, ORA-03113: end-of-file on communication channel."

If the query retrieves fewer records, the application is running fine. But if it retrieves more records (around 1,000) then I'm getting the following error: "java.sql.SQLException: ORA-02068: following severe error from <Database Name>, ORA-03113: end-of-file on communication channel."
The ORA-3113 error is a generic error that simply states your session has been disconnected from the database. Sometimes, this is due to a network issue. Other times, the database kills the session without warning. The only way to know for sure is to work with Oracle Support. They will ask you to reproduce the problem while creating a network trace of your session. You then send them the trace files and they can figure out what is going wrong.

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