# Missing Converter handling for full class name=org.postgresql.util.PGobject, simple name=PGobject

**URL:** <https://discuss.elastic.co/t/missing-converter-handling-for-full-class-name-org-postgresql-util-pgobject-simple-name-pgobject/258645>\
**Category:** Logstash\
**Created:** [December 14, 2020, 8:52pm UTC](https://discuss.elastic.co/t/missing-converter-handling-for-full-class-name-org-postgresql-util-pgobject-simple-name-pgobject/258645 "2020-12-14T20:52:09Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![frankfoti](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/frankfoti/32/26965_2.png) [@frankfoti](https://discuss.elastic.co/u/frankfoti)\
**Post date:** [December 14, 2020, 8:52pm UTC](https://discuss.elastic.co/t/missing-converter-handling-for-full-class-name-org-postgresql-util-pgobject-simple-name-pgobject/258645/1 "2020-12-14T20:52:09Z")

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Getting this error trying to use logstash jjdbc to extract complex objects from postgres. Converting to TEXT did not work as well

```auto
][WARN][logstash.inputs.jdbc][rivi-poc_people][ed94f8a65daf945d07d8fd7ebea8d75acaddf6a50b45503ce2fca69b5b47b17c] Exception when executing JDBC query {:exception=>"Java::OrgLogstash::MissingConverterException: Missing Converter handling for full class name=org.postgresql.util.PGobject, simple name=PGobject"}
^[[3~[2020-12-14T20:46:03,082][INFO][logstash.inputs.jdbc][rivi-poc_people][ed94f8a65daf945d07d8fd7ebea8d75acaddf6a50b45503ce2fca69b5b47b17c] (0.084938s) SELECT people.status_updated_at,to_json(people::TEXT)
  FROM (SELECT pp.id,
               pp.full_name,
               pp.status_updated_at,
               (SELECT jsonb_agg(nested_address)
                  FROM (SELECT adr.id,
                               adr.street,
                               adr.city
                          FROM poc_people_address adr
                          WHERE adr.people_id = pp.id) AS nested_address) AS address
          FROM poc_people pp
          WHERE status_updated_at > '2020-12-14 18:13:30.746351+0000') people

input {
  jdbc {
        jdbc_driver_library => "/etc/logstash/rivi/postgresql-42.2.18.jar"
        jdbc_driver_class => "org.postgresql.Driver"
        jdbc_connection_string => "jdbc:postgresql://localhost:5432/production_aws"
        jdbc_user => " ******"
        jdbc_password => " *******"
        schedule => "/2 * * * * *"
        #statement => "select id,full_name,message,status_updated_at from poc_people where status_updated_at > :sql_last_value"
        #statement => "select id,full_name,message,status_updated_at from poc_people"
        statement_filepath => "/etc/logstash/rivi/poc_people.sql"
        use_column_value => true
        tracking_column => "status_updated_at"
        tracking_column_type => "timestamp"
        last_run_metadata_path => "/etc/logstash/rivi/poc_people.run"
  }
}

ffoti@rivi-dev:~$ sudo cat /etc/logstash/rivi/poc_people.sql
SELECT people.status_updated_at,row_to_json(people)
  FROM (SELECT pp.id,
               pp.full_name,
               pp.status_updated_at,
               (SELECT jsonb_agg(nested_address)
                  FROM (SELECT adr.id,
                               adr.street,
                               adr.city
                          FROM poc_people_address adr
                          WHERE adr.people_id = pp.id) AS nested_address) AS address
          FROM poc_people pp
          WHERE status_updated_at > :sql_last_value) people

```

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [January 11, 2021, 8:52pm UTC](https://discuss.elastic.co/t/missing-converter-handling-for-full-class-name-org-postgresql-util-pgobject-simple-name-pgobject/258645/2 "2021-01-11T20:52:14Z")

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