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This document describes eventual additional steps that might be required to update between two versions of Kong. If nothing is described here for a particular version and platform, then assume the update will go smoothly.

Update to Kong 0.4.2

The configuration format for specifying the port of your Cassandra instance changed. Replace:

cassandra:
  properties:
    hosts: "localhost"
    port: 9042

by:

cassandra:
  properties:
    hosts:
      - "localhost:9042"

Update to Kong 0.3.x

Kong now requires a patch on OpenResty for SSL support. On Homebrew you will need to reinstall OpenResty.

Homebrew

$ brew update
$ brew reinstall mashape/kong/ngx_openresty
$ brew upgrade kong

Troubleshoot

If you are seeing a similar error on kong start:

nginx: [error] [lua] init_by_lua:5: Startup error: Cassandra error: Failed to prepare statement: "SELECT id FROM apis WHERE path = ?;". Cassandra returned error (Invalid): "Undefined name path in where clause ('path = ?')"

You can run the following command to update your schema:

$ kong migrations up

Please consider updating to 0.3.1 or greater which automatically handles the schema migration.