Starke Gardner created GUACAMOLE-1253:
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Summary: Hitting 2100 SQLServer query parameter limit with large
user base
Key: GUACAMOLE-1253
URL: https://issues.apache.org/jira/browse/GUACAMOLE-1253
Project: Guacamole
Issue Type: Bug
Components: guacamole, guacamole-auth-jdbc-sqlserver
Affects Versions: 1.3.0
Environment: docker
Reporter: Starke Gardner
We have a large user count ~1500 and use Sqlserver. When trying to load the
user settings on the web interface the page will never load and we get this
error:
SELECT [guacamole_user].user_id, [guacamole_entity].entity_id,
[guacamole_entity].name, password_hash, password_salt,
password_date, disabled, expired, access_window_start, access_window_end,
valid_from, valid_until,
timezone, full_name, email_address, organization, organizational_role, (
SELECT MAX(start_date)
FROM [guacamole_user_history] WHERE [guacamole_user_history].user_id =
[guacamole_user].user_id ) AS last_active FROM [guacamole_user] JOIN [guaca
mole_entity] ON [guacamole_user].entity_id = [guacamole_entity].entity_id WHERE
[guacamole_entity].name IN ( ? , ?
, ? ,.......... ? ) AND [guacamole_entity].type = 'USER'; SELECT
[guacamole_user_attribute].user_id, [guacamole_user_attribute].attribute_name,
[guacamole_user_attribute].attribute_value FROM [guacamole_user_att
ribute] JOIN [guacamole_user] ON [guacamole_user].user_id =
[guacamole_user_attribute].user_id JOIN [guacamole_entity] ON
[guacamole_user].entity_id = [guacamole_entity].enti
ty_id WHERE [guacamole_entity].name IN ( ? , ? ,........ ? ) AND
[guacamole_entity].type = 'USER';
### Cause: com.microsoft.sqlserver.jdbc.SQLServerException: The incoming
request has too many parameters. The server supports a maximum of 2100
parameters. Reduce the number of parameters an
d resend the request.
I truncated the name IN statement as there was a "?" for each of the 1500 users
two times in the select statement.
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