[jira] [Created] (GUACAMOLE-1796) Hitting 2100 SQLServer query parameter limit with large connection base

["Chris Johnson (Jira)" <ji...@apache.org>]

Chris Johnson created GUACAMOLE-1796:
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             Summary: Hitting 2100 SQLServer query parameter limit with large connection base
                 Key: GUACAMOLE-1796
                 URL: https://issues.apache.org/jira/browse/GUACAMOLE-1796
             Project: Guacamole
          Issue Type: Bug
          Components: guacamole-auth-jdbc-sqlserver
    Affects Versions: 1.5.2
         Environment: docker
            Reporter: Chris Johnson
         Attachments: guacamole-client.log

We have a rather large number of connections and after logging in, I'm getting "An error occurred and this action cannot be completed".

In the Guacamole log I'm getting the following error:
{quote}^### Error querying database.  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 and resend the request.^
^### The error may exist in org/apache/guacamole/auth/jdbc/connection/ConnectionMapper.xml^
^### The error may involve defaultParameterMap^
^### The error occurred while setting parameters^
^### SQL: SELECT             [guacamole_connection].connection_id,             [guacamole_connection].connection_name,             parent_id,             protocol,             max_connections,             max_connections_per_user,             proxy_hostname,             proxy_port,             proxy_encryption_method,             connection_weight,             failover_only,             (                 SELECT MAX(start_date)                 FROM [guacamole_connection_history]                 WHERE [guacamole_connection_history].connection_id = [guacamole_connection].connection_id             ) AS last_active         FROM [guacamole_connection]         WHERE [guacamole_connection].connection_id IN << A load of question marks >> ### 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 and resend the request.^
{quote}
I believe that there was a similar issue that was fixed in GUACAMOLE-1253 but for the number of users.

I have attached the log if that helps.

At the moment, the platform is unusable for ourselves.



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