Connector crashes in ColdFusion


Any ColdFusion website or service connected to a cluster that has 10 or more instances, IIS and/or Apache stops working.


Download the 32-bit/64-bit dll and replace the isapi_redirect.dll file in your ColdFusion home directory.

Note: For Apache, do not download and replace the dlls.



For IIS: In the file, set max_workers_per_lb=number of instances in the cluster.

For Apache: In the mod_jk.conf file, set JkMaxWorkersPerLb=number of instances in the cluster.

The values you set represents the maximum number of instances in the cluster. If you add more clusters, the connectors stop working.

After making the updates, restart the webserver.

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