Custom Data Feeds Troubleshooting

This is a non-comprehensive list of some commonly encountered issues. When you encouter an error while using Custom Data Feeds on ArcGIS Server, the first step is to check the CDF log files that are located at: ArcGIS/Server/framework/runtime/customdata/logs.

Changing the Custom Data Feeds Logging Levels

Logging levels adhere to the ordering specified in RFC5424 in order of most to least important: error, warn, info, http, verbose, debug, and silly. The default logging level is info.

To change the logging level of your CDF app, navigate to src/app/index.js and find the line:

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   const koop = new Koop({ logLevel: 'info' });

Change info to the desired logging level.

Common Custom Data Feeds Runtime Issues

Issue: Custom Data Providers Are Not Listed in ArcGIS Server Administrator Directory

cdf arcgis server 500 error Suggestions:

  1. Make sure that the CDF runtime has been installed. CDF runtime is not automatically installed with ArcGIS Server.
  2. Verify that Node.js is running on port 6483. On Linux, the ss command allows you to view which ports are in use. Use netstat -ano on Windows to view process and port numbers.

Issue: Custom Data Provider Update Error

cdf arcgis server update provider error Suggestions:

  1. The CDF CLI tool uses the name you provide in the createProvider command to set the name of the provider in configuration file. This name is used when creating the .cdpk and when registering your provider on ArcGIS Server. The update process looks for a previously registered provider name that matches the name of the provider in the new, updated .cdpk. Ensure that you are using the same provider name in your updated provider that you used in the provider being updated.

Issue: Node Server Failed to Start

cdf arcgis server node failed to start Suggestions:

  1. Ensure that all required packages are installed at the custom data provider level. You may have a package globally installed on your development machine allowing your custom data app to work correctly in development. The machine that ArcGIS Server is installed on may not have that package installed globally, and therefore cannot start the Node.js server.
  2. Check that you are running the same version of Node.js on your development environment as the version running on ArcGIS Server. Some versions have native functionality that others do not, and your app may be using native functionality where other versions of Node.js require a package installation. For example, the Fetch API is included with Node.js v18 and higher.
  3. Ensure that you have not installed any packages at the "app level" or modified the package.json file at the app level. All packages you need for your custom data provider should be installed at the "provider level" directory. Check the logs for any NPM package errors.

Common Custom Data Feeds CLI Issues

Issue: Custom Data Feeds cdf Command Not Found in Command Prompt

Suggestions:

  1. Make sure that you installed a supported version of Node.js (preferably v20.17.0) either directly with the available installer on the Node.js website or via NVM (Linux) or NVM for Windows (Windows). Do not install Node.js both ways. Pick one installation method. When installing the ArcGIS Enterprise SDK, a utility checks your machine for a supported version of Node.js. If the installer prompt warns that a supported version of Node.js is not found, cancel the installation, and install Node.js first.
  2. Node.js should always be installed before the ArcGIS Enterprise SDK is installed. Uninstall ArcGIS Enterprise SDK from your development machine, and install Node.js. Then reinstall ArcGIS Enterprise SDK.
  3. If this issue arises in a Linux envionrment, it may be because the user who installed Node.js was not the user who installed CDF CLI tool. Ensure that the same user installs both Node.js and the ArcGIS Enterprise SDK.
  4. Manually run activate_cdf.bat if in Windows or activate_cdf.sh if in Linux. The script is found at: /arcgis/enterprisesdk/customdatacli

Issue: 'UNABLE_TO_GET_ISSUER_CERT_LOCALLY' or 'UNABLE_TO_VERIFY_LEAF_SIGNATURE' Error When Using CDF CLI

This error may be encountered when using the register and unregister CLI commands because these commands contact ArcGIS Server Administrator APIs. Node.js returns this error when it cannot verify the SSL certificate on the machine on which ArcGIS Server is deployed. If ArcGIS Server is running in a disconnected Enterprise deployment or the certificate on the ArcGIS Server machine was created with a custom authority, Node.js will not be able to verify it from the developer environment.

Suggestions:

  1. If you are working on an intranet, and your organization's security policy allows, you may temporarily disable SSL requirements by setting the environment variable NODE_TLS_REJECT_UNAUTHORIZED to false. On Windows Powershell, use the command: $Env:NODE_TLS_REJECT_UNAUTHORIZED=0. On Mac/Linux/Git Bash/Windows Command Prompt, use the command: export NODE_TLS_REJECT_UNAUTHORIZED=0. This variable returns to the default value of true after the terminal session ends.
  2. Another, more secure option, is to add the certificate to the list of trusted certificates. You will need to obtain the .pem file for the certificate on the machine on which ArcGIS Server is running. On Windows Powershell, use the command: $Env:NODE_EXTRA_CA_CERTS = "C:\path\to\cert.pem". On Mac/Linux/Git Bash/Windows Command Prompt, use the command: export NODE_EXTRA_CA_CERTS=/path/to/cert.pem.

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