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Signals One: Image Import App Freezes When Connecting to Image Artist

Howell, Richard
  • Updated

Description:

When Image Artist is configured with a self-signed SSL certificate, Spotfire Analyst may be unable to validate the server certificate and can become unresponsive during the connection process. Importing the Image Artist root CA certificate (custom_ca) into the client machine's trusted root certificate store resolves the trust issue and allows successful connections through the Image Import application.
 

Problem:

When using Spotfire Analyst (Signals One) to connect to an on-premise Image Artist (ImA) 1.5.3 server through the Signals Apps > Image Import application, the connection attempt may cause Spotfire Analyst to become unresponsive.

Users typically observe the following behavior:

  1. Open Signals Apps > Image Import.
  2. Select Browse.
  3. Enter the Image Artist server URL and valid credentials.
  4. Select OK.

The Spotfire Analyst client then freezes and no connection is established to the Image Artist server.

Cause:

This issue can occur when the client workstation does not trust the SSL certificate presented by the Image Artist server.

When a self-signed certificate is used, accessing the ImA server via a web browser may result in a certificate warning which can typically be bypassed (Advanced > Proceed). Spotfire Analyst does not provide a similar prompt. As a result, the SSL validation may fail during the connection process, causing the Image Import application to become unresponsive while attempting to establish a secure connection.

Solution:

Import the Image Artist root certificate authority (CA) certificate into the trusted certificate store on the client workstation running Spotfire Analyst.

Step 1: Obtain the Image Artist Root CA Certificate

On the Image Artist server, locate the custom_ca file in the installation directory's config folder. 

ImA_Installation_Directory/config/custom_ca

 

Step 2: Convert the Certificate File

  1. Copy the custom_ca file to the client workstation.
  2. Rename the file with a .crt extension.

Step 3: Import the Certificate into the Windows Trust Store

  1. Open Certificate Manager on the client workstation.
  2. Import the certificate into the appropriate Trusted Root Certification Authorities store.
  3. Complete the import wizard.

Step 4: Verify Trust

After restarting the web browser and clearing the cache (if necessary), navigate to the Image Artist server URL. The browser should no longer display a certificate warning.

 

Step 5: Re-test the Connection through the Spotfire Analyst client

Open Spotfire Analyst and reconnect through:

Signals Apps > Image Import > Browse

Enter the Image Artist server details and credentials.

The connection should now be established successfully without Spotfire Analyst freezing.

 

 

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