Report Display Issues

Symptom

When you view a task report, it may display incorrectly, as shown in Figure 1.

Figure 1 Report display issues

Possible Causes

The report may display incorrectly due to the Content Security Policy (CSP).

Troubleshooting Procedure

• Temporary solution (effective until the next restart)
  1. Choose Manage Jenkins > Script Console.
     Figure 2 Manual temporary modification (1)
     
  2. On the Script Console page that is displayed, enter the following command in the text box and click Run.

     System.setProperty("hudson.model.DirectoryBrowserSupport.CSP", "default-src 'none'; script-src 'self' 'unsafe-inline' 'unsafe-eval' ; style-src 'self' 'unsafe-inline'; img-src 'self' 'unsafe-inline' blob: data:; ")

     Figure 3 Manual temporary modification (2)
     
• Permanent solution (settings remain effective after a restart)
  1. Set Environment="JAVA_OPTS=-Djava.awt.headless=true" in the /usr/lib/systemd/system/jenkins.service file.

     sed -i 's/Environment="JAVA_OPTS=-Djava.awt.headless=true"/Environment="JAVA_OPTS=-Djava.awt.headless=true -Dhudson.model.DirectoryBrowserSupport.CSP=\\"default-src \x27none\x27; script-src \x27self\x27 \x27unsafe-inline\x27 \x27unsafe-eval\x27; style-src \x27self\x27 \x27unsafe-inline\x27; img-src \x27self\x27 \x27unsafe-inline\x27 blob: data:;\\""/g' /usr/lib/systemd/system/jenkins.service

  2. Reload the systemd manager configuration.

     systemctl daemon-reload

  3. Restart the Jenkins service.

     systemctl restart jenkins.service