Problem scenario
You stop SonarQube services from running.  You want to log into the web UI console to set things up.  You run this command:

sudo bash /opt/sonarqube/bin/linux-x86-64/sonar.sh console

But all you see is

“
Running SonarQube…
SonarQube is already running.
“

You never get a network service to listen on port 9000.  How do you use “sonar.sh console” to initially configure Sonar?

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Continue reading “How Do You Get the sonar.sh Console to Actually Work When the Screen Says That “SonarQube is already running”?”

Problem scenario
The SonarQube service failed to start.  

You see this message:

? sonar.service – SonarQube service
   Loaded: loaded (/etc/systemd/system/sonar.service; enabled; vendor preset: disabled)
   Active: failed (Result: start-limit) since Mon 2018-05-21 14:34:34 UTC; 12min ago

May 21 14:34:33 sonarserver systemd[1]: Started SonarQube service.
May 21 14:34:34 sonarserver systemd[1]: sonar.service holdoff time over, scheduling restart.
May 21 14:34:34 sonarserver systemd[1]: start request repeated too quickly for sonar.service
May 21 14:34:34 sonarserver systemd[1]: Failed to start SonarQube service.

…

Continue reading “How Do You Troubleshoot the SonarQube Service Not Working with a “vendor preset: disabled” Error?”

Problem scenario
You are trying to run SonarScanner, but you get an error about “java.lang.IllegalStateException: Unable to load component class or.sonar.scanner.scan.ProjectLock”.  What should you do?

Possible solution
Is there a sonar-project.properties file in the directory where you are running the above command?  Does your user have access to read the file?  Check these things first.

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Continue reading “How Do You Troubleshoot the SonarQube Scanner Error “java.lang.IllegalStateException: Unable to load component class or.sonar.scanner.scan.ProjectLock”?”

Problem scenario
You run “sudo systemctl start sonar”, but you get this message: “Failed to start sonar.service: Unit not found”

What should you do?

Solution
Run this: sudo systemctl enable sonar

Now you should be able to run your command to start the “sonar” service.

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Continue reading “How Do You Troubleshoot “Failed to start sonar.service: Unit not found” Error?”

Problem scenario
You try to start the SonarQube service.  It does not turn on or stay on.  You go to the logs directory in the “sonar” subdirectory on the Linux server.  Every time you run “sudo systemctl start sonar”, there are no corresponding log entries.  You may find no logs at all.  What should you do to troubleshoot SonarQube to start when the logs are not helping you?

Solution
1. 

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Continue reading “What Do You Do If SonarQube Has No Logs and the Service Will Not Start?”

Problem scenario
You are running SonarQube.  The service seems to start (based on the output of “sudo systemctl status sonar”).  But based on an nmap command on your server’s external IP address, you see no service is listening.  You go to the logs directory and cannot find the ce.log file.  You cannot reach the web UI for SonarQube.  How do you fix this problem?

Possible Solution #1
Look at your sonar.properties file. 

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Continue reading “How Do You Troubleshoot SonarQube Not Starting Correctly and ce.Log Not Being Created Properly?”

Problem scenario
You start SonarQube and the service seems to come up.  You see TCP port connection activity.  It does not stay up long enough to log in.  

You have SonarQube installed on a Linux server.  SonarQube starts, but it does not remain running because it dies out.  It stops running after 30 seconds of being started.  

In /opt/sonarqube/es.log you see a message like this: 

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Continue reading “How Do You Get the SonarQube Service to Remain on when It Stops Shortly after Being Started?”