Grafana 404 Page Not Found

May 2, 2025 by ADMIN 27 views

Introduction

Grafana is a popular open-source platform for monitoring and observability. However, users may encounter issues such as the 404 page not found error. In this article, we will explore the possible causes of this issue and provide solutions to resolve it.

Is There an Existing Issue for This?

Before we dive into troubleshooting, it's essential to check if there's an existing issue for this problem. After searching the existing issues, we found that there are no specific issues related to the 404 page not found error in Grafana.

What Happened?

The user is experiencing a 404 page not found error when trying to access the Grafana web page. However, the teslamate page works. The user has reinstalled Docker once, but the issue persists.

Expected Behavior

The expected behavior is that the user should be able to access the Grafana web page without encountering any errors.

Steps to Reproduce

The user has not provided any steps to reproduce the issue.

Relevant Log Output

The relevant log output from the Grafana container is as follows:

logger=plugin.angulardetectorsprovider.dynamic t=2025-05-02T08:53:16.921209445Z level=info msg="Patterns update finished" duration=525.63143ms
logger=folder-service t=2025-05-02T08:53:17.719928635Z level=warn msg="User does not belong to a user or service account namespace, using 0 as user ID" id=access-policy:0
logger=folder-service t=2025-05-02T08:53:17.720588317Z level=warn msg="User does not belong to a user or service account namespace, using 0 as user ID" id=access-policy:0
logger=plugin.installer t=2025-05-02T08:53:17.773495055Z level=info msg="Installing plugin" pluginId=grafana-lokiexplore-app version=
logger=folder-service t=2025-05-02T08:53:17.908390793Z level=warn msg="User does not belong to a user or service account namespace, using 0 as user ID" id=access-policy:0
logger=folder-service t=2025-05-02T08:53:17.950366322Z level=warn msg="User does not belong to a user or service account namespace, using 0 as user ID" id=access-policy:0
logger=provisioning.dashboard t=2025-05-02T08:53:18.050786772Z level=info msg="finished to provision dashboards"
logger=installer.fs t=2025-05-02T08:53:18.611292849Z level=info msg="Downloaded and extracted grafana-lokiexplore-app v1.0.13 zip successfully to /var/lib/grafana/plugins/grafana-lokiexplore-app"
logger=plugins.registration t=2025-05-02T08:53:18.98338645Z level=info msg="Plugin registered" pluginId=grafana-lokiexplore-app
logger=plugin.backgroundinstaller=2025-05-02T08:53:18.98366477Z level=info msg="Plugin successfully installed" pluginId=grafana-lokiexplore-app version= duration=2.749819011s
logger=plugin.backgroundinstaller t=2025-05-02T08:53:18.983840568Z level=info msg="Installing plugin" pluginId=grafana-pyroscope-app version=
logger=plugin.installer t=2025-05-02T08:53:19.156077367Z level=info msg="Installing plugin" pluginId=grafana-pyroscope-app version=
logger=installer.fs t=2025-05-02T08:53:19.410990452Z level=info msg="Downloaded and extracted grafana-pyroscope-app v1.3.0 zip successfully to /var/lib/grafana/plugins/grafana-pyroscope-app"
logger=plugins.registration t=2025-05-02T08:53:19.905295274Z level=info msg="Plugin registered" pluginId=grafana-pyroscope-app
logger=plugin.backgroundinstaller t=2025-05-02T08:53:19.905578403Z level=info msg="Plugin successfully installed" pluginId=grafana-pyroscope-app version= duration=921.590336ms
logger=grafana-apiserver t=2025-05-02T08:53:21.207280357Z level=info msg="Adding GroupVersion playlist.grafana.app v0alpha1 to ResourceManager"
logger=grafana-apiserver t=2025-05-02T08:53:21.208373683Z level=info msg="Adding GroupVersion featuretoggle.grafana.app v0alpha1 to ResourceManager"
logger=grafana-apiserver t=2025-05-02T08:53:21.210775748Z level=info msg="Adding GroupVersion iam.grafana.app v0alpha1 to ResourceManager"
logger=grafana-apiserver t=2025-05-02T08:53:21.219095805Z level=info msg="Adding GroupVersion notifications.alerting.grafana.app v0alpha1 to ResourceManager"
logger=grafana-apiserver t=2025-05-02T08:53:21.220301156Z level=info msg="Adding GroupVersion userstorage.grafana.app v0alpha1 to ResourceManager"
logger=app-registry t=2025-05-02T08:53:21.299880707Z level=info msg="app registry initialized"
logger=infra.usagestats t=2025-05-02T08:53:57.235877434Z level=info msg="Usage stats are ready to report"
logger=settings t=2025-05-02T09:02:55.596869821Z level=info msg="Starting Grafana" version=11.6.1 commit=ae23ead4d959aa73a5a0ffada60e4147d679523c branch=HEAD compiled=2025-05-02T09:02:55Z
logger=settings t=2025-05-02T09:02:55.598478639Z level=info msg="Config loaded from" file=/usr/share/grafana/conf/defaults.ini
logger=settings t=2025-05-02T09:02:55.598591522Z level=info msg="Config from" file=/etc/grafana/grafana.ini
logger=settings t=2025-05-02T09:02:55.598745145Z level=info msg="Config overridden from command line" arg="default.paths.data=/var/lib/grafana"
logger=settings t=2025-05-02T09:02:55.598906509Z level=info msg="Config overridden from command line" arg="default.paths.logs=/var/log/grafana"
logger=settings t=2025-05-02T09:02:55.599007323Z level=info msg="Config overridden from command line" arg="default.paths.plugins=/var/lib/grafana/plugins"
logger=settings t=2025-05-02T09:02:55.599113901Z level=info msg="Config overridden from command line" arg="default.paths.provisioning=/etc/grafana/provisioning"
logger=settings t=2025-05-02T09:02:55.599219728Z level=info msg="Config overridden from command line" arg="default.log.mode=console"
logger=settings t=2025-05-02T09:02:55.599324873Z level=info msg="Config overridden from Environment variable" var="GF_PATHS_DATA=/var/lib/grafana"
logger=settings t=2025-05-02T09:02:55.599429992Z level=info msg="Config overridden from Environment variable" var="GF_PATHS_LOGS=/var/log/grafana"
logger=settings t=2025-05-02T09:02:55.599535123Z level=info msg="Config overridden from Environment variable" var="GF_PATHS_PLUGINS=/var/lib/grafana/plugins"
logger=settings t=2025-05-02T09:02:55.599690897Z level=info msg="Config overridden from Environment variable" var="GF_PATHS_PROVISIONING=/etc/grafana/provisioning"
logger=settings t=2025-05-02T09:02:55.599790284Z level=info msg="Config overridden from Environment variable" var="GF_SERVER_DOMAIN=teslamate.perkovtesla.com"
logger=settings t=2025-05-02T09:02:55.599916301Z level=info msg="Config overridden from Environment variable" var="GF_SERVER_ROOT_URL=%(protocol)s://%(domain)s/grafana"
logger=settings t=2025-05-02T09:02:55.600020862Z level=info msg="Config overridden from Environment variable" var="GF_SERVER_SERVE_FROM_SUB_PATH=true"
logger=settings t=2025-05-02T09:02:55.600125235Z level=info msg="Config overridden from Environment variable"<br/>
**Grafana 404 Page Not Found: Troubleshooting and Solutions**
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**Q: What is a 404 page not found error in Grafana?**
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A: A 404 page not found error in Grafana is an HTTP status code that indicates that the requested resource (in this case, the Grafana web page) could not be found on the server.

**Q: What are the possible causes of a 404 page not found error in Grafana?**
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A: The possible causes of a 404 page not found error in Grafana include:

*   **Incorrect URL**: The URL of the Grafana web page may be incorrect or not properly configured.
*   **Database issues**: Issues with the database, such as a locked database or a missing database file, can cause a 404 page not found error.
*   **Plugin issues**: Issues with plugins, such as a missing or corrupted plugin file, can cause a 404 page not found error.
*   **Configuration issues**: Issues with the Grafana configuration file, such as a missing or incorrect configuration setting, can cause a 404 page not found error.

**Q: How can I troubleshoot a 404 page not found error in Grafana?**
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A: To troubleshoot a 404 page not found error in Grafana, follow these steps:

1.  **Check the URL**: Verify that the URL of the Grafana web page is correct and properly configured.
2.  **Check the database**: Check the database for any issues, such as a locked database or a missing database file.
3.  **Check plugins**: Check the plugins for any issues, such as a missing or corrupted plugin file.
4.  **Check configuration**: Check the Grafana configuration file for any issues, such as a missing or incorrect configuration setting.
5.  **Check the logs**: Check the logs for any error messages that may indicate the cause of the 404 page not found error.

**Q: How can I resolve a 404 page not found error in Grafana?**
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A: To resolve a 404 page not found error in Grafana, follow these steps:

1.  **Correct the URL**: Correct the URL of the Grafana web page to ensure it is correct and properly configured.
2.  **Resolve database issues**: Resolve any issues with the database, such as unlocking the database or restoring a missing database file.
3.  **Resolve plugin issues**: Resolve any issues with plugins, such as reinstalling or updating the plugin file.
4.  **Resolve configuration issues**: Resolve any issues with the Grafana configuration file, such as updating or correcting the configuration setting.
5.  **Check the logs**: Check the logs for any error messages that may indicate the cause of the 404 page not found error and take corrective action.

**Q: What are some common error messages that may indicate a 404 page not found error in Grafana?**
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A: Some common error messages that may indicate a 404 page not found error in Grafana include:

*   **"404 Not Found"**: This error message indicates that the requested resource could not be found on the server.
*   **"Database is locked"**: This error message indicates that the database is locked and cannot be accessed.
*   **"Plugin not found"**: This error message indicates that the plugin file is missing or corrupted.
*   **"Configuration error"**: This error message indicates that there is an issue with the Grafana configuration file.

**Q: How can I prevent a 404 page not found error in Grafana?**
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A: To prevent a 404 page not found error in Grafana, follow these best practices:

1.  **Regularly check the URL**: Regularly check the URL of the Grafana web page to ensure it is correct and properly configured.
2.  **Regularly check the database**: Regularly check the database for any issues, such as a locked database or a missing database file.
3.  **Regularly check plugins**: Regularly check the plugins for any issues, such as a missing or corrupted plugin file.
4.  **Regularly check configuration**: Regularly check the Grafana configuration file for any issues, such as a missing or incorrect configuration setting.
5.  **Regularly check the logs**: Regularly check the logs for any error messages that may indicate the cause of a 404 page not found error.