Plugin Installation Failed in IntelliJ IDEA – How Can I Resolve This?

Answered

Hello,

I'm encountering an issue while trying to install a plugin in IntelliJ IDEA, and I’m hoping to get some guidance on how to resolve it. Here’s a detailed description of the problem and the steps I’ve already taken:

Issue Description

Whenever I attempt to install a plugin from the IntelliJ IDEA plugin marketplace, the installation process starts but fails to complete successfully. Sometimes, I receive an error message, while other times the process simply halts without any clear feedback. This has prevented me from using essential plugins for my project.

Steps I’ve Tried So Far

  1. Restarting IntelliJ IDEA: I restarted the IDE after the failed installation attempt.
  2. Internet Connection Check: I verified that my internet connection is stable and unrestricted.
  3. Manual Installation Attempt: I downloaded the plugin’s .jar file from the JetBrains website and tried installing it via the Install Plugin from Disk option.
  4. Permissions Check: Ensured that I have the necessary permissions to install software on my system.
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2 comments

Could you please collect the zipped log folder from “Help | Collect Logs and Diagnostic Data” after a quick reproduction of the issue and upload it to https://uploads.jetbrains.com/, and let us know the upload ID?

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1. Check IntelliJ IDEA Logs

IntelliJ IDEA provides detailed logs that can help diagnose plugin installation problems. To access the logs:

  • Go to Help > Show Log in Explorer/Finder.
  • Open the most recent log file and search for any errors related to the plugin installation.
  • Look for keywords like Plugin, Error, or Installation.

2. Verify Plugin Compatibility

Ensure that the plugin is compatible with your version of IntelliJ IDEA. To do this:

  • Open the plugin's page in the JetBrains Plugin Repository: JetBrains Plugins.
  • Check the Supported Versions section to confirm compatibility with your IDE version.
  • If the plugin is incompatible, you may need to update IntelliJ IDEA or find an alternative plugin.

3. Update IntelliJ IDEA

Using an outdated version of IntelliJ IDEA can sometimes cause plugin installation issues. Check for updates:

  • Go to Help > Check for Updates.
  • If an update is available, download and install it, then retry installing the plugin.

4. Clear Plugin Cache

Corrupted plugin cache files can interfere with installation. Try clearing the plugin cache:

  1. Close IntelliJ IDEA.
  2. Navigate to the config/plugins directory in IntelliJ IDEA's configuration folder:
    • Windows: C:\Users\<YourUsername>\.IntelliJIdea<Version>\config\plugins
    • macOS: ~/Library/Application Support/JetBrains/IntelliJIdea<Version>/plugins
    • Linux: ~/.config/JetBrains/IntelliJIdea<Version>/plugins
  3. Delete the folder associated with the problematic plugin (if present).
  4. Restart IntelliJ IDEA and try reinstalling the plugin.

5. Install the Plugin Manually

If the marketplace installation fails, manual installation is a good fallback:

  1. Download the plugin .zip or .jar file from the JetBrains Plugin Repository.
  2. Go to File > Settings > Plugins > Gear Icon > Install Plugin from Disk in IntelliJ IDEA.
  3. Select the downloaded file and click OK.

6. Check Network Proxy Settings

If your internet connection is behind a proxy or firewall, it may block plugin downloads:

  • Go to File > Settings > Appearance & Behavior > System Settings > HTTP Proxy.
  • Ensure the proxy settings are correctly configured, or select No Proxy if your network doesn’t require one.
  • Test the connection and retry the installation.

7. Contact JetBrains Support

If none of the above steps work, it might be a deeper issue requiring assistance from JetBrains.

  • Visit the JetBrains Support Page.
  • Please provide them with your logs and a detailed description of the issue.
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