Cannot create cache directory .. or directory is not writable. Proceeding without cache in Laravel

Stefan Izdrail

Founder & Senior Architect · 2026-06-29

Laravel Company
Title: Cannot create cache directory or directory is not writable? Proceeding without cache in Laravel Introduction: In the world of web development, error handling is one of the essential aspects that need attention. One such common issue developers come across while working with Laravel applications is "Cannot create cache directory or directory is not writable". This article aims to provide a comprehensive overview of this problem and its solutions from a developer's perspective. The Issue: Laravel, being a popular framework, comes equipped with several features that improve development efficiency, including caching. Caching allows for faster retrieval of data by storing it temporarily in memory or on disk. However, sometimes due to insufficient permissions or other issues, the composer installation process generates warnings like "Cannot create cache directory /home/w3cert/.composer/cache/repo/https---packagist.org/, or directory is not writable. Proceeding without cache." Possible Causes: The error message can be caused by multiple factors, some of which are: 1. Incorrect permissions on the specified cache directory. 2. Network connectivity issues during package installation. 3. Insufficient disk space in the specified location. 4. Conflicting processes blocking access to the specified path. 5. The cache directory already exists but is empty or not writable for some other reason. Solution: To resolve this issue, follow these steps: Step 1: Grant Required Permissions to Cache Directory Ensure that you have appropriate permissions on the specified cache directory. Modify the file system's permissions using the command line. For example, run 'chmod -R 755 ' to allow write access for users and groups without giving full control to others. Step 2: Check Network Connectivity Verify that internet connectivity is working correctly. Try pinging a web address or check if any other online services are accessible. If there's an issue with network connectivity, try restarting your router/modem or contacting your ISP for assistance. Step 3: Increase Disk Space in the Directory If the cache directory is already present but empty or has insufficient space, increase its size by either expanding the partition containing it or freeing up some space through deletion of unnecessary files. Step 4: Resolve Conflicting Processes Identify and stop any processes that may be blocking access to the specified path. You can use a command like 'sudo fuser -ks ' to terminate any process(es) on the cache directory. Step 5: Create New Cache Directory If none of the above solutions work, you might consider creating a new cache directory with appropriate permissions and in an alternative location where no conflicts are expected. Update your composer configuration to use this new path for caching purposes. This could be achieved by editing the "extra" section in your composer.json file or using the Composer Config command line utility. Conclusion: As a Laravel developer, you should always have a good understanding of various error messages and their possible causes. In case of "Cannot create cache directory or directory is not writable", following the above-mentioned steps will help mitigate this issue without compromising your application's functionality. Remember to regularly monitor your system for any other related errors, and keep optimizing your development environment for a smoother experience.