The error message typically occurs when a user tries to extract specific files using wildcards (like * ) and the shell expands that wildcard before the unzip command can process it. In many cases involving complex software installers like Oracle , this error is a sign that the installation media is incomplete or the current working directory is incorrect. 1. The Root Cause: Shell vs. Internal Expansion
If the error persists despite correct quoting, trace system calls: "unzip: cannot find any matches for wildcard specification"
Fixes and commands (Linux / macOS shells) The Root Cause: Shell vs
In Linux and Unix-like environments, the shell (Bash, Zsh) performs "globbing" or wildcard expansion. If you are trying to unzip a file named stage_components.zip using a wildcard, the shell looks for a file that fits that description. If the file is inside a different directory or the pattern is slightly off, the shell passes the raw asterisk to unzip . Because unzip does not inherently understand shell-level wildcards without specific syntax, it returns the "cannot find any matches" error. How to Fix It If the file is inside a different directory
Ensure the directory has at least 50MB of free space and is writable. 4. Verify Archive Integrity
Here is a useful guide on why this happens and how to fix it.
CI/CD Pipelines: This error frequently pops up in GitHub Actions or GitLab CI when extracting build artifacts. Always use quotes in your YAML scripts.