vllm - 💡(How to fix) Fix [Installation]: [1 comments, 2 participants]

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vllm-project/vllm#39497Fetched 2026-04-11 06:13:17
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Code Example

The output of `python collect_env.py`

---

pip install -vvv vllm
RAW_BUFFERClick to expand / collapse

Your current environment

The output of `python collect_env.py`

How you are installing vllm

pip install -vvv vllm

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extent analysis

TL;DR

The issue with installing vllm using pip may be related to compatibility or dependency issues, and trying a different installation approach or checking the dependencies might help.

Guidance

  • Verify that the Python version (3.14) is compatible with the vllm package and its dependencies.
  • Check the vllm.error.log file for specific error messages that could indicate the cause of the installation failure.
  • Consider installing vllm without the --pre flag to ensure that only stable versions are installed.
  • Review the dependencies listed in the --extra-index-url parameters to ensure they are compatible with the current environment.

Notes

The provided information does not include the exact error message from the installation attempt, which could be crucial in determining the root cause of the issue.

Recommendation

Apply workaround: Try installing vllm without the --pre flag and with a stable version of the dependencies to see if the issue persists.

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