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# CrashLoopBackOff: A Complete Diagnostic Flowchart
- URL: https://debugly.dev/crashloopbackoff-kubernetes-diagnostic-guide/
- Published: 2026-03-11T09:30:00.000Z
- Updated: 2026-10-17T05:49:23.000Z
- Description: CrashLoopBackOff is not an error, it is a symptom with about nine distinct causes. Here is how to identify which one you have in under three minutes.
- Author: Rohit Bhadani
- Tags: Kubernetes, DevOps, Error Autopsy, Docker

| Exit code | Meaning                          | Cause below |
| --------- | -------------------------------- | ----------- |
| 0         | Process completed successfully   | 8           |
| 1         | Generic application error        | 1           |
| 2         | Shell misuse or bad argument     | 3           |
| 126       | Command found but not executable | 3           |
| 127       | Command not found                | 3           |
| 137       | 128 plus 9, SIGKILL, usually OOM | 2           |
| 139       | 128 plus 11, SIGSEGV             | 7           |
| 143       | 128 plus 15, SIGTERM             | 6           |

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Published on [debugly.dev](https://debugly.dev/) by [Rohit Bhadani](https://debugly.dev/about/) | Founder of [Krova Cloud](https://krova.cloud/?ref=debugly.dev)