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Fix GitHub Actions Workflow Failed

Resolve GitHub Actions workflow failed errors by checking workflow syntax, runner issues, and step failures.

Published: Apr 11, 20267 min readBy FixWikiHub Editorial Team

Abstract illustration for a troubleshooting knowledge base category.

Introduction

GitHub Actions workflows fail during execution. Steps return non-zero exit codes, runners encounter errors, or workflow syntax is invalid.

Symptoms

Workflow failed:

bash

Run ./.github/workflows/ci.yml
Error: Process completed with exit code 1.

Step failed:

bash

Run npm test
Error: npm ERR! Test failed.  See above for more details.
Error: Process completed with exit code 1.

Runner error:

bash

Error: The runner was unable to complete the job due to an unexpected error.

Common Causes

1.Syntax error - Invalid workflow YAML syntax
2.Missing secrets - Required secrets not configured
3.Step failure - Command returns non-zero exit code
4.Timeout - Job exceeds time limit
5.Runner issues - Self-hosted runner problems
6.Dependency failure - Previous step failed
7.Permission denied - Insufficient permissions

Step-by-Step Fix

Step 1: Check Workflow Syntax

```bash # Validate workflow syntax locally: # Use actionlint: actionlint .github/workflows/ci.yml

# Use yamllint: yamllint .github/workflows/ci.yml

# Check YAML parsing: python3 -c "import yaml; yaml.safe_load(open('.github/workflows/ci.yml'))"

# Common syntax errors: # - Incorrect indentation # - Missing required fields # - Invalid action reference # - Wrong condition syntax

# View workflow in GitHub UI: # Actions -> Workflows -> ci.yml -> View workflow file ```

Step 2: Check Failed Step Logs

```bash # View logs in GitHub UI: # Actions -> Run -> Failed job -> Failed step

# Download logs via API: gh run download RUN_ID

# View logs locally: cat logs/job-1/step-1.txt

# Check step output: gh run view RUN_ID --log | grep -A 50 "step-name"

# Look for: # - Error messages # - Exit codes # - Stack traces # - Timeout messages ```

Step 3: Check Secrets and Environment

```bash # Check if secrets configured: # Repository -> Settings -> Secrets and variables -> Actions

# List secrets via API: gh secret list

# Check environment variables in workflow: env: MY_VAR: ${{ secrets.MY_SECRET }}

# Common secret issues: # - Secret name case mismatch # - Secret not set # - Secret empty

# Debug secrets (DO NOT print secrets): - name: Check secret exists if: ${{ secrets.MY_SECRET == '' }} run: echo "Secret not set" ```

Step 4: Check Runner Status

```bash # For self-hosted runners:

# List runners: gh api repos/OWNER/REPO/actions/runners | jq '.runners[] | {name: .name, status: .status}'

# Check runner logs: # On runner host: journalctl -u actions.runner.* -f

# Check runner process: ps aux | grep runner

# Runner diagnostics: ./run.sh --diagnostic

# Check runner disk space: df -h

# Check runner memory: free -h

# Restart runner: systemctl restart actions.runner.* ```

Step 5: Debug Workflow Locally

```bash # Use act to run workflows locally: act -j job-name

# Run specific event: act push

# Run with secrets: act -s MY_SECRET=secret-value

# Dry run: act -n

# List jobs: act -l

# Run with specific platform: act -P ubuntu-latest=node:16 ```

Step 6: Check Step Conditions

```bash # Steps may be skipped due to conditions:

# Check if condition: - name: Run tests if: github.event_name == 'push'

# Check previous step success: - name: Deploy if: success()

# Check previous step failure: - name: Notify on failure if: failure()

# Always run: - name: Cleanup if: always()

# Matrix combinations: - name: Test if: matrix.node-version == '16'

# Check step was executed: gh run view RUN_ID --log | grep "step-name" ```

Step 7: Check Timeout Settings

```bash # Default timeout is 6 hours (360 minutes)

# Check timeout settings: jobs: build: timeout-minutes: 30

# Step-level timeout: steps: - name: Long running timeout-minutes: 10

# Check timeout in logs: gh run view RUN_ID --log | grep -i "timeout"

# Increase timeout if needed: jobs: build: timeout-minutes: 60 ```

Step 8: Check Permissions

```bash # Check GITHUB_TOKEN permissions: jobs: build: permissions: contents: read packages: write

# Check repository permissions: # Settings -> Actions -> General -> Workflow permissions

# Read/write permissions: permissions: contents: write pull-requests: write

# Check permission errors in logs: gh run view RUN_ID --log | grep -i "permission|forbidden|unauthorized"

# Debug token: - name: Debug token run: echo "${{ github.token }}" | md5sum # DO NOT print actual token ```

Step 9: Check Matrix and Strategy

```bash # Matrix configuration issues:

# Check matrix definition: strategy: matrix: node: [14, 16, 18] os: [ubuntu-latest, macos-latest]

# Check fail-fast: strategy: fail-fast: false

# Check max-parallel: strategy: max-parallel: 4

# Debug matrix values: - name: Debug matrix run: | echo "Node: ${{ matrix.node }}" echo "OS: ${{ matrix.os }}" ```

Step 10: Monitor Workflow Runs

```bash # List recent runs: gh run list --limit 10

# View run details: gh run view RUN_ID

# Watch running workflow: gh run watch RUN_ID

# Check run status: gh run view RUN_ID --json status,conclusion

# List failed runs: gh run list --status failure --limit 10

# Rerun workflow: gh run rerun RUN_ID

# Rerun failed jobs: gh run rerun RUN_ID --failed

# Check workflow usage: gh api repos/OWNER/REPO/actions/workflows | jq ```

GitHub Actions Workflow Failed Checklist

Check	Command	Expected
Workflow syntax	actionlint	No errors
Secrets configured	gh secret list	Required secrets
Runner status	gh api runners	online
Step logs	gh run view	No errors
Permissions	workflow file	Correct
Timeout	timeout-minutes	Sufficient

Verification

```bash # 1. Validate syntax actionlint .github/workflows/ci.yml // No errors

# 2. Test locally with act act -j build // Succeeds locally

# 3. Push changes git push // Triggers workflow

# 4. Watch workflow gh run watch // All steps pass

# 5. Check conclusion gh run view --json conclusion // success

# 6. Verify logs gh run view --log | grep -i error // No errors ```

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Last updated: Apr 11, 2026

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Fix GitHub Actions Workflow Failed

Introduction

Symptoms

Common Causes

Step-by-Step Fix

Step 1: Check Workflow Syntax

Step 2: Check Failed Step Logs

Step 3: Check Secrets and Environment

Step 4: Check Runner Status

Step 5: Debug Workflow Locally

Step 6: Check Step Conditions

Step 7: Check Timeout Settings

Step 8: Check Permissions

Step 9: Check Matrix and Strategy

Step 10: Monitor Workflow Runs

GitHub Actions Workflow Failed Checklist

Verification

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FixWikiHub Editorial Team

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Official Documentation & Further Reading

Fix GitHub Actions Workflow Failed

Introduction

Symptoms

Common Causes

Step-by-Step Fix

Step 1: Check Workflow Syntax

Step 2: Check Failed Step Logs

Step 3: Check Secrets and Environment

Step 4: Check Runner Status

Step 5: Debug Workflow Locally

Step 6: Check Step Conditions

Step 7: Check Timeout Settings

Step 8: Check Permissions

Step 9: Check Matrix and Strategy

Step 10: Monitor Workflow Runs

GitHub Actions Workflow Failed Checklist

Verification

Related Issues

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