# Error: State data in S3 does not have the expected content: unexpected end of JSON input

- **ID:** `terraform/terraform-state-version-mismatch`
- **Domain:** terraform
- **Category:** data_error
- **Verification:** ai_generated
- **Fix Rate:** 70%

## Root Cause

The state file in the backend is empty, corrupted, or truncated, often due to concurrent writes or incomplete uploads.

## Version Compatibility

| Version | Status | Introduced | Deprecated |
|---------|--------|------------|------------|
| Terraform v1.5 | active | — | — |
| Terraform v1.6 | active | — | — |
| Terraform v1.7 | active | — | — |
| Terraform v1.8 | active | — | — |

## Workarounds

1. **Restore the state file from a previous backup version in S3 (if versioning is enabled) using AWS CLI: 'aws s3api get-object-version --bucket <bucket> --key <key> --version-id <version-id> terraform.tfstate.backup'.** (85% success)
   ```
   Restore the state file from a previous backup version in S3 (if versioning is enabled) using AWS CLI: 'aws s3api get-object-version --bucket <bucket> --key <key> --version-id <version-id> terraform.tfstate.backup'.
   ```
2. **If no backup exists, use 'terraform state pull' to download the current state, manually fix the JSON if possible, then push it back using 'terraform state push fixed.tfstate'.** (50% success)
   ```
   If no backup exists, use 'terraform state pull' to download the current state, manually fix the JSON if possible, then push it back using 'terraform state push fixed.tfstate'.
   ```

## Dead Ends

- **** — Reinitialization does not fix a corrupted state file; it only reconfigures the backend connection. (90% fail)
- **** — Deleting the state file without a backup leads to complete loss of state, requiring manual re-import of all resources, which is error-prone. (80% fail)
- **** — 'terraform state pull' only downloads the state as-is; it does not repair corrupted data. (95% fail)