# Travis CI: Major incident: Network Connectivity Errors

**Summary:** Travis CI reported a major incident involving build failures from unsuccessful TLS handshakes to whereami.travis-ci.com:443, affecting Linux, Windows and Mac build processing. It started at 2019-08-08 07:29 UTC and was resolved at 2019-08-08 14:19 UTC, lasting 6 h 50 min. Affected production systems were removed from the pool; all builds were back to normal by 10:52 UTC. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2019-08-08 07:29 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: http://stspg.io/b7640db55](http://stspg.io/b7640db55)
- [Company: Travis CI](https://rewindex.com/company/travis-ci.md)
- Versions: before (none: first archived) → after incident\_version:213/bmh7gcb0v95t@ce72cb74d2c3
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Network Connectivity Errors
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2019-08-08 07:29 UTC
```

**5. Added: Resolved time**

```diff
+ 2019-08-08 14:19 UTC
```

**6. Added: Affected components**

```diff
+ Builds Processing - Linux and Windows Builds, Builds Processing - Mac Builds, Linux and Windows Builds
```

**7. Added: Update** (investigating) · 2019-08-08 07:29 UTC

```diff
+ We have received several reports of builds failing due to an unsuccessful TLS handshake to *whereami.travis-ci.com:443* on one of our production servers. We are opening this incident to acknowledge the issue and also keep you posted on our work to solve it. Thank you for your patience.
```

**8. Added: Update** (investigating) · 2019-08-08 07:41 UTC

```diff
+ We are continuing to investigate this issue.
```

**9. Added: Update** (identified) · 2019-08-08 07:50 UTC

```diff
+ We have identified the production systems affected by this issue and have removed these from the pool. No new builds will be affected by this, existing builds in the pool will be allowed to finish but might have network connectivity issues. Please expect additional updates shortly. Thank you
```

**10. Added: Update** (monitoring) · 2019-08-08 10:52 UTC

```diff
+ Builds that were running on the affected pool have now finished and all builds are back to normal. We're monitoring closely and will post again once we're in the clear.
```

**11. Added: Update** (monitoring) · 2019-08-08 13:45 UTC

```diff
+ Builds are back to running normally. We will continue to monitor the situation for a short while before closing the incident.
```

**12. Added: Update** (resolved) · 2019-08-08 14:19 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2019-08-08 07:29 UTC | Major incident: Network Connectivity Errors (this change) | outage |

All Travis CI changes: [timeline](https://rewindex.com/company/travis-ci/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/icf3e4c51848aff · Markdown: https://rewindex.com/change/icf3e4c51848aff.md · JSON: https://rewindex.com/api/v1/changes/icf3e4c51848aff · Generated 2026-10-18T02:31:26.881Z