toolbox_component_error_telemetry_09_03_2026_summary.md

DevTools Toolbox Error Analysis - Component (React) Errors

Period: 2026-02-27 13:57 to 2026-03-06 14:54 Total Errors: 20

Overview

The analysis reveals 20 component (React) errors, with the most common error being 'TypeError' (65.0%). 55.0% occur on aurora. Darwin users account for 60.0% of all errors.

Platform Distribution

• Darwin: 12 errors (60.0%)
• Windows: 8 errors (40.0%)

Channel Distribution

• aurora: 11 errors (55.0%)
• default: 8 errors (40.0%)
• nightly: 1 errors (5.0%)

Error Breakdown by Category

1. TypeError in TreeNodeClass - 5 errors (25.0%)

Component:

• Primary: TreeNodeClass

Error location:

renderItem@resource://devtools/client/debugger/src/components/PrimaryPanes/Tracer.js:447:13

Affected:

• Channels: default (5)
• Platforms: Darwin (5)

2. TypeError in ConsoleSettings - 4 errors (20.0%)

Component:

• Primary: ConsoleSettings

Error location:

get doc@resource://devtools/client/framework/toolbox.js:616:5

Affected:

• Channels: aurora (4)
• Platforms: Windows (3), Darwin (1)

3. undefined in MessageContainer - 1 errors (5.0%)

Component:

• Primary: MessageContainer

Affected:

• Channels: aurora (1)
• Platforms: Windows (1)

4. InternalError in ResponsePanel - 1 errors (5.0%)

Component:

• Primary: ResponsePanel

Error location:

parseJSON@resource://devtools/client/netmonitor/src/utils/request-utils.js:719:51

Affected:

• Channels: aurora (1)
• Platforms: Windows (1)

5. TypeError in JSTerm - 1 errors (5.0%)

Component:

• Primary: JSTerm

Error location:

componentDidMount@resource://devtools/client/webconsole/components/Input/JSTerm.js:521:24

Affected:

• Channels: default (1)
• Platforms: Darwin (1)

6. undefined in RequestListContentComponent - 1 errors (5.0%)

Component:

• Primary: RequestListContentComponent

Affected:

• Channels: aurora (1)
• Platforms: Darwin (1)

7. TypeError in JSTerm - 1 errors (5.0%)

Component:

• Primary: JSTerm

Error location:

imperativeUpdate@resource://devtools/client/webconsole/components/Input/JSTerm.js:644:61

Affected:

• Channels: default (1)
• Platforms: Darwin (1)

8. TypeError in JSTerm - 1 errors (5.0%)

Component:

• Primary: JSTerm

Error location:

setOption@resource://devtools/client/shared/sourceeditor/editor.js:3479:10

Affected:

• Channels: default (1)
• Platforms: Darwin (1)

9. InternalError in ResponsePanel - 1 errors (5.0%)

Component:

• Primary: ResponsePanel

Error location:

removeXSSIString@resource://devtools/client/netmonitor/src/utils/request-utils.js:783:41

Affected:

• Channels: aurora (1)
• Platforms: Windows (1)

10. TypeError in MenuButton - 1 errors (5.0%)

Component:

• Primary: MenuButton

Error location:

UNSAFE_componentWillReceiveProps@resource://devtools/client/shared/components/menu/MenuButton.js:135:17

Affected:

• Channels: nightly (1)
• Platforms: Darwin (1)

Top Error Types Summary

1. TypeError in TreeNodeClass - 5 occurrences (25.0%)
2. TypeError in ConsoleSettings - 4 occurrences (20.0%)
3. undefined in MessageContainer - 1 occurrences (5.0%)
4. InternalError in ResponsePanel - 1 occurrences (5.0%)
5. TypeError in JSTerm - 1 occurrences (5.0%)
6. undefined in RequestListContentComponent - 1 occurrences (5.0%)
7. TypeError in JSTerm - 1 occurrences (5.0%)
8. TypeError in JSTerm - 1 occurrences (5.0%)
9. InternalError in ResponsePanel - 1 occurrences (5.0%)
10. TypeError in MenuButton - 1 occurrences (5.0%)

Actionable Insights

• 1. TypeError in TreeNodeClass accounts for 25.0% of all errors (5 occurrences)
• 3. Platform-specific: TypeError in TreeNodeClass is predominantly on Darwin (5/5 errors)

Recommendations

Priority 1: TypeError in TreeNodeClass

• File location: devtools/client/debugger/src/components/PrimaryPanes/Tracer.js:447:13
• Impact: 25.0% of all errors

Priority 2: TypeError in ConsoleSettings

• File location: devtools/client/framework/toolbox.js:616:5
• Impact: 20.0% of all errors

Priority 3: undefined in MessageContainer

• Impact: 5.0% of all errors

Priority 4: InternalError in ResponsePanel

• File location: devtools/client/netmonitor/src/utils/request-utils.js:719:51
• Impact: 5.0% of all errors

Priority 5: TypeError in JSTerm

• File location: devtools/client/webconsole/components/Input/JSTerm.js:521:24
• Impact: 5.0% of all errors

---

DevTools Toolbox Component (React) Errors (7-day analysis)

20 errors recorded from 2026-02-27 13:57 to 2026-03-06 14:54. Top issues: TypeError in TreeNodeClass (5 errors), TypeError in ConsoleSettings (4 errors), undefined in MessageContainer (1 errors). aurora channel represents 55.0% of errors. Darwin accounts for 60.0% of errors.