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gemini-cli - 💡(How to fix) Fix Logger keeps stale session ID after /clear [1 participants]

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google-gemini/gemini-cli#27280•Fetched 2026-05-20 03:59:29
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jpmartins98jpmartins98
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Root Cause

/clear creates a new session ID and updates config. The session stats UI also listens to the clear event and updates. But useLogger() creates a Logger once using config.getSessionId(). Its dependency array is only [config], and config is the same object after /clear. So logs may continue to be written under the old session ID. This does not directly control resume, but it makes debugging misleading because logs and chat files disagree.

Code Example

useEffect(() => {
    const newLogger = new Logger(config.getSessionId(), config.storage);
    // ...
  }, [config]);

---

newSessionId = randomUUID();
  config.resetNewSessionState(newSessionId);

---

const handleClear = (newSessionId?: string) => {
    setStats((prevState) => ({
      ...prevState,
      sessionId: newSessionId || prevState.sessionId,

---

╭─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╮
│                                                                                                                                                                                                                                                                                 │
│ About Gemini CLI                                                                                                                                                                                                                                                                │
│                                                                                                                                                                                                                                                                                 │
│ CLI Version                                                                                    0.42.0                                                                                                                                                                           │
│ Git Commit                                                                                     68e2196d5                                                                                                                                                                        │
│ Model                                                                                          Auto (Gemini 3)                                                                                                                                                                  │
│ Sandbox                                                                                        no sandbox                                                                                                                                                                       │
│ OS                                                                                             linux                                                                                                                                                                            │
│ Auth Method                                                                                    Signed in with Google                                                                                                                             │
│ Tier                                                                                           Gemini Code Assist in Google One AI Pro                                                                                                                                          │
│                                                                                                                                                                                                                                                                                 │
╰─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯
RAW_BUFFERClick to expand / collapse

What happened?

/clear creates a new session ID and updates config. The session stats UI also listens to the clear event and updates. But useLogger() creates a Logger once using config.getSessionId(). Its dependency array is only [config], and config is the same object after /clear. So logs may continue to be written under the old session ID. This does not directly control resume, but it makes debugging misleading because logs and chat files disagree.

packages/cli/src/ui/hooks/useLogger.ts:16

  useEffect(() => {
    const newLogger = new Logger(config.getSessionId(), config.storage);
    // ...
  }, [config]);

packages/cli/src/ui/commands/clearCommand.ts:42

  newSessionId = randomUUID();
  config.resetNewSessionState(newSessionId);

packages/cli/src/ui/contexts/SessionContext.tsx:220

  const handleClear = (newSessionId?: string) => {
    setStats((prevState) => ({
      ...prevState,
      sessionId: newSessionId || prevState.sessionId,

What did you expect to happen?

The logger should follow the active session ID. It could listen to uiTelemetryService.clear, or useLogger() could depend on a session ID value rather than the stable config object. Logs should be reliable evidence for the current session. After /clear, new log entries should use the new session ID.

Client information

<details> <summary>Client Information</summary>

Run gemini to enter the interactive CLI, then run the /about command.

╭─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╮
│                                                                                                                                                                                                                                                                                 │
│ About Gemini CLI                                                                                                                                                                                                                                                                │
│                                                                                                                                                                                                                                                                                 │
│ CLI Version                                                                                    0.42.0                                                                                                                                                                           │
│ Git Commit                                                                                     68e2196d5                                                                                                                                                                        │
│ Model                                                                                          Auto (Gemini 3)                                                                                                                                                                  │
│ Sandbox                                                                                        no sandbox                                                                                                                                                                       │
│ OS                                                                                             linux                                                                                                                                                                            │
│ Auth Method                                                                                    Signed in with Google                                                                                                                             │
│ Tier                                                                                           Gemini Code Assist in Google One AI Pro                                                                                                                                          │
│                                                                                                                                                                                                                                                                                 │
╰─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯
</details>

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gemini-cli - 💡(How to fix) Fix Logger keeps stale session ID after /clear [1 participants]