claude-code - 💡(How to fix) Fix [BUG] Claude Code CLI hangs in infinite "Reticulating..." loop during large file analysis (HandleInertiaRequests.php) [1 comments, 2 participants]

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anthropics/claude-code#52399Fetched 2026-04-24 06:08:13
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Error Message

No Timeout: The CLI does not self-terminate or throw a timeout error. Analysis Timeout: Implement a timeout for file scanning (especially for heavy middleware like HandleInertiaRequests.php which often triggers deep tree-shaking or dependency analysis) that returns a "Task too complex" error instead of a silent hang.

Error Messages/Logs

Fix Action

Fix / Workaround

Attempted Workarounds

RAW_BUFFERClick to expand / collapse

Preflight Checklist

  • I have searched existing issues and this hasn't been reported yet
  • This is a single bug report (please file separate reports for different bugs)
  • I am using the latest version of Claude Code

What's Wrong?

escription

While using the Claude Code CLI to perform a series of refactoring tasks on a Laravel 12 / Inertia.js project, the tool becomes unresponsive, remaining in the "Reticulating..." state for over an hour.

The hang occurs specifically when Claude attempts to analyze and modify middleware files (specifically HandleInertiaRequests.php), likely due to the recursive analysis of global state sharing or large project structures. Steps to Reproduce

Provide a large set of instructions (approx. 40+ points) covering backend (Laravel) and frontend (Vue 3) changes.

Observe Claude starting the analysis phase.

The CLI enters the "Searching for patterns / Reading files" phase.

It hangs on app/Http/Middleware/HandleInertiaRequests.php (or similar core middleware).

The timer in "Reticulating..." continues to climb (reached 57m 51s in my case) with very low token throughput (downward arrow showing ~1.9k tokens).

Environment Information

OS: Ubuntu 24.04 (via VPS) / Windows (specify yours)

Project Stack: Laravel 12, Inertia.js v3, Vue 3, PostgreSQL.

Claude Code Version: Latest (as of April 2026).

Terminal: VS Code Integrated Terminal / PowerShell / Bash.

Observed Behavior

High CPU usage: The process remains active but doesn't output code.

Low Token Throughput: Despite the long duration, the token count remains extremely low, suggesting a logic loop rather than a heavy generation task.

No Timeout: The CLI does not self-terminate or throw a timeout error.

Attempted Workarounds

Ctrl + C is required to kill the process.

Running claude-mem clear temporarily resolves the issue, but it recurs when re-submitting complex instructions.

Expected Behavior

Claude should either:

Break the task into smaller sub-tasks automatically.

Throw a "Context window nearly full" or "Analysis too complex" warning instead of hanging.

Respect a reasonable timeout for file scanning.

What Should Happen?

Graceful Degradation: Instead of hanging indefinitely, Claude Code should detect if an analysis is taking longer than a specific threshold (e.g., 5 minutes) and prompt the user to break the task into smaller sub-tasks.

Analysis Timeout: Implement a timeout for file scanning (especially for heavy middleware like HandleInertiaRequests.php which often triggers deep tree-shaking or dependency analysis) that returns a "Task too complex" error instead of a silent hang.

Incremental Progress Updates: The CLI should provide more granular feedback during the "Reticulating..." phase (e.g., "Analyzing dependencies of X", "Mapping route Y") so the user can identify exactly which file or logic block is causing the bottleneck.

Context Management: Claude should automatically suggest a claude-mem clear or a context prune when it detects that the accumulated history is hindering its ability to process new, complex instructions.

Circuit Breaker: If the token throughput drops below a certain level for more than a few minutes while the process is active, the tool should trigger a "Self-Diagnostic" or offer to skip the current file.

Error Messages/Logs

Steps to Reproduce

Initialize Claude Code in a medium-to-large Laravel/Inertia.js project (e.g., +200 files, multiple middlewares, and Vue 3 components).

Submit a complex prompt containing a multi-step refactoring plan (approx. 30-40 distinct technical requirements).

Note: My prompt included logic for geolocation, admin impersonation, database schema changes, and middleware optimization for CSRF/Session handling.

Trigger File Analysis: Claude starts scanning the project to map dependencies.

Observe the hang: The process stalls upon reaching app/Http/Middleware/HandleInertiaRequests.php.

Monitor Resources: The "Reticulating..." timer continues to climb indefinitely (exceeded 50 minutes in my test) while the token throughput remains stagnant at a very low value (~1.9k tokens), indicating a computational loop rather than active generation.

Attempt Interruption: Normal operation does not resume; only a hard Ctrl+C termination stops the process.

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

No response

Claude Code Version

all

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

No response

extent analysis

TL;DR

The issue can be mitigated by implementing a timeout for file scanning and providing incremental progress updates during the analysis phase.

Guidance

  • Implement a timeout for file scanning to prevent indefinite hangs, returning a "Task too complex" error instead.
  • Provide more granular feedback during the "Reticulating..." phase to help identify bottlenecks.
  • Consider adding a circuit breaker to trigger a self-diagnostic or skip the current file if token throughput drops below a certain level.
  • Run claude-mem clear temporarily to resolve the issue, but note that it may recur with complex instructions.

Example

No code snippet is provided as the issue does not specify a particular code block that needs modification.

Notes

The issue seems to be related to the complexity of the project and the analysis phase of Claude Code. The provided steps to reproduce are quite extensive, and it's unclear which specific part of the process is causing the hang.

Recommendation

Apply a workaround by implementing a timeout for file scanning and providing incremental progress updates. This should help mitigate the issue until a more permanent fix is available.

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