Level / Level/community

Keep getting database not open and iterator not open when using level in NodeEnv

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Description

I have a simple Express server running Level and if I stop and start express sever back up a few times while testing I get issues with Lock file. How do I prevent?

ModuleError: Database is not open
at maybeOpened (C:\Users\kevin\projectdir\node_modules\abstract-level\abstract-level.js:133:18)
at C:\Users\kevin\projectdir\node_modules\abstract-level\abstract-level.js:160:13
at process.processTicksAndRejections (node:internal/process/task_queues:77:11) {
code: 'LEVEL_DATABASE_NOT_OPEN',
cause: [Error: IO error: LockFile ./db/LOCK: The process cannot access the file because it is being used by another process.

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First steps

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  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the reported errors in node_modules/abstract-level/abstract-level.js and review how the Express server and Level database are opened and stopped during repeated restarts. Reproduce the lock-file failure if possible; done means repeated stop-and-start cycles no longer produce “Database is not open” or “iterator not open” errors.

Written by the indexing model from the issue text.

Assessment

Tech stack
express, javascript, node.js
Domain
backend, databases
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
38/100

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