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79 lines
4.9 KiB
Plaintext
79 lines
4.9 KiB
Plaintext
---
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title: "Data directories and logs"
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description: "Where OpenIDEA keeps its settings, user data, caches, downloaded tools and logs, and how to move the rebuildable data to another drive."
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---
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OpenIDEA's application id is `ai.l0ng.openidea`, and every directory below is named after it.
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## Locations
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| | macOS | Windows | Linux |
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| ------------------------ | ------------------------------------------------ | -------------------------------------- | -------------------------------------- |
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| Configuration | `~/Library/Application Support/ai.l0ng.openidea` | `%APPDATA%\ai.l0ng.openidea` | `~/.config/ai.l0ng.openidea` |
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| User data | `~/Library/Application Support/ai.l0ng.openidea` | `%APPDATA%\ai.l0ng.openidea` | `~/.local/share/ai.l0ng.openidea` |
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| Local data (rebuildable) | `~/Library/Application Support/ai.l0ng.openidea` | `%LOCALAPPDATA%\ai.l0ng.openidea` | `~/.local/share/ai.l0ng.openidea` |
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| Logs | `~/Library/Logs/ai.l0ng.openidea` | `%LOCALAPPDATA%\ai.l0ng.openidea\logs` | `~/.local/share/ai.l0ng.openidea/logs` |
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On macOS and Linux some of these are the same folder. **About OpenIDEA** shows the configuration directory and has **Open Configuration Folder**.
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### Configuration
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- `settings.toml`: your global settings. See the [settings reference](/en/reference/settings).
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- `recent.json`, `recent-groups.json`: recent projects and their groups.
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- `languages/`: language definitions you added or overrode.
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### User data
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- `plugins/`: installed plugins.
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- `scratches/`: scratch files.
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- `history/`: Local History of every project.
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- `project-trust.json`: trusted projects and locations.
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### Local data
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Everything here can be downloaded or rebuilt, so it is safe to delete while OpenIDEA is closed:
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- `tools/`: language servers, debug adapters, formatters and JDKs that OpenIDEA installed.
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- `language-server-runtimes/`: runtimes the language servers run on.
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- `index/`: the symbol index of each project.
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- `cache/`: build tool sync results (Maven, Gradle) and other caches.
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- `lsp/`: language server workspaces, such as the Java server's import data.
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- `notebook-runtime/`, `server/`: the notebook runtime and remote-development server downloads.
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- `agents/tools/`, `agents/registry.json`: agent tools and the agent registry.
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To clear caches from inside the IDE, use **File › Invalidate Caches…**. The symbol index and syntax caches are always rebuilt; you can also check **Clear file system cache and Local History**, **Clear language server workspaces (Java import data and indexes)** and **Clear build tool caches (Maven / Gradle sync results)**. Choose **Invalidate and Restart**: the caches are removed at the next start, before any project opens.
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## Project folder
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Each project keeps its own files in `.openidea/` at the project root:
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- `settings.toml`: settings saved with **This project** selected.
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- `run.toml`: run configurations stored as project files, meant to be committed.
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- `run.local.toml`: run configurations kept to yourself. OpenIDEA adds it to `.openidea/.gitignore`.
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- `workspace.json`: the projects of a workspace.
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## Move the local data
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The local data can grow large (JDKs, language servers, indexes). To keep it on another drive, set `OPENIDEA_LOCAL_DATA_DIR` to an absolute path before starting OpenIDEA. The IDE then uses `<OPENIDEA_LOCAL_DATA_DIR>/ai.l0ng.openidea` and creates it if missing.
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On Windows, for example:
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```bat
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setx OPENIDEA_LOCAL_DATA_DIR "E:\OpenIDEA"
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```
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On macOS and Linux, set it in the environment OpenIDEA starts from.
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- If the path is relative or can't be written to, OpenIDEA shows an error and exits instead of falling back to the default location.
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- Configuration, user data and logs stay where they are. Logs are still written when the variable is wrong, so you can find out why.
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- Existing data is not moved. Either let OpenIDEA download and rebuild it, or quit OpenIDEA and move only `tools/`, `language-server-runtimes/`, `index/`, `cache/`, `lsp/`, `notebook-runtime/`, `server/`, `logs/`, `agents/tools/`, `agents/registry.json` and the top-level `java-usages-*.jar` / `java-usages-*.tmp` files, keeping their relative paths. Leave everything else in place.
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## Logs
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OpenIDEA writes one log file per day, `openidea.<date>.log`, and keeps the last 7. Panics are written to the current log too.
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- Open the folder with **Help › Show Log in Finder** (macOS), **Help › Show Log in Explorer** (Windows) or **Help › Show Log in Files** (Linux). The same link is in **About OpenIDEA**.
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- For more detail, start OpenIDEA with the `RUST_LOG` environment variable set, for example `RUST_LOG=debug`. The default is `info`, with debug output from the app itself.
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Attach the log when you [report a problem](/en/reference/troubleshooting#report-a-problem).
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