# Known Ruby debugging limitations [edit]

This page discusses known Ruby debugging limitations.

## Introduction

The ruby debugger is still under development and there are some limitations, which must be considered when debugging your application:

- Threads are not refreshed regularly, i.e. you do not see the threads your application creates before a breakpoint (or exception or end of step) is reached
- Breakpoints are not saved when eclipse is closed

### Writing Bug Reports

In order to provide useful information in case of errors, you should turn on verbose mode for the ruby debugger. To do so, go to Window > Preferences... > Ruby > Debugger and ensure the Debugger verbose mode checkbox is checked.

## Related Topics

- Ruby Debugger
- Ruby debugger prerequisites
- Starting a Ruby debug session
- Ruby Debug Views
- Automatic Ruby code reloading
- Inspection shortcuts (Ruby)
- Debugging into ruby libraries

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