[BUG] Web UI crashes when pasting large log text into the input box #40229

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1. github-actions

   assigned

   Hona

   on Aug 3, 2026
2. github-actions commented on Aug 3, 2026

   

   github-actionsBot

   on Aug 3, 2026 – with GitHub Actions

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   This issue might be a duplicate of existing issues. Please check:

   • Pasting a long text in prompt box make Desktop app hang #38932: Pasting a long text in prompt box make Desktop app hang — same symptom (pasting large text into the input box causes the app to become unresponsive/crash), reported for the Desktop app rather than Web UI.
3. NuWhE3wn0D commented on Aug 3, 2026

   

   NuWhE3wn0D

   on Aug 3, 2026

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   It seems like the page crashes when the input box is overwhelmed with a large amount of data. A potential cause could be the lack of efficient handling for large strings in the handleInputChange function within the input box component. Have you checked if there are any performance bottlenecks or memory issues during the paste operation, perhaps using browser dev tools to monitor performance metrics? Also, implementing a limit on the character count before the paste occurs could help mitigate this behavior temporarily.
4. GuoChen-thlg commented on Aug 3, 2026

   

   GuoChen-thlg

   on Aug 3, 2026

   Last edited by GuoChen-thlg

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   当输入框输入大量数据时，页面似乎会崩溃。一个可能的原因是输入框组件中的 handleInputChange 函数对长字符串的处理效率不高。您是否检查过粘贴操作期间是否存在性能瓶颈或内存问题？例如，可以使用浏览器开发者工具监控性能指标。此外，在粘贴操作之前限制字符数或许可以暂时缓解此问题。

   I have pasted a 25,3888-character log entry. After refreshing, the pasted content still exists. This indicates that the input box processing performance is poor. However, the content can still be sent normally.
5. github-actions commented on Oct 3, 2026

   

   github-actionsBot

   on Oct 3, 2026 – with GitHub Actions

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   To stay organized issues are automatically closed after 60 days of no activity. If the issue is still relevant please open a new one.
6. github-actions

   closed this as not plannedon Oct 3, 2026