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Home/ Questions/Q 348603
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Editorial Team
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Editorial Team
Asked: May 12, 20262026-05-12T11:22:49+00:00 2026-05-12T11:22:49+00:00

Since I discovered that HTTP headers are case-insensive according to the RFC, i was

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Since I discovered that HTTP headers are case-insensive according to the RFC, i was wondering how I can access HTTP headers in a case-insensitive way with Servlets. There is a #getHeader(String) method to obtain a header but it turned out that this method treats the header fields case sensitive.

Is there a “case insensitive” way to get header fields ? Or do i have to iterate over all the header fields to find the header field I was looking for ?

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  1. Editorial Team
    Editorial Team
    2026-05-12T11:22:49+00:00Added an answer on May 12, 2026 at 11:22 am

    Which servlet container are you using? The docs for getHeader(String) state:

    The header name is case insensitive.

    so it sounds like a bug in the container you’re using.

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