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From "Ivan S. Dubrov (JIRA)" <>
Subject [jira] Created: (CAMEL-1977) Camel HTTP binding incorrectly filters out the headers
Date Wed, 02 Sep 2009 07:44:12 GMT
Camel HTTP binding incorrectly filters out the headers

                 Key: CAMEL-1977
             Project: Apache Camel
          Issue Type: Bug
          Components: camel-http
    Affects Versions: 2.0.0
            Reporter: Ivan S. Dubrov
         Attachments: http-header-filter-case-insensitive.patch

Camel does not filter out internal headers when creating HTTP response. The internal headers
like "CamelBeanMultiParameterArray" occur in HTTP response.

The reason is that in the following piece of code (from, around line
        for (String key : message.getHeaders().keySet()) {
            String value = message.getHeader(key, String.class);
            if (headerFilterStrategy != null
                    && !headerFilterStrategy.applyFilterToCamelHeaders(key, value,
exchange)) {
                response.setHeader(key, value);

the "key" returned is lowercase, even in case the real header is "CamelBeanMultiParameterArray"
(because CaseInsensitiveMap is used, which turns all keys to lowercase). Since pattern match
in DefaultHeaderFilterStrategy is case-sensitive, the header is not filter out when filling
the response headers.

The suggested solution is to make pattern case-insensitive.

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