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https://issues.apache.org/activemq/browse/CAMEL-1977?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ivan S. Dubrov updated CAMEL-1977:
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Attachment: http-header-filter-case-insensitive.patch
The patch demonstrating the fix.
> Camel HTTP binding incorrectly filters out the headers
> ------------------------------------------------------
>
> Key: CAMEL-1977
> URL: https://issues.apache.org/activemq/browse/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
> DefaultHttpBinding.java, around line 157):
> {code}
> 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);
> }
> }
> {code}
> 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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