Camel HTTP binding incorrectly filters out the headers
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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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