Sebastian Nagel created NUTCH-3002:
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Summary: Protocol-okhttp HttpResponse: HTTP header metadata lookup
should be case-insensitive
Key: NUTCH-3002
URL: https://issues.apache.org/jira/browse/NUTCH-3002
Project: Nutch
Issue Type: Bug
Components: metadata, plugin, protocol
Affects Versions: 1.19
Reporter: Sebastian Nagel
Fix For: 1.20
Lookup of HTTP headers in the class HttpResponse should be case-insensitive -
for example, any "Location" header should be returned independent from the
casing sent by the sender.
While protocol-http uses the class SpellCheckedMetadata which provides
case-insensitive lookups (as part of the spell-checking functionality),
protocol-okhttp relies on the class Metadata which stores the metadata values
case-sensitive.
It's a good question, whether we still need to spell-check HTTP headers.
However, case-insensitive look-ups are definitely required. Especially, since
HTTP header names are case-insensitive in HTTP/2.
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