Gregory Chanan created SOLR-6723:
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Summary: Give HttpSolrServer the ability to send OPTIONS requests
Key: SOLR-6723
URL: https://issues.apache.org/jira/browse/SOLR-6723
Project: Solr
Issue Type: New Feature
Components: SolrJ
Reporter: Gregory Chanan
Assignee: Gregory Chanan
Priority: Minor
This feature is related to SOLR-6625. I have a kerberos filter defined in
solr's web.xml and need to authenticate. As mentioned in SOLR-6625, we are
required to send a repeatable request in order to trigger SPNego negotiation
prior to sending a non-repeatable (PUT or POST) request. The standard way to
do this seems to be to send an OPTIONS call, see for example, hadoop's
KerberosAuthenticator
(https://github.com/apache/hadoop/blob/eace218411a7733abb8dfca6aaa4eb0557e25e0c/hadoop-common-project/hadoop-auth/src/main/java/org/apache/hadoop/security/authentication/client/KerberosAuthenticator.java#L185-L186).
This is arbitrary, i.e. we could trigger the negotiation based on some path
rather then the request method, but it seems better to just use what other
projects use here rather than make up our own solution.
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