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  1. Dev - Nexus Repo
  2. NEXUS-19404

Conditional GET requests for repodata/repomd.xml files always return 304 unmodified

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      Description

      Conditional GET requests made to "repodata/repomd.xml" files in a Nexus Repo 2.x yum enabled hosted repository always return 304 unmodified. 

      This breaks proxying of these repositories from Nexus Repo 3.x.

      Reproduce case:

      1. Enable yum metadata creation on a snapshot maven repository in 2.14.12
      2. Deploy an rpm into it
      3. Configure a yum proxy repository in Nexus Repo 3, set the remote to the snapshot repository in Nexus Repo 2
      4. Retreive 'repodata/repomd.xml" through the proxy
      5. Deploy a new snapshot rpm into Nexus Repo 2
      6. Verify that yum metadata was regenerated
      7. Invalidate cache in the Repo 3 proxy
      8. Retreive 'repodata/repomd.xml" through the proxy

      Observe that in the Nexus Repo 2 log a "304" unmodified response is sent for the repodata/repomd.xml file.

      192.168.1.78 - - [13/Mar/2019:13:26:25 -0500] "GET /nexus/content/repositories/snapshots/repodata/repomd.xml HTTP/1.1" 304 0 3

      Replaying the same request (with the same headers) through curl shows the same result.

      curl -v -H "If-Modified-Since: Wed, 13 Mar 2019 18:13:08 GMT" -H 'If-None-Match: "\{SHA1\{3fb868897104aa608240d2a1c74822cc95155755}}"' http://192.168.1.102:8081/nexus/content/repositories/snapshots/repodata/repomd.xml
      *  Trying 192.168.1.102...
      * TCP_NODELAY set
      * Connected to 192.168.1.102 (192.168.1.102) port 8081 (#0)
      > GET /nexus/content/repositories/snapshots/repodata/repomd.xml HTTP/1.1
      > Host: 192.168.1.102:8081
      > User-Agent: curl/7.54.0
      > Accept: */*
      > If-Modified-Since: Wed, 13 Mar 2019 18:13:08 GMT
      > If-None-Match: "\{SHA1\{3fb868897104aa608240d2a1c74822cc95155755}}"
      > 
      < HTTP/1.1 304 Not Modified
      < Date: Wed, 13 Mar 2019 18:27:09 GMT
      < Server: Nexus/2.14.7-01
      < X-Frame-Options: SAMEORIGIN
      < X-Content-Type-Options: nosniff
      < Accept-Ranges: bytes
      < ETag: "\{SHA1\{3fb868897104aa608240d2a1c74822cc95155755}}"
      < 
      * Connection #0 to host 192.168.1.102 left intact
      
      

      But that file has been modified.  I'm in GMT-5, btw.

      $ pwd
      /home/rseddon/bar/nexus/sonatype-work/nexus/storage/snapshots/repodata
      
      $ ls -l
      total 16
      -rw-r--r-- 1 rseddon rseddon 1248 Mar 13 13:25 3436a28862b8bf7064db9e1403d7ebeaa7d0ae84b04a8100a169d870a24df2ee-primary.xml.gz
      -rw-r--r-- 1 rseddon rseddon  560 Mar 13 13:25 5fe0c4457cb386be344a5bf6db6aab041ec83eec67c8116c6962e88485eaa43f-other.xml.gz
      -rw-r--r-- 1 rseddon rseddon  836 Mar 13 13:25 dd555431f51dd26c2782835de1e60930e30822a68eefc303d8ac334ac033940f-filelists.xml.gz
      -rw-r--r-- 1 rseddon rseddon 1500 Mar 13 13:25 repomd.xml
      

       

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              Assignee:
              Unassigned Unassigned
              Reporter:
              rseddon Rich Seddon
              Last Updated By:
              Peter Lynch Peter Lynch
              Team:
              NXRM - Cypher
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                Resolved:
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