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Replicator {error, undef} after update to 3.3.0 #4344

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burotica49 opened this issue Jan 4, 2023 · 11 comments · Fixed by #4343
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Replicator {error, undef} after update to 3.3.0 #4344

burotica49 opened this issue Jan 4, 2023 · 11 comments · Fixed by #4343
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@burotica49
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Hello,

I updated my two couchDB servers from v3.2.2 to v3.3.0.
After the update, the replications no longer work
When I want to modify or redo them with Fauxton, I get an {error, undef} message

Best regard
@burotica49 burotica49 added the bug label Jan 4, 2023
@big-r81
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big-r81 commented Jan 4, 2023

Please provide some logs!

@jcheger
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jcheger commented Jan 4, 2023

Same issue for me. No problem on 3.2.2, stuck on 3.3.0.

Using Fauxton, creating a replication (any kind) fails with error message "{error, undef}".

On the browser, the complete response is:

  • error: "forbidden"
  • reason: "{error,undef}"

On the server, the only log is "POST /_replicator 403 ok 4"

@burotica49
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By creating the rule by API with Postman it works with this format:

{
    "_id": "my_rep",
    "source": "http:https://myserver.com/foo",
    "target": {
        "url": "http:https://localhost:5984/bar",
        "auth": {
            "basic": {
                "username": "user",
                "password": "pass"
            }
        }
    },
    "create_target":  true,
    "continuous": true
}

@big-r81
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big-r81 commented Jan 4, 2023

Thanks to both of you.

To narrow down the problem:

  1. If you create the same replication via curl or Postman, the replication works?
  2. If you create a replication via Fauxton, you get the {error, undef} error?
  3. In Fauxton you give the credentials to the source and target?

@burotica49
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If I create the replication not curl, it spins
If I try to create it with Fauxton in the replication part, I get the error message {error, undef}
If I modify the document directly with this format in the base _replicator it works and it turns :

{
    "_id": "my_rep",
    "source": 
        "url": "http:https://mysource.com:5984/bar",
        "auth": {
            "basic": {
                "username": "user",
                "password": "pass"
            }
        }
    "target": {
        "url": "http:https://mytarget.com:5984/bar",
        "auth": {
            "basic": {
                "username": "user",
                "password": "pass"
            }
        }
    },
    "create_target":  false,
    "continuous": true
}

I give credentials to both.
It's really the replication creation wizard that's buggy

@jcheger
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jcheger commented Jan 4, 2023

N.B. I did start on CouchDB few hours ago - I'm a total newbie

Using Fauxton 3.3.0, here is how to reproduce the error (local sync):

  • create a brand new "test1" database
  • replication / New Replication
  • Source
    • Type: local database
    • Name: test1
    • Authentication: Username and password
      • (user): admin
      • (pass): admin
  • Target
    • Type: New local database (or existing, it doesn't matter)
    • Name: test2
    • Authentication: Username and password
      • (user): admin
      • (pass): admin

It's enough to make it fail. The problem is beween Fauxton's replication wizard and the local server.

@big-r81 big-r81 transferred this issue from apache/couchdb Jan 4, 2023
@big-r81 big-r81 mentioned this issue Jan 4, 2023
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@big-r81
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big-r81 commented Jan 4, 2023

Moved the issue to the Fauxton repo.

@rnewson
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rnewson commented Jan 4, 2023

can you please grep your couch.log for 'undef' and report the full line with stacktrace if you find it?

@glynnbird
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I attempted to reproduce and creating a document using Fauxton in the _replicator database, with a valid source and target worked just fine. But using form (e.g. http:https://127.0.0.1:5984/_utils/#/replication/_create) instead did fail with HTTP 403:

{"error":"forbidden","reason":"{error,undef}"}

(Mac M1 using Firefox)

In the logs, from the point when I submit the form I see:

[notice] 2023-01-04T16:54:43.991445Z couchdb@localhost <0.17434.0> 27974b6a26 127.0.0.1:5984 127.0.0.1 admin GET /_replicator/yyy 404 ok 2
[notice] 2023-01-04T16:54:44.012962Z couchdb@localhost <0.17818.0> c91eb7297a 127.0.0.1:5984 127.0.0.1 admin GET / 200 ok 4
[notice] 2023-01-04T16:54:44.020925Z couchdb@localhost <0.17818.0> 8726111c37 127.0.0.1:5984 127.0.0.1 admin GET / 200 ok 4
[notice] 2023-01-04T16:54:44.036423Z couchdb@localhost <0.17434.0> 5af0cdfc7c 127.0.0.1:5984 127.0.0.1 admin POST /_replicator 403 ok 8
[notice] 2023-01-04T16:54:44.848812Z couchdb@localhost <0.407.0> -------- chttpd_auth_cache changes listener died because the _users database does not exist. Create the database to silence this notice.
[error] 2023-01-04T16:54:44.848940Z couchdb@localhost emulator -------- Error in process <0.17848.0> on node couchdb@localhost with exit value:
{database_does_not_exist,[{mem3_shards,load_shards_from_db,"_users",[{file,"src/mem3_shards.erl"},{line,430}]},{mem3_shards,load_shards_from_disk,1,[{file,"src/mem3_shards.erl"},{line,405}]},{mem3_shards,load_shards_from_disk,2,[{file,"src/mem3_shards.erl"},{line,434}]},{mem3_shards,for_docid,3,[{file,"src/mem3_shards.erl"},{line,100}]},{fabric_doc_open,go,3,[{file,"src/fabric_doc_open.erl"},{line,39}]},{chttpd_auth_cache,ensure_auth_ddoc_exists,2,[{file,"src/chttpd_auth_cache.erl"},{line,214}]},{chttpd_auth_cache,listen_for_changes,1,[{file,"src/chttpd_auth_cache.erl"},{line,160}]}]}

rnewson referenced this issue Jan 4, 2023
@rnewson
fix undef when parsing replication doc body
2c1ca11 
Closes https://github.com/apache/couchdb-fauxton/issues/1382
@rnewson
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rnewson commented Jan 4, 2023

Not a fauxton issue.

@rnewson rnewson mentioned this issue Jan 4, 2023
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@rnewson
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rnewson commented Jan 4, 2023

fixed by #4343

@janl janl transferred this issue from apache/couchdb-fauxton Jan 4, 2023
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fix undef when parsing replication doc body apache/couchdb
5 participants
@rnewson @glynnbird @jcheger @big-r81 @burotica49