Malformed _attachments gives 500 and function_clause error
----------------------------------------------------------
Key: COUCHDB-362
URL: https://issues.apache.org/jira/browse/COUCHDB-362
Project: CouchDB
Issue Type: Improvement
Components: HTTP Interface
Environment: {"couchdb":"Welcome","version":"0.10.0a778641"}
Reporter: Brian Candler
Priority: Minor
Creating a document with bad format of the _attachments structure gives a 500
error and Erlang function_clause exceptions.
---- example 1 ----
require 'rubygems'
require 'restclient'
require 'json'
DB="http://127.0.0.1:5984/test";
RestClient.delete DB rescue nil
RestClient.put DB, {}.to_json
doc = {"_id"=>"test","hello"=>"world","_attachments"=>{
"foo"=>["This is a test"].pack("m"),
}}
puts RestClient.post("#{DB}/_bulk_docs",
{'docs'=>[doc],'all_or_nothing'=>true}.to_json)
This aborts with 500 and logs:
[Tue, 26 May 2009 10:14:53 GMT] [error] [<0.98.0>] Uncaught error in HTTP
request: {error,function_clause}
[Tue, 26 May 2009 10:14:53 GMT] [info] [<0.98.0>] Stacktrace:
[{couch_doc,'-transfer_fields/2-fun-0-',
[{<<"foo">>,<<"VGhpcyBpcyBhIHRlc3Q=\n">>}]},
{lists,flatmap,2},
{couch_doc,transfer_fields,2},
{couch_httpd_db,'-db_req/2-fun-0-',1},
{lists,map,2},
{couch_httpd_db,db_req,2},
{couch_httpd_db,do_db_req,2},
{couch_httpd,handle_request,5}]
[Tue, 26 May 2009 10:14:53 GMT] [info] [<0.98.0>] 127.0.0.1 - - 'POST'
/test/_bulk_docs 500
---- example 2 ----
require 'rubygems'
require 'restclient'
require 'json'
DB="http://127.0.0.1:5984/test";
RestClient.delete DB rescue nil
RestClient.put DB, {}.to_json
doc = {"_id"=>"test","hello"=>"world","_attachments"=>{
"foo"=>{"content_type"=>"text/plain","data"=>["This is a test"].pack("m")},
}}
puts RestClient.post("#{DB}/_bulk_docs",
{'docs'=>[doc],'all_or_nothing'=>true}.to_json)
This also aborts with 500 and logs:
[Tue, 26 May 2009 10:16:10 GMT] [error] [<0.199.0>] Uncaught error in HTTP
request: {error,function_clause}
[Tue, 26 May 2009 10:16:10 GMT] [info] [<0.199.0>] Stacktrace:
[{couch_util,decode1,
[<<"\n">>,
<<84,104,105,115,32,105,115,32,97,32,116,101,115,
116,1>>]},
{couch_doc,'-transfer_fields/2-fun-0-',1},
{lists,flatmap,2},
{couch_doc,transfer_fields,2},
{couch_httpd_db,'-db_req/2-fun-0-',1},
{lists,map,2},
{couch_httpd_db,db_req,2},
{couch_httpd_db,do_db_req,2}]
[Tue, 26 May 2009 10:16:10 GMT] [info] [<0.199.0>] 127.0.0.1 - - 'POST'
/test/_bulk_docs 500
In this case, it seems only that the trailing newline in the base64
representation is causing the error (adding a 'chomp' makes the program work).
But it's not exactly a helpful error message.
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