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From "Michiel Meeuwissen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (COUCHDB-1624) CouchDB shouldn't accept or serve JSON with control-characters
Date Fri, 07 Dec 2012 22:31:21 GMT

     [ https://issues.apache.org/jira/browse/COUCHDB-1624?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michiel Meeuwissen updated COUCHDB-1624:
----------------------------------------

    Attachment: Test.java

The following java program demonstrates the problem.

git clone https://code.google.com/p/svenson/
cd svenson
ant

michiel@belono:/tmp/svenson$ javac -classpath ./bin/svenson-1.4.1.jar  Test.java
michiel@belono:/tmp/svenson$ java -classpath .:./bin/svenson-1.4.1.jar:./lib/compile/slf4j-api-1.6.1.jar
Test /tmp/10571721.json
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
Exception in thread "main" org.svenson.JSONParseException: Illegal control character 0x93
        at org.svenson.tokenize.JSONTokenizer.parseString(JSONTokenizer.java:405)
        at org.svenson.tokenize.JSONTokenizer.next(JSONTokenizer.java:187)
        at org.svenson.JSONParser.parseObjectInto(JSONParser.java:553)
        at org.svenson.JSONParser.parseArrayInto(JSONParser.java:489)
        at org.svenson.JSONParser.parseObjectInto(JSONParser.java:647)
        at org.svenson.JSONParser.parse(JSONParser.java:391)
        at org.svenson.JSONParser.parse(JSONParser.java:336)
        at Test.main(Test.java:17)

:


                
> CouchDB shouldn't accept or serve JSON with control-characters
> --------------------------------------------------------------
>
>                 Key: COUCHDB-1624
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-1624
>             Project: CouchDB
>          Issue Type: Bug
>    Affects Versions: 1.2
>            Reporter: Nils Breunese
>         Attachments: 10571721.json, Test.java
>
>
> According to http://www.json.org/ control-characters are not valid characters in JSON.
Due to a character encoding bug one of our applications was sending JSON with control-characters
to CouchDB. CouchDB happily accepts this (invalid) JSON and also serves it, but then we started
getting problems in a client that uses the Svenson JSON library which (correctly) complains
about invalid characters in the JSON served by CouchDB.

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