[jira] [Closed] (THRIFT-3101) Thrift cannot support the collection whose element is null

["Jens Geyer (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/THRIFT-3101?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jens Geyer closed THRIFT-3101.
------------------------------
    Resolution: Won't Fix

The behaviour (or limitation) you describe is by design. Thrift doesn't allow {{null}} values in certain places, e.g. as function results or list members. 

If you absolutely need to transport null pointers, try this workaround:

{code:title=thrift.idl}
struct element {
  1 : optional string  data
}

service foobar {
  list<element>  test( 1: list<element> arg) 
}
{code}

The {{optional}} will result in an {{isset}} flag becoming available which can be used to determine whether or not {{data}} has been set and hence contains valid data.


> Thrift cannot support the collection whose element is null
> ----------------------------------------------------------
>
>                 Key: THRIFT-3101
>                 URL: https://issues.apache.org/jira/browse/THRIFT-3101
>             Project: Thrift
>          Issue Type: Bug
>          Components: Java - Library
>            Reporter: xiaopeng.he
>         Attachments: thrift-test.zip
>
>
> Thrift's protocol cannot support the collection whose element is null



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