[jira] [Closed] (THRIFT-1624) Isset Generated differently on different platforms

["Bryan Duxbury (JIRA)" <ji...@apache.org>]

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

Bryan Duxbury closed THRIFT-1624.
---------------------------------

       Resolution: Fixed
    Fix Version/s: 0.9
         Assignee: Bryan Duxbury
    
> Isset Generated differently on different platforms
> --------------------------------------------------
>
>                 Key: THRIFT-1624
>                 URL: https://issues.apache.org/jira/browse/THRIFT-1624
>             Project: Thrift
>          Issue Type: Bug
>          Components: Compiler (General), Java - Compiler
>    Affects Versions: 0.9
>         Environment: CentOS 5 Mac OS X
>            Reporter: Nathaniel Cook
>            Assignee: Bryan Duxbury
>             Fix For: 0.9
>
>         Attachments: is_union_uninitialized.patch
>
>
> Genereated java code is different depending on the environment. 
> Example Service:
> {code}
> service IssetService
> {
>    bool test()
> }
> {code}
> CentOS 5 result:
> {code:java}
>     private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
>       try {
>         read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
>       } catch (org.apache.thrift.TException te) {
>         throw new java.io.IOException(te);
>       }
>     }
> {code}
> Mac OS X result:
> {code:java}
>     private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
>       try {
>         // it doesn't seem like you should have to do this, but java serialization is wacky, and doesn't call the default constructor.
>         __isset_bitfield = 0;
>         read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
>       } catch (org.apache.thrift.TException te) {
>         throw new java.io.IOException(te);
>       }
>     }
> {code}
> The inconsistency is a problem as we have a hybrid env. Also we are unsure which is correct.
> I have dug around in the code and is seems to come down to this method "tstruct->is_union()". On CentOS the struct is a union so the 'isset' code is omitted. While the opposite is true for Mac OS X. I am still unsure as to the cause but before I submit a patch I need to know which is correct.

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