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From "Robert Muir (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-2204) Cross-version replication broken by new javabin format
Date Mon, 31 Oct 2011 13:11:32 GMT

    [ https://issues.apache.org/jira/browse/SOLR-2204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13140128#comment-13140128
] 

Robert Muir commented on SOLR-2204:
-----------------------------------

One of the reasons I was motivated to change the javabin format, is because i went and actually
looked at source code to solr clients in other languages and saw that they implemented the
protocol wrong: no surprise because CESU-8/Modified UTF-8 is really a crazy java thing. 

The big downside to then sending/receiving UTF-8 when they should send CESU-8 or vice versa
is that it breaks unicode support in subtle ways.

So, I don't really want to see CESU-8 come "back". Its really completely absurd to send Modified
utf-8 over the wire. I will do everything i can to prevent this!
                
> Cross-version replication broken by new javabin format
> ------------------------------------------------------
>
>                 Key: SOLR-2204
>                 URL: https://issues.apache.org/jira/browse/SOLR-2204
>             Project: Solr
>          Issue Type: Bug
>          Components: replication (java)
>    Affects Versions: 3.1
>         Environment: Linux idxst0-a 2.6.18-194.3.1.el5.centos.plusxen #1 SMP Wed May
19 09:59:34 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux
> java version "1.6.0_20"
> Java(TM) SE Runtime Environment (build 1.6.0_20-b02)
> Java HotSpot(TM) 64-Bit Server VM (build 16.3-b01, mixed mode)
>            Reporter: Shawn Heisey
>             Fix For: 3.5, 4.0
>
>         Attachments: SOLR-2204.patch, SOLR-2204.patch
>
>
> Slave server is branch_3x, revision 1027974.  Master server is 1.4.1.  Replication fails
because of the new javabin format.
> SEVERE: Master at: http://HOST:8983/solr/live/replication is not available. Index fetch
failed. Exception: Invalid version or the data in not in 'javabin' format
> Switching Solr's internally generated requests to XML, or adding support for both javabin
versions would get rid of this problem.  I do not know how to do either of these things.

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