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Posted to dev@activemq.apache.org by "Timothy Bish (JIRA)" <ji...@apache.org> on 2011/07/03 17:09:22 UTC
[jira] [Commented] (AMQ-3388) Http/https protocol uses Xstream for
serializing commands in xml. Field additions to the commands bresks xtream
serializacion between amq versions
[ https://issues.apache.org/jira/browse/AMQ-3388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13059210#comment-13059210 ]
Timothy Bish commented on AMQ-3388:
-----------------------------------
How about working up a patch file and attaching with grants to apache?
> Http/https protocol uses Xstream for serializing commands in xml. Field additions to the commands bresks xtream serializacion between amq versions
> ---------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: AMQ-3388
> URL: https://issues.apache.org/jira/browse/AMQ-3388
> Project: ActiveMQ
> Issue Type: Improvement
> Components: Transport
> Affects Versions: 5.4.1, 5.4.2, 5.5.0
> Reporter: Marcel Casado
>
> Addition of fields in commands used between clients and brokers in newer amq versions breaks easily the http transport that uses xstream for xml serialization.
> To make xstream more tolerant to this changes between versions in org.apache.activemq.transport.xstream.XStreamWireFormat we could add the code below so xstream ignores unknown fields :
> // Implementation methods
> // -------------------------------------------------------------------------
> protected XStream createXStream() {
> // return new XStream();
> return new XStream() {
> protected MapperWrapper wrapMapper(MapperWrapper next) {
> return new MapperWrapper(next) {
> public boolean shouldSerializeMember(Class definedIn, String fieldName) {
> return definedIn != Object.class ? super.shouldSerializeMember(definedIn, fieldName) : false;
> }
> };
> }
> };
> }
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