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https://issues.apache.org/jira/browse/AMQ-3387?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timothy Bish closed AMQ-3387.
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Resolution: Incomplete
Provided patches lack Apache License grants.
> Backards imcompatibilitiy with version 5.3 and previous with the http
> protocol due chage on charset encoding
> ------------------------------------------------------------------------------------------------------------
>
> Key: AMQ-3387
> URL: https://issues.apache.org/jira/browse/AMQ-3387
> Project: ActiveMQ
> Issue Type: Bug
> Components: Transport
> Affects Versions: 5.4.0, 5.4.2, 5.5.0
> Reporter: Marcel Casado
> Attachments: HttpClientTransport.java, TextWireFormat.java
>
>
> Changes in charset encoding from java modified UTF-8 to standard UTF-8 in
> class org.apache.activemq.transport.util.TextWireFormat makes clients and
> broker using different versions not compatible when using http transport
> protocol. Like a client 5.3 and broker 5.5 can not interchange messages in
> http transport protocol or the other way around. Backards compatibility
> support could be easily provided with :
> {code}
> public Object unmarshal(DataInput in) throws IOException {
> String value;
> try {
> int length = in.readInt();
> byte[] utf8 = new byte[length];
> in.readFully(utf8);
> value = new String(utf8, "UTF-8");
> return unmarshalText(value);
> } catch(Exception ex) {
> DataByteArrayInputStream dbais = (DataByteArrayInputStream) in;
> dbais.restart(0);
> value = dbais.readUTF();
> return unmarshalText(value);
> }
> }
> and in HttpClientTransport calling unmarshal with a
> DataByteArrayInputStream:
> DataByteArrayInputStream stream = new
> DataByteArrayInputStream(httpMethod.getResponseBody());
> Object command = (Object)getTextWireFormat().unmarshal(stream);
> {code}
> With this changes was able to connect legacy clients 5.3 to new 5.5
> brokers.
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