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https://issues.apache.org/jira/browse/QPID-2930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13001875#comment-13001875
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Rajith Attapattu commented on QPID-2930:
----------------------------------------
The JMS specification allows any message property to be retrieved as a string.
However the the valid types are boolean, byte, short, int, long, float, double,
and String.
Therefore in JMS, the property value cannot be a byte[] as it's not a valid
type.
However in AMQP you are allowed to have byte arrays,lists, maps, UUID's etc..
as property values.
So a broker or a non JMS client could set such a property in a message that
will be consumed by a JMS consumer.
In such a case there are two possible ways of handling it.
1) Ignore the properties (from the list provided in response to
getPropertyNames() method) that does not have a value allowed by the JMS spec.
2) Provide the standard string representation of the value.
Option #2 is fairly useless if the value is of type array, list or map.
I think option #1 is probably the best as a JMS client will not expect to
receive any property with a value that is not valid as per the spec. Therefore
it does not need to even know the name of a property that it cannot access.
> JMS msg.getPropertyNames() method should not return x-amqp-0-10.routing-key
> ----------------------------------------------------------------------------
>
> Key: QPID-2930
> URL: https://issues.apache.org/jira/browse/QPID-2930
> Project: Qpid
> Issue Type: Bug
> Components: Java Client
> Reporter: Rajith Attapattu
> Assignee: Rajith Attapattu
> Priority: Minor
> Fix For: 0.9
>
>
> Description of problem:
> JMS msg.getPropertyNames() method should not return x-amqp-0-10.routing-key,
> x-amqp-0-10.routing-key is internal property. It cause exception if loop via
> ProertyName enumeration.
> Code:
> ===
> Enumeration<String> enu = msg.getPropertyNames();
> while (enu.hasMoreElements()) {
> String name = (String) enu.nextElement();
> String value = msg.getStringProperty(name);
> }
> Exception
> =========
> Caused by: javax.jms.MessageFormatException:
> getString("x-amqp-0-10.routing-key") failed as value of type class [B is an
> array.
> at
> org.apache.qpid.client.message.AMQMessageDelegate_0_10.getStringProperty(AMQMessageDelegate_0_10.java:639)
>
> at
> org.apache.qpid.client.message.AbstractJMSMessage.getStringProperty(AbstractJMSMessage.java:254)
>
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