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https://issues.apache.org/jira/browse/QPIDJMS-313?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16120126#comment-16120126
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Timothy Bish commented on QPIDJMS-313:
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Ah, so then your assumption of the result is incorrect then, if you read the
Message API you will see that the bullet point below the one you quoted says:
{quote}
f the message is a TextMessage, ObjectMessage, MapMessage or BytesMessage and
the message has no body, then the above does not apply and this parameter may
be set to any type; the returned value will always be null.
{quote}
> Message#getBody does not throw when attempting to read a BytesMessage as
> String.class
> -------------------------------------------------------------------------------------
>
> Key: QPIDJMS-313
> URL: https://issues.apache.org/jira/browse/QPIDJMS-313
> Project: Qpid JMS
> Issue Type: Bug
> Components: qpid-jms-client
> Affects Versions: 0.23.0
> Reporter: Jiri Danek
> Priority: Minor
>
> Consider the ActiveMQ Artemis test
> {{org.apache.activemq.artemis.tests.integration.jms.jms2client.BodyTest#testBodyConversion}}
> adapted to run through multiple JMS ConnectionFactories in turn. This test
> passes with Core JMS client, is skipped (or should be skipped) with ActiveMQ
> OpenWire client (that is a JMS 1.1 client) and fails with qpid-jms client.
> {noformat}
> BytesMessage bytesMessage = sess.createBytesMessage();
> producer.send(bytesMessage);
> Message msg = cons.receiveNoWait();
> assertNotNull(msg);
> try {
> msg.getBody(String.class);
> fail("Exception expected");
> } catch (MessageFormatException e) {
> }
> {noformat}
> The failing line is the {{fail("Exception expected");}}, because qpid-jms
> does not throw {{MessageFormatException}} where it is supposed to.
> According to https://docs.oracle.com/javaee/7/api/javax/jms/Message.html. "If
> the message is a BytesMessage then this parameter must be set to byte[].class
> (or java.lang.Object.class). This method will reset the BytesMessage before
> and after use." ... "Throws: MessageFormatException" ... "if the message body
> cannot be assigned to the specified type."
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