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Apache Incubator Qpid Java M2 Release Notes
-------------------------------------------
The Qpid M2 release contains support the for AMQP 0-8 specification.
You can access the 0-8 specification using the following link.
http://www.amqp.org/tikiwiki/tiki-index.php?page=Download
For full details of Qpid capabilities, as they currently stand, see our
detailed project documentation at:
http://cwiki.apache.org/confluence/display/qpid/Qpid+Java+Documentation
From the link above you can access our Getting Started Guide, FAQ, Build How To
and detailed developer documentation.
Known Issues/Outstanding Work
-----------------------------
You can view the outstanding task list for Qpid by visiting our JIRA:
http://issues.apache.org/jira/browse/QPID
Please note that most of the issues are fixed, but are kept open until the
merged with trunk, at which point they will be closed
Here is a filtered list for your convinience
---------------------------------------
D-560 Add DiagnosticExchange exchange
QPID-543 Add ability to register custom exchange types
QPID-274 add connection configuratble timeout on
waituntilStateHasChanged
QPID-156 Implement persistent store with Apache compliant licence
QPID-155 Add ability to configure (on/off) queue creation on demand
QPID-43 Multiple-AMQP version support in the broker
QPID-28 Allow user to select policy for undeliverable message handling
QPID-27 Introduce user configurable redlivery delay
QPID-22 Provide run scripts for clustered broker
QPID-592 Limit number of bytes in write buffer queue
QPID-583 Reinstate the old topic performance test
QPID-582 Ensure Java codebase builds with Java 6
QPID-567 Add basic multiversion support to Qpid for interop between M1,
M2 and 0-8 and 0-9 AMQP implementations
QPID-564 Reapply MINA performance patches
QPID-430 Message Age Alerting should not depend upon queue activity
QPID-19 Add protocol logging capability to client and broker
QPID-11 Move protocol literals from code to AMQConstant
QPID-659 Messages sent to a queue that uses selectors may cause high
CPU load.
QPID-654 ThreadPoolExecutor.getTask() can be seen WAITING causing test
cases to hang
QPID-653 Timeouts in tests causing spurious failures on slower machines
QPID-647 Delivery Manager can stop starving consumers.
QPID-645 Exception thrown while preparing TxnOp not logged or
propogated
QPID-643 CSDM causes duplicate message delivery.
QPID-637 BasicConsumer.recieve can return null before the timeout
expires due to InterruptedException
QPID-632 ImmediateMessageTest fails occasionally because
AMQNoConsumersException was not received.
QPID-626 AMQSession deadlocks
QPID-623 If all consumers of a queue use selectors then the broker will
leak memory
QPID-611 Queue Total size calculations can cause NPE on broker.
QPID-610 Usages of queue.dequeue need to be checked to ensure memory
loss doesn't occur
QPID-609 Dispatcher threads are not always killed
QPID-608 ConnectionTest fails because VM broker is not created
QPID-607 Dispatcher threads do not die
QPID-606 NPE from several systests occasionally
QPID-604 Potential NullPointerException in FieldTable trace logging
QPID-599 maven runs tests twice in client module
QPID-594 Java client does not throw exceptions for failures during
connection establishment
QPID-590 Client can deadlock when session is accessed from two threads
QPID-586 Client state manager is not interupted when unrecoverable
error occurs on connection
QPID-585 Client protocol state is maintiained between connections when
the connection fails during initial connection
QPID-584 Client allows RuntimeExceptions to be silently swallowed.
QPID-579 Qpid Broker process fails to terminate on configuration errors
QPID-578 AMQChannel.queueDeletion causes unacked msgs to be discarded.
QPID-577 Setting a MessageListener after the connection has been
started may result in apparent message loss.
QPID-573 race condition between rollback() and the dispatcher thread in
the java client
QPID-572 broker delivers messages out of order
QPID-558 AMQShortString should autoexpand when adding content to it
QPID-549 AMQConnection.start() is not threadsafe
QPID-545 Using a private queue with selector will result in non
matching messages being left on the broker queue as they will not be consumed.
QPID-539 HeadersExchange doesnot correctly implement isBound
QPID-531 [Memory Leak] Broker retains messages that are consumed with
NO_ACK
QPID-469 Redelivered information is currently recorded per message it
should be per message per queue.
QPID-463 Java client doesn't close connection gracefully when faced
with broker with unsuported protocol version
QPID-462 Exclusive queues and with subscription that 'filtersMessages'
will build up messages it doesn't hasInterest() in.
QPID-397 Client closeure can be processed before final message ack.
QPID-396 Broker OutOfMemory Error handling
QPID-377 NumberFormatException thrown by broker when running one
performance test
QPID-293 setting MessageListener after connection has started can cause
messages to be "lost" on a internal delivery queue.
QPID-185 Amend Java Broker handling of ifUnused & ifEmpty flags
QPID-168 qpid-server.bat needs updated to support same
arguments/features as qpid-server (via qpid-run) bash script
Bug QPID-168 qpid-server.bat needs updated to support same arguments/features as qpid-server (via qpid-run) bash script
M2 Tasks Completed
-------------------
The set of JIRA tasks completed as part of the M2 effort is available at:
https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12310520&styleName=Html&version=12312116
Here is a filtered (by Java components) version of the JIRA items
QPID-190 refactoring the java broker mbean classes
QPID-125 Moving eclipse plugin for broker management to Maven
QPID-93 Delete the old management modules (trunk\qpid\java\management)
QPID-418 Add ability to save user preferences to Java Management Console
QPID-482 [Java] Small performance tweaks
QPID-466 Create STRICT_AMQP System property to disable JMS extensions in Java client
QPID-453 AMQShortString should implement Comparable
QPID-421 Provide enumerated description for static constants including delivery mode
QPID-420 Add client id to information displayed about connections on management console
QPID-419 Introduce read-only and modify authorisation for all objects in a virtual host
QPID-129 improving Broker MBeans
QPID-616 Underflow in calculating message pending size in perftests.
QPID-614 Race condition on queue browser close
QPID-612 Duplicate temporary queue names when running unit tests
QPID-600 Deadlocks on Connection.close
QPID-540 Transient Broker throws NullPointerException and locks up.
QPID-538 [Memory Leak] Connecting lots of consumers causes the broker memory to leak
QPID-537 Make AMQMessage.incrementReference public
QPID-527 encoding issue
QPID-508 [Memory Leak] Broker does not return mandatory messages sent outside of a
transaction.
QPID-476 AMQProtocolSession channelId2SessionMap does not have sessions removed
QPID-472 Creation of TemporaryQueues will not guarantee unqiue queue names if created
rapidly.
QPID-471 UserManagement panel lists all users but only after a View Users has been
executed and is not updated on Create/Delete User
QPID-467 Complete Interop Testing
QPID-465 Incorrect Exception thrown from send() method.
QPID-459 Broker doesn't correctly handle noLocal consumers when messages are
pre-exisiting on queues.
QPID-458 Queue Browsing Broken
QPID-454 Message 'taken' notion is per message. But should be per message per queue
QPID-443 Abruptly disconnecting client on transaction publish causes error
QPID-440 Can create dangling transactions on unroutable messages.
QPID-414 Authentication requires plain text passwords in password file
QPID-408 Queue Depth data incorrect
QPID-200 set/get Destination not implemented in JMSMessage impl
QPID-166 Check for pre conditions to satisfy JMS spec requirments
QPID-159 The following Interface implementations do not throw Exceptions as required by
the spec
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