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List: activemq-dev
Subject: [jira] Issue Comment Edited: (AMQNET-64) occasional exception in
From: "Kristofor Jacobson (JIRA)" <jira () apache ! org>
Date: 2007-10-26 19:48:23
Message-ID: 3751534.1193428103605.JavaMail.jira () brutus
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[ https://issues.apache.org/activemq/browse/AMQNET-64?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_40514 \
]
kjacobson edited comment on AMQNET-64 at 10/26/07 12:48 PM:
---------------------------------------------------------------------
This new test (found in the attached ConsumerTest.cs) reproduces the issue.
{code}
using System.Threading;
{code}
{code}
[Test]
public void TestNoTimeoutConsumer()
{
destinationType = DestinationType.Queue;
// Launch a thread to perform IMessageConsumer.Receive().
// If it doesn't fail in less than three seconds, no exception was \
thrown. Thread receiveThread = new Thread(doTestNoTimeoutConsumer);
receiveThread.Start(Session.CreateConsumer((IQueue) Destination));
if (receiveThread.Join(3000)) {
Assert.Fail("IMessageConsumer.Receive() returned without blocking. \
Test failed."); } else {
// Kill the thread - otherwise it'll sit in Receive() until a message \
arrives. receiveThread.Interrupt();
}
}
public void doTestNoTimeoutConsumer(Object parameter)
{
IMessageConsumer consumer = (IMessageConsumer ) parameter;
try
{
consumer.Receive();
} catch (ArgumentOutOfRangeException e) {
// The test failed. We will know because the timeout will expire \
inside TestNoTimeoutConsumer().
Console.WriteLine("Test failed with exception: " + e.Message);
} catch (ThreadInterruptedException e) {
// The test succeeded! We were still blocked when we were \
interrupted. } catch (Exception e) {
// Some other exception occurred.
Console.WriteLine("Test failed with exception: " + e.Message);
}
}
{code}
After implementing a fix to Dispatcher.cs that was basically the same as the one \
already posted in the forum, the test passed.
was (Author: kjacobson):
This copy of ConsumerTest reproduces the issue.
After implementing a fix that was basically the same as the one already posted in the \
forum, the test passed.
> occasional exception in ActiveMQ.Dispatcher.Dequeue() : millisecondsTimeout must be \
> either non-negative and less than or equal to Int32.MaxValue or -1.
> -------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: AMQNET-64
> URL: https://issues.apache.org/activemq/browse/AMQNET-64
> Project: ActiveMQ .Net
> Issue Type: Bug
> Components: ActiveMQ Client
> Environment: .NET 2.0, Windows 2000 Server under VMware, \
> https://svn.apache.org/repos/asf/activemq/activemq-dotnet/trunk @ \
> 578465
> Reporter: David Holroyd
> Assignee: James Strachan
> Attachments: ConsumerTest.cs, Dispatcher_timeout_cast-patch.diff
>
>
> I tried a lightly modified version of the example code from \
> http://activemq.apache.org/nms/nms.html and find that every few invocations of the \
> test program, I see the following exception, rather than the normal 'Received \
> message' output: {noformat}
> Unhandled Exception: System.ArgumentOutOfRangeException: Number must be either \
> non-negative and less than or equal to Int32.MaxValue or -1. Parameter name: \
> millisecondsTimeout at System.Threading.WaitHandle.WaitOne(Int32 \
> millisecondsTimeout, Boolean exitContext) at ActiveMQ.Dispatcher.Dequeue(TimeSpan \
> timeout) at ActiveMQ.Dispatcher.Dequeue()
> at ActiveMQ.MessageConsumer.Receive()
> at Test.Bridge.Main(String[] args)
> {noformat}
> The code in question is,
> {code:title=Bridge.cs}
> namespace Test {
> using System;
> using NMS;
> using ActiveMQ;
> public class Bridge {
> public static void Main(string[] args) {
> IConnectionFactory factory = new ConnectionFactory(new \
> Uri("tcp://192.168.9.162:61616")); using (IConnection connection = \
> factory.CreateConnection()) {
> Console.WriteLine("Created a connection!");
>
> ISession session = connection.CreateSession();
>
> IDestination destination = session.GetQueue("FOO.BAR");
> Console.WriteLine("Using destination: " + destination);
>
> // lets create a consumer and producer
> IMessageConsumer consumer = session.CreateConsumer(destination);
>
> IMessageProducer producer = session.CreateProducer(destination);
> producer.Persistent = true;
>
> // lets send a message
> ITextMessage request = session.CreateTextMessage("Hello World!");
> request.NMSCorrelationID = "abc";
> request.Properties["NMSXGroupID"] = "cheese";
> request.Properties["myHeader"] = "James";
>
> producer.Send(request);
>
> // lets consume a message
> ITextMessage message = (ITextMessage) consumer.Receive();
> if (message == null)
> {
> Console.WriteLine("No message received!");
> }
> else
> {
> Console.WriteLine("Received message with ID: " + message.NMSMessageId);
> Console.WriteLine("Received message with text: " + message.Text);
> }
> }
> }
> }
> }
> {code}
> The C# code is talking to ActiveMQ 4.1.1 running on the Linux host (I'm using NMS \
> within VMware). I'll try to nose around the code and work out what's happening, but \
> this is the first time I've ever worked with C#.
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