1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.qpid.test.unit.client.connection;
import org.apache.qpid.test.utils.QpidBrokerTestCase;
import org.apache.qpid.transport.util.Logger;
import java.util.HashMap;
import java.util.Map;
import javax.jms.Connection;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Queue;
import javax.jms.Session;
import javax.jms.TextMessage;
/**
* ConnectionCloseTest
*
*/
public class ConnectionCloseTest extends QpidBrokerTestCase
{
private static final Logger log = Logger.get(ConnectionCloseTest.class);
public void testSendReceiveClose() throws Exception
{
Map<Thread,StackTraceElement[]> before = Thread.getAllStackTraces();
for (int i = 0; i < 50; i++)
{
if ((i % 10) == 0)
{
log.warn("%d messages sent and received", i);
}
Connection receiver = getConnection();
receiver.start();
Session rssn = receiver.createSession(false, Session.AUTO_ACKNOWLEDGE);
Queue queue = rssn.createQueue("connection-close-test-queue");
MessageConsumer cons = rssn.createConsumer(queue);
Connection sender = getConnection();
sender.start();
Session sssn = sender.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer prod = sssn.createProducer(queue);
prod.send(sssn.createTextMessage("test"));
sender.close();
TextMessage m = (TextMessage) cons.receive(2000);
assertNotNull("message was lost", m);
assertEquals(m.getText(), "test");
receiver.close();
}
// The finalizer is notifying connector thread waiting on a selector key.
// This should leave the finalizer enough time to notify those threads
synchronized (this)
{
this.wait(10000);
}
Map<Thread,StackTraceElement[]> after = Thread.getAllStackTraces();
Map<Thread,StackTraceElement[]> delta = new HashMap<Thread,StackTraceElement[]>(after);
for (Thread t : before.keySet())
{
delta.remove(t);
}
dumpStacks(delta);
int deltaThreshold = (isExternalBroker()? 1 : 2) //InVM creates more thread pools in the same VM
* (Runtime.getRuntime().availableProcessors() + 1) + 5;
assertTrue("Spurious thread creation exceeded threshold, " +
delta.size() + " threads created.",
delta.size() < deltaThreshold);
}
private void dumpStacks(Map<Thread,StackTraceElement[]> map)
{
for (Map.Entry<Thread,StackTraceElement[]> entry : map.entrySet())
{
Throwable t = new Throwable();
t.setStackTrace(entry.getValue());
log.warn(t, entry.getKey().toString());
}
}
}
|
