1 /*
2 * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @bug 4921888
27 * @summary Tests that we do not get a NullPointException.
28 * @author Shanliang JIANG
29 *
30 * @run clean CloseFailedClientTest
31 * @run build CloseFailedClientTest
32 * @run main CloseFailedClientTest
33 */
34
35 import java.net.MalformedURLException;
36 import java.io.IOException;
37
38 import javax.management.*;
39 import javax.management.remote.*;
40
41 /**
42 * Try to connect a client to a no-existing or not started server,
43 * expected to receive an IOException.
44 *
45 */
46 public class CloseFailedClientTest {
47 /**
48 * we use a fix port on which we hope no server is running,
49 * or a server running on it will give an IOException when our
50 * clients try to connect to it.
51 * The port 999 is specified in
52 * http://www.iana.org/assignments/port-numbers
53 * as:
54 * garcon 999/tcp
55 * applix 999/udp Applix ac
56 * puprouter 999/tcp
57 * puprouter 999/udp
58 *
59 * If the test fails because a server runs on this port and does
60 * not give back an IOException, we can change to another one like
61 * 9999
62 */
63 private static final int port = 999;
64
65 private static final String[] protocols = {"rmi", "iiop", "jmxmp"};
66
67 public static void main(String[] args) throws Exception {
68 System.out.println("Test to close a failed client.");
69
70 boolean ok = true;
71 for (int i = 0; i < protocols.length; i++) {
72 try {
73 if (!test(protocols[i])) {
74 System.out.println("Test failed for " + protocols[i]);
75 ok = false;
76 } else {
77 System.out.println("Test successed for " + protocols[i]);
78 }
79 } catch (Exception e) {
80 System.out.println("Test failed for " + protocols[i]);
81 e.printStackTrace(System.out);
82 ok = false;
83 }
84 }
85
86 if (ok) {
87 System.out.println("Test passed");
88 return;
89 } else {
90 System.out.println("TEST FAILED");
91 System.exit(1);
92 }
93 }
94
95
96 private static boolean test(String proto)
97 throws Exception {
98 System.out.println("Test for protocol " + proto);
99 JMXServiceURL url = new JMXServiceURL(proto, null, port);
100
101 JMXConnector connector;
102 JMXConnectorServer server;
103
104 for (int i=0; i<20; i++) {
105 // no server
106 try {
107 connector = JMXConnectorFactory.newJMXConnector(url, null);
108 } catch (MalformedURLException e) {
109 System.out.println("Skipping unsupported URL " + url);
110 return true;
111 }
112
113 try {
114 connector.connect();
115
116 throw new RuntimeException("Do not get expected IOEeption.");
117 } catch (IOException e) {
118 // OK, the expected IOException is thrown.");
119 }
120
121 // close the connector client
122 connector.close();
123
124 // with server but not started
125 try {
126 server = JMXConnectorServerFactory.newJMXConnectorServer(url, null, null);
127 } catch (MalformedURLException e) {
128 System.out.println("Skipping unsupported URL " + url);
129 return true;
130 }
131
132 connector = JMXConnectorFactory.newJMXConnector(url, null);
133
134 try {
135 connector.connect();
136
137 throw new RuntimeException("Do not get expected IOEeption.");
138 } catch (IOException e) {
139 // OK, the expected IOException is thrown.");
140 }
141
142 // close the connector client
143 connector.close();
144 }
145
146 return true;
147 }
148 }