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
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/*
* Copyright (c) 2004, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/* @test
* @bug 4997445
* @summary Test that with server=y, when VM runs to System.exit() no error happens
* @library /lib/testlibrary
* @modules java.management
* jdk.jdi
* @build jdk.testlibrary.* VMConnection RunToExit Exit0
* @run driver RunToExit
*/
import java.net.ServerSocket;
import com.sun.jdi.Bootstrap;
import com.sun.jdi.VirtualMachine;
import com.sun.jdi.event.*;
import com.sun.jdi.connect.Connector;
import com.sun.jdi.connect.AttachingConnector;
import java.net.ConnectException;
import java.util.Map;
import java.util.List;
import java.util.Iterator;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;
import jdk.testlibrary.ProcessTools;
public class RunToExit {
/* Increment this when ERROR: seen */
static volatile int error_seen = 0;
static volatile boolean ready = false;
/*
* Find a connector by name
*/
private static Connector findConnector(String name) {
List connectors = Bootstrap.virtualMachineManager().allConnectors();
Iterator iter = connectors.iterator();
while (iter.hasNext()) {
Connector connector = (Connector)iter.next();
if (connector.name().equals(name)) {
return connector;
}
}
return null;
}
/*
* Launch a server debuggee with the given address
*/
private static Process launch(String address, String class_name) throws Exception {
String args[] = new String[]{
"-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address="
+ address,
class_name
};
args = VMConnection.insertDebuggeeVMOptions(args);
ProcessBuilder launcher = ProcessTools.createJavaProcessBuilder(args);
System.out.println(launcher.command().stream().collect(Collectors.joining(" ", "Starting: ", "")));
Process p = ProcessTools.startProcess(
class_name,
launcher,
RunToExit::checkForError,
RunToExit::isTransportListening,
0,
TimeUnit.NANOSECONDS
);
return p;
}
private static boolean isTransportListening(String line) {
return line.startsWith("Listening for transport dt_socket");
}
private static void checkForError(String line) {
if (line.contains("ERROR:")) {
error_seen++;
}
}
/*
* - pick a TCP port
* - Launch a server debuggee: server=y,suspend=y,address=${port}
* - run it to VM death
* - verify we saw no error
*/
public static void main(String args[]) throws Exception {
// find a free port
ServerSocket ss = new ServerSocket(0);
int port = ss.getLocalPort();
ss.close();
String address = String.valueOf(port);
// launch the server debuggee
Process process = launch(address, "Exit0");
// attach to server debuggee and resume it so it can exit
AttachingConnector conn = (AttachingConnector)findConnector("com.sun.jdi.SocketAttach");
Map conn_args = conn.defaultArguments();
Connector.IntegerArgument port_arg =
(Connector.IntegerArgument)conn_args.get("port");
port_arg.setValue(port);
System.out.println("Connection arguments: " + conn_args);
VirtualMachine vm = null;
while (vm == null) {
try {
vm = conn.attach(conn_args);
} catch (ConnectException e) {
e.printStackTrace(System.out);
System.out.println("--- Debugee not ready. Retrying in 500ms. ---");
Thread.sleep(500);
}
}
// The first event is always a VMStartEvent, and it is always in
// an EventSet by itself. Wait for it.
EventSet evtSet = vm.eventQueue().remove();
for (Event event: evtSet) {
if (event instanceof VMStartEvent) {
break;
}
throw new RuntimeException("Test failed - debuggee did not start properly");
}
vm.eventRequestManager().deleteAllBreakpoints();
vm.resume();
int exitCode = process.waitFor();
// if the server debuggee ran cleanly, we assume we were clean
if (exitCode == 0 && error_seen == 0) {
System.out.println("Test passed - server debuggee cleanly terminated");
} else {
throw new RuntimeException("Test failed - server debuggee generated an error when it terminated, " +
"exit code was " + exitCode + ", " + error_seen + " error(s) seen in debugee output.");
}
}
}
|
