Java VirtualMachine.resume方法代码示例

import com.sun.jdi.VirtualMachine; //导入方法依赖的package包/类
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");

    // wait for the debugge to be ready
    while (!ready) {
        try {
            Thread.sleep(1000);
        } catch(Exception ee) {
            throw ee;
        }
    }

    // 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);
    VirtualMachine vm = conn.attach(conn_args);

    // 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");
    }
}
 

import com.sun.jdi.VirtualMachine; //导入方法依赖的package包/类
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 first debuggee
    ProcessBuilder process1 = prepareLauncher(address, true, "HelloWorld");
    // start the debuggee and wait for the "ready" message
    Process p = ProcessTools.startProcess(
            "process1",
            process1,
            line -> line.equals("Listening for transport dt_socket at address: " + address),
            Math.round(5000 * Utils.TIMEOUT_FACTOR),
            TimeUnit.MILLISECONDS
    );

    // launch a second debuggee with the same address
    ProcessBuilder process2 = prepareLauncher(address, false, "HelloWorld");

    // get exit status from second debuggee
    int exitCode = ProcessTools.startProcess("process2", process2).waitFor();

    // clean-up - attach to first debuggee and resume it
    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);
    VirtualMachine vm = conn.attach(conn_args);
    vm.resume();

    // if the second debuggee ran to completion then we've got a problem
    if (exitCode == 0) {
        throw new RuntimeException("Test failed - second debuggee didn't fail to bind");
    } else {
        System.out.println("Test passed - second debuggee correctly failed to bind");
    }
}
 

import com.sun.jdi.VirtualMachine; //导入方法依赖的package包/类
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.");
    }
}
 

import com.sun.jdi.VirtualMachine; //导入方法依赖的package包/类
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 first debuggee
    ProcessBuilder process1 = prepareLauncher(address, true, "HelloWorld");
    // start the debuggee and wait for the "ready" message
    Process p = ProcessTools.startProcess(
            "process1",
            process1,
            line -> line.equals("Listening for transport dt_socket at address: " + address),
            Utils.adjustTimeout(5000),
            TimeUnit.MILLISECONDS
    );

    // launch a second debuggee with the same address
    ProcessBuilder process2 = prepareLauncher(address, false, "HelloWorld");

    // get exit status from second debuggee
    int exitCode = ProcessTools.startProcess("process2", process2).waitFor();

    // clean-up - attach to first debuggee and resume it
    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);
    VirtualMachine vm = conn.attach(conn_args);
    vm.resume();

    // if the second debuggee ran to completion then we've got a problem
    if (exitCode == 0) {
        throw new RuntimeException("Test failed - second debuggee didn't fail to bind");
    } else {
        System.out.println("Test passed - second debuggee correctly failed to bind");
    }
}