Examples of com.sun.tools.attach.VirtualMachine.loadAgent()

Class com.sun.tools.attach.VirtualMachine

Examples of com.sun.tools.attach.VirtualMachine.loadAgent()

com.sun.tools.attach.VirtualMachine.loadAgent()
Loads an agent.

The agent provided to this method is a path name to a JAR file on the file system of the target virtual machine. This path is passed to the target virtual machine where it is interpreted. The target virtual machine attempts to start the agent as specified by the {@link java.lang.instrument} specification.That is, the specified JAR file is added to the system class path (of the target virtual machine), and the agentmain method of the agent class, specified by the Agent-Class attribute in the JAR manifest, is invoked. This method completes when the agentmain method completes. @param agent Path to the JAR file containing the agent. @param options The options to provide to the agent's agentmainmethod (can be null). @throws AgentLoadException If the agent does not exist, or cannot be started in the mannerspecified in the {@link java.lang.instrument} specification. @throws AgentInitializationException If the agentmain throws an exception @throws IOException If an I/O error occurs @throws NullPointerException If agent is null.

        if (connectorAddress == null) {
            String agent = vm.getSystemProperties().getProperty(
                    "java.home") + File.separator + "lib" + File.separator +
                    "management-agent.jar";
            try {
                vm.loadAgent(agent);
            } catch (Exception e) {
                throw new IllegalStateException("Exception loading agent " + agent);
            }
            connectorAddress = vm.getAgentProperties().getProperty(
                    "com.sun.management.jmxremote.localConnectorAddress");

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        if (connectorAddress == null) {
            String agent = vm.getSystemProperties().getProperty(
                    "java.home") + File.separator + "lib" + File.separator +
                    "management-agent.jar";
            try {
                vm.loadAgent(agent);
            } catch (Exception e) {
                throw new IllegalStateException("Exception loading agent " + agent);
            }
            connectorAddress = vm.getAgentProperties().getProperty(
                    "com.sun.management.jmxremote.localConnectorAddress");

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            if (!agentJar.isFile()) {
                logger.log(Level.WARNING, MISSING_AGENT_JAR, dir);
                return false;
            }


            vm.loadAgent(SmartFile.sanitize(agentJar.getPath()), options);
            isAttached = true;
        }
        catch (Throwable t) {
            logger.log(Level.WARNING, ATTACH_AGENT_EXCEPTION, t.getMessage());
            isAttached = false;

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        final String[]       ary      = jarpaths.split(File.pathSeparator);
        final String         agentJar = Classpath.findJar(ary, "scalive");
        final VirtualMachine vm       = VirtualMachine.attach(pid);
        final int            port     = Client.getFreePort();


        vm.loadAgent(agentJar, jarpaths + " " + port);
        Runtime.getRuntime().addShutdownHook(new Thread() {
            @Override public void run() {
                try {
                    vm.detach();
                } catch (Exception e) {

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        VirtualMachine vm = VirtualMachine.attach(id);
        String connectorAddr = vm.getAgentProperties().getProperty("com.sun.management.jmxremote.localConnectorAddress");
        if (connectorAddr == null) {
            String agent = vm.getSystemProperties().getProperty("java.home")+File.separator+"lib"+File.separator+
                           "management-agent.jar";
            vm.loadAgent(agent);
            connectorAddr = vm.getAgentProperties().getProperty("com.sun.management.jmxremote.localConnectorAddress");
        }
        MBeanServerConnection mbs = null;
        if(connectorAddr!=null) {
            JMXServiceURL serviceURL = new JMXServiceURL(connectorAddr);

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            }
        }
        System.out.println("LOADING "+jar);
        try {
            VirtualMachine virtualMachine = VirtualMachine.attach(myID);
            virtualMachine.loadAgent(jar);
        } catch (Exception e) {
            e.printStackTrace();
        }
        instrumentation = AgentHook.getInstrumentation();
    }

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