How to use VirtualMachineDescriptor method of com.sun.tools.attach.VirtualMachineDescriptor class

Best Powermock code snippet using com.sun.tools.attach.VirtualMachineDescriptor.VirtualMachineDescriptor

Source:Attacher.java Github

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...14import com.sun.tools.attach.AgentInitializationException;15import com.sun.tools.attach.AgentLoadException;16import com.sun.tools.attach.AttachNotSupportedException;17import com.sun.tools.attach.VirtualMachine;18import com.sun.tools.attach.VirtualMachineDescriptor;19public class Attacher {20 public static void main(String[] args) throws IOException {21 // https://github.com/giltene/jHiccup22 ExceptionCounterConfiguration configuration;23 try {24 configuration = new ExceptionCounterConfiguration(args);25 } catch (ConfigurationException e) {26 System.err.println(e.getMessage());27 usage(System.err);28 System.exit(1);29 return;30 }31 List<VirtualMachineDescriptor> descriptors;32 try {33 descriptors = getVmDescriptors(configuration);34 } catch (ConfigurationException e) {35 System.err.println(e.getMessage());36 System.exit(0);37 return; // keep compiler happy38 }39 40 Path channel = Paths.get("channel").toAbsolutePath();41 try {42 grabPansInVms(configuration, descriptors, channel);43 } finally {44 Files.deleteIfExists(channel);45 }46 System.exit(0);47 }48 public static void grabPansInVms(ExceptionCounterConfiguration configuration,49 List<VirtualMachineDescriptor> descriptors, Path channel) {50 for (VirtualMachineDescriptor descriptor : descriptors) {51 try {52 grabPansInVm(configuration, descriptor, channel);53 } catch (AttachNotSupportedException | AgentLoadException | AgentInitializationException | IOException e) {54 System.err.println("failed to attach");55 }56 }57 }58 public static void grabPansInVm(ExceptionCounterConfiguration configuration,59 VirtualMachineDescriptor descriptor, Path channel) throws AttachNotSupportedException,60 IOException, AgentLoadException, AgentInitializationException {61 if (Files.exists(channel)) {62 try (SeekableByteChannel byteChannel = Files.newByteChannel(channel, WRITE)) {63 byteChannel.truncate(0L);64 }65 } else {66 Files.createFile(channel);67 }68 69 // TODO check if provider supports attaching70 VirtualMachine vm = VirtualMachine.attach(descriptor);71 Properties systemProperties = vm.getSystemProperties();72 String javaCommand = systemProperties.getProperty("sun.java.command");73 if (javaCommand == null || javaCommand.startsWith(Attacher.class.getName())) {74 return;75 }76 vm.loadAgentPath(configuration.agentPath, channel.toString());77 vm.detach();78 79 try (BufferedReader reader = Files.newBufferedReader(channel, US_ASCII)) {80 String line;81 while ((line = reader.readLine()) != null) {82 System.out.println(line);83 }84 }85 }86 87 private static List<VirtualMachineDescriptor> getVmDescriptors(ExceptionCounterConfiguration configuration) throws ConfigurationException {88 List<VirtualMachineDescriptor> descriptors = VirtualMachine.list();89 String pid = configuration.pidOfProcessToAttachTo;90 if (pid == null) {91 return descriptors;92 } else {93 for (VirtualMachineDescriptor descriptor : descriptors) {94 if (descriptor.id().equals(pid)) {95 return Collections.singletonList(descriptor);96 }97 }98 throw new ConfigurationException("not process with pid: " + pid + " found");99 }100 }101 private static void usage(PrintStream s) {102 String validArgs =103 "\"[-p pidOfProcessToAttachTo] [-a agentPath]\"\n";104 s.println("valid arguments = " + validArgs);105 s.println(106 " [-h] help\n"107 + " [-p pidOfProcessToAttachTo] Attach to the process with given pid and inject exception counter as an agent."...

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Source:AttachThread.java Github

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1package com.agent.boot.lhy.agent.agentmain;2import com.alibaba.fastjson.JSON;3import com.sun.tools.attach.AttachNotSupportedException;4import com.sun.tools.attach.VirtualMachine;5import com.sun.tools.attach.VirtualMachineDescriptor;6import java.io.IOException;7import java.util.List;8import java.util.Objects;9/**10 * @author: liuheyng11 * @date: 2021/4/10 9:5212 * @description:13 */14public class AttachThread extends Thread {15 /**16 * 记录程序启动时的 VM 集合17 */18 private final List<VirtualMachineDescriptor> listBefore;19 /**20 * 要加载的agent.jar21 */22 private final String jar;23 private AttachThread(String attachJar, List<VirtualMachineDescriptor> vms) {24 listBefore = vms;25 jar = attachJar;26 }27 public static void main(String[] args) {28 new AttachThread("D:\\idea-workspace\\spring-boot-agent\\target\\spring-boot-agent.jar", VirtualMachine.list()).start();29 }30 @Override31 public void run() {32 VirtualMachine vm;33 List<VirtualMachineDescriptor> latestList;34 int count = 0;35 try {36 while (true) {37 latestList = VirtualMachine.list();38 vm = hasTargetVm(latestList);39 if (vm == null) {40 System.out.println("没有目标 jvm 程序,请手动指定java pid");41 try {42 vm = VirtualMachine.attach("46358");43 } catch (AttachNotSupportedException e) {44 //System.out.println("拒绝访问 Disconnected from the target VM");45 }46 }47 Thread.sleep(1000);48 System.out.println(count++);49 if (Objects.nonNull(vm) || count >= 100) {50 break;51 }52 }53 Objects.requireNonNull(vm).loadAgent(jar, "hello");54 System.out.println(JSON.toJSONString(System.getProperties()));55 //vm.detach();56 } catch (Exception e) {57 System.out.println("异常:" + e);58 }59 }60 /**61 * 判断是否有目标 JVM 程序运行62 */63 private VirtualMachine hasTargetVm(List<VirtualMachineDescriptor> listAfter) throws IOException, AttachNotSupportedException {64 for (VirtualMachineDescriptor vmd : listAfter) {65 if (vmd.displayName().endsWith("TestMain"))66 return VirtualMachine.attach(vmd);67 }68 return null;69 }70}...

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Source:VirtualMachineTest.java Github

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1/*2package com.gochinatv.cdn.api.vm;3import com.sun.tools.attach.AttachNotSupportedException;4import com.sun.tools.attach.VirtualMachine;5import com.sun.tools.attach.VirtualMachineDescriptor;6import java.util.Properties;7*/8/**9 * ${DESCRIPTION}10 *11 * @auhtor jacktomcat12 * @create 2018-12-03 下午9:3113 *//*14public class VirtualMachineTest {15 public static void main(String[] args) {16 VirtualMachineDescriptor virtualMachineDescriptor = null;17 for (VirtualMachineDescriptor descriptor : VirtualMachine.list()) {18 String pid = descriptor.id();19 System.out.println(pid);20 if (pid.equals(Integer.toString(1782))) {21 virtualMachineDescriptor = descriptor;22 }23 try {24 VirtualMachine virtualMachine = VirtualMachine.attach(virtualMachineDescriptor);25 Properties systemProperties = virtualMachine.getSystemProperties();26 System.out.println(systemProperties);27 //virtualMachine.loadAgent("");28 } catch (AttachNotSupportedException e) {29 e.printStackTrace();30 } catch (Exception e) {31 e.printStackTrace();...

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VirtualMachineDescriptor

Using AI Code Generation

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1import java.util.List;2import com.sun.tools.attach.VirtualMachineDescriptor;3public class 4 {4 public static void main(String[] args) throws Exception {5 List<VirtualMachineDescriptor> list = VirtualMachineDescriptor.list();6 for (VirtualMachineDescriptor vmd : list) {7 System.out.println(vmd.id() + " " + vmd.displayName());8 }9 }10}

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VirtualMachineDescriptor

Using AI Code Generation

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1import com.sun.tools.attach.*;2import java.util.*;3{4public static void main(String args[])5{6List list=VirtualMachine.list();7Iterator it=list.iterator();8while(it.hasNext())9{10VirtualMachineDescriptor vmd=(VirtualMachineDescriptor)it.next();11System.out.println("pid="+vmd.id()+"12display name="+vmd.displayName());13}14}15}

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VirtualMachineDescriptor

Using AI Code Generation

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1import java.util.List;2import com.sun.tools.attach.VirtualMachine;3import com.sun.tools.attach.VirtualMachineDescriptor;4public class 4 {5public static void main(String[] args) {6List<VirtualMachineDescriptor> vmds = VirtualMachine.list();7for (VirtualMachineDescriptor vmd: vmds) {8System.out.println(vmd.id() + " " + vmd.displayName());9}10}11}

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VirtualMachineDescriptor

Using AI Code Generation

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1import com.sun.tools.attach.VirtualMachine;2import com.sun.tools.attach.VirtualMachineDescriptor;3import java.util.List;4{5 public static void main(String[] args)6 {7 List<VirtualMachineDescriptor> vmlist = VirtualMachine.list();8 for(VirtualMachineDescriptor vmd : vmlist)9 {10 System.out.println(vmd.id());11 System.out.println(vmd.displayName());12 }13 }14}

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VirtualMachineDescriptor

Using AI Code Generation

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1import java.io.IOException;2import java.util.List;3import com.sun.tools.attach.VirtualMachineDescriptor;4public class 4 {5public static void main(String[] args) throws IOException {6List<VirtualMachineDescriptor> vmds = VirtualMachineDescriptor.list();7for (VirtualMachineDescriptor vmd : vmds) {8System.out.println(vmd);9}10}11}

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VirtualMachineDescriptor

Using AI Code Generation

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1import java.util.List;2import com.sun.tools.attach.VirtualMachine;3import com.sun.tools.attach.VirtualMachineDescriptor;4import java.io.File;5import java.io.IOException;6import java.io.InputStream;7import java.io.OutputStream;8import java.lang.management.ManagementFactory;9import java.lang.management.RuntimeMXBean;10import java.util.ArrayList;11import java.util.List;12public class 4 {13public static void main(String[] args) throws Exception {14int pid = 0;15String jvmName = ManagementFactory.getRuntimeMXBean().getName();16pid = Integer.parseInt(jvmName.split("@")[0]);17System.out.println("Current PID is:"+pid);18VirtualMachine vm = null;19try {20List<VirtualMachineDescriptor> vms = VirtualMachine.list();21for (VirtualMachineDescriptor vmd : vms) {22System.out.println("VM Name:"+vmd.displayName());23System.out.println("VM ID:"+vmd.id());24if (vmd.displayName().equals("MyApplication") && vmd.id().equals("1")) {25vm = VirtualMachine.attach(vmd);26break;27}28}29if (vm != null) {30vm.loadAgent("C:/Users/MyUser/Desktop/JavaAgent.jar");31vm.detach();32}33} catch (Exception e) {34e.printStackTrace();35}36}37}

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VirtualMachineDescriptor

Using AI Code Generation

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1package com.java2novice.attach;2import com.sun.tools.attach.VirtualMachine;3import com.sun.tools.attach.VirtualMachineDescriptor;4import java.util.List;5public class MyAttachDemo {6 public static void main(String a[]){7 List<VirtualMachineDescriptor> list = VirtualMachine.list();8 for(VirtualMachineDescriptor vmd:list){9 System.out.println("Process ID: "+vmd.id());10 System.out.println("Display Name: "+vmd.displayName());11 }12 }13}

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VirtualMachineDescriptor

Using AI Code Generation

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1import java.util.List;2import com.sun.tools.attach.*;3public class 4 {4 public static void main(String[] args) {5 List<VirtualMachineDescriptor> list = VirtualMachine.list();6 for(VirtualMachineDescriptor vmd: list){7 System.out.println("PID: "+vmd.id());8 System.out.println("Display name: "+vmd.displayName());9 System.out.println("Provider: "+vmd.provider());10 System.out.println("VM name: "+vmd.name());11 System.out.println("-------------------------");12 }13 }14}

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VirtualMachineDescriptor

Using AI Code Generation

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1import java.io.*;2import java.util.*;3import com.sun.tools.attach.*;4public class 4 {5public static void main(String args[]) throws Exception6{7List<VirtualMachineDescriptor> list = VirtualMachine.list();8for (VirtualMachineDescriptor vmd : list)9{10System.out.println("Process ID: " + vmd.id());11System.out.println("Display Name: " + vmd.displayName());12System.out.println("VM Name: " + vmd.name());13System.out.println("Provider: " + vmd.provider());14System.out.println("

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