How to use HotSpotVirtualMachine class of sun.tools.attach package

Best Powermock code snippet using sun.tools.attach.HotSpotVirtualMachine

Source:VMattach.java

...3import java.io.InputStream;4import com.lsl.commons.lang.utils.system.management.JvmUtil;5import com.sun.tools.attach.AttachNotSupportedException;6import com.sun.tools.attach.VirtualMachine;7import sun.tools.attach.HotSpotVirtualMachine;8public class VMattach {9    public static void main(String[] args) throws IOException, AttachNotSupportedException {10        int vmPid = JvmUtil.getVMPid();11        VirtualMachine virtualMachine = VirtualMachine.attach("" + vmPid);12        HotSpotVirtualMachine hotSpotVirtualMachine = (HotSpotVirtualMachine)virtualMachine;13        InputStream inputStream = hotSpotVirtualMachine.remoteDataDump(new String[] {});14        byte[] buff = new byte[256];15        int len;16        do {17            len = inputStream.read(buff);18            if (len > 0) {19                String respone = new String(buff, 0, len, "UTF-8");20                System.out.print(respone);21            }22        } while (len > 0);23        inputStream.close();24        virtualMachine.detach();25    }26}...

Source:GetInstance.java

...4import java.io.InputStream;5import java.lang.management.ManagementFactory;6import java.lang.management.RuntimeMXBean;7import com.sun.tools.attach.AttachNotSupportedException;8import sun.tools.attach.HotSpotVirtualMachine;9public class GetInstance {10	public static void process() throws Exception, IOException{11		RuntimeMXBean bean = ManagementFactory.getRuntimeMXBean();12		String name = bean.getName();13		int index = name.indexOf('@');14		String pid = name.substring(0, index);15		//è¿éè¦åºåæä½ç³»ç»16		HotSpotVirtualMachine machine = (HotSpotVirtualMachine) new sun.tools.attach.WindowsAttachProvider().attachVirtualMachine(pid);17		InputStream is = machine.heapHisto("-all");18		ByteArrayOutputStream baos = new ByteArrayOutputStream();19		int readed;20		byte[] buff = new byte[1024];21		while((readed = is.read(buff)) > 0){22			baos.write(buff, 0, readed);23		}24		is.close();25		machine.detach();26	}27}...

Source:Attach.java

1import com.sun.tools.attach.VirtualMachine;2import sun.tools.attach.HotSpotVirtualMachine;3import java.io.InputStream;4public class Attach {5    public static void main(String[] args)throws Exception {6        VirtualMachine virtualMachine = VirtualMachine.attach("6617");7        HotSpotVirtualMachine hotSpotVirtualMachine = (HotSpotVirtualMachine)virtualMachine;8        InputStream inputStream = hotSpotVirtualMachine.remoteDataDump(new String[]{});9        byte[] buff = new byte[256];10        int len;11        do {12            len = inputStream.read(buff);13            if (len > 0) {14                String respone = new String(buff, 0, len, "UTF-8");15                System.out.print(respone);16            }17        } while(len > 0);18        inputStream.close();19        virtualMachine.detach();20    }21}...

HotSpotVirtualMachine

Using AI Code Generation

1import com.sun.tools.attach.*;2import sun.tools.attach.HotSpotVirtualMachine;3import java.util.*;4import java.io.*;5import java.lang.management.*;6{7    public static void main(String[] args) throws Exception8    {9(HotSpotVirtualMachine)VirtualMachine.attach(pid);10        InputStream is = vm.heapHisto("-live");11        BufferedReader br = new BufferedReader(new InputStreamReader(is));12        String line = br.readLine();13        while (line != null)14        {15            System.out.println(line);16            line = br.readLine();17        }18    }19}20sun.tools.attach.HotSpotVirtualMachine.heapHisto() is not supported on this 21        at sun.tools.attach.HotSpotVirtualMachine.heapHisto(HotSpotVirtualMachine.java:221)22        at 4.main(4.java:22)23sun.tools.attach.HotSpotVirtualMachine.heapHisto() is not supported on this 24        at sun.tools.attach.HotSpotVirtualMachine.heapHisto(HotSpotVirtualMachine.java:221)25        at 4.main(4.java:22)

HotSpotVirtualMachine

Using AI Code Generation

1import com.sun.tools.attach.*;2{3public static void main(String[] args)4{5{6VirtualMachine vm = VirtualMachine.attach("1234");7vm.loadAgent("/home/abc/agent.jar");8vm.detach();9}10catch(Exception e)11{12System.out.println(e);13}14}15}16import com.sun.tools.attach.*;17{18public static void agentmain(String agentArgs, Instrumentation inst)19{20System.out.println("Agent is running");21}22}23Exception in thread "main" java.lang.UnsatisfiedLinkError: com.sun.tools.attach.VirtualMachineImpl.getSystemProperties0()Ljava/util/Properties;24at com.sun.tools.attach.VirtualMachineImpl.getSystemProperties0(Native Method)25at com.sun.tools.attach.VirtualMachineImpl.getSystemProperties(VirtualMachineImpl.java:174)26at com.sun.tools.attach.VirtualMachineImpl.loadAgent(VirtualMachineImpl.java:167)27at com.sun.tools.attach.VirtualMachine.loadAgent(VirtualMachine.java:279)28at 4.main(4.java:11)29Exception in thread "main" java.lang.UnsatisfiedLinkError: com.sun.tools.attach.VirtualMachineImpl.getSystemProperties0()Ljava/util/Properties;

HotSpotVirtualMachine

Using AI Code Generation

1import java.io.IOException;2import java.lang.management.*;3import java.lang.reflect.*;4import java.util.*;5import com.sun.tools.attach.*;6import sun.tools.attach.*;7public class Path {8public static void main(String[] args) throws Exception {9List list = VirtualMachine.list();10VirtualMachine vm = null;11for (int i = 0; i < list.size(); i++) {12VirtualMachineDescriptor vmd = (VirtualMachineDescriptor) list.get(i);13if (vmd.id().equals("1234")) {14vm = VirtualMachine.attach(vmd);15break;16}17}18Properties props = vm.getSystemProperties();19String classpath = props.getProperty("java.class.path");20System.out.println(classpath);21vm.detach();22}23}24import java.io.IOException;25import java.lang.management.*;26import java.lang.reflect.*;27import java.util.*;28import com.sun.tools.attach.*;29import sun.tools.attach.*;30public class Path {31public static void main(String[] args) throws Exception {32List list = VirtualMachine.list();33VirtualMachine vm = null;34for (int i = 0; i < list.size(); i++) {35VirtualMachineDescriptor vmd = (VirtualMachineDescriptor) list.get(i);36if (vmd.id().equals("1234")) {37vm = VirtualMachine.attach(vmd);38break;39}40}41Properties props = vm.getSystemProperties();42String classpath = props.getProperty("java.class.path");43System.out.println(classpath);44vm.detach();45}46}47import java.io.*;48import java.util.*;49import java.lang.management.*;50import com.sun.tools.attach.*;51public class Path {52public static void main(String[] args) throws Exception {53List list = VirtualMachine.list();54VirtualMachine vm = null;

HotSpotVirtualMachine

Using AI Code Generation

1import java.io.*;2import java.util.*;3import java.lang.management.*;4import com.sun.tools.attach.*;5public class 4 {6    public static void main(String[] args) throws Exception {7        String targetId = args[0];8        HotSpotVirtualMachine target = (HotSpotVirtualMachine)VirtualMachine.attach(targetId);9        List<String> classes = target.getSystemProperties().get("java.class.path").split(";");10        for (String cls : classes) {11            System.out.println(cls);12        }13        target.detach();14    }15}16import java.io.*;17import java.util.*;18import java.lang.management.*;19import com.sun.tools.attach.*;20public class 5 {21    public static void main(String[] args) throws Exception {22        String targetId = args[0];23        HotSpotVirtualMachine target = (HotSpotVirtualMachine)VirtualMachine.attach(targetId);24        List<String> classes = target.getSystemProperties().get("java.class.path").split(";");25        for (String cls : classes) {26            System.out.println(cls);27        }28        target.detach();29    }30}31import java.io.*;32import java.util.*;33import java.lang.management.*;34import com.sun.tools.attach.*;35public class 6 {36    public static void main(String[] args) throws Exception {37        String targetId = args[0];38        HotSpotVirtualMachine target = (HotSpotVirtualMachine)VirtualMachine.attach(targetId);

HotSpotVirtualMachine

Using AI Code Generation

1package com.mycompany.myproject;2import java.io.IOException;3import java.util.Arrays;4import java.util.List;5import com.sun.tools.attach.AttachNotSupportedException;6import com.sun.tools.attach.VirtualMachine;7import com.sun.tools.attach.VirtualMachineDescriptor;8public class 4 {9    public static void main(String[] args) {10        List<VirtualMachineDescriptor> vmds = VirtualMachine.list();11        for (VirtualMachineDescriptor vmd : vmds) {12            if (vmd.displayName().contains("myapp")) {13                try {14                    VirtualMachine vm = VirtualMachine.attach(vmd);15                    vm.heapHisto("heapdump.txt");16                } catch (AttachNotSupportedException e) {17                    e.printStackTrace();18                } catch (IOException e) {19                    e.printStackTrace();20                }21            }22        }23    }24}25package com.mycompany.myproject;26import java.io.File;27import java.io.IOException;28import java.lang.management.ManagementFactory;29import java.lang.management.MemoryMXBean;30import java.lang.management.MemoryUsage;31import java.util.Date;32import javax.management.MBeanServer;33import javax.management.MalformedObjectNameException;34import javax.management.ObjectName;35import javax.management.openmbean.CompositeData;36import com.sun.management.HotSpotDiagnosticMXBean;37public class 5 {38    public static void main(String[] args) {39        try {40            MBeanServer server = ManagementFactory.getPlatformMBeanServer();41            HotSpotDiagnosticMXBean mxBean = ManagementFactory.newPlatformMXBeanProxy(server,42                    "com.sun.management:type=HotSpotDiagnostic", HotSpotDiagnosticMXBean.class);43            mxBean.dumpHeap("heapdump.txt", true);44        } catch (IOException e) {45            e.printStackTrace();46        }47    }48}49package com.mycompany.myproject;50import java.io.File;51import java.io.IOException;52import java.lang.management.ManagementFactory;53import java.lang.management.MemoryMXBean;54import java.lang.management.MemoryUsage;55import java.util.Date;56import javax.management.MBeanServer;57import javax.management.MalformedObjectNameException;58import javax.management.ObjectName;59import javax.management.openmbean.CompositeData;60import com.sun

HotSpotVirtualMachine

Using AI Code Generation

1import java.lang.management.*;2import java.io.*;3import java.util.*;4import com.sun.tools.attach.*;5import com.sun.tools.attach.VirtualMachine;6public class 4 {7public static void main(String[] args) throws Exception {8  String pid = args[0];9  VirtualMachine vm = VirtualMachine.attach(pid);10  String agent = vm.getSystemProperties().getProperty("java.home") + File.separator + "lib" + File.separator + "management-agent.jar";11  vm.loadAgent(agent);12  vm.detach();13  VirtualMachineDescriptor vmd = null;14  for (VirtualMachineDescriptor vmdesc : VirtualMachine.list()) {15    if (vmdesc.id().equals(pid)) {16      vmd = vmdesc;17    }18  }19  if (vmd != null) {20    VirtualMachine vm2 = VirtualMachine.attach(vmd);21    InputStream in = vm2.remoteDataDump(new Object[] {ThreadInfo.class});22    ObjectInputStream ois = new ObjectInputStream(in);23    ThreadInfo[] threads = (ThreadInfo[]) ois.readObject();24    for (ThreadInfo thread : threads) {25      System.out.println(thread);26    }27    vm2.detach();28  }29}30}31at java.net.SocketInputStream.socketRead0(Native Method)32at java.net.SocketInputStream.read(SocketInputStream.java:152)33at java.net.SocketInputStream.read(SocketInputStream.java:122)34at java.io.BufferedInputStream.fill(BufferedInputStream.java:235)35at java.io.BufferedInputStream.read(BufferedInputStream.java:254)36at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:283)37at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:325)38at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:177)39at java.io.InputStreamReader.read(InputStreamReader.java:184)40at java.io.BufferedReader.fill(BufferedReader.java:161)41at java.io.BufferedReader.readLine(BufferedReader.java:324)42at java.io.BufferedReader.readLine(BufferedReader.java:389)43at 4.main(4.java:42)

HotSpotVirtualMachine

Using AI Code Generation

1import java.io.File;2import java.io.IOException;3import java.lang.management.ManagementFactory;4import java.lang.management.MemoryMXBean;5import java.lang.management.MemoryUsage;6import java.lang.reflect.InvocationTargetException;7import java.lang.reflect.Method;8import java.util.ArrayList;9import java.util.List;10import sun.tools.attach.HotSpotVirtualMachine;11public class HeapDump {12    private static final String HOTSPOT_BEAN_NAME = "com.sun.management:type=HotSpotDiagnostic";13    private static final String HOTSPOT_DUMP_HEAP_METHOD = "dumpHeap";14    public static void main(String[] args) throws Exception {15        String pid = getPid();16        System.out.println("PID: " + pid);17        String heapDumpFile = "heapdump.bin";18        dumpHeap(pid, heapDumpFile);19    }20    public static String getPid() throws Exception {21        String name = ManagementFactory.getRuntimeMXBean().getName();22        String pid = name.substring(0, name.indexOf('@'));23        return pid;24    }25    public static void dumpHeap(String pid, String heapDumpFile) throws Exception {26        HotSpotVirtualMachine vm = null;27        try {28            vm = (HotSpotVirtualMachine) HotSpotVirtualMachine.attach(pid);29            vm.loadAgentLibrary("jdwp", "transport=dt_socket,server=y,suspend=n,address=5005");30            vm.loadAgentLibrary("jrockit", "transport=dt_socket,server=y,suspend=n,address=5005");31            vm.loadAgentLibrary("jvm", "transport=dt_socket,server=y,suspend=n,address=5005");32            vm.loadAgentLibrary("jvmstat", "transport=dt_socket,server=y,suspend=n,address=5005");33            vm.loadAgentLibrary("management", "transport=dt_socket,server=y,suspend=n,address=5005");34            vm.loadAgentLibrary("management_agent", "transport=dt_socket,server=y,suspend=n,address=5005");35            vm.loadAgentLibrary("msvcr71", "transport=dt_socket,server=y,suspend=n,address=5005");36            vm.loadAgentLibrary("net", "transport=dt_socket,server=y,suspend=n,address=5005");

HotSpotVirtualMachine

Using AI Code Generation

1import java.io.*;2import java.lang.management.*;3import java.util.*;4import com.sun.tools.attach.*;5public class 4 {6    public static void main(String[] args) throws Exception {7        String pid = args[0];8        VirtualMachine vm = VirtualMachine.attach(pid);9        try {10            vm.loadAgent("/usr/lib/jvm/java-6-sun-

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.