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

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

Source:MyAgent.java

1package agent;2import com.sachin.agent.transformer.GreetingTransformer;3import com.sun.tools.attach.VirtualMachine;4import java.lang.instrument.Instrumentation;5@SuppressWarnings("AlibabaRemoveCommentedCode")6public class MyAgent {7    /**8     * Java Agentæ¯æç®æ JVMå¯å¨æ¶å è½½ï¼ä¹æ¯æå¨ç®æ JVMè¿è¡æ¶å è½½ï¼è¿ä¸¤ç§ä¸åçå è½½æ¨¡å¼ä¼ä½¿ç¨ä¸åçå¥å£å½æ°ï¼å¦æéè¦å¨ç®æ JVMå¯å¨çåæ¶å è½½Agentï¼9     * é£ä¹å¯ä»¥éæ©å®ç°ä¸é¢çæ¹æ³ï¼10     * [1] public static void premain(String agentArgs, Instrumentation inst);11     * [2] public static void premain(String agentArgs);12     *13     *14     *15     *16     * å¯å¨æ¶å è½½ agentï¼-javaagent ä¼ å¥ç jar åéè¦å¨ MANIFEST.MF ä¸åå« Premain-Class å±æ§ï¼17     * æ¤å±æ§çå¼æ¯ ä»£çç±» çåç§°ï¼å¹¶ä¸è¿ä¸ª ä»£çç±» è¦å®ç° premain éææ¹æ³ã18     *19     *20     * Agent æ¯å¨ Java èææºå¯å¨ä¹æ¶å è½½çï¼è¿ä¸ªå è½½å¤äºèææºåå§åçæ©æï¼å¨è¿ä¸ªæ¶é´ç¹ä¸ï¼21     * ææç Java ç±»é½æªè¢«åå§åï¼22     * ææçå¯¹è±¡å®ä¾é½æªè¢«åå»ºï¼23     * å èï¼æ²¡æä»»ä½ Java ä»£ç è¢«æ§è¡ï¼24     *25     *26     *  java -javaagent:/Users/jingrzhang/sourceCodes/JavaAgent/first-agent/target/my-agent.jar=abc -jar  app-demo-1.0-SNAPSHOT.jar27     *28     */29    public static void premain(String agentArgs, Instrumentation inst) {30        System.out.println("MyAgent#premain");31        System.out.println("args:" + agentArgs + "\n");32       inst.addTransformer(new GreetingTransformer(agentArgs),true);33    }34    /**35     * JDK1.6æ°å¢äºattachæ¹å¼ï¼å¯ä»¥å¯¹è¿è¡ä¸çjavaè¿ç¨éå agentï¼æä¾äºå¨æä¿®æ¹è¿è¡ä¸å·²ç»è¢«å è½½çç±»çéå¾ã36     * ä¸è¬éè¿VirtualMachineçattach(pid)æ¹æ³è·å¾VirtualMachineå®ä¾ï¼éåå¯è°ç¨loadagentæ¹æ³å°JavaAgentçjaråå è½½å°ç®æ JVMä¸ã37     *38     * å¨è¿ç¨Bä¸åè¿ç¨Aä¸æ³¨å¥java agentï¼éè¦æ»¡è¶³ä»¥ä¸æ¡ä»¶ï¼39     * è¿ç¨Bçclasspathä¸å¿é¡»ætools.jarï¼æä¾VirtualMachine attach apiï¼ï¼jdké»è®¤ætools.jarï¼jreé»è®¤æ²¡æã40     *41     * tools.jar è¿ä¸ªåä½äºjdkçlibç®å½ä¸ï¼ IDEAä¸å®è£çjava ä¾èµæ¯ JREï¼ä¹å°±æ¯jdkå®è£ç®å½ä¸çjre/lib ç®å½42     *43     * èè¿ä¸ªjre/lib ç®å½ä¸ æ²¡æ jdkç®å½ä¸çtools.jar44     *45     *èè¿éç¨å°çVirtualMachineæ¯å°±æ¯ tools.jar åä¸çç±»ã46     * import com.sun.tools.attach.VirtualMachine;47     * import com.sun.tools.attach.VirtualMachineDescriptor;48     *49     * å¨jdk1.8ä¸ tools.jar åä¸æ²¡æäº VirtualMachineï¼ èæ¯åå¨50     * sun.tools.attach.HotSpotVirtualMachine51     *52     * com.sun.tools.attach.VirtualMachine53     *54     */55    public static void loadVirtualMachine() throws Exception{56        String jvmPid="targetPid";57//        VirtualMachine jvm = VirtualMachine.attach(jvmPid);58//        jvm.loadAgent(agentFilePath);//agentFilePathä¸ºagentçè·¯å¾59//        jvm.detach();60//        logger.info("Attached to target JVM and loaded Java agent successfully");61        //å®éè¿åçæ¯ hotspotVirtualMachine å®ç°ç±»62        VirtualMachine virtualMachine = VirtualMachine.attach(jvmPid);63        virtualMachine.loadAgent("agentFilePath");64        virtualMachine.detach();65    }66}

Source:AttachToolMain.java

...56import com.sun.tools.attach.AgentInitializationException;7import com.sun.tools.attach.AgentLoadException;8import com.sun.tools.attach.AttachNotSupportedException;9import com.sun.tools.attach.VirtualMachine;10import com.sun.tools.attach.VirtualMachineDescriptor;1112/**13 * Add tools.jar14 * @author geym15 *16 */17public class AttachToolMain {18    public static void main(String[] args) throws AttachNotSupportedException, IOException, AgentLoadException, AgentInitializationException {19        List<VirtualMachineDescriptor> list = VirtualMachine.list();  20        for (VirtualMachineDescriptor vmd : list)  21        {  22            if(vmd.displayName().endsWith("RunLoopAccountMain")){  23                VirtualMachine virtualmachine = VirtualMachine.attach(vmd.id());  24                virtualmachine.loadAgent("D:\\ja.jar", "argument for agent");25                System.out.println("ok");26                virtualmachine.detach();27            }28        } 29    }30}
...

VirtualMachine

Using AI Code Generation

1import com.sun.tools.attach.VirtualMachine;2import com.sun.tools.attach.VirtualMachineDescriptor;3import java.util.List;4public class 4 {5    public static void main(String[] args) {6        List<VirtualMachineDescriptor> vms = VirtualMachine.list();7        for (VirtualMachineDescriptor vm : vms) {8            try {9                VirtualMachine v = VirtualMachine.attach(vm);10                System.out.println(v.getSystemProperties());11                System.out.println(v.getAgentProperties());12                System.out.println(v.getSystemProperties());13                System.out.println(v.getAgentProperties());14                v.detach();15            } catch (Exception e) {16                e.printStackTrace();17            }18        }19    }20}

VirtualMachine

Using AI Code Generation

1import java.io.*;2import java.util.*;3import com.sun.tools.attach.*;4public class 4 {5    public static void main(String args[]) throws Exception {6        String pid = args[0];7        VirtualMachine vm = VirtualMachine.attach(pid);8        Properties props = vm.getSystemProperties();9        vm.detach();10        props.list(System.out);11    }12}

VirtualMachine

Using AI Code Generation

1import com.sun.tools.attach.*;2import java.util.*;3{4public static void main(String args[])5{6List l=VirtualMachine.list();7System.out.println("Total Java Processes Running: "+l.size());8for(int i=0;i<l.size();i++)9{10VirtualMachineDescriptor vmd=(VirtualMachineDescriptor)l.get(i);11System.out.println("Process ID: "+vmd.id());12System.out.println("Process Display Name: "+vmd.displayName());13}14}15}

VirtualMachine

Using AI Code Generation

1import com.sun.tools.attach.*;2import java.io.IOException;3import java.util.Properties;4import java.io.File;5import java.io.FileOutputStream;6import java.io.InputStream;7import java.io.OutputStream;8import java.io.BufferedInputStream;9import java.io.BufferedOutputStream;10import java.io.BufferedReader;11import java.io.InputStreamReader;12import java.io.FileInputStream;13import java.io.FileNotFoundException;14import java.io.IOException;15import java.util.ArrayList;16import java.util.List;17import java.util.logging.Level;18import java.util.logging.Logger;19public class 4 {20    public static void main(String[] args) throws IOException, AttachNotSupportedException, AgentLoadException, AgentInitializationException {21        String pid = args[0];22        String heapDumpPath = args[1];23        String agent = args[2];24        VirtualMachine vm = VirtualMachine.attach(pid);25        vm.loadAgent(agent, heapDumpPath);26        vm.detach();27    }28}29import com.sun.tools.attach.*;30import java.io.IOException;31import java.util.Properties;32import java.io.File;33import java.io.FileOutputStream;34import java.io.InputStream;35import java.io.OutputStream;36import java.io.BufferedInputStream;37import java.io.BufferedOutputStream;38import java.io.BufferedReader;39import java.io.InputStreamReader;40import java.io.FileInputStream;41import java.io.FileNotFoundException;42import java.io.IOException;43import java.util.ArrayList;44import java.util.List;45import java.util.logging.Level;46import java.util.logging.Logger;47public class 5 {48    public static void main(String[] args) throws IOException, AttachNotSupportedException, AgentLoadException, AgentInitializationException {49        String pid = args[0];50        String heapDumpPath = args[1];51        String agent = args[2];52        VirtualMachine vm = VirtualMachine.attach(pid);53        vm.loadAgent(agent, heapDumpPath);54        vm.detach();55    }56}57import com.sun.tools.attach.*;58import java.io.IOException;59import java.util.Properties;60import java.io.File;61import java.io.FileOutputStream;62import java.io.InputStream;63import java.io.OutputStream;64import java.io.BufferedInputStream;65import java.io.BufferedOutputStream;66import java.io.BufferedReader;67import java.io.InputStreamReader;68import java.io.FileInputStream;69import java.io.FileNotFoundException;70import java.io.IOException;71import java.util

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