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 载模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
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éè¦å¨ MANIFEST.MF ä¸å
å« Premain-Class å±æ§ï¼17 * æ¤å±æ§çå¼æ¯ 代çç±» çå称ï¼å¹¶ä¸è¿ä¸ª 代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 * ææç对象å®ä¾é½æªè¢«å建ï¼23 * å èï¼æ²¡æä»»ä½ Java 代ç 被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°JavaAgentçjarå
å è½½å°ç®æ JVMä¸ã37 *38 * å¨è¿ç¨Bä¸åè¿ç¨Aä¸æ³¨å
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é¡»ætools.jarï¼æä¾VirtualMachine attach apiï¼ï¼jdké»è®¤ætools.jarï¼jreé»è®¤æ²¡æã40 *41 * tools.jar è¿ä¸ªå
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ç®å½ä¸çjre/lib ç®å½42 *43 * èè¿ä¸ªjre/lib ç®å½ä¸ 没æ jdkç®å½ä¸çtools.jar44 *45 *èè¿éç¨å°çVirtualMachineæ¯å°±æ¯ tools.jar å
ä¸çç±»ã46 * import com.sun.tools.attach.VirtualMachine;47 * import com.sun.tools.attach.VirtualMachineDescriptor;48 *49 * å¨jdk1.8ä¸ tools.jar å
ä¸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);//agentFilePath为agentçè·¯å¾59// jvm.detach();60// logger.info("Attached to target JVM and loaded Java agent successfully");61 //å®é
è¿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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