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

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

Source:VirtualMachine02.java Github

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...33 * - VirtualMachine.attach(String id) (test tries to attach to the VM running test34 * and to the another VM started by this test)35 * - VirtualMachine.attach(VirtualMachineDescriptor vmd) (test tries to attach to the VM running test36 * and to the another VM started by this test)37 * - VirtualMachine.detach() (test checks that after detaching operations on VirtualMachine throw IOException)38 *39 * @library /vmTestbase /test/hotspot/jtreg/vmTestbase40 * /test/lib41 * @build nsk.share.aod.DummyTargetApplication42 * @run main/othervm43 * -Djdk.attach.allowAttachSelf44 * -XX:+UsePerfData45 * nsk.aod.VirtualMachine.VirtualMachine02.VirtualMachine0246 * -jdk ${test.jdk}47 * -javaOpts="-XX:+UsePerfData ${test.vm.opts} ${test.java.opts}"48 * -target nsk.share.aod.DummyTargetApplication49 */50package nsk.aod.VirtualMachine.VirtualMachine02;51import com.sun.tools.attach.VirtualMachine;52import com.sun.tools.attach.VirtualMachineDescriptor;53import com.sun.tools.attach.spi.AttachProvider;54import nsk.share.aod.AODTestRunner;55import nsk.share.test.TestUtils;56import java.io.IOException;57/*58 * Test checks following methods:59 * - VirtualMachine.attach(String) (test tries to attach to current and to another VM)60 * - VirtualMachine.attach(VirtualMachineDescriptor) (test tries to attach to current and to another VM)61 * - VirtualMachine.detach() (test checks that after detaching operations on VirtualMachine62 * throw IOException)63 */64public class VirtualMachine02 extends AODTestRunner {65 public VirtualMachine02(String[] args) {66 super(args);67 }68 public void doTestActions(String targetVMId) throws Throwable {69 log.display("Executing test for current VM");70 String currentVMId = getCurrentVMId();71 doTest(currentVMId);72 log.display("");73 log.display("Executing test for another VM (id = " + targetVMId + ")");74 doTest(targetVMId);75 }76 void doTest(String targetVMId) throws Throwable {77 VirtualMachine vm;78 log.display("Trying to attach using VirtualMachine(\"" + targetVMId + "\")");79 vm = VirtualMachine.attach(targetVMId);80 log.display("Attached: " + vm);81 checkDetach(vm);82 log.display("Trying to attach using VirtualMachine(VirtualMachineDescriptor)");83 AttachProvider provider;84 TestUtils.assertTrue(AttachProvider.providers().size() > 0, "AttachProvider.providers() returns empty list");85 provider = AttachProvider.providers().get(0);86 log.display("Create VirtualMachineDescriptor using provider '" + provider + "'");87 VirtualMachineDescriptor vmDescriptor = new VirtualMachineDescriptor(provider, targetVMId);88 vm = VirtualMachine.attach(vmDescriptor);89 log.display("Attached: " + vm);90 TestUtils.assertEquals(vm.provider(), provider, "vm.provider() returns unexpected value: " + vm.provider());91 checkDetach(vm);92 }93 void checkDetach(VirtualMachine vm) throws Throwable {94 log.display("Detaching from " + vm);95 vm.detach();96 try {97 vm.getSystemProperties();98 TestUtils.testFailed("Expected IOException wasn't thrown");99 } catch (IOException e) {100 // expected exception101 }102 try {103 vm.getAgentProperties();104 TestUtils.testFailed("Expected IOException wasn't thrown");105 } catch (IOException e) {106 // expected exception107 }108 try {109 vm.loadAgent("agent");110 TestUtils.testFailed("Expected IOException wasn't thrown");111 } catch (IOException e) {112 // expected exception113 }114 try {115 vm.loadAgentLibrary("agent");116 TestUtils.testFailed("Expected IOException wasn't thrown");117 } catch (IOException e) {118 // expected exception119 }120 try {121 vm.loadAgentPath("agent");122 TestUtils.testFailed("Expected IOException wasn't thrown");123 } catch (IOException e) {124 // expected exception125 }126 // shouldn't throw exception127 log.display("Trying to call detach one more time for " + vm);128 vm.detach();129 }130 public static void main(String[] args) {131 new VirtualMachine02(args).runTest();132 }133}...

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Source:MyAgent.java Github

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...55 public static void loadVirtualMachine() throws Exception{56 String jvmPid="targetPid";57// VirtualMachine jvm = VirtualMachine.attach(jvmPid);58// jvm.loadAgent(agentFilePath);//agentFilePath为agent的路径59// jvm.detach();60// logger.info("Attached to target JVM and loaded Java agent successfully");61 //实际返回的是 hotspotVirtualMachine 实现类62 VirtualMachine virtualMachine = VirtualMachine.attach(jvmPid);63 virtualMachine.loadAgent("agentFilePath");64 virtualMachine.detach();65 }66}...

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Source:AttachToolMain.java Github

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...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} ...

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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> vmdList = VirtualMachine.list();7 for (VirtualMachineDescriptor vmd : vmdList) {8 if (vmd.displayName().equals("4")) {9 try {10 VirtualMachine vm = VirtualMachine.attach(vmd);11 System.out.println("4 is running");12 vm.detach();13 System.out.println("4 is detached");14 } catch (Exception e) {15 e.printStackTrace();16 }17 }18 }19 }20}21import com.sun.tools.attach.VirtualMachine;22import com.sun.tools.attach.VirtualMachineDescriptor;23import java.util.List;24public class 5 {25 public static void main(String[] args) {26 List<VirtualMachineDescriptor> vmdList = VirtualMachine.list();27 for (VirtualMachineDescriptor vmd : vmdList) {28 if (vmd.displayName().equals("5")) {29 try {30 VirtualMachine vm = VirtualMachine.attach(vmd);31 System.out.println("5 is running");32 vm.detach();33 System.out.println("5 is detached");34 } catch (Exception e) {35 e.printStackTrace();36 }37 }38 }39 }40}41import com.sun.tools.attach.VirtualMachine;42import com.sun.tools.attach.VirtualMachineDescriptor;43import java.util.List;44public class 6 {45 public static void main(String[] args) {46 List<VirtualMachineDescriptor> vmdList = VirtualMachine.list();47 for (VirtualMachineDescriptor vmd : vmdList) {48 if (vmd.displayName().equals("6")) {49 try {50 VirtualMachine vm = VirtualMachine.attach(vmd);51 System.out.println("6 is running");52 vm.detach();53 System.out.println("6 is detached");54 } catch (Exception e) {55 e.printStackTrace();56 }57 }58 }59 }60}61import com.sun.tools.attach.VirtualMachine;62import com.sun.tools.attach.VirtualMachineDescriptor;63import java.util.List;64public class 7 {

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detach

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1import java.io.IOException;2import java.util.List;3import com.sun.tools.attach.VirtualMachine;4import com.sun.tools.attach.VirtualMachineDescriptor;5public class Detach {6 public static void main(String[] args) throws IOException {7 List<VirtualMachineDescriptor> vmds = VirtualMachine.list();8 for (VirtualMachineDescriptor vmd : vmds) {9 System.out.println(vmd.displayName() + " " + vmd.id());10 if (vmd.displayName().equals("MyJVM")) {11 VirtualMachine vm = VirtualMachine.attach(vmd.id());12 vm.detach();13 System.out.println("Detached from " + vmd.displayName());14 }15 }16 }17}18import java.io.IOException;19import java.util.List;20import com.sun.tools.attach.VirtualMachine;21import com.sun.tools.attach.VirtualMachineDescriptor;22public class Detach {23 public static void main(String[] args) throws IOException {24 List<VirtualMachineDescriptor> vmds = VirtualMachine.list();25 for (VirtualMachineDescriptor vmd : vmds) {26 System.out.println(vmd.displayName() + " " + vmd.id());27 if (vmd.displayName().equals("MyJVM")) {28 VirtualMachine vm = VirtualMachine.attach(vmd.id());29 vm.detach();30 System.out.println("Detached from " + vmd.displayName());31 }32 }33 }34}35import java.io.IOException;36import java.util.List;37import com.sun.tools.attach.VirtualMachine;38import com.sun.tools.attach.VirtualMachineDescriptor;39public class Detach {40 public static void main(String[] args) throws IOException {41 List<VirtualMachineDescriptor> vmds = VirtualMachine.list();42 for (VirtualMachineDescriptor vmd : vmds) {

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detach

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1import com.sun.tools.attach.VirtualMachine;2import com.sun.tools.attach.VirtualMachineDescriptor;3import java.util.List;4{5public static void main(String args[])6{7List<VirtualMachineDescriptor> list = VirtualMachine.list();8for(VirtualMachineDescriptor vmd : list)9{10if(vmd.displayName().equals("4"))11{12{13VirtualMachine vm = VirtualMachine.attach(vmd);14vm.detach();15}16catch(Exception e)17{18System.out.println(e);19}20}21}22}23}

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detach

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1import com.sun.tools.attach.*;2public class 4 {3 public static void main(String[] args) throws Exception {4 VirtualMachine vm = VirtualMachine.attach("12345");5 vm.detach();6 }7}8import com.sun.tools.attach.*;9public class 5 {10 public static void main(String[] args) throws Exception {11 VirtualMachine vm = VirtualMachine.attach("12345");12 vm.detach();13 }14}15import com.sun.tools.attach.*;16public class 6 {17 public static void main(String[] args) throws Exception {18 VirtualMachine vm = VirtualMachine.attach("12345");19 vm.detach();20 }21}22import com.sun.tools.attach.*;23public class 7 {24 public static void main(String[] args) throws Exception {25 VirtualMachine vm = VirtualMachine.attach("12345");26 vm.detach();27 }28}29import com.sun.tools.attach.*;30public class 8 {31 public static void main(String[] args) throws Exception {32 VirtualMachine vm = VirtualMachine.attach("12345");33 vm.detach();34 }35}36import com.sun.tools.attach.*;37public class 9 {38 public static void main(String[] args) throws Exception {39 VirtualMachine vm = VirtualMachine.attach("12345");40 vm.detach();41 }42}43import com.sun.tools.attach.*;44public class 10 {45 public static void main(String[] args) throws Exception {46 VirtualMachine vm = VirtualMachine.attach("12345");47 vm.detach();48 }49}50import com.sun.tools.attach.*;51public class 11 {52 public static void main(String[] args) throws Exception {53 VirtualMachine vm = VirtualMachine.attach("12345");54 vm.detach();55 }56}

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detach

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1import java.io.IOException;2import com.sun.tools.attach.VirtualMachine;3import com.sun.tools.attach.VirtualMachineDescriptor;4public class detach {5 public static void main(String[] args) throws IOException {6 String pid = args[0];7 VirtualMachine vm = null;8 for (VirtualMachineDescriptor vmd : VirtualMachine.list()) {9 if (vmd.id().equals(pid)) {10 vm = VirtualMachine.attach(vmd);11 break;12 }13 }14 if (vm != null) {15 vm.detach();16 }17 }18}19import java.io.IOException;20import com.sun.tools.attach.VirtualMachine;21import com.sun.tools.attach.VirtualMachineDescriptor;22public class loadAgent {23 public static void main(String[] args) throws IOException {24 String pid = args[0];25 VirtualMachine vm = null;26 for (VirtualMachineDescriptor vmd : VirtualMachine.list()) {27 if (vmd.id().equals(pid)) {28 vm = VirtualMachine.attach(vmd);29 break;30 }31 }32 if (vm != null) {33 vm.loadAgent("/home/agent.jar");34 vm.detach();35 }36 }37}38import java.io.IOException;39import com.sun.tools.attach.VirtualMachine;40import com.sun.tools.attach.VirtualMachineDescriptor;41public class loadAgentLibrary {42 public static void main(String[] args) throws IOException {43 String pid = args[0];44 VirtualMachine vm = null;45 for (VirtualMachineDescriptor vmd : VirtualMachine.list()) {46 if (vmd.id().equals(pid)) {47 vm = VirtualMachine.attach(vmd);48 break;49 }50 }51 if (vm != null) {52 vm.loadAgentLibrary("libagent.so", "arg1");53 vm.detach();54 }55 }56}57import java.io.IOException;58import com.sun.tools.attach.VirtualMachine;59import com.sun.tools.attach.VirtualMachineDescriptor;60public class loadAgentPath {61 public static void main(String[] args) throws IOException {62 String pid = args[0];63 VirtualMachine vm = null;64 for (VirtualMachineDescriptor vmd : VirtualMachine.list

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1package com.java2novice.jvm;2import com.sun.tools.attach.AttachNotSupportedException;3import com.sun.tools.attach.VirtualMachine;4import com.sun.tools.attach.VirtualMachineDescriptor;5import java.io.IOException;6import java.util.List;7public class MyDetachProcess {8 public static void main(String a[]){9 List<VirtualMachineDescriptor> vms = VirtualMachine.list();10 for(VirtualMachineDescriptor vmd:vms){11 System.out.println("Process ID: "+vmd.id());12 System.out.println("Process Name: "+vmd.displayName());13 System.out.println("Process Provider: "+vmd.provider());14 System.out.println("Process Location: "+vmd.location());15 System.out.println("Process VM Version: "+vmd.vmVersion());16 try {17 VirtualMachine vm = VirtualMachine.attach(vmd);18 vm.detach();19 } catch (AttachNotSupportedException ex) {20 ex.printStackTrace();21 } catch (IOException ex) {22 ex.printStackTrace();23 }24 }25 }26}

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detach

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1import com.sun.tools.attach.*;2import java.io.*;3import java.util.*;4{5public static void main(String args[])6{7VirtualMachine vm=null;8{9vm=VirtualMachine.attach(args[0]);10vm.detach();11}12catch(AttachNotSupportedException e)13{14System.out.println(e);15}16catch(IOException e)17{18System.out.println(e);19}20}21}22import com.sun.tools.attach.*;23import java.io.*;24import java.util.*;25{26public static void main(String args[])27{28VirtualMachine vm=null;29{30vm=VirtualMachine.attach(args[0]);31Properties p=vm.getAgentProperties();32System.out.println(p);33vm.detach();34}35catch(AttachNotSupportedException e)36{37System.out.println(e);38}39catch(IOException e)40{41System.out.println(e);42}43}44}45import com.sun.tools.attach.*;46import java.io.*;47import java.util.*;48{49public static void main(String args[])50{51VirtualMachine vm=null;52{53vm=VirtualMachine.attach(args[0]);54vm.loadAgentLibrary(args[1],args[2]);55vm.detach();56}57catch(AttachNotSupportedException e)58{59System.out.println(e);60}61catch(IOException e)62{63System.out.println(e);64}65}66}67import com.sun.tools.attach.*;68import java.io.*;69import java.util.*;70{71public static void main(String args[])72{73VirtualMachine vm=null;74{75vm=VirtualMachine.attach(args[0]);76vm.loadAgent(args[1]);77vm.detach();78}79catch(AttachNotSupportedException e)80{81System.out.println(e);82}83catch(IOException e)84{85System.out.println(e);86}87}88}

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