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

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

Source:HotSpotVirtualMachine.java Github

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...23 * questions.24 */25package sun.tools.attach;26import com.sun.tools.attach.VirtualMachine;27import com.sun.tools.attach.AgentLoadException;28import com.sun.tools.attach.AgentInitializationException;29import com.sun.tools.attach.spi.AttachProvider;30import java.io.InputStream;31import java.io.IOException;32import java.util.Properties;33import java.util.Map;34/*35 * The HotSpot implementation of com.sun.tools.attach.VirtualMachine.36 */37public abstract class HotSpotVirtualMachine extends VirtualMachine {38 HotSpotVirtualMachine(AttachProvider provider, String id) {39 super(provider, id);40 }41 /*42 * Load agent library43 * If isAbsolute is true then the agent library is the absolute path44 * to the library and thus will not be expanded in the target VM.45 * if isAbsolute is false then the agent library is just a library46 * name and it will be expended in the target VM.47 */48 private void loadAgentLibrary(String agentLibrary, boolean isAbsolute, String options)49 throws AgentLoadException, AgentInitializationException, IOException50 {51 InputStream in = execute("load",52 agentLibrary,53 isAbsolute ? "true" : "false",54 options);55 try {56 int result = readInt(in);57 if (result != 0) {58 throw new AgentInitializationException("Agent_OnAttach failed", result);59 }60 } finally {61 in.close();62 }63 }64 /*65 * Load agent library - library name will be expanded in target VM66 */67 public void loadAgentLibrary(String agentLibrary, String options)68 throws AgentLoadException, AgentInitializationException, IOException69 {70 loadAgentLibrary(agentLibrary, false, options);71 }72 /*73 * Load agent - absolute path of library provided to target VM74 */75 public void loadAgentPath(String agentLibrary, String options)76 throws AgentLoadException, AgentInitializationException, IOException77 {78 loadAgentLibrary(agentLibrary, true, options);79 }80 /*81 * Load JPLIS agent which will load the agent JAR file and invoke82 * the agentmain method.83 */84 public void loadAgent(String agent, String options)85 throws AgentLoadException, AgentInitializationException, IOException86 {87 String args = agent;88 if (options != null) {89 args = args + "=" + options;90 }91 try {92 loadAgentLibrary("instrument", args);93 } catch (AgentLoadException x) {94 throw new InternalError("instrument library is missing in target VM", x);95 } catch (AgentInitializationException x) {96 /*97 * Translate interesting errors into the right exception and98 * message (FIXME: create a better interface to the instrument99 * implementation so this isn't necessary)100 */101 int rc = x.returnValue();102 switch (rc) {103 case JNI_ENOMEM:104 throw new AgentLoadException("Insuffient memory");105 case ATTACH_ERROR_BADJAR:106 throw new AgentLoadException("Agent JAR not found or no Agent-Class attribute");107 case ATTACH_ERROR_NOTONCP:108 throw new AgentLoadException("Unable to add JAR file to system class path");109 case ATTACH_ERROR_STARTFAIL:110 throw new AgentInitializationException("Agent JAR loaded but agent failed to initialize");111 default :112 throw new AgentLoadException("Failed to load agent - unknown reason: " + rc);113 }114 }115 }116 /*117 * The possible errors returned by JPLIS's agentmain118 */119 private static final int JNI_ENOMEM = -4;120 private static final int ATTACH_ERROR_BADJAR = 100;121 private static final int ATTACH_ERROR_NOTONCP = 101;122 private static final int ATTACH_ERROR_STARTFAIL = 102;123 /*124 * Send "properties" command to target VM125 */126 public Properties getSystemProperties() throws IOException {127 InputStream in = null;128 Properties props = new Properties();129 try {130 in = executeCommand("properties");131 props.load(in);132 } finally {133 if (in != null) in.close();134 }135 return props;136 }137 public Properties getAgentProperties() throws IOException {138 InputStream in = null;139 Properties props = new Properties();140 try {141 in = executeCommand("agentProperties");142 props.load(in);143 } finally {144 if (in != null) in.close();145 }146 return props;147 }148 // --- HotSpot specific methods ---149 // same as SIGQUIT150 public void localDataDump() throws IOException {151 executeCommand("datadump").close();152 }153 // Remote ctrl-break. The output of the ctrl-break actions can154 // be read from the input stream.155 public InputStream remoteDataDump(Object ... args) throws IOException {156 return executeCommand("threaddump", args);157 }158 // Remote heap dump. The output (error message) can be read from the159 // returned input stream.160 public InputStream dumpHeap(Object ... args) throws IOException {161 return executeCommand("dumpheap", args);162 }163 // Heap histogram (heap inspection in HotSpot)164 public InputStream heapHisto(Object ... args) throws IOException {165 return executeCommand("inspectheap", args);166 }167 // set JVM command line flag168 public InputStream setFlag(String name, String value) throws IOException {169 return executeCommand("setflag", name, value);170 }171 // print command line flag172 public InputStream printFlag(String name) throws IOException {173 return executeCommand("printflag", name);174 }175 public InputStream executeJCmd(String command) throws IOException {176 return executeCommand("jcmd", command);177 }178 // -- Supporting methods179 /*180 * Execute the given command in the target VM - specific platform181 * implementation must implement this.182 */183 abstract InputStream execute(String cmd, Object ... args)184 throws AgentLoadException, IOException;185 /*186 * Convenience method for simple commands187 */188 private InputStream executeCommand(String cmd, Object ... args) throws IOException {189 try {190 return execute(cmd, args);191 } catch (AgentLoadException x) {192 throw new InternalError("Should not get here", x);193 }194 }195 /*196 * Utility method to read an 'int' from the input stream. Ideally197 * we should be using java.util.Scanner here but this implementation198 * guarantees not to read ahead.199 */200 int readInt(InputStream in) throws IOException {201 StringBuilder sb = new StringBuilder();202 // read to \n or EOF203 int n;204 byte buf[] = new byte[1];205 do {...

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Source:AgentHookUtil.java Github

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1package net.jueb.util4j.jvm.agent;2import com.sun.tools.attach.AgentInitializationException;3import com.sun.tools.attach.AgentLoadException;4import com.sun.tools.attach.AttachNotSupportedException;5import com.sun.tools.attach.VirtualMachine;6import lombok.extern.slf4j.Slf4j;7import net.jueb.util4j.bytesStream.InputStreamUtils;8import net.jueb.util4j.file.FileUtil;9import net.jueb.util4j.jvm.VmUtil;10import java.io.*;11import java.net.URL;12@Slf4j13public class AgentHookUtil {14 public static String agentName="tools/util4jAgent.jar";15 private static AgentHook agentHook;16 public synchronized static AgentHook getAgentHook() throws IOException, AttachNotSupportedException, AgentLoadException, AgentInitializationException {17 return getAgentHook(null,true);18 }19 public synchronized static AgentHook getAgentHook(boolean deleteOndetach) throws IOException, AttachNotSupportedException, AgentLoadException, AgentInitializationException {20 return getAgentHook(null,deleteOndetach);21 }22 /**23 * 指定一个../xx.jar的临时文件路径用于agent的加载24 * @param agentTmpPath String path = File.createTempFile("agent_tmp", ".jar", new File("").getAbsoluteFile()).getPath();25 * @param deleteOndetach26 * @return27 * @throws IOException28 * @throws AttachNotSupportedException29 * @throws AgentLoadException30 * @throws AgentInitializationException31 */32 public synchronized static AgentHook getAgentHook(String agentTmpPath,boolean deleteOndetach) throws IOException, AttachNotSupportedException, AgentLoadException, AgentInitializationException {33 if(agentHook!=null){34 return agentHook;35 }36 File tempFile=null;37 VirtualMachine virtualMachine=null;38 FileOutputStream fos;39 try {40 InputStream resourceAsStream = AgentHookUtil.class.getClassLoader().getResourceAsStream(agentName);41 byte[] agentData=InputStreamUtils.getBytes(resourceAsStream);42 if(agentTmpPath!=null){43 try {44 tempFile=new File(agentTmpPath);45 tempFile.createNewFile();46 }catch (Exception e){47 log.error(e.getMessage(),e);48 }49 }50 if(tempFile==null){51 tempFile = File.createTempFile("agent_tmp", ".jar");52 }53 fos=new FileOutputStream(tempFile);54 fos.write(agentData);55 fos.close();56 resourceAsStream.close();57 String path=tempFile.toString();58 System.out.println("loadAgentUsePath:"+path);59 log.info("loadAgentUsePath:"+path);60 virtualMachine = VmUtil.getVirtualMachine();61 String arg=AgentHookImpl.class.getName();62 virtualMachine.loadAgent(path,arg);63 agentHook=AgentHookImpl.getInstance();64 return agentHook;65 }finally {66 if(virtualMachine!=null){67 virtualMachine.detach();68 log.info("detach agent");69 }70 if(deleteOndetach){71 if(tempFile!=null){72 tempFile.delete();73 if(tempFile.exists()){74 tempFile.deleteOnExit();75 }76 }77 }78 }79 }80 public static void main(String[] args) throws IOException, AttachNotSupportedException, AgentLoadException, AgentInitializationException {81 AgentHook agentHook = getAgentHook();82 System.out.println(agentHook);83 System.out.println(agentHook.getInstrumentation());84 }85}...

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AgentLoadException

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1import com.sun.tools.attach.AgentLoadException;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 4 {8 public static void main(String[] args) throws IOException, AttachNotSupportedException, AgentLoadException {9 List<VirtualMachineDescriptor> list = VirtualMachine.list();10 for (VirtualMachineDescriptor vmd : list) {11 String pid = vmd.id();12 System.out.println("Pid is " + pid);13 VirtualMachine vm = VirtualMachine.attach(pid);14 System.out.println("Connected");15 vm.detach();16 }17 }18}19import com.sun.tools.attach.AgentLoadException;20import com.sun.tools.attach.AgentInitializationException;21import com.sun.tools.attach.AttachNotSupportedException;22import com.sun.tools.attach.VirtualMachine;23import com.sun.tools.attach.VirtualMachineDescriptor;24import java.io.IOException;25import java.util.List;26public class 4 {27 public static void main(String[] args) throws IOException, AttachNotSupportedException, AgentLoadException, AgentInitializationException {28 List<VirtualMachineDescriptor> list = VirtualMachine.list();29 for (VirtualMachineDescriptor vmd : list) {30 String pid = vmd.id();31 System.out.println("Pid is " + pid);32 VirtualMachine vm = VirtualMachine.attach(pid);33 System.out.println("Connected");34 vm.loadAgent("C:\\Users\\User\\Desktop\\4.jar");35 vm.detach();36 }37 }38}39import com.sun.tools.attach.AgentInitializationException;40import com.sun.tools.attach.AttachNotSupportedException;41import com.sun.tools.attach.VirtualMachine;42import com.sun.tools.attach.VirtualMachineDescriptor;43import java.io.IOException;44import java.util.List;45public class 5 {46 public static void main(String[] args) throws IOException, AttachNotSupportedException, AgentInitializationException {47 List<VirtualMachineDescriptor> list = VirtualMachine.list();48 for (VirtualMachineDescriptor vmd : list) {49 String pid = vmd.id();50 System.out.println("Pid is " + pid);51 VirtualMachine vm = VirtualMachine.attach(pid);

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AgentLoadException

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1import java.io.IOException;2import com.sun.tools.attach.*;3public class 4 {4 public static void main(String[] args) throws IOException {5 VirtualMachine vm = VirtualMachine.attach(args[0]);6 try {7 vm.loadAgent("someAgent.jar");8 } catch (AgentLoadException e) {9 System.out.println(e.getMessage());10 }11 vm.detach();12 }13}14import java.io.IOException;15import com.sun.tools.attach.*;16public class 5 {17 public static void main(String[] args) throws IOException {18 VirtualMachine vm = VirtualMachine.attach(args[0]);19 try {20 vm.loadAgent("someAgent.jar");21 } catch (AgentInitializationException e) {22 System.out.println(e.getMessage());23 }24 vm.detach();25 }26}27import java.io.IOException;28import com.sun.tools.attach.*;29public class 6 {30 public static void main(String[] args) throws IOException {31 VirtualMachine vm = VirtualMachine.attach(args[0]);32 try {33 vm.loadAgent("someAgent.jar");34 } catch (AgentAttachException e) {35 System.out.println(e.getMessage());36 }37 vm.detach();38 }39}40import java.io.IOException;41import com.sun.tools.attach.*;42public class 7 {43 public static void main(String[] args) throws IOException {44 VirtualMachine vm = VirtualMachine.attach(args[0]);45 try {46 vm.loadAgent("someAgent.jar");47 } catch (AgentLoadException e) {48 System.out.println(e.getMessage());49 }50 vm.detach();51 }52}53import java.io.IOException;54import com.sun.tools.attach.*;55public class 8 {56 public static void main(String[] args) throws IOException {57 VirtualMachine vm = VirtualMachine.attach(args[0]);58 try {59 vm.loadAgent("someAgent.jar");60 } catch (AgentInitializationException e) {61 System.out.println(e.getMessage());62 }63 vm.detach();64 }65}

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AgentLoadException

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1import java.io.IOException;2import com.sun.tools.attach.*;3public class 4 {4 public static void main(String[] args) throws IOException, AttachNotSupportedException, AgentLoadException, AgentInitializationException {5 String pid = args[0];6 VirtualMachine vm = VirtualMachine.attach(pid);7 vm.loadAgent("libagent.so");8 vm.detach();9 }10}11import java.io.IOException;12import com.sun.tools.attach.*;13public class 5 {14 public static void main(String[] args) throws IOException, AttachNotSupportedException, AgentLoadException, AgentInitializationException {15 String pid = args[0];16 VirtualMachine vm = VirtualMachine.attach(pid);17 vm.loadAgent("libagent.so");18 vm.detach();19 }20}21import java.io.IOException;22import com.sun.tools.attach.*;23public class 6 {24 public static void main(String[] args) throws IOException, AttachNotSupportedException, AgentLoadException, AgentInitializationException {25 String pid = args[0];26 VirtualMachine vm = VirtualMachine.attach(pid);27 vm.loadAgent("libagent.so");28 vm.detach();29 }30}31import java.io.IOException;32import com.sun.tools.attach.*;33public class 7 {34 public static void main(String[] args) throws IOException, AttachNotSupportedException, AgentLoadException, AgentInitializationException {35 String pid = args[0];36 VirtualMachine vm = VirtualMachine.attach(pid);37 vm.loadAgent("libagent.so");38 vm.detach();39 }40}41import java.io.IOException;42import com.sun.tools.attach.*;43public class 8 {44 public static void main(String[] args) throws IOException, AttachNotSupportedException, AgentLoadException, AgentInitializationException {45 String pid = args[0];46 VirtualMachine vm = VirtualMachine.attach(pid);47 vm.loadAgent("libagent.so");48 vm.detach();49 }50}51import java.io.IOException;52import com.sun.tools.attach.*;53public class 9 {

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AgentLoadException

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1import com.sun.tools.attach.*;2import java.io.IOException;3import java.util.List;4public class 4 {5 public static void main(String[] args) throws IOException, AttachNotSupportedException, AgentLoadException {6 List<VirtualMachineDescriptor> vms = VirtualMachine.list();7 VirtualMachine vm = VirtualMachine.attach(vms.get(0));8 vm.loadAgent("C:\\Users\\Administrator\\Desktop\\agent.jar");9 }10}11 at sun.tools.attach.WindowsVirtualMachine.loadAgentLibrary(WindowsVirtualMachine.java:259)12 at sun.tools.attach.WindowsVirtualMachine.loadAgentPath(WindowsVirtualMachine.java:242)13 at sun.tools.attach.WindowsVirtualMachine.loadAgent(WindowsVirtualMachine.java:228)14 at sun.tools.attach.HotSpotVirtualMachine.loadAgent(HotSpotVirtualMachine.java:174)15 at 4.main(4.java:10)16AgentLoadException agentLoadException = new AgentLoadException("Agent library failed to init: instrument");17System.out.println(agentLoadException.getMessage());

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AgentLoadException

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1import com.sun.tools.attach.*;2import java.io.IOException;3import java.util.List;4public class 4 {5 public static void main(String[] args) throws AttachNotSupportedException, IOException {6 List<VirtualMachineDescriptor> vmlist = VirtualMachine.list();7 for (VirtualMachineDescriptor vmd : vmlist) {8 System.out.println(vmd.id() + " " + vmd.displayName());9 VirtualMachine vm = VirtualMachine.attach(vmd);10 try {11 vm.loadAgent("agent.jar");12 } catch (AgentLoadException e) {13 System.out.println(e.getMessage());14 System.out.println(e.getLocalizedMessage());15 System.out.println(e.getStackTrace());16 }17 }18 }19}

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AgentLoadException

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1import com.sun.tools.attach.*;2import java.io.IOException;3public class 4 {4public static void main(String[] args) throws IOException, AttachNotSupportedException, AgentLoadException {5VirtualMachine vm = VirtualMachine.attach("1234");6vm.loadAgent("C:\\Users\\Desktop\\agent.jar");7}8}9at com.sun.tools.attach.VirtualMachine.loadAgent(VirtualMachine.java:295)10at 4.main(4.java:9)

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AgentLoadException

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1import com.sun.tools.attach.*;2import java.io.IOException;3public class 4 {4 public static void main(String[] args) throws IOException, AttachNotSupportedException, AgentLoadException {5 VirtualMachine vm = VirtualMachine.attach("3232");6 vm.loadAgent("C:\\Users\\user\\Desktop\\agent\\agent.jar");7 vm.detach();8 }9}

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AgentLoadException

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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 try {6 vm.loadAgent("testAgent.jar");7 } catch (AgentLoadException e) {8 System.out.println("AgentLoadException caught");9 }10 }11}12import java.lang.instrument.Instrumentation;13public class testAgent {14 public static void premain(String agentArgs, Instrumentation inst) {15 System.out.println("Agent loaded");16 }17}18import com.sun.tools.attach.*;19public class 5 {20 public static void main(String args[]) throws Exception {21 VirtualMachine vm = VirtualMachine.attach("12345");22 try {23 vm.loadAgent("testAgent.jar");24 } catch (AgentInitializationException e) {25 System.out.println("AgentInitializationException caught");26 }27 }28}29import java.lang.instrument.Instrumentation;30public class testAgent {31 public static void premain(String agentArgs, Instrumentation inst) {32 System.out.println("Agent loaded");33 }34}35import com.sun.tools.attach.*;36public class 6 {37 public static void main(String args[]) throws Exception {38 VirtualMachine vm = VirtualMachine.attach("12345");39 vm.detach();40 System.out.println("Virtual machine detached");41 }42}43import com.sun.tools.attach.*;44public class 7 {45 public static void main(String args[]) throws Exception {46 VirtualMachine vm = VirtualMachine.attach("12345");47 vm.loadAgent("testAgent.jar");48 System.out.println("Agent loaded");49 }50}

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AgentLoadException

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1import java.io.IOException;2import java.lang.management.ManagementFactory;3import com.sun.tools.attach.*;4public class 4 {5 public static void main(String[] args) throws IOException {6 String pid = ManagementFactory.getRuntimeMXBean().getName().split("@")[0];7 System.out.println("PID of the current JVM: " + pid);8 VirtualMachine vm = VirtualMachine.attach(pid);9 try {10 vm.loadAgent("/home/agent.jar");11 } catch (AgentLoadException e) {12 System.out.println("Agent not loaded: " + e.getMessage());13 } catch (AgentInitializationException e) {14 System.out.println("Agent not initialized: " + e.getMessage());15 } catch (IOException e) {16 System.out.println("I/O error: " + e.getMessage());17 }18 }19}

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