Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

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

...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 {...

Source:AgentHookUtil.java

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     * æå®ä¸ä¸ª../xx.jarçä¸´æ¶æä»¶è·¯å¾ç¨äºagentçå è½½24     * @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}...

AgentLoadException

Using AI Code Generation

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);

AgentLoadException

Using AI Code Generation

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}

AgentLoadException

Using AI Code Generation

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 {

AgentLoadException

Using AI Code Generation

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());

AgentLoadException

Using AI Code Generation

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}

AgentLoadException

Using AI Code Generation

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)

AgentLoadException

Using AI Code Generation

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}

AgentLoadException

Using AI Code Generation

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}

AgentLoadException

Using AI Code Generation

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}

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.