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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}

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