KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use dumpHeap method of sun.tools.attach.HotSpotVirtualMachine class

Best Powermock code snippet using sun.tools.attach.HotSpotVirtualMachine.dumpHeap

Source:VmUtils.java

...30		} finally {31			virtualMachine.detach();32		}33	}34	public static String dumpHeap(int pid, Object... args) throws Exception {35		HotSpotVirtualMachine virtualMachine = (HotSpotVirtualMachine) VirtualMachine.attach(String.valueOf(pid));36		try {37			InputStream ins = virtualMachine.dumpHeap(ArrayUtils.isNotEmpty(args) ? args : new Object[0]);38			return IOUtils.toString(ins, Charset.defaultCharset());39		} finally {40			virtualMachine.detach();41		}42	}43	public static void main(String[] args) throws Exception {44		System.out.println(dumpHeap(15664, "-permstat"));45	}46}...

Source:TestThreadDump.java

...34			// jstack35			InputStream ins = vm.remoteDataDump("-1");36			dumpStream(ins);37			// jmap -dump38			ins = vm.dumpHeap("stack.dmp");39			dumpStream(ins);40		} catch (Exception e) {41			System.err.println("attach failed");42		} finally {43			try {44				if (vm != null) {45					vm.detach();46				}47			} catch (Exception e) {48			}49		}50	}51}...

Source:DumpReceiver.java

...23            HotSpotVirtualMachine hsvm = (HotSpotVirtualMachine) vm;24            try {25                String currentDir = System.getProperty("user.dir");26                File file = new File(currentDir, "spectre-output/" + args[2]);27                hsvm.dumpHeap(file.getAbsolutePath());28                System.out.println("filepath: " + file.getAbsolutePath());29            } catch (IOException e) {30                log.error("", e);31            }32        }33        return null;34    }35}...

dumpHeap

Using AI Code Generation

1import java.io.IOException;2import sun.tools.attach.*;3public class 4 {4    public static void main(String[] args) throws IOException {5        HotSpotVirtualMachine vm = (HotSpotVirtualMachine) VirtualMachine.attach("pid");6        vm.dumpHeap("heap.bin", false);7    }8}9import java.io.IOException;10import sun.tools.attach.*;11public class 5 {12    public static void main(String[] args) throws IOException {13        HotSpotVirtualMachine vm = (HotSpotVirtualMachine) VirtualMachine.attach("pid");14        vm.dumpHeap("heap.bin", true);15    }16}17import java.io.IOException;18import sun.tools.attach.*;19public class 6 {20    public static void main(String[] args) throws IOException {21        HotSpotVirtualMachine vm = (HotSpotVirtualMachine) VirtualMachine.attach("pid");22        vm.dumpHeap("heap.bin", false);23    }24}25import java.io.IOException;26import sun.tools.attach.*;27public class 7 {28    public static void main(String[] args) throws IOException {29        HotSpotVirtualMachine vm = (HotSpotVirtualMachine) VirtualMachine.attach("pid");30        vm.dumpHeap("heap.bin", true);31    }32}33import java.io.IOException;34import sun.tools.attach.*;35public class 8 {36    public static void main(String[] args) throws IOException {37        HotSpotVirtualMachine vm = (HotSpotVirtualMachine) VirtualMachine.attach("pid");38        vm.dumpHeap("heap.bin", false);39    }40}41import java.io.IOException;42import sun.tools.attach.*;43public class 9 {44    public static void main(String[] args) throws IOException {45        HotSpotVirtualMachine vm = (HotSpotVirtualMachine) VirtualMachine.attach("pid");46        vm.dumpHeap("heap.bin", true);47    }48}

dumpHeap

Using AI Code Generation

1import java.io.IOException;2import java.lang.management.ManagementFactory;3import java.lang.management.RuntimeMXBean;4import java.lang.reflect.Field;5import java.lang.reflect.Method;6import java.util.List;7import java.util.Properties;8import com.sun.tools.attach.VirtualMachine;9public class 4 {10public static void main(String[] args) throws Exception {11RuntimeMXBean runtimeBean = ManagementFactory.getRuntimeMXBean();12Field jvm = runtimeBean.getClass().getDeclaredField("jvm");13jvm.setAccessible(true);14sun.management.VMManagement mgmt = (sun.management.VMManagement) jvm.get(runtimeBean);15Method pid_method = mgmt.getClass().getDeclaredMethod("getProcessId");16pid_method.setAccessible(true);17int pid = (Integer) pid_method.invoke(mgmt);18VirtualMachine vm = VirtualMachine.attach(String.valueOf(pid));19Properties props = vm.getSystemProperties();20String javaHome = props.getProperty("java.home");21String jmapPath = javaHome + "/bin/jmap";22String heapDumpFile = "heapDumpFile.hprof";23vm.executeJMap(jmapPath, "-dump:format=b,file=" + heapDumpFile);24vm.detach();25}26}

dumpHeap

Using AI Code Generation

1import java.io.*;2import java.lang.management.*;3import java.util.*;4import sun.tools.attach.*;5import com.sun.tools.attach.*;6public class 4 {7    public static void main(String[] args) throws Exception {8        String pid = "12345";9        HotSpotVirtualMachine vm = (HotSpotVirtualMachine)VirtualMachine.attach(pid);10        vm.dumpHeap("c:\\heapdump.hprof", true);11        vm.detach();12    }13}14import java.io.*;15import java.lang.management.*;16import java.util.*;17import sun.tools.attach.*;18import com.sun.tools.attach.*;19public class 5 {20    public static void main(String[] args) throws Exception {21        String pid = "12345";22        HotSpotVirtualMachine vm = (HotSpotVirtualMachine)VirtualMachine.attach(pid);23        vm.dumpHeap("c:\\heapdump.hprof", true);24        vm.detach();25    }26}27import java.io.*;28import java.lang.management.*;29import java.util.*;30import sun.tools.attach.*;31import com.sun.tools.attach.*;32public class 6 {33    public static void main(String[] args) throws Exception {34        String pid = "12345";35        HotSpotVirtualMachine vm = (HotSpotVirtualMachine)VirtualMachine.attach(pid);36        vm.dumpHeap("c:\\heapdump.hprof", true);37        vm.detach();38    }39}40import java.io.*;41import java.lang.management.*;42import java.util.*;43import sun.tools.attach.*;44import com.sun.tools.attach.*;45public class 7 {46    public static void main(String[] args) throws Exception {47        String pid = "12345";48        HotSpotVirtualMachine vm = (HotSpotVirtualMachine)VirtualMachine.attach(pid);49        vm.dumpHeap("c:\\heapdump.hprof", true);50        vm.detach();51    }52}53import java.io.*;54import java.lang.management.*;55import java.util.*;56import sun.tools.attach.*;57import com.sun.tools.attach.*;58public class 8 {59    public static void main(String[] args) throws Exception {

dumpHeap

Using AI Code Generation

1import com.sun.tools.attach.*;2import java.io.*;3import java.util.*;4public class 4 {5    public static void main(String[] args) throws Exception {6        String pid = "1234";7        String filename = "heap.bin";8        HotSpotVirtualMachine vm = (HotSpotVirtualMachine) VirtualMachine.attach(pid);9        vm.dumpHeap(filename);10    }11}12import com.sun.tools.attach.*;13import java.io.*;14import java.util.*;15public class 5 {16    public static void main(String[] args) throws Exception {17        String pid = "1234";18        String filename = "heap.bin";19        HotSpotVirtualMachine vm = (HotSpotVirtualMachine) VirtualMachine.attach(pid);20        vm.dumpHeap(filename);21    }22}23import com.sun.tools.attach.*;24import java.io.*;25import java.util.*;26public class 6 {27    public static void main(String[] args) throws Exception {28        String pid = "1234";29        String filename = "heap.bin";30        HotSpotVirtualMachine vm = (HotSpotVirtualMachine) VirtualMachine.attach(pid);31        vm.dumpHeap(filename);32    }33}34import com.sun.tools.attach.*;35import java.io.*;36import java.util.*;37public class 7 {38    public static void main(String[] args) throws Exception {39        String pid = "1234";40        String filename = "heap.bin";41        HotSpotVirtualMachine vm = (HotSpotVirtualMachine) VirtualMachine.attach(pid);42        vm.dumpHeap(filename);43    }44}45import com.sun.tools.attach.*;46import java.io.*;47import java.util.*;48public class 8 {49    public static void main(String[] args) throws Exception {50        String pid = "1234";51        String filename = "heap.bin";52        HotSpotVirtualMachine vm = (HotSpot

dumpHeap

Using AI Code Generation

1import sun.tools.attach.*;2import com.sun.tools.attach.*;3import java.io.*;4import java.util.*;5public class 4 {6    public static void main(String args[]) {7        try {8            String pid = args[0];9            VirtualMachine vm = VirtualMachine.attach(pid);10            String dumpfile = "heapdump.hprof";11            vm.dumpHeap(dumpfile);12            vm.detach();13        } catch (Exception e) {14            e.printStackTrace();15        }16    }17}

dumpHeap

Using AI Code Generation

1import java.io.*;2import com.sun.tools.attach.*;3public class 4 {4    public static void main(String[] args) throws Exception {5        String pid = args[0];6        String fileName = args[1];7        HotSpotVirtualMachine vm = (HotSpotVirtualMachine)VirtualMachine.attach(pid);8        vm.dumpHeap(fileName, true);9        vm.detach();10    }11}12import java.io.*;13import java.util.*;14import com.sun.tools.attach.*;15public class 5 {16    public static void main(String[] args) throws Exception {17        String pid = args[0];18        HotSpotVirtualMachine vm = (HotSpotVirtualMachine)VirtualMachine.attach(pid);19        Properties props = vm.getSystemProperties();20        props.list(System.out);21        vm.detach();22    }23}

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.