I'm trying to get a Java heap dump out of a GKE container. First I connect to the container: kubectl debug -it my-pod --image adoptopenjdk/openjdk11:latest --target=my-container -- bash Then I run: ...

I am developing a client application in ASP.NET Core Web API and want to integrate JMAP functionality using Stalwart Mail Server. Specifically, I need guidance on: Establishing connectivity between my ...

$ jmap -heap 95320 Attaching to process ID 95320, please wait... Error attaching to process: sun.jvm.hotspot.debugger.DebuggerException: Can't attach to the process: ptrace(PTRACE_ATTACH, ..) failed ...

I'm trying to create and analyze a heap dump using Java Jmap. I learned how to do and concept through Google. jmap -dump:format=b,file=heapdump.hprof[pid] If the command at the top is executed, does ...

I have downloaded Java JDK 17 and I need to analyse a dump I did with the jmap command. I have searched about how to do it and jhat is apparently an already installed command that lets you analyse the ...

I have a simple java class "Tile" that declares 4 fields : two integers two objects (pointers) I'm trying to know what is the exact memory footprint of an instance of this class. Using the ...

When the JVM (OpenJDK 18) throws an OutOfMemoryError, I want to make sure it stops and we take a heap histogram using jmap. I achieve that with the flags -XX:-ExitOnOutOfMemoryError -XX:...

How can I install jmap on my docker container to get its heap dump once its deployed to AWS ECS as a container.I am using distroless as my base java image.Below is my dockerFile.I have managed to ...

I was trying to generate a heap dump by the script below. The jmap command works from the cmd. But it fails if I run by the script. Any idea why? #!/bin/bash # Check to ensure we're running as root. ...

macOS Monterey version is 12.5 and jdk version is 11 I was going with sudo jhsdb jmap --heap --pid xxxx to analyze java process. Then I got the error followed Password: Attaching to process ID 47413, ...

I'm tired to trying to dump java heap when I need it. Any time when I could do that none of utils are not able to do that. I'm trying jmap, jvisualvm, jconsole, jmc and none of them not able to do ...

I have an taken a core dump file from a machine, with file size 2GB. I can open this file with gdb and see the processes that were running when I took the core file. I want though to convert this file ...

I am trying to hunt the memory leak in Java Spring Boot app inside docker container. Heap size of the app is limited like this: java -XX:NativeMemoryTracking=summary -jar /app-0.1.jar -Xms256m -...

The specific exception information is as follows: root@test-6cf7db85b7-sxk8h:/# jmap 7 Attaching to process ID 7, please wait... ERROR: ptrace(PTRACE_ATTACH, ..) failed for 7: Operation not permitted ...

I have running tomcat (9.0.39.0) server, started by user cpappt and running with pid: 1682650. The machine on which this server runs is not bare metal but a VMware machine and the JVM is from OpenJ9 &...