I'm currently using HP Fortify tool to scan for security vulnerabilities in a project. At the time of scanning Fortify's CLI allows build tools to integrate into its CLI commands so as to build and...

We're using Wildfly 11 with Java 8 on Amazon Linux. We recently installed jstack to troubleshoot a high CPU utilization issue as we're trying to figure out what code is causing the CPU to spin. Fir...

I'm trying to run jstack on ubuntu in mixed mode: $ jstack -m 7219 The result is this exception: Attaching to process ID 7219, please wait... Debugger attached successfully. Server compiler ...

I am running Ubuntu server edition and I wanted to take a thread dump of Tomcat. So, I first tried to find out which PID tomcat uses: $ jps -l 5809 sun.tools.jps.Jps But it's not there? So, I ...

I need to get a stack trace for a JVM process running on a client machine that uses windows. The client has the JRE installed but not the JDK. I want to use JStack but it is not installed and we...

I want to get the thread dump of my web app that running on a jboss server. I found two solutions for my problem : Using the unix command : kill -3 Using the jstack tool that exists in the JDK...

I have a Tomcat running as a Windows Service, and those are known not to work well with jstack. jconsole is working well, on the other hand, and I can see stacks of individual threads (I'm connecti...

I can use jps to list running java processes and use jstack -l process_id to get a stack information of a running java process. I want to know this process runs on which java version. Is there a wa...

We use jstack on servers to detect if java apps are getting deadlocked. It's not working on one of our Linux servers. I think O/S version is: $cat /etc/issue.net Red Hat Enterprise Linux Server re...

Thread 10296: (state = IN_NATIVE) - sun.nio.ch.Net.connect0(boolean, java.io.FileDescriptor, java.net.InetAddress, int) @bci=0 (Interpreted frame) - sun.nio.ch.Net.connect(java.net.ProtocolFamil...

On Windows 7, I try to get a stack trace from a Java process by executing the command jstack.exe -F xxx from another Java process, where xxx is the PID of the target process. I'm getting the ...

I am surprised to discover that somehow, recently, jstack stopped working on newer JDK 8. I am not sure around which release this happened but I do get: 36649: Unable to open socket file: target p...

I'm having difficulties in understanding the thread dump I got from jstack for a Spring MVC web application running on Tomcat 6 (java 1.6.0_22, Linux). I see blocking threads (that cause other thr...

I am really confused about: In my windows 2008r2, I have a windows service, in fact it's a java progress running as SYSTEM user. Now, I use Jstack rawly to the the service. But it occur error : ...

I intend to use thread priorities within my Java code. The application shall run on my Linux system: >uname -a Linux <host> 3.0.0-15-generic #26-Ubuntu SMP <date> x86_64 x86_64 x86_6...

I have a java process loading a lot of data from a bunch of .csv files into a Neo4j database using the BatchInserter. I was using: OpenJDK 7 Ubuntu 12.04 Neo4j 2.0 M3 After loading the first 16...

Is it necessary to run jstack -F as root (on linux) and if so why? When trying to jstack -F my own processes I get the following error. Error attaching to process: sun.jvm.hotspot.debugger.Debugg...

Is any version of Sun JDK or Open JDK available to be installed on cygwin. Reason I am looking for this option is: There are many tools (e.g. jStack, jMap) which are available in unix versions of ...

I have a Gui application in swing that prints a ticket on a serial thermal printer. When i hit the button that launch this action, my GUI is frozen. I think that's because the code is executed on t...

I am trying to diagnose a problem where a Java web application I'm using (Jenkins) becomes unresponsive. If I run jstack without the -F flag it doesn't give me anything, but if I put the flag in to...

I'm trying to run jstack command on my java application. Application is rather big, running inside jboss AS occupying about 4gb of memory. OS is Windows Server 2003 Standard edition. Every time i g...

I'm considering whipping up a script to run once a minute (or every five minutes) run jstack against a running JVM in production parse the jstack output and tally up things I'm interested in exp...

On my busiest production installation, on occasion I get a single thread that seems to get stuck in an infinite loop. I've not managed to figure out who is the culprit, after much research and debu...

I see in JConsole that I still have 2 non daemon threads but I can't find out which exactly (total number of thread is beyond 30). Visual VM doesn't provide such information.

using jstack i got an tree of threads running. What is the meaning of the folowing Thread.State's: WAITING TIMED_WAITING RUNNABLE What means the tid and nid? The title of an Thread is like ...