How to get a thread and heap dump of a Java process on Windows that’s not running in a console
I have a Java application that I run from a console which in turn executes an another Java process. I want to get … Read more
I have a Java application that I run from a console which in turn executes an another Java process. I want to get … Read more
It says here that -Xss is used to “set thread stack size”, what does it mean exactly? Could anyone help me understand this? … Read more
I upgraded to the latest Java 7u40 on MacOS X and started getting the following message on the console when launching my application … Read more
What is the difference between a thread’s context class loader and a normal class loader? That is, if Thread.currentThread().getContextClassLoader() and getClass().getClassLoader() return different … Read more
Specifically, why would it help to fix a PermGen OutOfMemoryError issue? Also, bonus points for an answer that points me to the documentation … Read more
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, … Read more
I am getting the following exception repeatedly each time I try to run the program. Error occurred during initialization of VM Could not … Read more
I’m trying to understand What the concepts of young, old and permanent generations are in the Java heap terminology, and more specifically the … Read more
Many times, a Java app needs to connect to the Internet. The most common example happens when it is reading an XML file … Read more
What is the difference between JVM, JDK, JRE & OpenJDK? I was programming in Java and I encountered these phrases, what are the … Read more