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Tag: out-of-memory

How can we simulate OutOfMemory: Metaspace?

I have a task to simulate OutOfMemory: Metaspace error intentionally. I tried different ways, but none gave me needed result. Can someone share good example for this purpose? My first attempt (using javassist): and settings in gradle.properties file: org.gradle.jvmargs=-XX:MaxMetaspaceSize=70M but I’ve got an error: Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread “main” which I couldn’t catch. My second attempt:

Using Spring data JPA EntityGraph with LAZY load mode for NamedAttributeNode field

I am facing with 2 problems: N + 1 query and Out Of Memory (OOM). I solved OOM by paging and lazy loading: But when I use lazy loading, N + 1 query happened. So I try to use EntityGraph as https://www.baeldung.com/spring-data-jpa-named-entity-graphs. But as my researches and local test, EntityGraph always do eager loading for NamedAttributeNode field – association field,

Increase the java heap space of a certain app

I have an application that I want to run it and gives it more heap memory. I run my application using this command in terminal: home/bin/hadoop jar $pathofjarfile parameter1 parameter2 but I don’t know how to allocate more heap memory when running this application? if anyone could please advise. Answer The easiest method to increase the heap space is using

java, OutOfMemoryError: Java heap space

This class is designed to determine the language of a text; the user has to enter 4 text in english, danish, italian and latin, and then the text whose language he wants to determine. The console says I use eclipse, in Run Configurations – Arguments I wrote -Xms2g-Xmx3g. I don’t understand where is the problem. The code is Answer This

PageOutputStream causing java.lang.OutOfMemory

We have a struts2 web application running in Tomcat 7 that is intermittently experiencing the same problem: Application operating perfectly normally After a variable amount of time (anywhere from 10 minutes to 7 days) the application slows down to a halt Multiple java.lang.OutOfMemory errors in catalina.out Linux free -m shows all physical and swap memory is used up (even though

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