How do I fix Java heap space in IntelliJ?

How do I fix Java heap space in IntelliJ?

From the main menu, select Help | Change Memory Settings. Set the necessary amount of memory that you want to allocate and click Save and Restart.

How do I fix Java Lang OutOfMemoryError PermGen space?

To fix it, increase the PermGen memory settings by using the following Java VM options. -XX:PermSize – Set initial PermGen Size. -XX:MaxPermSize – Set the maximum PermGen Size. In the next step, we will show you how to set the VM options in Tomcat, under Windows and Linux environment.

What causes PermGen space error?

The OutOfMemoryError: PermGen Space error occurs when the permanent generation heap is full. Although this error can occur in normal circumstances, usually, this error is caused by a memory leak.

Why is IntelliJ using so much memory?

I have a Macbook Pro with M1 processor, and it extremely laggy, when I open a Java class, it takes a couple of seconds to load. Sometimes it is using up to 6-7 GB of RAM. It makes it virtually impossible to write any code or to run any application….intelliJ is extremely slow, uses way too much memory (even 7GB)

Project IntelliJ IDEA
Included in builds Not specified

How do I add more Java heap space?

  1. Log in to the Application Server Administration Server.
  2. Navigate to the JVM options.
  3. Edit the -Xmx256m option.
  4. This option sets the JVM heap size.
  5. Set the -Xmx256m option to a higher value, such as Xmx1024m.
  6. Save the new setting.

What is Java Lang OutOfMemoryError PermGen space?

lang. OutOfMemoryError: PermGen Space is a runtime error in Java which occurs when the permanent generation (PermGen) area in memory is exhausted. The PermGen area of the Java heap is used to store metadata such as class declarations, methods and object arrays.

How do I increase PermGen space in Jboss?


  1. Edit bin\standalone.conf.bat.
  2. Change the MaxPermSize as per your requirement and save the file: set “JAVA_OPTS=-Xms64M -Xmx512M -XX:MaxPermSize=256M”
  3. Restart Jboss.

What is PermGen space?

PermGen (Permanent Generation) is a special heap space separated from the main memory heap. Additionally, the JVM stores all the static content in this memory section. This includes all the static methods, primitive variables, and references to the static objects.

What is PermGen size?

The default size of PermGen memory is 64 MB on 32-bit JVM and 82 MB on the 64-bit version.

Can IntelliJ run on 4gb RAM?

2 GB RAM minimum, 4 GB RAM recommended. 1.5 hard disk space + at least 1 GB for caches.