Table of Contents What is OutOfMemoryError: PermGen Space? Why Does OutOfMemoryError: PermGen Space Occur? How to Resolve OutOfMemoryError: PermGen Space? Increase the PermGen Space Size Analyze Class Loaders and Class Unloading Optimize Class Loading in Your Application Upgrade to Java 8 or Later Use a 64-bit JVM Minimize Third-Party Libraries Monitor and Profile JVM Memory Usage Preventing the OutOfMemoryError: PermGen Space Set Proper Heap Sizes Implement Garbage Collection (GC) Tuning Regularly Update Your Java Version Review Class Loader Management Conclusion Frequently Asked Questions (FAQs) Understanding the OutOfMemoryError: PermGen Space in Java Java, one of the most widely used programming languages in the world, offers excellent support for developing robust and high-performance applications. However, developers sometimes encounter errors that disrupt their code execution, and one such ...