How to increase heap size of Eclipse - Solving OutOfMemoryError

If you are running lots of Java projects in Eclipse and it's throwing OutOfMemoryError every now and then it's time to increase the heap memory of Eclipse. Since Eclipse is a Java program, you can increase heap size of Eclipse by using JVM memory options -Xms and -Xmx. There are two ways to provide JVM options to eclipse either updating Eclipse shortcut or adding -vmargs on eclipse.ini file. I prefer the second option because it's clean. I'll tell you the exact steps to increase the java heap space in Eclipse but before that some background why I had to increase heap memory of Eclipse. I was getting "an internal error occurred during repository search . java heap space" while using Maven in Eclipse. Eclipse keep throwing java.lang.OutOfMemory:Java Heap Space while updating the index or searching for maven artifacts.
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