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How do you handle if in production if you got OutOfMemory error?

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How do you handle if in production if you got OutOfMemory error?

OutOfMemoryError: PermGen space. As explained in the above paragraph this OutOfMemory error in java comes when the Permanent generation of heap is filled up. To fix this OutOfMemoryError in Java, you need to increase the heap size of the Perm space by using the JVM option “-XX: MaxPermSize”.

Can we catch out of memory error in Java?

OutOfMemoryError is a runtime error in Java which occurs when the Java Virtual Machine (JVM) is unable to allocate an object due to insufficient space in the Java heap. The Java Garbage Collector (GC) cannot free up the space required for a new object, which causes a java. lang. OutOfMemoryError .

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Can we catch out of memory exception?

It is possible to catch an OutOfMemoryError (It’s an Error , not an Exception ), but you should be aware, that there is no way to get a defined behaviour. You may even get another OutOfMemoryError while trying to catch it. So the better way is to create/use memory aware Caches.

What is JVM heap space?

The Java heap is the area of memory used to store objects instantiated by applications running on the JVM. Many users restrict the Java heap size to 2-8 GB in order to minimize garbage collection pauses.

Which of these could potentially throw an OutOfMemory error in Android?

Some of the common reason for Memory Leaks that results in OutOfMemoryError are: Use of Static view/context/activity. Register and unregister listeners. Non-Static inner class.

How do I fix Java heap space in Linux?

This message indicates that the Java heap size is not enough for the current usage. You can change the maximum heap size by increasing the “-Xmx” value in the file. Please restart your application server for the change to take effect.

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How do you fix a heap space error in Java?

What causes Java heap space error?

Cause: The detail message Java heap space indicates object could not be allocated in the Java heap. This error does not necessarily imply a memory leak. The problem can be as simple as a configuration issue, where the specified heap size (or the default size, if it is not specified) is insufficient for the application.

How increase JVM heap size in Linux?

  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.