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The list of perm-gen hosted data is a little fuzzy, but it generally contains things like class metadata, bytecode, interned strings, and so on (and this certainly varies across Hotspot versions). It is difficult to determine which part of memory was filled up, hence visualgc, as you may want to just change the part that is having a problem, rather than just Red balls and Rings Why do people move their cameras in a square motion? Make an ASCII bat fly around an ASCII moon How should I deal with a difficult group and a DM that doesn't help? http://rsmasters.net/java-heap/java-heap-stack-error.html

Select the run configuration for your program. share|improve this answer answered Oct 20 '09 at 17:09 sepp2k 226k27509541 add a comment| up vote 3 down vote Upto my knowledge, Heap space is occupied by instance variables only. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed How to know if a meal was cooked with or contains alcohol?

How To Increase Java Heap Space

Heap not only contains instance variables. If this is correct, then why this error occurred after running fine for sometime as space for instance variables are alloted at the time of object creation. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site (the association bonus does not count). This error does not necessarily imply a memory leak.

Can an umlaut be written as line (when writing by hand)? share|improve this answer answered Dec 22 '11 at 8:40 Swagatika 2,09252033 Thanks for answering –chetan Dec 22 '11 at 9:27 good answer, thanks –Onkar Janwa Jan 5 more hot questions question feed lang-java about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Java Heap Space Error Eclipse share|improve this answer answered Oct 20 '09 at 17:07 Yishai 57.7k16141217 add a comment| protected by Community♦ Jun 23 '15 at 13:01 Thank you for your interest in this question.

refer to http://wiki.eclipse.org/FAQ_How_do_I_increase_the_heap_size_available_to_Eclipse%3F share|improve this answer answered Dec 22 '11 at 8:13 Rajesh Pantula 4,55652447 That will not work; that only gives Eclipse itself more memory, not your own Java.lang.outofmemoryerror Java Heap Space Eclipse Try to retrieve a chunk of records first, process them, and iterate the process until you complete your processing. public class GetHeapSize { public static void main(String[] args) { long heapsize = Runtime.getRuntime().totalMemory(); System.out.println("heapsize is :: " + heapsize); } } then accordingly you can increase heap size also by share|improve this answer answered Dec 22 '11 at 8:37 Jasonw 4,23172437 add a comment| up vote 0 down vote I am not pro in Java but your problem can be solved

Two Circles Can Have At Most One Common Chord? (IMO) Buy function not working with solidity 0.4.2 When does bugfixing become overkill, if ever? Java.lang.outofmemoryerror Java Heap Space Solution Not the answer you're looking for? On a different note, use better Garbage collection algorithms ( CMS or G1GC) Have a look at this question for understanding G1GC share|improve this answer edited Sep 8 at 12:46 answered To determine where the memory leak may be you can use unit tests for that, by testing what was the memory before the test, and after, and if there is too

  • That means you are creating more objects in your application over a period of time continuously.
  • I don't know how your application is doing.
  • Is a connected set union limit point a connected set?
  • New objects will be stored in heap memory and that's the reason for growth in heap memory.
  • Yes.

Java.lang.outofmemoryerror Java Heap Space Eclipse

Look for producer-consumer if you are interested. I haven't looked at your code in detail, but it looks like you're storing a lot of data in a HashMap; more than fits in memory when you have a lot How To Increase Java Heap Space Where are sudo's insults stored? What Is Java Heap Space Why did Moody eat the school's sausages?

These objects life time may be short (method block) or long (till the object is referenced in your application) Is there any way to increase the heap space? check over here This question would be to hard to answer. share|improve this answer edited Mar 27 '14 at 11:02 Math 1,99531635 answered Mar 27 '14 at 10:38 sunil dhunde 1 add a comment| up vote 0 down vote In Eclipse goto more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed How To Solve Java.lang.outofmemoryerror Java Heap Space

why you need 500000 records in one shot. –Dead Programmer Dec 22 '11 at 9:14 In almost every case like this you are correct that the code needs to Join them; it only takes a minute: Sign up Increasing heap space in eclipse: (java.lang.OutOfMemoryError) up vote 32 down vote favorite 19 try{ // CompareRecord record = new CompareRecord(); Connection conn But In programming, one rule of normal life applies as well Prevention is better than cure. "Don't create unnecessary objects" share|improve this answer answered Oct 22 '09 at 17:28 DKSRathore 1,37341629 his comment is here Will they need replacement?

Because this generation is rarely or never collected, you may need to increase its size (or turn on perm-gen sweeping with a couple other flags). Java Lang Outofmemoryerror Java Heap Space Jboss asked 7 years ago viewed 230984 times active 1 month ago Blog Stack Overflow Podcast #91 - Can You Stump Nick Craver? share|improve this answer edited May 21 at 12:18 answered Oct 20 '09 at 17:08 Thomas Owens 58.2k77247395 I am using Netbeans but I don't know how to use profiler.

I will give 1G of RAM to the JVM.

So make sure that you don't keep references to objects that you no longer need. What changes should I made to my program so that It will grab less heap space? With a profiler, you can try to find where many objects are being created, when objects get garbage collected, and more. Java Heap Space Out Of Memory How to call "intellectual" jobs?

Your app need to remove the elements from your adddressMap as your app add new element into it and so you won't encounter oom if there are more records coming in. Are most Earth polar satellites launched to the South or to the North? Click on the tab "Arguments". weblink And why?

I would like to know more about the profiler so that I can use it to find memory leaks in my application. –Yatendra Goel Oct 20 '09 at 18:00