out-of-memory

问题 I'm developing web application in jsp/servlet,i had an issue with netbeans and Java. My program needs large data process. So I used -Xmx512m to increase the maximum heap size via Tools -> Servers -> on the Platform tab there is a VM option below Java Platform. Then it works fine.. Now my issue is i'm building the WAR file, directly deployed and run in my another machine Tomcat for demo, here i'm facing the same issue java out of memory error-heap space i also tried with environment variable

问题 I am trying to create a 2D array as below. int NUM_RECORDS = 100480507; byte[][] completeArray = new byte[NUM_RECORDS][6]; Shouldn't it be enough to have 100480507 * 6 ~= 0.6 GB See this question as well. But creation of this array runs out of memory. I have allocated 4G to my java process through JVM args. How can that be explained? I am I missing some thing trivial here? This is my program public class MemTest { public static void main(String[] args) { int NUM_RECORDS = 100480507; byte[][]

问题 I have read 100s of article about the OOM problem. Most are in regard to large bitmaps. I am doing a mapping application where we download 256x256 weather overlay tiles. Most are totally transparent and very small. I just got a crash on a bitmap stream that was 442 Bytes long while calling BitmapFactory.decodeByteArray(....). The Exception states: java.lang.OutOfMemoryError: bitmap size exceeds VM budget(Heap Size=9415KB, Allocated=5192KB, Bitmap Size=23671KB) The code is: protected Bitmap

问题 I have an asp.net-mvc site and recently I am getting an out of memory exceptions on my web server. I only have 1 application pool and we recent set IIS to recycle after it hits a certain limit. I went in the other day and saw 4 w3wp.exe processes running (each with ~1.8GB memory being used) I assume that during the recycle process, it's not killing the old worker process and eventually I get out of memory exceptions on my website because the box only has 8GB memory. I can add memory to the

问题 I have A and B activities. When I start activity B from activity A, I set static bitmap variable on activity B. I show that bitmap on the screen and rotate it. When activity B is finished, I recycle all bitmaps on onDestroy() method but memory usage is not decreasing. @Override protected void onDestroy() { super.onDestroy(); if (bitmap90 != null) { bitmap90.recycle(); bitmap90 = null; } if (bitmap180 != null) { bitmap180.recycle(); bitmap180 = null; } if (bitmap270 != null) { bitmap270

问题 URL url = new URL("http://pubapi.cryptsy.com/api.php?method=orderdatav2"); CryptsyCurrencyPairsReturn response = gson.fromJson(new InputStreamReader(url.openStream()), CryptsyCurrencyPairsReturn.class); This results in an OutOfMemoryException for some of my users on older Android devices. How can I parse this large response without running out of memory? 回答1: Parsing large data in one-go is always tricky and troublesome. However Gson comes with some nice features to support that too. You

问题 First time app starts correctly. Then I delete webapp/*.war file and paste new version of *.war. Jetty start deploying new war but error java.lang.OutOfMemoryError: PermGen space occurs. How can I configure Jetty to fix error / make correct redeploy? This solution doesn't help me. Jetty version: jetty-7.4.3.v20110701 回答1: There is probably no way to configure the problem away. Each JVM has one PermGen memory area that is used for class loading and static data. Whenever your application gets

问题 It looks like MemoryError: PermGen space java.lang.OutOfMemoryError: PermGen space is a common problem. You can Increase the size of your perm space, but after 100 or 200 redeploys it will be full. Tracking ClassLoader memory leaks is nearly impossible. What are your methods for Tomcat (or another simple servlet container - Jetty?) on production server? Is server restart after each deploy a solution? Do you use one Tomcat for many applications ? Maybe I should use many Jetty servers on

问题 My upload code as below: String end = "\r\n"; String twoHyphens = "--"; String boundary = "*****"; try { URL url = new URL(ActionUrl); HttpURLConnection con = (HttpURLConnection) url.openConnection(); con.setDoInput(true); con.setDoOutput(true); con.setUseCaches(false); con.setRequestMethod("POST"); con.setRequestProperty("Connection", "Keep-Alive"); con.setRequestProperty("Accept", "text/*"); con.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);

问题 I used ostermillerutils library to create base64 string but I get OutOfMemory error if the image is heavy. If the image I try to convert is a simple image, the code is working fine. public String createBase64String(InputStream in) { //collect = new ByteArrayOutputStream(); ByteArrayOutputStream bos = new ByteArrayOutputStream(); byte[] buf = new byte[1024]; try { for(int readNum; (readNum = in.read(buf)) != -1; ) { bos.write(buf, 0, readNum); } } catch (IOException ex) { Logger.getInstance()