heap-memory

I was creating the implementation of functional interface,below is my code Consumer<Integer> consumer=new Consumer<Integer>() { @Override public void accept(Integer t) { System.out.println(t); } }; As per javadoc A variable of a class type T can hold a null reference or a reference to an instance of class T or of any class that is a subclass of T. Here Object of anonymous object created,which is subclass of Consumer and can be refer by reference variable consumer ,which is Fine. But I saw Consumer is FunctionalInterface ,so I can also do something like this in java8- Using Lambda Consumer

I know that a __block variable will be moved to the heap from the stack if a Block accessing it was copied. But the following test code show me that the __block variable is moved to the heap before the Block's copying. That is, the four outputs are: stack => heap => heap => heap, which is not my expected result: stack => stack => stack => heap. Could someone straighten me out? __block int x = 0; int *pointerToX = &x; //1. It's on the stack NSLog(@"x's location is on the stack: %p", &x); int (^block)() = ^{ x += 1; return x; }; //2. I think its stack, but it's heap NSLog(@"x's location is on

this is in connection with this question java.lang.OutOfMemoryError at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method) i created the dump file in question.. and it gives following information One instance of "byte[]" loaded by "<system class loader>" occupies 1,10,59,216 (51.02%) bytes. The memory is accumulated in one instance of "byte[]" loaded by "<system class loader>". Keywords byte[] so now what can be done?? how do i clear the problem?? my list_objects[context]-inbound file CLASS NAME SHALLOW HEAP RETAINED HEAP byte[11059200] @ 0xb4979590 | 1,10,59,216 | 1,10,59,216

In my application i am using simple gallery and the coverflow both i have my coverflow image gallery on image clicked in coverflow i am redirected to next activity that contents full screen gallery and i can even scroll my fullscreen gallery ; but when i put more amount of image or high resolution images in my app it get force closed due to Bitmap size exceeds VM budget so i want to clear heap memory every time i finish my cover flow and gallery so i can load any amount or any resolution image in my app so if any one can help me out ... How to clear/empty heap memory every time when i finish

I am analysing a large project in Sonar and get the following error: [sonar:sonar] 03:55:39.511 INFO p.PhasesTimeProfiler - Execute decorators... BUILD FAILED [...] [...] java.lang.OutOfMemoryError: Java heap space at org.sonar.batch.index.MeasurePersister.model(MeasurePersister.java:127) at org.sonar.batch.index.MeasurePersister.getMeasuresToSave(MeasurePersister.java:117) at org.sonar.batch.index.MeasurePersister.dump(MeasurePersister.java:70) at org.sonar.batch.index.DefaultPersistenceManager.dump(DefaultPersistenceManager.java:63) at org.sonar.batch.phases.Phases.execute(Phases.java:95) at

Problem We are trying to find the culprit of a big memory leak in our web application. We have pretty limited experience with finding a memory leak, but we found out how to make a java heap dump using jmap and analyze it in Eclipse MAT. However, with our application using 56/60GB memory, the heap dump is only 16GB in size and is even less in Eclipse MAT. Context Our server uses Wildfly 8.2.0 on Ubuntu 14.04 for our java application, whose process uses 95% of the available memory. When making the dump, our buffers/cache used space was at 56GB. We used the following command to create the dump:

I am facing below OutOfMemor errors, and JMeter stops working.... java.lang.OutOfMemoryError: Java heap space Dumping heap to java_pid4412.hprof ... Heap dump file created [591747609 bytes in 71.244 secs] Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space How can it be resolved? My System is having very good