...
Code Block | ||
---|---|---|
| ||
/** Assuming the heap size as 512 MB (calculated as 1/4th of 2 GB RAM = 512 MB) * Considering long values being entered (64 bits each, the max number of elements * would be 512 MB/64bits = 67108864) */ public class ShowHeapError { Vector<Long> names = new Vector<Long>(); // Accepts unknown number of records long newID = 0L; int count = 67108865; int i = 0; InputStreamReader input = new InputStreamReader(System.in); Scanner reader = new Scanner(input); public void addNames() { try { do { // Adding unknown number of records to a list // The user can enter more IDs than the heap can support and thusas a result, // exhaust the heap. Assume that the record ID is a 64 bit long value System.out.print("Enter recordID (To quit, enter -1): "); newID = reader.nextLong(); names.addElement(newID); i++; } while (i < count || newID != -1); } finally { input.close(); } } public static void main(String[] args) { ShowHeapError demo = new ShowHeapError(); demo.addNames(); } } |
...
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="b45514c3c430ea3e-142f91fc-4d7a4279-831c86df-0bfacb746ef4dbd5a3b1bae5"><ac:plain-text-body><![CDATA[ | [ISO/IEC TR 24772:2010 | http://www.aitcnet.org/isai/] | "Resource Exhaustion [XZP]" | ]]></ac:plain-text-body></ac:structured-macro> |
CWE ID 400, "Uncontrolled Resource Consumption ('Resource Exhaustion')" | ||||
| CWE ID 770, "Allocation of Resources Without Limits or Throttling" |
...
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="eece3a51e4056afa-e1d4f8e0-4a234098-9dbcb4c4-04b152dd70ae3662220950e0"><ac:plain-text-body><![CDATA[ | [[Sun 2006 | AA. Bibliography#Sun 06]] | [Garbage Collection Ergonomics | http://java.sun.com/javase/6/docs/technotes/guides/vm/gc-ergonomics.html ], "Default values for the Initial and Maximum heap size" | ]]></ac:plain-text-body></ac:structured-macro> |
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="793f987a8d60b532-549720c0-4b5c4c2a-8a53b8df-fa38bb25d2637e4ccee572f9"><ac:plain-text-body><![CDATA[ | [[Java 2006 | AA. Bibliography#Java 06]] | [java - the Java application launcher | http://java.sun.com/javase/6/docs/technotes/tools/windows/java.html ], "Syntax for increasing the heap size" | ]]></ac:plain-text-body></ac:structured-macro> |
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="0717058cee3a93a7-4548d4c6-485e4824-a585a4e2-f9a869357e2badb247729251"><ac:plain-text-body><![CDATA[ | [[Sun 2003 | AA. Bibliography#Sun 03]] | Chapter 5: Tuning the Java Runtime System, [Tuning the Java Heap | http://docs.sun.com/source/817-2180-10/pt_chap5.html#wp57027] | ]]></ac:plain-text-body></ac:structured-macro> |
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="653685c9d5a721c8-ffc7f001-48e94535-a181b69a-0ee8effee053470f413d8779"><ac:plain-text-body><![CDATA[ | [[API 2006 | AA. Bibliography#API 06]] | Class ObjectInputStream and ObjectOutputStream | ]]></ac:plain-text-body></ac:structured-macro> | |
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="ad4cd8a6dd34ef2b-af07a7c9-4ec642b2-81819a54-0f2b6b2951a35b56799dfbe6"><ac:plain-text-body><![CDATA[ | [[SDN 2008 | AA. Bibliography#SDN 08]] | [Serialization FAQ | http://java.sun.com/javase/technologies/core/basic/serializationFAQ.jsp] | ]]></ac:plain-text-body></ac:structured-macro> |
...