Eventually the application or the system runs out of memory, and the application terminates abnormally. In other words, virtual memory is being allocated but is not being returned when it is no longer needed. If your application's execution time becomes longer and longer, or if the operating system seems to be performing slower and slower, this could be an indication of a memory leak. Summary of Tools in This Release Chapter 3 Troubleshooting Memory Leaks Environment Variables and System Propertiesĭ. Integrating Signal and Exception HandlingĪ. Troubleshooting Hanging or Looping ProcessesĦ. Out of swap space?ģ.3 Diagnosing Leaks in Java Language Codeģ.3.3.4 -XX:+HeapDumpOnOutOfMemoryError Command-line Optionģ.3.4 Obtaining a Heap Histogram on a Running Processģ.3.5 Obtaining a Heap Histogram at OutOfMemoryErrorģ.3.6 Monitoring the Number of Objects Pending Finalizationģ.4.1 Tracking All Memory Allocation and Free Callsģ.4.2 Tracking Memory Allocation in a JNI Libraryģ.4.3 Tracking Memory Allocation With OS Supportĥ. 3.1.3 Detail Message: Requested array size exceeds VM limitģ.1.4 Detail Message: request bytes for.
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