Solves all OutOfMemoryError problems. There are 8 flavors of java.lang.OutOfMemoryError.
Is your JVM experiencing Repeated Full GCs? Are you wondering what might have caused it? Are you struggling to fix it? Then you are reading right article.
The article discusses an unexpected memory leak caused by Java's ThreadPoolExecutor, resulting in "java.lang.OutOfMemoryError." Despite local variable scoping, worker threads persist in memory after job execution. The solution is to invoke the "shutdown()" method, which releases the threads, preventing continuous memory consumption during repeated method calls.
The application connecting to Apache Cassandra via the DataStax Java driver encountered a java.lang.OutOfMemoryError due to an excessive number of runnable threads, mainly from the netty library. The issue arose when Cassandra ran out of space. Allocating more space resolved the error, highlighting the need for application resilience.
The document discusses the various types of OutOfMemoryErrors, detailing their distinct causes and corresponding fixes, all summarized on one page. The author appreciates the document's aesthetic appeal and suggests it can be printed as a decorative and functional item for an office space.
In this article, we will see how to analyze a heap dump in detail using ‘jhat’ tool. It’s easier to explain Heap analysis process with an example Memory leak program.