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Read : OutOfMemoryError in java
1) Exception in thread threadName - java.lang.OutOfMemoryError: “request size bytes for reason. Out of swap space” in java
OutOfMemoryError: “request size bytes for reason. Out of swap space” indicates that allocation from the native heap failed.
2) What does “request size bytes for reason. Out of swap space” indicates in java?
It indicates the size (in bytes) of the request that failed and the reason for the memory request.
Usually the reason is the name of the source module reporting the allocation failure, although sometimes it is the actual reason.
3) What happens in OutOfMemoryError: “request size bytes for reason. Out of swap space” in java?
When OutOfMemoryError: “request size bytes for reason. Out of swap space” happens the
- JVM generates a error log file which contains information about the
- threads,
- processess,
- system state at the time of the crash.
4) How to analyze OutOfMemoryError: “request size bytes for reason. Out of swap space” in java?
You can analyze above information, heap memory and memory map to find out reason for OutOfMemoryError: “request size bytes for reason. Out of swap space”.
You can also use different OS (operating system) tools to analyze OutOfMemoryError: “request size bytes for reason. Out of swap space”.
Must read Related : How to monitor and analyze the garbage collection in 10 ways in java and Detecting and fixing memory leak in java
5) Summary -
So in this tutorial we learned how to solve Exception in thread threadName - java.lang.OutOfMemoryError: “request size bytes for reason. Out of swap space” in java.
This OutOfMemoryError indicates that allocation from the native heap failed.
What happens in OutOfMemoryError >
- JVM generates a error log file which contains information about the
- threads,
- processess,
- system state at the time of the crash.
4) How to analyze OutOfMemoryError: “request size bytes for reason. Out of swap space” in java - See tools to analyze.
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