内存堆转储快照分析
public class HeapOOM {
static class OOMObject {
}
public static void main(String[] args) {
List<OOMObject> list = new ArrayList<OOMObject>();
while (true) {
list.add(new OOMObject());
}
}
}
// java.lang.OutOfMemoryError: Java heap space
// Dumping heap to java_pid5754.hprof ...
// Heap dump file created [27574983 bytes in 0.185 secs]
执行java -Xms20m -Xmx20m -XX:+HeapDumpOnOutOfMemoryError HeapOOM 生成快照文件。
