diff --git a/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/OSUtils.java b/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/OSUtils.java index 133d9931af..c5fd7cd02d 100644 --- a/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/OSUtils.java +++ b/dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/OSUtils.java @@ -26,6 +26,9 @@ import oshi.hardware.CentralProcessor; import oshi.hardware.GlobalMemory; import oshi.hardware.HardwareAbstractionLayer; +import org.apache.commons.configuration.Configuration; + +import java.lang.management.OperatingSystemMXBean; import java.io.BufferedReader; import java.io.FileInputStream; import java.io.IOException; @@ -52,6 +55,12 @@ public class OSUtils { private static final SystemInfo SI = new SystemInfo(); public static final String TWO_DECIMAL = "0.00"; + /** + * return -1 when the function can not get hardware env info + * e.g {@link OSUtils#loadAverage()} {@link OSUtils#cpuUsage()} + */ + public static final double NEGATIVE_ONE = -1; + private static HardwareAbstractionLayer hal = SI.getHardware(); private OSUtils() {} @@ -110,8 +119,17 @@ public class OSUtils { * @return load average */ public static double loadAverage() { - double loadAverage = hal.getProcessor().getSystemLoadAverage(); - + double loadAverage; + try { + OperatingSystemMXBean osBean = ManagementFactory.getPlatformMXBean(OperatingSystemMXBean.class); + loadAverage = osBean.getSystemLoadAverage(); + } catch (Exception e) { + logger.error("get operation system load average exception, try another method ", e); + loadAverage = hal.getProcessor().getSystemLoadAverage(); + if (Double.isNaN(loadAverage)) { + return NEGATIVE_ONE; + } + } DecimalFormat df = new DecimalFormat(TWO_DECIMAL); df.setRoundingMode(RoundingMode.HALF_UP);