KelvinChi opened a new issue #6106:
URL: https://github.com/apache/dolphinscheduler/issues/6106
**I run DS on:**
CentOS Linux release 7.8.2003 (Core)
DS Version: 1.3.1
**Below is the log I got:**
```log
[WARN] 2021-09-02 09:00:03.068
org.apache.dolphinscheduler.server.master.dispatch.host.LowerWeightHostManager:[159]
- load is too high or availablePhysicalMemorySize(G) is too low, it's
availablePhysicalMemorySize(G):6.54,loadAvg:15.36
[WARN] 2021-09-02 09:00:08.071
org.apache.dolphinscheduler.server.master.dispatch.host.LowerWeightHostManager:[159]
- load is too high or availablePhysicalMemorySize(G) is too low, it's
availablePhysicalMemorySize(G):6.54,loadAvg:15.36
[ERROR] 2021-09-02 09:00:09.467
org.apache.dolphinscheduler.server.registry.HeartBeatTask:[81] - error write
heartbeat info
java.lang.NoClassDefFoundError: Could not initialize class
oshi.jna.platform.linux.Libc
at
oshi.hardware.platform.linux.LinuxCentralProcessor.getSystemLoadAverage(LinuxCentralProcessor.java:191)
at
oshi.hardware.common.AbstractCentralProcessor.getSystemLoadAverage(AbstractCentralProcessor.java:449)
at
org.apache.dolphinscheduler.common.utils.OSUtils.loadAverage(OSUtils.java:114)
at
org.apache.dolphinscheduler.server.registry.HeartBeatTask.run(HeartBeatTask.java:57)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
```
**Descripbe:**
All scheduling task fail instantaneously!
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