weblogic后台报错，请高手指教具体是什么原因

####<2018-9-7 下午03时16分17秒 GMT+08:00> <Info> <Health> <IRS-weblogic1> <app> <weblogic.GCMonitor> <<anonymous>> <> <> <1536304577712> <BEA-310002> <87% of the total memory in the server is free>
####<2018-9-7 下午03时17分16秒 GMT+08:00> <Warning> <RMI> <IRS-weblogic1> <app> <[ACTIVE] ExecuteThread: '0' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <> <1536304636939> <BEA-080003> <RuntimeException thrown by rmi server: javax.management.remote.rmi.RMIConnectionImpl.getAttributes(Ljavax.management.ObjectName;[Ljava.lang.String;Ljavax.security.auth.Subject;)
javax.management.RuntimeErrorException: java.lang.UnsatisfiedLinkError: com.sun.management.UnixOperatingSystem.getProcessCpuLoad()D.
javax.management.RuntimeErrorException: java.lang.UnsatisfiedLinkError: com.sun.management.UnixOperatingSystem.getProcessCpuLoad()D
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.rethrow(DefaultMBeanServerInterceptor.java:841)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttributes(DefaultMBeanServerInterceptor.java:711)
at com.sun.jmx.mbeanserver.JmxMBeanServer.getAttributes(JmxMBeanServer.java:705)
at weblogic.management.jmx.mbeanserver.WLSMBeanServer.getAttributes(WLSMBeanServer.java:290)
at weblogic.management.mbeanservers.internal.JMXConnectorSubjectForwarder$6$1.run(JMXConnectorSubjectForwarder.java:382)
at weblogic.management.mbeanservers.internal.JMXConnectorSubjectForwarder$6$1.run(JMXConnectorSubjectForwarder.java:380)
at java.security.AccessController.doPrivileged(Native Method)
at weblogic.management.mbeanservers.internal.JMXConnectorSubjectForwarder$6.run(JMXConnectorSubjectForwarder.java:380)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
at weblogic.management.mbeanservers.internal.JMXConnectorSubjectForwarder.getAttributes(JMXConnectorSubjectForwarder.java:375)
at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468)
at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:97)
at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1328)
at java.security.AccessController.doPrivileged(Native Method)
at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1427)
at javax.management.remote.rmi.RMIConnectionImpl.getAttributes(RMIConnectionImpl.java:693)
at javax.management.remote.rmi.RMIConnectionImpl_WLSkel.invoke(Unknown Source)
at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:667)
at weblogic.rmi.internal.BasicServerRef$1.run(BasicServerRef.java:522)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:146)
at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:518)
at weblogic.rmi.internal.wls.WLSExecuteRequest.run(WLSExecuteRequest.java:118)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:263)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)
Caused By: java.lang.UnsatisfiedLinkError: com.sun.management.UnixOperatingSystem.getProcessCpuLoad()D
at com.sun.management.UnixOperatingSystem.getProcessCpuLoad(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:75)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:279)
at com.sun.jmx.mbeanserver.ConvertingMethod.invokeWithOpenReturn(ConvertingMethod.java:193)
at com.sun.jmx.mbeanserver.ConvertingMethod.invokeWithOpenReturn(ConvertingMethod.java:175)
at com.sun.jmx.mbeanserver.MXBeanIntrospector.invokeM2(MXBeanIntrospector.java:117)
at com.sun.jmx.mbeanserver.MXBeanIntrospector.invokeM2(MXBeanIntrospector.java:54)
at com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:237)
at com.sun.jmx.mbeanserver.PerInterface.getAttribute(PerInterface.java:83)
at com.sun.jmx.mbeanserver.MBeanSupport.getAttribute(MBeanSupport.java:206)
at com.sun.jmx.mbeanserver.MBeanSupport.getAttributes(MBeanSupport.java:213)
at javax.management.StandardMBean.getAttributes(StandardMBean.java:390)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttributes(DefaultMBeanServerInterceptor.java:709)
at com.sun.jmx.mbeanserver.JmxMBeanServer.getAttributes(JmxMBeanServer.java:705)
at weblogic.management.jmx.mbeanserver.WLSMBeanServer.getAttributes(WLSMBeanServer.java:290)
at weblogic.management.mbeanservers.internal.JMXConnectorSubjectForwarder$6$1.run(JMXConnectorSubjectForwarder.java:382)
at weblogic.management.mbeanservers.internal.JMXConnectorSubjectForwarder$6$1.run(JMXConnectorSubjectForwarder.java:380)
at java.security.AccessController.doPrivileged(Native Method)
at weblogic.management.mbeanservers.internal.JMXConnectorSubjectForwarder$6.run(JMXConnectorSubjectForwarder.java:380)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
at weblogic.management.mbeanservers.internal.JMXConnectorSubjectForwarder.getAttributes(JMXConnectorSubjectForwarder.java:375)
at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468)
at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:97)
at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1328)
at java.security.AccessController.doPrivileged(Native Method)
at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1427)
at javax.management.remote.rmi.RMIConnectionImpl.getAttributes(RMIConnectionImpl.java:693)
at javax.management.remote.rmi.RMIConnectionImpl_WLSkel.invoke(Unknown Source)
at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:667)
at weblogic.rmi.internal.BasicServerRef$1.run(BasicServerRef.java:522)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:146)
at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:518)
at weblogic.rmi.internal.wls.WLSExecuteRequest.run(WLSExecuteRequest.java:118)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:263)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)
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