Yarn集群公平调度配置完成之后为什么再次打开8088端口号的web监控页面时候会出现500异常

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上图为yarn集群web监控页面的异常信息
yarn-site.xml配置文件如下:

<?xml version="1.0"?>
<!--
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License. See accompanying LICENSE file.
-->
<configuration>
<property>
        <name>yarn.nodemanager.aux-services</name>
        <value>mapreduce_shuffle</value>
    </property>

 <property>
   <name>yarn.resourcemanager.ha.enabled</name>
   <value>true</value>
 </property>

 <property>
   <name>yarn.resourcemanager.cluster-id</name>
   <value>cluster1</value>
 </property>

 <property>
   <name>yarn.resourcemanager.ha.rm-ids</name>
   <value>rm1,rm2</value>
 </property>

 <property>
   <name>yarn.resourcemanager.hostname.rm1</name>
   <value>ha4</value>
 </property>
 <property>
   <name>yarn.resourcemanager.hostname.rm2</name>
   <value>sp1</value>
 </property>
<property>
    <name>yarn.resourcemanager.webapp.address.rm1</name>
    <value>ha4:8088</value>
</property>
<property>
    <name>yarn.resourcemanager.webapp.address.rm2</name>
    <value>sp1:8088</value>
</property>
<property>
    <name>yarn.nodemanager.pmem-check-enabled</name>
    <value>false</value>
</property>

<property>
    <name>yarn.nodemanager.vmem-check-enabled</name>
    <value>false</value>
</property>
 <property>
   <name>yarn.resourcemanager.zk-address</name>
   <value>ha1:2181,ha2:2181,ha4:2181</value>
 </property>
<property>
   <name>yarn.scheduler.minimum-allocation-mb</name>
   <value>1024</value>
 </property>
<property>
   <name>yarn.scheduler.maximum-allocation-mb</name>
   <value>8192</value>
</property>
<property>
   <name>yarn.scheduler.minimum-allocation-vcores</name>
   <value>1</value>
</property>
<property>
   <name>yarn.scheduler.maximum-allocation-vcores</name>
   <value>40</value>
</property>
<property>
   <name>yarn.resourcemanager.am.max-attempts</name>
   <value>3</value>
</property>

<property>
    <name>yarn.resourcemanager.scheduler.class</name>
    <value>org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler</value>
</property>

<!-- FairScheduler -->
<property>
    <name>yarn.resourcemanager.scheduler.class</name>
    <value>org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler</value>
</property>
<property>
    <name>yarn.scheduler.fair.allocation.file</name>
    <value>/home/hadoop/storage/software/hadoop-2.7.4/etc/hadoop/fair-scheduler.xml</value>
</property>
<property>
    <name>yarn.scheduler.fair.user-as-default-queue</name>
    <value>true</value>
</property>
<property>
    <name>yarn.scheduler.fair.preemption</name>
    <value>false</value>
</property>
<property>
    <name>yarn.scheduler.fair.assignmultiple</name>
    <value>false</value>
</property>
<property>
    <name>yarn.scheduler.fair.sizebaseweight</name>
    <value>true</value>
</property>

</configuration>

fair-scheduler.xml配置信息如下:

<?xml version="1.0"?>
<allocations>
  <queue name="queueA">
    <minResources>1000 mb, 4 vcores</minResources>
    <maxResources>5000 mb, 30 vcores</maxResources>
    <maxRunningApps>100</maxRunningApps>
    <minSharePreemptionTimeout>300</minSharePreemptionTimeout>
    <weight>2.0</weight>
    <queue name="queueB">
       <minResources>1000 mb, 4 vcores</minResources>
       <maxResources>5000 mb, 15 vcores</maxResources>
    </queue>
    <queue name="queueC">
      <minResources>1000 mb, 4 vcores</minResources>
      <maxResources>5000 mb, 15 vcores</maxResources>
    </queue>
  </queue>
  <user name="hadoop">
    <maxRunningApps>40</maxRunningApps>
  </user>
  <userMaxAppsDefault>10</userMaxAppsDefault>
  <fairSharePreemptionTimeout>6000</fairSharePreemptionTimeout>
</allocations>

mapred-site.xml配置信息如下:

<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<!--
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License. See accompanying LICENSE file.
-->

<!-- Put site-specific property overrides in this file. -->

<configuration>
<property>
   <name>mapreduce.framework.name</name>
   <value>yarn</value>
</property>
<property>
    <name>mapreduce.jobhistory.address</name>
    <value>172.30.142.54:10020</value>
</property>
<property>
  <name>mapred.child.java.opts</name>
  <value>-Xmx1024m</value>
</property>
</configuration>

Hadoop版本 2.7.4;Spark版本2.2.0
错误信息显示的是无法找到那个方法,但是我把class文件反编译了过来之后确实存在该方法
跪求大神帮忙!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!