不知道为什么eclipse只支持8.0版本,所以可以按照如下办法解决。
找到自己的tomcat8安装目录--->lib--->catalina.jar(打开)--->org--->apache--->catalina--->util--->ServerInfo.properties
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.
server.info=Apache Tomcat/8.5.28(修改为8.0.0)
server.number=8.5.28.0
server.built=Feb 6 2018 23:10:25 UTC