问题：启动tomcat9失败。
环境：jdk1.8.0 + tomcat9 + apr+ tomcat-native
日志：
02-Apr-2018 23:12:28.183 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server version: Apache Tomcat/9.0.6
02-Apr-2018 23:12:28.185 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server built: Mar 5 2018 09:34:35 UTC
02-Apr-2018 23:12:28.186 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server number: 9.0.6.0
02-Apr-2018 23:12:28.186 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log OS Name: Linux
02-Apr-2018 23:12:28.186 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log OS Version: 3.10.0-514.26.2.el7.x86_64
02-Apr-2018 23:12:28.186 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Architecture: amd64
02-Apr-2018 23:12:28.186 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Java Home: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.161-0.b14.el7_4.x86_64/jre
02-Apr-2018 23:12:28.186 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Version: 1.8.0_161-b14
02-Apr-2018 23:12:28.186 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Vendor: Oracle Corporation
02-Apr-2018 23:12:28.186 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_BASE: /usr/local/tomcat
02-Apr-2018 23:12:28.186 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_HOME: /usr/local/tomcat
02-Apr-2018 23:12:28.187 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.config.file=/usr/local/tomcat/conf/logging.properties
02-Apr-2018 23:12:28.187 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
02-Apr-2018 23:12:28.187 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djdk.tls.ephemeralDHKeySize=2048
02-Apr-2018 23:12:28.187 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.protocol.handler.pkgs=org.apache.catalina.webresources
02-Apr-2018 23:12:28.187 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dignore.endorsed.dirs=
02-Apr-2018 23:12:28.187 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.base=/usr/local/tomcat
02-Apr-2018 23:12:28.187 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.home=/usr/local/tomcat
02-Apr-2018 23:12:28.187 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.io.tmpdir=/usr/local/tomcat/temp
02-Apr-2018 23:12:28.187 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent Loaded APR based Apache Tomcat Native library [1.2.16] using APR version [1.6.3].
02-Apr-2018 23:12:28.187 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true].
02-Apr-2018 23:12:28.188 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR/OpenSSL configuration: useAprConnector [false], useOpenSSL [true]
02-Apr-2018 23:12:28.207 INFO [main] org.apache.catalina.core.AprLifecycleListener.initializeSSL OpenSSL successfully initialized [OpenSSL 1.0.2k-fips 26 Jan 2017]
02-Apr-2018 23:12:28.373 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-nio-8080"]
02-Apr-2018 23:12:28.397 INFO [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read
02-Apr-2018 23:12:28.416 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["ajp-nio-8009"]
02-Apr-2018 23:12:28.417 INFO [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read
02-Apr-2018 23:12:28.432 INFO [main] org.apache.catalina.startup.Catalina.load Initialization processed in 1040 ms
02-Apr-2018 23:12:28.467 INFO [main] org.apache.catalina.core.StandardService.startInternal Starting service [Catalina]
02-Apr-2018 23:12:28.483 INFO [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet Engine: Apache Tomcat/9.0.6
02-Apr-2018 23:12:28.499 INFO [main] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory [/usr/local/tomcat/webapps/docs]
之前有报找不到APR的错误，后来根据教程安装了apr,apr-util,tomcat-native后那个错误消失了，但是启动tomcat还是异常（无法正常关闭，无法访问），每次只能通过杀进程的方法关闭。
求大神解答！
