Tomcat启动加载非常慢，求指导

[张亲松]

最近突然发现tomcat启动时非常慢，应用还没启动已经耗时40多秒，从日志中看，加粗部分耗时最严重，但不知道这段时间在做什么？求大神指导优化
五月 01, 2018 11:11:06 上午 org.apache.tomcat.util.digester.SetPropertiesRule begin
警告: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:sense-web' did not find a matching property.
五月 01, 2018 11:11:06 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Server version: Apache Tomcat/8.0.51
五月 01, 2018 11:11:06 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Server built: Apr 9 2018 21:20:15 UTC
五月 01, 2018 11:11:06 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Server number: 8.0.51.0
五月 01, 2018 11:11:06 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: OS Name: Windows 8.1
五月 01, 2018 11:11:06 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: OS Version: 6.3
五月 01, 2018 11:11:06 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Architecture: x86
五月 01, 2018 11:11:06 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Java Home: C:\Program Files\java\jdk1.7.0_60\jre
五月 01, 2018 11:11:06 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: JVM Version: 1.7.0_60-b19
五月 01, 2018 11:11:06 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: JVM Vendor: Oracle Corporation
五月 01, 2018 11:11:06 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: CATALINA_BASE: D:\Workspaces\MavenWorkspaces\.metadata\.plugins\org.eclipse.wst.server.core\tmp0
五月 01, 2018 11:11:06 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: CATALINA_HOME: E:\Tomcat\apache-tomcat-8.0.51
五月 01, 2018 11:11:06 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -agentlib:jdwp=transport=dt_socket,suspend=y,address=localhost:50065
五月 01, 2018 11:11:06 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Xms512m
五月 01, 2018 11:11:06 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Xmx512m
五月 01, 2018 11:11:06 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -XX:PermSize=256M
五月 01, 2018 11:11:06 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -XX:MaxPermSize=512M
五月 01, 2018 11:11:06 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dcatalina.base=D:\Workspaces\MavenWorkspaces\.metadata\.plugins\org.eclipse.wst.server.core\tmp0
五月 01, 2018 11:11:06 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dcatalina.home=E:\Tomcat\apache-tomcat-8.0.51
五月 01, 2018 11:11:06 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dwtp.deploy=D:\Workspaces\MavenWorkspaces\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps
五月 01, 2018 11:11:06 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Djava.endorsed.dirs=E:\Tomcat\apache-tomcat-8.0.51\endorsed
五月 01, 2018 11:11:06 上午 org.apache.catalina.startup.VersionLoggerListener log
信息: Command line argument: -Dfile.encoding=UTF-8
五月 01, 2018 11:11:06 上午 org.apache.catalina.core.AprLifecycleListener lifecycleEvent
信息: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\java\jdk1.7.0_60\bin;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\Program Files\java\jdk1.7.0_60\jre\bin;C:/Program Files/java/jdk1.8/bin/../jre/bin/client;C:/Program Files/java/jdk1.8/bin/../jre/bin;C:/Program Files/java/jdk1.8/bin/../jre/lib/i386;C:\Program Files (x86)\Common Files\NetSarang;D:\oracle\oracle11g\product\11.2.0\dbhome_1\bin;D:\oracle\product\10.2.0\client_1;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files\Intel\WiFi\bin\;C:\Program Files\Common Files\Intel\WirelessCommon\;C:\Program Files\java\jdk1.7.0_60\bin;C:\Program Files\TortoiseSVN\bin;C:\Program Files (x86)\MySQL\MySQL Server 5.1\bin;C:\Users\zhangqsg.DIGITALCHINA\AppData\Local\Microsoft\WindowsApps;C:\Program Files\java\ant-1.9.6\bin;C:\Program Files\java\apache-maven-3.5.0\bin;D:\Program Files\Fiddler2;D:\Program Files\eclipse;;.
五月 01, 2018 11:11:07 上午 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["http-nio-9001"]
五月 01, 2018 11:11:07 上午 org.apache.tomcat.util.net.NioSelectorPool getSharedSelector
信息: Using a shared selector for servlet write/read
五月 01, 2018 11:11:07 上午 org.apache.coyote.AbstractProtocol init
信息: Initializing ProtocolHandler ["ajp-nio-9009"]
五月 01, 2018 11:11:07 上午 org.apache.tomcat.util.net.NioSelectorPool getSharedSelector
信息: Using a shared selector for servlet write/read
五月 01, 2018 11:11:07 上午 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 1952 ms
五月 01, 2018 11:11:07 上午 org.apache.catalina.core.StandardService startInternal
信息: Starting service Catalina
五月 01, 2018 11:11:07 上午 org.apache.catalina.core.StandardEngine startInternal
信息: Starting Servlet Engine: Apache Tomcat/8.0.51
五月 01, 2018 11:11:09 上午 org.apache.catalina.util.SessionIdGeneratorBase createSecureRandom
警告: Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [996] milliseconds.
五月 01, 2018 11:11:51 上午 org.apache.jasper.servlet.TldScanner scanJars
信息: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
五月 01, 2018 11:11:51 上午 org.apache.catalina.core.ApplicationContext log
信息: No Spring WebApplicationInitializer types detected on classpath
五月 01, 2018 11:11:51 上午 org.apache.catalina.core.ApplicationContext log
信息: Set web app root system property: 'SmartSense' = [D:\Workspaces\MavenWorkspaces\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\sense-web\]
五月 01, 2018 11:11:52 上午 org.apache.catalina.core.ApplicationContext log
信息: Initializing log4j from [classpath:log4j.properties]
五月 01, 2018 11:11:52 上午 org.apache.catalina.core.ApplicationContext log
信息: Initializing Spring root WebApplicationContext