10部署一直出现404 怎么解决

jdk1.8 + tomcat8.35 ,路径没有问题，

12-Dec-2018 11:29:26.220 严重 [localhost-startStop-1] org.apache.catalina.core.ContainerBase.addChildInternal ContainerBase.addChild: start:

org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/webroot]]

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:167)

at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:754)

at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:730)

at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734)

at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1140)

at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1875)

at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)

at java.util.concurrent.FutureTask.run(FutureTask.java:262)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)

at java.lang.Thread.run(Thread.java:745)

Caused by: java.lang.UnsupportedClassVersionError: com/sun/tools/attach/VirtualMachine : Unsupported major.minor version 52.0

at java.lang.ClassLoader.defineClass1(Native Method)

at java.lang.ClassLoader.defineClass(ClassLoader.java:800)

at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)

at java.net.URLClassLoader.access$100(URLClassLoader.java:71)

at java.net.URLClassLoader$1.run(URLClassLoader.java:361)

at java.net.URLClassLoader$1.run(URLClassLoader.java:355)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(URLClassLoader.java:354)

at java.lang.ClassLoader.loadClass(ClassLoader.java:425)

at java.lang.ClassLoader.loadClass(ClassLoader.java:358)

at java.lang.Class.forName0(Native Method)

at java.lang.Class.forName(Class.java:274)

at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1314)

at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1156)

at java.lang.Class.forName0(Native Method)

at java.lang.Class.forName(Class.java:191)

at com.fr.jvm.assist.FineAssist.findVirtualMachine(Unknown Source)

at com.fr.jvm.assist.FineAssist.

at com.fr.runtime.FineRuntime.

at com.fr.startup.FineWebApplicationStartup.

at com.fr.startup.FineWebApplicationInitializer.onStartup(Unknown Source)

at com.fr.third.springframework.web.SpringServletContainerInitializer.onStartup(SpringServletContainerInitializer.java:175)

at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5245)

at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)

... 10 more

12-Dec-2018 11:29:26.222 严重 [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Error deploying web application directory [C:\Users\Administrator\Desktop\apache-tomcat-8.5.35\webapps\webroot]

java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/webroot]]

at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:758)