tomcat启动加载spring配置文件时报错，找不到类GetBooksRequest，经排查实际上该类已经存在。后来发现日志里还有一句： This is very likely to create a memory leak，怀疑内存不足，看了下环境，起了不少tomcat进程，杀掉几个再重启tomcat，这次就拉起来了。
具体catalina.out里的报错日志如下：
09-May-2017 10:47:31.668 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server version: Apache Tomcat/8.5.13 09-May-2017 10:47:31.670 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server built: Mar 27 2017 14:25:04 UTC 09-May-2017 10:47:31.671 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server number: 8.5.13.0 09-May-2017 10:47:31.671 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log OS Name: Linux 09-May-2017 10:47:31.671 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log OS Version: 3.10.0-327.36.3.el7.x86_64 09-May-2017 10:47:31.671 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Architecture: amd64 09-May-2017 10:47:31.671 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Java Home: /usr/jdk1.8.0_102/jre 09-May-2017 10:47:31.672 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Version: 1.8.0_102-b14 09-May-2017 10:47:31.672 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Vendor: Oracle Corporation 09-May-2017 10:47:31.672 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_BASE: /home/msuser/apache-tomcat-8.5.13 09-May-2017 10:47:31.672 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_HOME: /home/msuser/apache-tomcat-8.5.13 09-May-2017 10:47:31.673 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.config.file=/home/msuser/apache-tomcat-8.5.13/conf/logging.properties 09-May-2017 10:47:31.673 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager 09-May-2017 10:47:31.673 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djdk.tls.ephemeralDHKeySize=2048 09-May-2017 10:47:31.673 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.protocol.handler.pkgs=org.apache.catalina.webresources 09-May-2017 10:47:31.673 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.base=/home/msuser/apache-tomcat-8.5.13 09-May-2017 10:47:31.673 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.home=/home/msuser/apache-tomcat-8.5.13 09-May-2017 10:47:31.674 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.io.tmpdir=/home/msuser/apache-tomcat-8.5.13/temp 09-May-2017 10:47:31.674 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: /usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib 09-May-2017 10:47:31.866 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-nio-9090"] 09-May-2017 10:47:31.887 INFO [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read 09-May-2017 10:47:31.890 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["ajp-nio-8009"] 09-May-2017 10:47:31.893 INFO [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read 09-May-2017 10:47:31.894 INFO [main] org.apache.catalina.startup.Catalina.load Initialization processed in 795 ms 09-May-2017 10:47:31.925 INFO [main] org.apache.catalina.core.StandardService.startInternal Starting service Catalina 09-May-2017 10:47:31.925 INFO [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet Engine: Apache Tomcat/8.5.13 09-May-2017 10:47:35.511 INFO [localhost-startStop-1] org.apache.jasper.servlet.TldScanner.scanJars 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. 09-May-2017 10:47:36.136 INFO [localhost-startStop-1] org.springframework.web.context.ContextLoader.initWebApplicationContext Root WebApplicationContext: initialization started 09-May-2017 10:47:36.289 INFO [localhost-startStop-1] org.springframework.web.context.support.XmlWebApplicationContext.prepareRefresh Refreshing Root WebApplicationContext: startup date [Tue May 09 10:47:36 CST 2017]; root of context hierarchy 09-May-2017 10:47:36.361 INFO [localhost-startStop-1] org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions Loading XML bean definitions from ServletContext resource [/WEB-INF/spring-core.xml] 09-May-2017 10:47:36.693 INFO [localhost-startStop-1] org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions Loading XML bean definitions from ServletContext resource [/WEB-INF/registry.xml] 09-May-2017 10:47:36.736 INFO [localhost-startStop-1] org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions Loading XML bean definitions from ServletContext resource [/WEB-INF/application.xml] 09-May-2017 10:47:36.763 INFO [localhost-startStop-1] org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions Loading XML bean definitions from ServletContext resource [/WEB-INF/microservice.xml] 09-May-2017 10:47:36.979 INFO [localhost-startStop-1] org.springframework.beans.factory.config.PropertyPlaceholderConfigurer.loadProperties Loading properties file from class path resource [global.properties] 09-May-2017 10:47:38.380 SEVERE [localhost-startStop-1] org.springframework.web.context.ContextLoader.initWebApplicationContext Context initialization failed java.lang.NoClassDefFoundError: GetBooksRequest at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) at java.lang.Class.getDeclaredMethods(Class.java:1975) at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:613) at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:524) at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:510) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.determineCandidateConstructors(AutowiredAnnotationBeanPostProcessor.java:241) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineConstructorsFromBeanPostProcessors(AbstractAutowireCapableBeanFactory.java:1073) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1046) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:512) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:778) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:843) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:541) at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:444) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:326) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4745) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5207) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1419) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1409) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.ClassNotFoundException: GetBooksRequest at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1285) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1119) ... 30 more 09-May-2017 10:47:38.383 SEVERE [localhost-startStop-1] org.apache.catalina.core.StandardContext.startInternal One or more listeners failed to start. Full details will be found in the appropriate container log file 09-May-2017 10:47:39.410 INFO [localhost-startStop-1] org.apache.catalina.util.SessionIdGeneratorBase.createSecureRandom Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [1,026] milliseconds. 09-May-2017 10:47:39.410 SEVERE [localhost-startStop-1] org.apache.catalina.core.StandardContext.startInternal Context [] startup failed due to previous errors 09-May-2017 10:47:39.417 INFO [localhost-startStop-1] org.springframework.web.context.support.XmlWebApplicationContext.doClose Closing Root WebApplicationContext: startup date [Tue May 09 10:47:36 CST 2017]; root of context hierarchy 09-May-2017 10:47:39.430 WARNING [localhost-startStop-1] org.springframework.web.context.support.XmlWebApplicationContext.doClose Exception thrown from LifecycleProcessor on context close java.lang.IllegalStateException: LifecycleProcessor not initialized - call 'refresh' before invoking lifecycle methods via the context: Root WebApplicationContext: startup date [Tue May 09 10:47:36 CST 2017]; root of context hierarchy at org.springframework.context.support.AbstractApplicationContext.getLifecycleProcessor(AbstractApplicationContext.java:416) at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:979) at org.springframework.context.support.AbstractApplicationContext.close(AbstractApplicationContext.java:938) at org.springframework.web.context.ContextLoader.closeWebApplicationContext(ContextLoader.java:581) at org.springframework.web.context.ContextLoaderListener.contextDestroyed(ContextLoaderListener.java:116) at org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:4792) at org.apache.catalina.core.StandardContext.stopInternal(StandardContext.java:5429) at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:226) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1419) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1409) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) 09-May-2017 10:47:39.443 WARNING [localhost-startStop-1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [pool-2-thread-1] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: sun.misc.Unsafe.park(Native Method) java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039) java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088) java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809) java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067) java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127) java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) java.lang.Thread.run(Thread.java:745) 09-May-2017 10:47:39.444 WARNING [localhost-startStop-1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [pool-2-thread-2] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: sun.misc.Unsafe.park(Native Method) java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078) java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093) java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809) java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1067) java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1127) java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) java.lang.Thread.run(Thread.java:745) 09-May-2017 10:47:39.444 WARNING [localhost-startStop-1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [nioEventLoopGroup-2-1] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62) io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:732) io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:388) io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144) java.lang.Thread.run(Thread.java:745) 09-May-2017 10:47:39.445 WARNING [localhost-startStop-1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [nioEventLoopGroup-2-2] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62) io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:732) io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:388) io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144) java.lang.Thread.run(Thread.java:745) 09-May-2017 10:47:39.446 WARNING [localhost-startStop-1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [threadDeathWatcher-3-1] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Thread.sleep(Native Method) io.netty.util.ThreadDeathWatcher$Watcher.run(ThreadDeathWatcher.java:152) io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144) java.lang.Thread.run(Thread.java:745) 09-May-2017 10:47:39.447 WARNING [localhost-startStop-1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [nioEventLoopGroup-2-3] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62) io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:732) io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:388) io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144) java.lang.Thread.run(Thread.java:745) 09-May-2017 10:47:39.448 WARNING [localhost-startStop-1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [Thread-5] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: java.lang.Object.wait(Native Method) java.lang.Object.wait(Object.java:502) io.netty.util.concurrent.DefaultPromise.awaitUninterruptibly(DefaultPromise.java:254) mousio.client.promises.ResponsePromise.waitForPromiseSuccess(ResponsePromise.java:189) mousio.etcd4j.promises.EtcdResponsePromise.get(EtcdResponsePromise.java:58) cn.migu.millet.backend.etcd.EtcdWatcher.invoke(EtcdWatcher.java:94) cn.migu.millet.backend.etcd.EtcdWatcher.watch(EtcdWatcher.java:118) cn.migu.millet.backend.etcd.EtcdWatcher$1.run(EtcdWatcher.java:46) java.lang.Thread.run(Thread.java:745) 09-May-2017 10:47:39.448 WARNING [localhost-startStop-1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [ROOT] appears to have started a thread named [nioEventLoopGroup-2-4] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread: sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62) io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:732) io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:388) io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144) java.lang.Thread.run(Thread.java:745) 09-May-2017 10:47:39.449 SEVERE [localhost-startStop-1] org.apache.catalina.loader.WebappClassLoaderBase.checkThreadLocalMapForLeaks The web application [ROOT] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@6ee22153]) and a value of type [io.netty.util.internal.InternalThreadLocalMap] (value [io.netty.util.internal.InternalThreadLocalMap@1f0b76b]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak. 09-May-2017 10:47:39.450 SEVERE [localhost-startStop-1] org.apache.catalina.loader.WebappClassLoaderBase.checkThreadLocalMapForLeaks The web application [ROOT] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@6ee22153]) and a value of type [io.netty.util.internal.InternalThreadLocalMap] (value [io.netty.util.internal.InternalThreadLocalMap@7035edbb]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak. 09-May-2017 10:47:39.451 SEVERE [localhost-startStop-1] org.apache.catalina.loader.WebappClassLoaderBase.checkThreadLocalMapForLeaks The web application [ROOT] created a ThreadLocal with key of type [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@6ee22153]) and a value of type [io.netty.util.internal.InternalThreadLocalMap] (value [io.netty.util.internal.InternalThreadLocalMap@6d2ad0f3]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak. 09-May-2017 10:47:39.462 WARNING [localhost-startStop-1] org.apache.catalina.core.StandardContext.setPath A context path must either be an empty string or start with a '/' and do not end with a '/'. The path [/] does not meet these criteria and has been changed to [] 09-May-2017 10:47:39.463 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployWAR Deploying web application archive /home/msuser/apache-tomcat-8.5.13/webapps/pilingservice.war 09-May-2017 10:47:39.467 INFO [localhost-startStop-1] org.apache.catalina.startup.ExpandWar.expand An expanded directory [/home/msuser/apache-tomcat-8.5.13/webapps/pilingservice] was found with a last modified time that did not match the associated WAR. It will be deleted. 09-May-2017 10:47:43.586 INFO [localhost-startStop-1] org.springframework.web.context.ContextLoader.initWebApplicationContext Root WebApplicationContext: initialization started 09-May-2017 10:47:43.716 INFO [localhost-startStop-1] org.springframework.web.context.support.XmlWebApplicationContext.prepareRefresh Refreshing Root WebApplicationContext: startup date [Tue May 09 10:47:43 CST 2017]; root of context hierarchy 09-May-2017 10:47:43.777 INFO [localhost-startStop-1] org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions Loading XML bean definitions from ServletContext resource [/WEB-INF/spring-core.xml] 09-May-2017 10:47:43.891 INFO [localhost-startStop-1] org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions Loading XML bean definitions from ServletContext resource [/WEB-INF/registry.xml] 09-May-2017 10:47:43.918 INFO [localhost-startStop-1] org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions Loading XML bean definitions from ServletContext resource [/WEB-INF/application.xml] 09-May-2017 10:47:43.937 INFO [localhost-startStop-1] org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions Loading XML bean definitions from ServletContext resource [/WEB-INF/microservice.xml] 09-May-2017 10:47:44.129 INFO [localhost-startStop-1] org.springframework.beans.factory.config.PropertyPlaceholderConfigurer.loadProperties Loading properties file from class path resource [global.properties] 09-May-2017 10:47:44.934 INFO [nioEventLoopGroup-2-4] org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading Illegal access: this web application instance has been stopped already. Could not load [io.netty.handler.codec.http.LastHttpContent$1]. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access. java.lang.IllegalStateException: Illegal access: this web application instance has been stopped already. Could not load [io.netty.handler.codec.http.LastHttpContent$1]. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access. at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading(WebappClassLoaderBase.java:1305) at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForClassLoading(WebappClassLoaderBase.java:1293) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1158) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1119) at io.netty.handler.codec.http.LastHttpContent.<clinit>(LastHttpContent.java:30) at io.netty.handler.codec.http.HttpObjectDecoder.readTrailingHeaders(HttpObjectDecoder.java:677) at io.netty.handler.codec.http.HttpObjectDecoder.decode(HttpObjectDecoder.java:370) at io.netty.handler.codec.http.HttpClientCodec$Decoder.decode(HttpClientCodec.java:180) at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:411) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:248) at io.netty.channel.CombinedChannelDuplexHandler.channelRead(CombinedChannelDuplexHandler.java:253) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:134) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:624) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:559) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:476) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:438) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144) at java.lang.Thread.run(Thread.java:745) 09-May-2017 10:47:45.331 INFO [localhost-startStop-1] org.springframework.web.context.ContextLoader.initWebApplicationContext Root WebApplicationContext: initialization completed in 1745 ms 09-May-2017 10:47:45.362 INFO [localhost-startStop-1] org.springframework.web.servlet.DispatcherServlet.initServletBean FrameworkServlet 'service-dispatcher': initialization started 09-May-2017 10:47:45.368 INFO [localhost-startStop-1] org.springframework.web.context.support.XmlWebApplicationContext.prepareRefresh Refreshing WebApplicationContext for namespace 'service-dispatcher-servlet': startup date [Tue May 09 10:47:45 CST 2017]; parent: Root WebApplicationContext 09-May-2017 10:47:45.369 INFO [localhost-startStop-1] org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions Loading XML bean definitions from ServletContext resource [/WEB-INF/spring-mvc.xml] 09-May-2017 10:47:45.734 INFO [localhost-startStop-1] org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.register Mapped "{[/{service}/{method}],methods=[GET || POST]}" onto public void cn.migu.sample.controller.CompoundController.invoke(java.lang.String,java.lang.String,javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse) 09-May-2017 10:47:45.739 INFO [localhost-startStop-1] org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.register Mapped "{[/],methods=[GET],produces=[application/json;charset=UTF-8]}" onto public java.util.Collection<java.lang.String> cn.migu.sample.controller.StatusController.home() 09-May-2017 10:47:45.739 INFO [localhost-startStop-1] org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.register Mapped "{[/{service}],methods=[GET],produces=[application/json;charset=UTF-8]}" onto public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, cn.migu.sample.controller.StatusController$MethodDesc>> cn.migu.sample.controller.StatusController.list(java.lang.String) 09-May-2017 10:47:45.740 INFO [localhost-startStop-1] org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping.register Mapped "{[/status],methods=[GET],produces=[application/json;charset=UTF-8]}" onto public java.lang.String cn.migu.sample.controller.StatusController.status() 09-May-2017 10:47:45.893 INFO [localhost-startStop-1] org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.initControllerAdviceCache Looking for @ControllerAdvice: WebApplicationContext for namespace 'service-dispatcher-servlet': startup date [Tue May 09 10:47:45 CST 2017]; parent: Root WebApplicationContext 09-May-2017 10:47:45.964 INFO [localhost-startStop-1] org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.initControllerAdviceCache Looking for @ControllerAdvice: WebApplicationContext for namespace 'service-dispatcher-servlet': startup date [Tue May 09 10:47:45 CST 2017]; parent: Root WebApplicationContext 09-May-2017 10:47:46.076 INFO [localhost-startStop-1] org.springframework.web.servlet.DispatcherServlet.initServletBean FrameworkServlet 'service-dispatcher': initialization completed in 714 ms 09-May-2017 10:47:46.090 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployWAR Deployment of web application archive /home/msuser/apache-tomcat-8.5.13/webapps/pilingservice.war has finished in 6,627 ms 09-May-2017 10:47:46.091 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory /home/msuser/apache-tomcat-8.5.13/webapps/docs 09-May-2017 10:47:46.107 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory /home/msuser/apache-tomcat-8.5.13/webapps/docs has finished in 16 ms 09-May-2017 10:47:46.108 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory /home/msuser/apache-tomcat-8.5.13/webapps/examples 09-May-2017 10:47:46.326 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory /home/msuser/apache-tomcat-8.5.13/webapps/examples has finished in 218 ms 09-May-2017 10:47:46.326 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory /home/msuser/apache-tomcat-8.5.13/webapps/host-manager 09-May-2017 10:47:46.355 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory /home/msuser/apache-tomcat-8.5.13/webapps/host-manager has finished in 29 ms 09-May-2017 10:47:46.355 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory /home/msuser/apache-tomcat-8.5.13/webapps/manager 09-May-2017 10:47:46.380 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory /home/msuser/apache-tomcat-8.5.13/webapps/manager has finished in 25 ms 09-May-2017 10:47:46.396 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio-9090"] 09-May-2017 10:47:46.407 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["ajp-nio-8009"] 09-May-2017 10:47:46.413 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in 14519 ms