似乎自从我们将tomcat升级到版本8后,我们就会在启动时获得上下文重新加载.然而,它似乎只发生在我们的开发环境中(带有eclipse和tomcat 8.5的Windows操作系统).我们的生产环境(带有tomcat 8.5的linux OS)没有这个问题.我发布在下面,但我没有看到任何迹象表明为什么这是从tomcat日志发生的事情.我知道这通常会改变网络应用程序目录中的某些行为,但对于我的生活,我无法弄清楚是做什么的.必须有一些方法来追踪它.
这第一块日志是完全启动的
Feb 18,2017 9:53:41 AM org.apache.tomcat.util.digester.SetPropertiesRule begin
WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property ‘source’ to ‘org.eclipse.jst.jee.server:Stackoverflow-commproxy’ did not find a matching property.
Feb 18,2017 9:53:41 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server version: Apache Tomcat/8.5.11
Feb 18,2017 9:53:41 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server built: Jan 10 2017 21:02:52 UTC
Feb 18,2017 9:53:41 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server number: 8.5.11.0
Feb 18,2017 9:53:41 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: OS Name: Windows 10
Feb 18,2017 9:53:41 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: OS Version: 10.0
Feb 18,2017 9:53:41 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Architecture: amd64
Feb 18,2017 9:53:41 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Java Home: C:Program FilesJavajdk1.8.0_91jre
Feb 18,2017 9:53:41 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: JVM Version: 1.8.0_91-b14
Feb 18,2017 9:53:41 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: JVM Vendor: Oracle Corporation
Feb 18,2017 9:53:41 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: CATALINA_BASE: C:CodeReposworkEclipseWorkspace.metadata.pluginsorg.eclipse.wst.server.coretmp0
Feb 18,2017 9:53:41 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: CATALINA_HOME: C:tomcatapache-tomcat-8.5.11
Feb 18,2017 9:53:41 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dcatalina.base=C:CodeReposworkEclipseWorkspace.metadata.pluginsorg.eclipse.wst.server.coretmp0
Feb 18,2017 9:53:41 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dcatalina.home=C:tomcatapache-tomcat-8.5.11
Feb 18,2017 9:53:41 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dwtp.deploy=C:CodeReposworkEclipseWorkspace.metadata.pluginsorg.eclipse.wst.server.coretmp0wtpwebapps
Feb 18,2017 9:53:41 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Djava.endorsed.dirs=C:tomcatapache-tomcat-8.5.11endorsed
Feb 18,2017 9:53:41 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dfile.encoding=Cp1252
Feb 18,2017 9:53:41 AM org.apache.catalina.core.AprLifecycleListener lifecycleEvent
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:Program FilesJavajdk1.8.0_91bin;C:WINDOWSSunJavabin;C:WINDOWSsystem32;C:WINDOWS;C:/Program Files/Java/jre1.8.0_121/bin/server;C:/Program Files/Java/jre1.8.0_121/bin;C:/Program Files/Java/jre1.8.0_121/lib/amd64;C:ProgramDataOracleJavajavapath;C:Python27;C:Python27Scripts;C:Program Files (x86)InteliCLS Client;C:Program FilesInteliCLS Client;C:Windowssystem32;C:Windows;C:WindowsSystem32Wbem;C:WindowsSystem32WindowsPowerShellv1.0;C:Program FilesIntelIntel(R) Management Engine ComponentsDAL;C:Program Files (x86)IntelIntel(R) Management Engine ComponentsDAL;C:Program FilesIntelIntel(R) Management Engine ComponentsIPT;C:Program Files (x86)IntelIntel(R) Management Engine ComponentsIPT;C:Program Files (x86)GtkSharp2.12bin;C:Usersdever.dnxbin;C:Program FilesMicrosoft DNXDnvm;C:Program FilesMicrosoft SQL Server120ToolsBinn;C:Program Files (x86)Windows Kits10Windows Performance Toolkit;c:Program Files (x86)Microsoft SQL Server110ToolsBinnManagementStudio;c:Program Files (x86)Microsoft SQL Server110ToolsBinn;c:Program FilesMicrosoft SQL Server110ToolsBinn;c:Program Files (x86)Microsoft SQL Server110DTSBinn;C:Program Files (x86)NVIDIA CorporationPhysXCommon;C:Program Files (x86)Windows LiveShared;C:WINDOWSsystem32configsystemprofile.dnxbin;C:Program FilesMicrosoft SQL Server130ToolsBinn;C:WINDOWSsystem32;C:WINDOWS;C:WINDOWSSystem32Wbem;C:WINDOWSSystem32WindowsPowerShellv1.0;C:Program Files (x86)Microsoft Emulator Manager1.0;C:Program FilesGitcmd;C:Program Filesnodejs;C:Program FilesEmscriptenemscripten1.35.0;C:Program FilesEmscripten;C:Program FilesEmscriptenclange1.35.0_64bit;C:Program FilesEmscriptennode .12.2_64bit;C:Program FilesEmscriptenpython2.7.5.3_64bit;C:Program FilesEmscriptenjava7.45_64bitbin;C:Program FilesEmscriptencrunch1.03;C:Program FilesEmscriptenmingw4.6.2_32bit;C:Program FilesTortoiseSVNbin;C:JavaProgramFilesjdk1.8.0_91bin;C:Ruby193bin;C:program filesapache-maven-3.3.9bin;c:Program FilesMongoDBServer3.2bin;C:JavaProgramFilesapache-ant-1.9.7bin;C:JavaProgramFilesxmlbeans-1.0.3bin;C:UsersdeverAppDataLocalMicrosoftWindowsApps;C:UsersdeverAppDataRoamingnpm;C:Program Fileseclipsejee-neoneclipse;;.
Feb 18,2017 9:53:41 AM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler [“http-nio-8080”]
Feb 18,2017 9:53:41 AM org.apache.tomcat.util.net.NioSelectorPool getSharedSelector
INFO: Using a shared selector for servlet write/read
Feb 18,2017 9:53:41 AM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler [“ajp-nio-8009”]
Feb 18,2017 9:53:41 AM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 610 ms
Feb 18,2017 9:53:41 AM org.apache.catalina.core.StandardService startInternal
INFO: Starting service Catalina
Feb 18,2017 9:53:41 AM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/8.5.11
Feb 18,2017 9:53:44 AM org.apache.jasper.servlet.TldScanner scanJars
INFO: 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.
Feb 18,2017 9:53:44 AM org.apache.catalina.core.ApplicationContext log
INFO: No Spring WebApplicationInitializer types detected on classpath
Feb 18,2017 9:53:44 AM org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring root WebApplicationContext
2017-02-18 09:53:45.755 [localhost-startStop-1] INFO com.stackoverflow.util.common.AppConfigPostProcessor – Setting system property: org.jboss.logging.provider=slf4j
2017-02-18 09:53:45.757 [localhost-startStop-1] INFO com.stackoverflow.util.common.AppConfigPostProcessor – Setting default timezone to: UTC
2017-02-18 09:53:47.990 [localhost-startStop-1] INFO com.stackoverflow.util.concurrent.ThreadPoolTaskScheduler – Initializing ExecutorService ‘taskScheduler’
2017-02-18 09:53:47.997 [localhost-startStop-1] INFO com.stackoverflow.service.commproxy.LoggingServiceImpl – Logging Service: init successfully
2017-02-18 09:53:48.011 [localhost-startStop-1] INFO com.stackoverflow.service.commproxy.DeviceServiceImpl – Device Service: initializing Stackoverflow Device Service…
2017-02-18 09:53:48.314 [localhost-startStop-1] INFO com.stackoverflow.cache.mapdb.MapDBCacheManager – Opened StackoverflowCommProxyCacheV4 MapDB store. File location C:UsersdeverAppDataLocalTempStackoverflowCommProxyCacheV4.DeviceMetaDataCache
2017-02-18 09:53:48.314 [localhost-startStop-1] DEBUG com.stackoverflow.service.commproxy.DeviceServiceImpl – Device Service: loading local DeviceMetaData cache
2017-02-18 09:53:48.316 [taskScheduler-1] DEBUG com.stackoverflow.service.commproxy.DeviceServiceImpl – Device Service: starting device pool refresh task
Feb 18,2017 5:53:48 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler [http-nio-8080]
Feb 18,2017 5:53:48 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler [ajp-nio-8009]
Feb 18,2017 5:53:48 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 6928 ms
2017-02-18 09:53:49.774 [taskScheduler-1] INFO com.stackoverflow.service.commproxy.DeviceServiceImpl – Device Service: received list of device metadata with 15 items from Stackoverflow Cloud Services
2017-02-18 09:53:49.775 [taskScheduler-1] DEBUG com.stackoverflow.service.commproxy.DeviceServiceImpl – Device Service: device metadata cache contains 15 items
2017-02-18 09:53:49.806 [taskScheduler-1] INFO com.stackoverflow.service.commproxy.DeviceServiceImpl – Device Service: performed refresh cycle. Time spent: 1490 ms
Feb 18,2017 5:53:58 PM org.apache.catalina.core.StandardContext reload
INFO: Reloading Context with name [/stackoverflow-commproxy] has started
注意没有错误,并且发生的任何操作都没有触及磁盘.记录略有例外.哪个登录到文件然而我们的设置这样它真的不应该触摸web apps目录：
log4j2.xml
以及日志文件的其余部分：
Feb 18,2017 5:53:58 PM org.apache.catalina.core.ApplicationContext log
INFO: Closing Spring root WebApplicationContext
2017-02-18 09:53:58.514 [ContainerBackgroundProcessor[StandardEngine[Catalina]]] INFO com.stackoverflow.service.commproxy.DeviceServiceImpl – Device Service: destroying Stackoverflow Device Service…
2017-02-18 09:53:58.543 [ContainerBackgroundProcessor[StandardEngine[Catalina]]] INFO com.stackoverflow.cache.mapdb.MapDBCacheManager – Closed StackoverflowCommProxyCacheV4.DeviceMetaDataCache MapDB store
2017-02-18 09:53:58.545 [ContainerBackgroundProcessor[StandardEngine[Catalina]]] INFO com.stackoverflow.util.concurrent.ThreadPoolTaskScheduler – Shutting down ExecutorService ‘taskScheduler’
Feb 18,2017 5:53:58 PM org.apache.catalina.loader.WebappClassLoaderBase clearReferencesThreads
WARNING: The web application [Stackoverflow-commproxy] appears to have started a thread named [Log4j2-Log4j2Scheduled-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.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)
Feb 18,2017 5:54:00 PM org.apache.jasper.servlet.TldScanner scanJars
INFO: 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.
Feb 18,2017 5:54:00 PM org.apache.catalina.core.ApplicationContext log
INFO: No Spring WebApplicationInitializer types detected on classpath
Feb 18,2017 5:54:00 PM org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring root WebApplicationContext
2017-02-18 17:54:01.637 [ContainerBackgroundProcessor[StandardEngine[Catalina]]] INFO com.stackoverflow.util.common.AppConfigPostProcessor – Setting system property: org.jboss.logging.provider=slf4j
2017-02-18 17:54:01.639 [ContainerBackgroundProcessor[StandardEngine[Catalina]]] INFO com.stackoverflow.util.common.AppConfigPostProcessor – Setting default timezone to: UTC
2017-02-18 17:54:03.732 [ContainerBackgroundProcessor[StandardEngine[Catalina]]] INFO com.stackoverflow.util.concurrent.ThreadPoolTaskScheduler – Initializing ExecutorService ‘taskScheduler’
2017-02-18 17:54:03.739 [ContainerBackgroundProcessor[StandardEngine[Catalina]]] INFO com.stackoverflow.service.commproxy.LoggingServiceImpl – Logging Service: init successfully
2017-02-18 17:54:03.751 [ContainerBackgroundProcessor[StandardEngine[Catalina]]] INFO com.stackoverflow.service.commproxy.DeviceServiceImpl – Device Service: initializing Stackoverflow Device Service…
2017-02-18 17:54:04.024 [ContainerBackgroundProcessor[StandardEngine[Catalina]]] INFO com.stackoverflow.cache.mapdb.MapDBCacheManager – Opened StackoverflowCommProxyCacheV4 MapDB store. File location C:UsersdeverAppDataLocalTempStackoverflowCommProxyCacheV4.DeviceMetaDataCache
2017-02-18 17:54:04.024 [ContainerBackgroundProcessor[StandardEngine[Catalina]]] DEBUG com.stackoverflow.service.commproxy.DeviceServiceImpl – Device Service: loading local DeviceMetaData cache
2017-02-18 17:54:04.025 [taskScheduler-1] DEBUG com.stackoverflow.service.commproxy.DeviceServiceImpl – Device Service: starting device pool refresh task
Feb 18,2017 5:54:04 PM org.apache.catalina.core.StandardContext reload
INFO: Reloading Context with name [/Stackoverflow-commproxy] is completed
2017-02-18 17:54:04.987 [taskScheduler-1] INFO com.stackoverflow.service.commproxy.DeviceServiceImpl – Device Service: received list of device metadata with 15 items from Stackoverflow Cloud Services
2017-02-18 17:54:04.987 [taskScheduler-1] DEBUG com.stackoverflow.service.commproxy.DeviceServiceImpl – Device Service: device metadata cache contains 15 items
2017-02-18 17:54:05.020 [taskScheduler-1] INFO com.stackoverflow.service.commproxy.DeviceServiceImpl – Device Service: performed refresh cycle. Time spent: 995
我们可以看到有关log4j启动并且无法停止的某些线程的错误,但除此之外没有任何指示导致上下文重新加载的错误,并且关于log4j的错误仅发生因为重新加载.
如何查找上下文重新加载的原因.我们有几个项目在这个问题上受到影响,有些项目似乎比一个特定的过程或类更全球化.
还没有收到任何答案,所以我只想重申一下这个事实,我真的在寻找下一步的故障排除方法吗？一些其他日志要查看或某种方式来找出触发上下文重新加载的内容 最佳答案
您可以尝试以下设置：
>从Eclipse Servers View打开您的服务器配置
>然后确保在此编辑器中取消选中“服务器选项”部分“默认情况下模块自动重新加载”
>还要确保在该编辑器中选择发布部分“从不自动发布”
>在Eclipse Servers View中打开服务器的上下文菜单
>选择“添加和删除…”
>在对话框中确保“如果服务器已启动,立即发布更改”未选中并完成(您可能还必须首先删除所有Web应用程序并在另一步骤中再次添加它们) （编辑：李大同）
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