tomcat日志输出

diaoyudao

　　tomcat的日志有两个catalina.out和localhost，一般经常看catalina.out，但localhost也很重要。比如如下错误只在localhost里面显示：
写道
yunpeng@yunpeng-duitang:/work/apache-tomcat-5.5.35/logs$ cat localhost.2013-12-19.log
2013-12-19 14:42:49 org.apache.catalina.core.ApplicationContext log
信息: Marking servlet appServlet as unavailable
2013-12-19 14:42:49 org.apache.catalina.core.ApplicationContext log
严重: Error loading WebappClassLoader
delegate: false
repositories:
/WEB-INF/classes/
----------> Parent Classloader:
org.apache.catalina.loader.StandardClassLoader@1d766806
test.AppServlet1
java.lang.ClassNotFoundException: test.AppServlet1
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1438)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1284)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1068)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:966)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3996)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4266)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:760)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:740)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:544)
at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:884)
at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:737)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:498)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1203)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:319)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1022)