更改 Tomcat 日志路径

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在开发/测试环境，日志是非常重要的。而公司对于测试环境进行了控制，只有配置人员能连接访问，而开发人员是无法获取该服务器的信息的。在出现错误时，没有异常日志，开发是很难重现问题的。因此需要对中间件 tomcat 进行配置，将日志放到某个目录下，开发人员可以通过浏览器就能查看日志。ok，开工：

目的： 能通过浏览器检查tomcat日志

方法：将 tomcat 的日志放置到 $CATALINA_HOME/webapps/ROOT/logs 下，用户就可以通过 http://xxx.xxx.xxx.xxx/logs/catalina.out 访问日志了。

1. 修改tomcat/conf下的logging.properties

# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
 
handlers = 1catalina.org.apache.juli.FileHandler, 2localhost.org.apache.juli.FileHandler, 3manager.org.apache.juli.FileHandler, 4host-manager.org.apache.juli.FileHandler, java.util.logging.ConsoleHandler
 
.handlers = 1catalina.org.apache.juli.FileHandler, java.util.logging.ConsoleHandler
 
############################################################
# Handler specific properties.
# Describes specific configuration info for Handlers.
############################################################
 
1catalina.org.apache.juli.FileHandler.level = FINE
1catalina.org.apache.juli.FileHandler.directory = ${catalina.base}/webapps/ROOT/logs
1catalina.org.apache.juli.FileHandler.prefix = catalina.
 
2localhost.org.apache.juli.FileHandler.level = FINE
2localhost.org.apache.juli.FileHandler.directory = ${catalina.base}/webapps/ROOT/logs
2localhost.org.apache.juli.FileHandler.prefix = localhost.
 
3manager.org.apache.juli.FileHandler.level = FINE
3manager.org.apache.juli.FileHandler.directory = ${catalina.base}/webapps/ROOT/logs
3manager.org.apache.juli.FileHandler.prefix = manager.
 
4host-manager.org.apache.juli.FileHandler.level = FINE
4host-manager.org.apache.juli.FileHandler.directory = ${catalina.base}/webapps/ROOT/logs
4host-manager.org.apache.juli.FileHandler.prefix = host-manager.
 
java.util.logging.ConsoleHandler.level = FINE
java.util.logging.ConsoleHandler.formatter = java.util.logging.SimpleFormatter
 
############################################################
# Facility specific properties.
# Provides extra control for each logger.
############################################################
 
org.apache.catalina.core.ContainerBase.[Catalina].[localhost].level = INFO
org.apache.catalina.core.ContainerBase.[Catalina].[localhost].handlers = 2localhost.org.apache.juli.FileHandler
 
org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/manager].level = INFO
org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/manager].handlers = 3manager.org.apache.juli.FileHandler
 
org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/host-manager].level = INFO
org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/host-manager].handlers = 4host-manager.org.apache.juli.FileHandler
 
# For example, to log debug messages in ContextConfig and HostConfig
# classes and to log only warnings and errors in other
# org.apache.catalina.** classes, uncomment these lines:
#org.apache.catalina.startup.ContextConfig.level = FINE
#org.apache.catalina.startup.HostConfig.level = FINE
#org.apache.catalina.level = WARNING

2. 修改tomcat/bin/catalina.sh

186 if [ -z "$CATALINA_OUT" ] ; then
187   CATALINA_OUT="$CATALINA_BASE"/webapps/ROOT/logs/catalina.out
188 fi

　　

【注意】红色字体是需要修改的内容，修改为当前 tomcat 的最新的网站根目录即可。

3、重启 tomcat

4、使用浏览器即可查看日志： http://xxx.xxx.xxx.xxxx/logs/catalina.out