如何在 Tomcat 中将级别日志设置为 DEBUG？

我想在 tomcat 中将级别日志记录设置为 DEBUG，但是在控制台中只有 INFO 和 WARN 输出。 有人能告诉我怎么了吗？

我的 C: 公猫伐木属性:

# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional DEBUGrmation 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 DEBUG for Handlers.
############################################################


1catalina.org.apache.juli.FileHandler.level = DEBUG
1catalina.org.apache.juli.FileHandler.directory = ${catalina.base}/logs
1catalina.org.apache.juli.FileHandler.prefix = catalina.


2localhost.org.apache.juli.FileHandler.level = DEBUG
2localhost.org.apache.juli.FileHandler.directory = ${catalina.base}/logs
2localhost.org.apache.juli.FileHandler.prefix = localhost.


3manager.org.apache.juli.FileHandler.level = DEBUG
3manager.org.apache.juli.FileHandler.directory = ${catalina.base}/logs
3manager.org.apache.juli.FileHandler.prefix = manager.


4host-manager.org.apache.juli.FileHandler.level = DEBUG
4host-manager.org.apache.juli.FileHandler.directory = ${catalina.base}/logs
4host-manager.org.apache.juli.FileHandler.prefix = host-manager.


java.util.logging.ConsoleHandler.level = DEBUG
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 = DEBUG
org.apache.catalina.core.ContainerBase.[Catalina].[localhost].handlers = 2localhost.org.apache.juli.FileHandler


org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/manager].level = DEBUG
org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/manager].handlers = 3manager.org.apache.juli.FileHandler


org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/host-manager].level = DEBUG
org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/host-manager].handlers = 4host-manager.org.apache.juli.FileHandler


# For example, set the com.xyz.foo logger to only log SEVERE
# messages:
#org.apache.catalina.startup.ContextConfig.level = DEBUG
#org.apache.catalina.startup.HostConfig.level = DEBUG
#org.apache.catalina.session.ManagerBase.level = DEBUG
#org.apache.catalina.core.AprLifecycleListener.level=DEBUG

以我的日志为例:

INFO: Deploying configuration descriptor manager.xml
08.11.2010 1:06:42 org.apache.catalina.startup.HostConfig deployWAR
INFO: Deploying web application archive spring-mvc-trial.war
08.11.2010 1:06:46 org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory docs
08.11.2010 1:06:46 org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory examples
08.11.2010 1:06:46 org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory ROOT
08.11.2010 1:06:46 org.apache.coyote.http11.Http11AprProtocol start
INFO: Starting Coyote HTTP/1.1 on http-8080
08.11.2010 1:06:46 org.apache.coyote.ajp.AjpAprProtocol start
INFO: Starting Coyote AJP/1.3 on ajp-8009
08.11.2010 1:06:46 org.apache.catalina.startup.Catalina start
INFO: Server startup in 3777 ms
08.11.2010 1:09:36 org.apache.coyote.http11.Http11AprProtocol pause
INFO: Pausing Coyote HTTP/1.1 on http-8080
08.11.2010 1:09:36 org.apache.coyote.ajp.AjpAprProtocol pause
INFO: Pausing Coyote AJP/1.3 on ajp-8009
08.11.2010 1:09:37 org.apache.catalina.core.StandardService stop
INFO: Stopping service Catalina
08.11.2010 1:09:37 org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
SEVERE: The web application [/spring-mvc-trial] registered the JBDC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
08.11.2010 1:09:37 org.apache.catalina.loader.WebappClassLoader clearReferencesThreads
SEVERE: The web application [/spring-mvc-trial] appears to have started a thread named [MySQL Statement Cancellation Timer] but has failed to stop it. This is very likely to create a memory leak.
08.11.2010 1:09:38 org.apache.coyote.http11.Http11AprProtocol destroy
INFO: Stopping Coyote HTTP/1.1 on http-8080
08.11.2010 1:09:38 org.apache.coyote.ajp.AjpAprProtocol destroy
INFO: Stopping Coyote AJP/1.3 on ajp-8009
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小开
最佳答案

首先，要使用的级别名称是 FINE，而不是 DEBUG。让我们假设 DEBUG实际上是有效的，因为它使下面的解释更有意义一点..。

在 Handler specific properties部分中，将这些处理程序的日志记录级别设置为 DEBUG。这意味着处理程序将处理 DEBUG级别或更高级别的任何日志消息。这并不一定意味着任何 DEBUG消息实际上都被传递给了处理程序。

在 Facility specific properties部分中，您将一些显式命名的日志记录器的日志记录级别设置为 DEBUG。对于这些日志记录器，级别为 DEBUG或高于 威尔的任何内容都会传递给处理程序。

默认的日志记录级别是 INFO，除了 Facility specific properties小节中提到的日志记录器之外，所有的日志记录器都有这个级别。

如果您希望查看所有 FINE消息，请添加以下内容:

.level = FINE

但是，这将生成大量的日志消息。为代码设置日志记录级别可能更有用:

your.package.level = FINE

有关更多信息，请参见 雄猫6号/雄猫7号日志文档:

...
1catalina.org.apache.juli.FileHandler.level = FINE
...

并给出了设置额外日志记录级别的示例:

# For example, set the com.xyz.foo logger to only log SEVERE
# messages:
#org.apache.catalina.startup.ContextConfig.level = FINE
#org.apache.catalina.startup.HostConfig.level = FINE
#org.apache.catalina.session.ManagerBase.level = FINE
小开

Tomcat 的 JULI 日志级别

严重失败

警告 -潜在问题

INFO -信息性消息

CONFIG -静态配置消息

FINE -跟踪消息

FINER -详细的跟踪消息

FINEST -高度详细的跟踪消息

你可以在这里找到更多 Https://documentation.progress.com/output/ua/openedge_latest/index.html#page/pasoe-admin/tomcat-logging.html

小开

除了已经说过的内容(DEBUG-> FINE，FINER，FINEST In JULI) ，如果您正在使用 IDE 运行 Tomcat，比如 Eclipse，请注意它将配置存储在与 CATALINA _ HOME 不同的路径上，因此您可能需要添加

-Djava.util.logging.config.file="C:\apache-tomcat-9.0.31\conf\logging.properties"

显式设置日志记录属性。

详情请点击: 在 Eclipse 中哪里可以查看 Tomcat 日志文件？


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