Leo*_*rak 8 java logging log4j servlet-3.0 log4j2
我尝试根据文档(以及相关的SO问题)设置LOG4J,但它不会创建假定的文件,但WildFly中有这样的日志:
No Log4j context configuration provided. This is very unusual
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web.xml中
<web-app xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
version="3.0">
<context-param>
<param-name>log4jConfigLocation</param-name>
<param-value>/WEB-INF/classes/log4j2.xml</param-value>
</context-param>
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app.war/WEB-INF /类/ log4j2.xml
<?xml version="1.0" encoding="UTF-8"?>
<Configuration monitorInterval="30">
<!-- http://logging.apache.org/log4j/2.x/manual/configuration.html -->
<Properties>
<Property name="filename">c:/oauth.log</Property>
</Properties>
<Filter type="ThresholdFilter" level="trace"/>
<Appenders>
<Appender type="File" name="File" fileName="${filename}">
<Layout type="PatternLayout">
<Pattern>%d %p %C{1.} [%t] %m%n</Pattern>
</Layout>
</Appender>
<File name="MyFile" fileName="c:/oauth2.log" immediateFlush="true">
<PatternLayout pattern="%d{yyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
</File>
</Appenders>
<Loggers>
<Logger name="cz.literak.demo" level="debug" additivity="true">
<AppenderRef ref="File"/>
</Logger>
<Root level="error">
<AppenderRef ref="MyFile"/>
</Root>
</Loggers>
</Configuration>
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app.war/WEB-INF/lib中
commons-logging-1.1.3.jar
json-smart-1.1.1.jar
log4j-api-2.0-rc1.jar
log4j-core-2.0-rc1.jar
log4j-jcl-2.0-rc1.jar
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你能告诉我有什么问题吗?我试图在web.xml中注释掉上下文参数并依赖于自动配置,但没有任何变化.
编辑
当我添加以下代码时
<context-param>
<param-name>log4jContextName</param-name>
<param-value>oauthDemo</param-value>
</context-param>
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它的失败方式不同(我现在没时间调查)
07:41:29,269 INFO [io.undertow.servlet] (MSC service thread 1-12) Log4jServletContainerInitializer starting up Log4j in Servlet 3.0+ environment.
07:41:29,644 INFO [stdout] (MSC service thread 1-12) 2014-02-20 07:41:29,643 ERROR FileManager (c:/oauth2.log) java.io.FileNotFoundException: c:\oauth2.log (P?™?stup byl odep?™en)
07:41:29,646 INFO [stdout] (MSC service thread 1-12) 2014-02-20 07:41:29,645 ERROR Unable to invoke method createAppender in class org.apache.logging.log4j.core.appender.FileAppender for element File 07:41:29,647 INFO [stdout] (MSC service thread 1-12) at org.apache.logging.log4j.core.config.BaseConfiguration.createPluginObject(BaseConfiguration.java:913)
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作为参考,本页介绍了如何配置Log4j2:
https://logging.apache.org/log4j/2.x/manual/webapp.html#ContextParams
在我的例子中,我没有在web.xml中配置任何context-param.我唯一要做的就是设置显示名称:
<display-name>My Admin API</display-name>
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我也使用log4j2.yaml而不是xml文件,文件不在战争中.另请注意,在此页面https://logging.apache.org/log4j/2.x/manual/webapp.html中,他们说Tomcat <7.0.43版本存在问题.因此,您必须使用较新版本的特定配置.
Log4J 将在类路径中查找 log4j2.xml 配置文件,除非指定了位置。您是否尝试过不指定 log4j2.xml 文件的位置(即context-param从 中删除内容web.xml),而只是依靠将配置放入类路径中?(app.war/WEB-INF/classes/log4j2.xml对我来说看起来不错)
请注意,该文件必须命名log4j2.xml,而不是log4j.xml.
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