blocks|key|1098800|text|您也可以这样做："mvn+-X+jetty:run“|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1098801|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

You can also do this "mvn -X jetty:run"

blocks|key|1313785|text|我发现这个解决方案更方便。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1313786|++++<resources>
++++++++<resource>
++++++++++++<directory>${project.basedir}/src/main/resources</directory>
++++++++++++<targetPath>${project.build.outputDirectory}</targetPath>
++++++++++++<includes>
++++++++++++++++<include>log4j.properties</include>
++++++++++++</includes>
++++++++</resource>
++++</resources>|code-block|syntax|javascript|1313787|别忘了粘贴|1313788|++++<overwrite>true</overwrite>|1313789|用于资源插件|1313790|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

I find this solution more convenient

<pre><code> &lt;resources&gt;
 &lt;resource&gt;
 &lt;directory&gt;${project.basedir}/src/main/resources&lt;/directory&gt;
 &lt;targetPath&gt;${project.build.outputDirectory}&lt;/targetPath&gt;
 &lt;includes&gt;
 &lt;include&gt;log4j.properties&lt;/include&gt;
 &lt;/includes&gt;
 &lt;/resource&gt;
 &lt;/resources&gt;
</code></pre>

also don't forget paste

<pre><code> &lt;overwrite&gt;true&lt;/overwrite&gt;
</code></pre>

for resources plugin

blocks|key|1313894|text|为了扩展Pascal和yegor256的答案，下面是它与SLF4J+Simple+logger的工作方式(这是最简单的选择，因为您只需要向slf4j-simple添加一个依赖项)：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1313895|<project>
++...
++<build>
++++...
++++<plugins>
++++++<plugin>
++++++++<groupId>org.mortbay.jetty</groupId>
++++++++<artifactId>jetty-maven-plugin</artifactId>
++++++++<version>7.0.0.pre5</version>

++++++++<dependencies>
+++++++++++<dependency>
++++++++++++++<groupId>org.slf4j</groupId>
++++++++++++++<artifactId>slf4j-simple</artifactId>
++++++++++++++<version>1.7.5</version>
+++++++++++</dependency>
++++++++</dependencies>
++++++</plugin>
++++++...
++++</plugins>
++</build>
++...
</project>|code-block|syntax|javascript|1313896|可以直接从Maven配置SLF4J记录器。默认值在http://www.slf4j.org/apidocs/org/slf4j/impl/SimpleLogger.html中描述)|1313897|例如，登录到具有更高调试级别(TRACE)的文件/tmp/output.log：|1313898|<configuration>
+++<systemProperties>
++++++<systemProperty>
+++++++++<name>org.slf4j.simpleLogger.logFile</name>
+++++++++<value>/tmp/output.log</value>
++++++</systemProperty>
++++++<systemProperty>
+++++++++<name>org.slf4j.simpleLogger.defaultLogLevel</name>
+++++++++<value>trace</value>
++++++</systemProperty>
+++</systemProperties>
</configuration>|1313899|entityMap|0|LINK|mutability|MUTABLE|url|http://www.slf4j.org/apidocs/org/slf4j/impl/SimpleLogger.html^0|S|J|1X|C|0|0|P|1P|0|0|F|5|O|F|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@$9|Z|A|10|B|C]|$9|11|A|12|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|13|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|14|8|@]|D|@$9|15|A|16|1|17]]|E|$]]|$1|M|3|N|5|6|7|18|8|@$9|19|A|1A|B|C]|$9|1B|A|1C|B|C]]|D|@]|E|$]]|$1|O|3|P|5|H|7|1D|8|@]|D|@]|E|$I|J]]|$1|Q|3|-4|5|6|7|1E|8|@]|D|@]|E|$]]]|R|$S|$5|T|U|V|E|$W|X]]]]

To extend Pascal's and yegor256's answer, this is how it works with <code>SLF4J Simple logger</code> (which is the most easiest option since you just need to add a dependency to <code>slf4j-simple</code>):

<pre><code>&lt;project&gt;
 ...
 &lt;build&gt;
 ...
 &lt;plugins&gt;
 &lt;plugin&gt;
 &lt;groupId&gt;org.mortbay.jetty&lt;/groupId&gt;
 &lt;artifactId&gt;jetty-maven-plugin&lt;/artifactId&gt;
 &lt;version&gt;7.0.0.pre5&lt;/version&gt;

 &lt;dependencies&gt;
 &lt;dependency&gt;
 &lt;groupId&gt;org.slf4j&lt;/groupId&gt;
 &lt;artifactId&gt;slf4j-simple&lt;/artifactId&gt;
 &lt;version&gt;1.7.5&lt;/version&gt;
 &lt;/dependency&gt;
 &lt;/dependencies&gt;
 &lt;/plugin&gt;
 ...
 &lt;/plugins&gt;
 &lt;/build&gt;
 ...
&lt;/project&gt;
</code></pre>

It is possible to configure the SLF4J Logger directly from Maven pom. Defaults are described in <a href="http://www.slf4j.org/apidocs/org/slf4j/impl/SimpleLogger.html" rel="nofollow">http://www.slf4j.org/apidocs/org/slf4j/impl/SimpleLogger.html</a>) 

For instance, log into a file <code>/tmp/output.log</code> with higher debug level (<code>TRACE</code>):

<pre><code>&lt;configuration&gt;
 &lt;systemProperties&gt;
 &lt;systemProperty&gt;
 &lt;name&gt;org.slf4j.simpleLogger.logFile&lt;/name&gt;
 &lt;value&gt;/tmp/output.log&lt;/value&gt;
 &lt;/systemProperty&gt;
 &lt;systemProperty&gt;
 &lt;name&gt;org.slf4j.simpleLogger.defaultLogLevel&lt;/name&gt;
 &lt;value&gt;trace&lt;/value&gt;
 &lt;/systemProperty&gt;
 &lt;/systemProperties&gt;
&lt;/configuration&gt;
</code></pre>

I'm running a java webapp with a simple <code>mvn jetty:run</code>, using the latest jetty plugin, but I can't seem to find a way to tell jetty to output DEBUG messages to console (for the embedded jetty instance, not the plugin itself). It's currently outputting only WARN and INFO messages. I've tried setting <code>-DDEBUG</code> and <code>-DVERBOSE</code>, but they don't do anything. I've already had a look at the <a href="http://wiki.eclipse.org/Jetty/Feature/Jetty_Maven_Plugin" rel="noreferrer">documentation</a>, but it doesn't seem to cover this.

Enable debug logging in maven jetty 7 plugin

我正在使用最新的jetty插件运行一个java webapp和一个简单的mvn jetty:run，但是我似乎找不到一种方法来告诉jetty将调试消息输出到控制台(针对嵌入式jetty实例，而不是插件本身)。它目前只输出警告和信息消息。我尝试过设置-DDEBUG和-DVERBOSE，但它们什么也不做。我已经看过了，但它...

问在maven jetty 7插件中启用调试日志
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