启动Tomcat乱码
1. 在 tomcat 的启动窗口打印的启动信息中包含了大量的中文乱码，虽然这些对 tomcat 本身的使用没有任何影响，但却非常碍眼，影响视觉效果!
D:\jar\apache-tomcat-7.0.109\bin\catalina.bat run [2021-06-15 12:06:55,652] Artifact ch01hellospringmvc:war exploded: Waiting for server connection to start artifact deployment... Using CATALINA_BASE: "C:\Users\lenovo\.IntelliJIdea2018.3\system\tomcat\Tomcat_7_0_109_springmvc" Using CATALINA_HOME: "D:\jar\apache-tomcat-7.0.109" Using CATALINA_TMPDIR: "D:\jar\apache-tomcat-7.0.109\temp" Using JRE_HOME: "C:\Program Files\Java\jdk1.8.0_40" Using CLASSPATH: "D:\jar\apache-tomcat-7.0.109\bin\bootstrap.jar;D:\jar\apache-tomcat-7.0.109\bin\tomcat-juli.jar" Using CATALINA_OPTS: "" 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: Server.鏈嶅姟鍣ㄧ増鏈�: Apache Tomcat/7.0.109 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: 鏈嶅姟鍣ㄦ瀯寤�: Apr 22 2021 18:43:38 UTC 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: 鏈嶅姟鍣ㄧ増鏈彿: 7.0.109.0 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: 鎿嶄綔绯荤粺鍚嶇О: Windows 8.1 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: OS.鐗堟湰: 6.3 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: 鏋舵瀯: amd64 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: Java 鐜鍙橀噺: C:\Program Files\Java\jdk1.8.0_40\jre 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: Java铏氭嫙鏈虹増鏈�: 1.8.0_40-b25 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: JVM.渚涘簲鍟�: Oracle Corporation 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: CATALINA_BASE: C:\Users\lenovo\.IntelliJIdea2018.3\system\tomcat\Tomcat_7_0_109_springmvc 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: CATALINA_HOME: D:\jar\apache-tomcat-7.0.109 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: 鍛戒护琛屽弬鏁帮細 -Djava.util.logging.config.file=C:\Users\lenovo\.IntelliJIdea2018.3\system\tomcat\Tomcat_7_0_109_springmvc\conf\logging.properties 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: 鍛戒护琛屽弬鏁帮細 -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: 鍛戒护琛屽弬鏁帮細 -Dcom.sun.management.jmxremote= 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: 鍛戒护琛屽弬鏁帮細 -Dcom.sun.management.jmxremote.port=1099 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: 鍛戒护琛屽弬鏁帮細 -Dcom.sun.management.jmxremote.ssl=false 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: 鍛戒护琛屽弬鏁帮細 -Dcom.sun.management.jmxremote.password.file=C:\Users\lenovo\.IntelliJIdea2018.3\system\tomcat\Tomcat_7_0_109_springmvc\jmxremote.password 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: 鍛戒护琛屽弬鏁帮細 -Dcom.sun.management.jmxremote.access.file=C:\Users\lenovo\.IntelliJIdea2018.3\system\tomcat\Tomcat_7_0_109_springmvc\jmxremote.access 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: 鍛戒护琛屽弬鏁帮細 -Djava.rmi.server.hostname=127.0.0.1 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: 鍛戒护琛屽弬鏁帮細 -Djdk.tls.ephemeralDHKeySize=2048 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: 鍛戒护琛屽弬鏁帮細 -Dignore.endorsed.dirs= 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: 鍛戒护琛屽弬鏁帮細 -Dcatalina.base=C:\Users\lenovo\.IntelliJIdea2018.3\system\tomcat\Tomcat_7_0_109_springmvc 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: 鍛戒护琛屽弬鏁帮細 -Dcatalina.home=D:\jar\apache-tomcat-7.0.109 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.VersionLoggerListener log 淇℃伅: 鍛戒护琛屽弬鏁帮細 -Djava.io.tmpdir=D:\jar\apache-tomcat-7.0.109\temp 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.core.AprLifecycleListener lifecycleEvent 淇℃伅: 浣跨敤APR鐗堟湰[1.7.0]鍔犺浇浜嗗熀浜嶢PR鐨凙pache Tomcat鏈満搴揫1.2.28]銆� 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.core.AprLifecycleListener lifecycleEvent 淇℃伅: APR鍔熻兘锛欼Pv6[true]銆乻endfile[true]銆乤ccept filters[false]銆乺andom[true]銆� 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.core.AprLifecycleListener initializeSSL 淇℃伅: OpenSSL鎴愬姛鍒濆鍖� [OpenSSL 1.1.1k 25 Mar 2021] 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.coyote.AbstractProtocol init 淇℃伅: 鍒濆鍖栧崗璁鐞嗗櫒 ["http-apr-8090"] 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.Catalina load 淇℃伅: Initialization processed in 1462 ms 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.core.StandardService startInternal 淇℃伅: 姝ｅ湪鍚姩鏈嶅姟[Catalina] 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.core.StandardEngine startInternal 淇℃伅: Starting Servlet Engine: Apache Tomcat/7.0.109 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.coyote.AbstractProtocol start 淇℃伅: 寮�濮嬪崗璁鐞嗗彞鏌刐"http-apr-8090"] 鍏湀 15, 2021 12:06:59 涓婂崍 org.apache.catalina.startup.Catalina start 淇℃伅: Server startup in 108 ms Connected to server [2021-06-15 12:07:00,087] Artifact ch01hellospringmvc:war exploded: Artifact is being deployed, please wait... 鍏湀 15, 2021 12:07:00 涓婂崍 org.apache.catalina.deploy.WebXml setVersion 璀﹀憡: Unknown version string [4.0]. Default version will be used. 鍏湀 15, 2021 12:07:02 涓婂崍 org.apache.catalina.startup.TldConfig execute 淇℃伅: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time. [2021-06-15 12:07:03,217] Artifact ch01hellospringmvc:war exploded: Artifact is deployed successfully [2021-06-15 12:07:03,218] Artifact ch01hellospringmvc:war exploded: Deploy took 3,131 milliseconds 鍏湀 15, 2021 12:07:09 涓婂崍 org.apache.catalina.startup.HostConfig deployDirectory 淇℃伅: 鎶妛eb 搴旂敤绋嬪簭閮ㄧ讲鍒扮洰褰� [D:\jar\apache-tomcat-7.0.109\webapps\manager] 鍏湀 15, 2021 12:07:10 涓婂崍 org.apache.catalina.startup.HostConfig deployDirectory 淇℃伅: Web搴旂敤绋嬪簭鐩綍[D:\jar\apache-tomcat-7.0.109\webapps\manager]鐨勯儴缃插凡鍦╗319]姣鍐呭畬鎴�
2. 对于乱码问题，原因是字节流解码为字符串时，使用了错误的字符集(和编码所用字符集不一致) !
我们找到 tomcat 目录下的 config 子目录中，找到"logging.properties" 文件，打开这个文本文件，找到如下配置项：
java.util.logging.ConsoleHandler.encoding = UTF-8
将 UTF-8 修改为 GBK，修改后的效果为：
java.util.logging.ConsoleHandler.encoding = GBK
保存后，重启 tomcat
、
最后，重启窗口，乱码问题就解决了
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