启动Tomcat时出现大量乱码的解决方法

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:   ""
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? Server.???″?ㄧ???�: Apache Tomcat/7.0.109
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? ???″?ㄦ??寤�:        Apr 22 2021 18:43:38 UTC
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? ???″?ㄧ??????      7.0.109.0
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? ??浣?绯荤???绉?      Windows 8.1
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? OS.????           6.3
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? ?舵??:              amd64
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? Java ???????:     C:\Program Files\Java\jdk1.8.0_40\jre
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? Java?????虹???�:    1.8.0_40-b25
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? JVM.渚?搴??�:        Oracle Corporation
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? CATALINA_BASE:     C:\Users\lenovo\.IntelliJIdea2018.3\system\tomcat\Tomcat_7_0_109_springmvc
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? CATALINA_HOME:     D:\jar\apache-tomcat-7.0.109
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? ?戒护琛????帮?       -Djava.util.logging.config.file=C:\Users\lenovo\.IntelliJIdea2018.3\system\tomcat\Tomcat_7_0_109_springmvc\conf\logging.properties
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? ?戒护琛????帮?       -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? ?戒护琛????帮?       -Dcom.sun.management.jmxremote=
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? ?戒护琛????帮?       -Dcom.sun.management.jmxremote.port=1099
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? ?戒护琛????帮?       -Dcom.sun.management.jmxremote.ssl=false
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? ?戒护琛????帮?       -Dcom.sun.management.jmxremote.password.file=C:\Users\lenovo\.IntelliJIdea2018.3\system\tomcat\Tomcat_7_0_109_springmvc\jmxremote.password
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? ?戒护琛????帮?       -Dcom.sun.management.jmxremote.access.file=C:\Users\lenovo\.IntelliJIdea2018.3\system\tomcat\Tomcat_7_0_109_springmvc\jmxremote.access
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? ?戒护琛????帮?       -Djava.rmi.server.hostname=127.0.0.1
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? ?戒护琛????帮?       -Djdk.tls.ephemeralDHKeySize=2048
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? ?戒护琛????帮?       -Dignore.endorsed.dirs=
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? ?戒护琛????帮?       -Dcatalina.base=C:\Users\lenovo\.IntelliJIdea2018.3\system\tomcat\Tomcat_7_0_109_springmvc
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? ?戒护琛????帮?       -Dcatalina.home=D:\jar\apache-tomcat-7.0.109
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.VersionLoggerListener log
淇℃?? ?戒护琛????帮?       -Djava.io.tmpdir=D:\jar\apache-tomcat-7.0.109\temp
???? 15, 2021 12:06:59 涓??? org.apache.catalina.core.AprLifecycleListener lifecycleEvent
淇℃?? 浣跨??PR????1.7.0]??杞戒??轰?APR??Apache Tomcat???哄?[1.2.28]?�
???? 15, 2021 12:06:59 涓??? org.apache.catalina.core.AprLifecycleListener lifecycleEvent
淇℃?? APR???斤?IPv6[true]??sendfile[true]??accept filters[false]??random[true]?�
???? 15, 2021 12:06:59 涓??? org.apache.catalina.core.AprLifecycleListener initializeSSL
淇℃?? OpenSSL??????濮??� [OpenSSL 1.1.1k  25 Mar 2021]
???? 15, 2021 12:06:59 涓??? org.apache.coyote.AbstractProtocol init
淇℃?? ??濮?????璁????? ["http-apr-8090"]
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.Catalina load
淇℃?? Initialization processed in 1462 ms
???? 15, 2021 12:06:59 涓??? org.apache.catalina.core.StandardService startInternal
淇℃?? 姝ｅ?ㄥ???ㄦ????Catalina]
???? 15, 2021 12:06:59 涓??? org.apache.catalina.core.StandardEngine startInternal
淇℃?? Starting Servlet Engine: Apache Tomcat/7.0.109
???? 15, 2021 12:06:59 涓??? org.apache.coyote.AbstractProtocol start
淇℃?? 寮�濮???璁?????ユ??["http-apr-8090"]
???? 15, 2021 12:06:59 涓??? org.apache.catalina.startup.Catalina start
淇℃?? 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...
???? 15, 2021 12:07:00 涓??? org.apache.catalina.deploy.WebXml setVersion
璀﹀??: Unknown version string [4.0]. Default version will be used.
???? 15, 2021 12:07:02 涓??? org.apache.catalina.startup.TldConfig execute
淇℃?? 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
???? 15, 2021 12:07:09 涓??? org.apache.catalina.startup.HostConfig deployDirectory
淇℃?? ??web 搴??ㄧ?搴??ㄧ讲?扮???#65533; [D:\jar\apache-tomcat-7.0.109\webapps\manager]
???? 15, 2021 12:07:10 涓??? org.apache.catalina.startup.HostConfig deployDirectory
淇℃?? Web搴??ㄧ?搴????[D:\jar\apache-tomcat-7.0.109\webapps\manager]???ㄧ讲宸插??319]姣????瀹??�

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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