Spring 在 Tomcat 10 問題上啟動 2.x

Question

我正在嘗試在 Tomcat Docker 容器中部署戰爭文件，但總是得到404 Not Found頁面。 我按照Intellij Tutorial創建了 Spring Boot 項目，它在我的本地機器上運行良好。

這是我的 Dockerfile：

FROM tomcat:latest
ADD WebTutorial.war /usr/local/tomcat/webapps/ROOT.war

我使用以下命令構建映像並運行容器：

$ docker build -t sp-tomcat .
$ docker run -it -p 8080:8080 --name sp-tomcat sp-tomcat

容器運行后，我登錄到容器中，看到war文件已經部署（我想）：

這是日志 output：

21-Dec-2021 07:41:35.819 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server version name:   Apache Tomcat/10.0.14
21-Dec-2021 07:41:35.821 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server built:          Dec 2 2021 22:01:36 UTC
21-Dec-2021 07:41:35.821 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Server version number: 10.0.14.0
21-Dec-2021 07:41:35.821 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log OS Name:               Linux
21-Dec-2021 07:41:35.822 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log OS Version:            5.10.76-linuxkit
21-Dec-2021 07:41:35.822 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Architecture:          aarch64
21-Dec-2021 07:41:35.822 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Java Home:             /usr/local/openjdk-11
21-Dec-2021 07:41:35.822 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Version:           11.0.13+8
21-Dec-2021 07:41:35.822 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Vendor:            Oracle Corporation
21-Dec-2021 07:41:35.822 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_BASE:         /usr/local/tomcat
21-Dec-2021 07:41:35.822 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_HOME:         /usr/local/tomcat
21-Dec-2021 07:41:35.829 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: --add-opens=java.base/java.lang=ALL-UNNAMED
21-Dec-2021 07:41:35.829 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: --add-opens=java.base/java.io=ALL-UNNAMED
21-Dec-2021 07:41:35.829 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: --add-opens=java.base/java.util=ALL-UNNAMED
21-Dec-2021 07:41:35.829 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: --add-opens=java.base/java.util.concurrent=ALL-UNNAMED
21-Dec-2021 07:41:35.829 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: --add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED
21-Dec-2021 07:41:35.829 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.config.file=/usr/local/tomcat/conf/logging.properties
21-Dec-2021 07:41:35.829 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
21-Dec-2021 07:41:35.829 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djdk.tls.ephemeralDHKeySize=2048
21-Dec-2021 07:41:35.829 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.protocol.handler.pkgs=org.apache.catalina.webresources
21-Dec-2021 07:41:35.829 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dorg.apache.catalina.security.SecurityListener.UMASK=0027
21-Dec-2021 07:41:35.830 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dignore.endorsed.dirs=
21-Dec-2021 07:41:35.830 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.base=/usr/local/tomcat
21-Dec-2021 07:41:35.830 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.home=/usr/local/tomcat
21-Dec-2021 07:41:35.830 INFO [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.io.tmpdir=/usr/local/tomcat/temp
21-Dec-2021 07:41:35.831 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent Loaded Apache Tomcat Native library [1.2.31] using APR version [1.7.0].
21-Dec-2021 07:41:35.832 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true], UDS [true].
21-Dec-2021 07:41:35.833 INFO [main] org.apache.catalina.core.AprLifecycleListener.initializeSSL OpenSSL successfully initialized [OpenSSL 1.1.1k  25 Mar 2021]
21-Dec-2021 07:41:35.979 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-nio-8080"]
21-Dec-2021 07:41:35.990 INFO [main] org.apache.catalina.startup.Catalina.load Server initialization in [268] milliseconds
21-Dec-2021 07:41:36.018 INFO [main] org.apache.catalina.core.StandardService.startInternal Starting service [Catalina]
21-Dec-2021 07:41:36.018 INFO [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet engine: [Apache Tomcat/10.0.14]
21-Dec-2021 07:41:36.024 INFO [main] org.apache.catalina.startup.HostConfig.deployWAR Deploying web application archive [/usr/local/tomcat/webapps/ROOT.war]
21-Dec-2021 07:41:36.576 INFO [main] org.apache.jasper.servlet.TldScanner.scanJars 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.
21-Dec-2021 07:41:36.596 INFO [main] org.apache.catalina.startup.HostConfig.deployWAR Deployment of web application archive [/usr/local/tomcat/webapps/ROOT.war] has finished in [572] ms
21-Dec-2021 07:41:36.599 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio-8080"]
21-Dec-2021 07:41:36.607 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in [617] milliseconds

但是當我嘗試通過瀏覽器查看該網站時沒有運氣。 誰能告訴我我錯過了什么？

Answer 1

問題是您嘗試在 Tomcat 10 上運行 Spring Boot 2.x 應用程序，但該應用程序尚不受支持。 Tomcat 10 的最大變化之一是

Migration from Java EE to Jakarta EE as part of the transfer of Java EE to the Eclipse Foundation, the primary package for all implemented APIs has changed from javax.* to jakarta.*. 這幾乎肯定需要更改代碼以使應用程序能夠從 Tomcat 9 及更早版本遷移到 Tomcat 10 及更高版本。

因此，Spring 框架使用的所有 API 都是基於舊的javax.*和新的jakarta.*將在 Spring 框架 6 和 Z38008DD81C2F4D7985ECF36E0CE8AF1D1Z 中得到支持）更多詳細信息（ 此處為 Boot 36E0CE8AF1D1）

您需要做的只是調整 Dockerfile 以運行 Tomcat 9 的應用程序。如果您在 Java 17 上，這個將起作用

FROM tomcat:9.0-jre17-temurin
ADD WebTutorial.war /usr/local/tomcat/webapps/ROOT.war

Answer 2

i had similar requirement to migrate from tomcat 9 to tomcat 10 with spring 2.2.4 (java 8), as we know tomcat 9 is supported with java EE and tomcat 10 onwards JAKARATA EE api.

所以目前我們唯一能做的就是使用 apache 遷移工具進行遷移。

第1步：構建與tomcat 9兼容的war文件后。

Step 2: download the jar https://dlcdn.apache.org/tomcat/jakartaee-migration/v1.0.0/binaries/jakartaee-migration-1.0.0-shaded.jar copy to some folder

第三步：運行以下命令。

java  -jar jakartaee-migration-1.0.0-shaded.jar old.war new.war

Note : required class are made compatible with the above tool.

第4步：完成。 將 new.war 部署到 tomcat 10 webapps 文件夾。

可能這是有幫助的。