带有嵌入式tomcat 8.5的java Spring boot 2.2无法启动。disableRegistry不存在

8 月，3 周 Questions & Answers 2919

在我的应用程序中，我们被迫使用tomcat 8.5，因为我们必须支持servlet api 3.1，但我们升级到了spring boot 2.2.6。现在，当开始使用嵌入式tomcat时，问题就出现了。如果我在我的pom中注释掉tomcat版本（获取tomcat 9），同样的代码就像一个符咒

这是我的EmbeddedTomcat代码：

@Value("${spring.datasource.url}")
private String jdbcUrl;

@Value("${spring.datasource.username}")
private String jdbcUsername;

@Value("${spring.datasource.password}")
private String jdbcPassword;

@Value("${spring.datasource.driver-class-name}")
private String driverClassName;

@Bean
public TomcatServletWebServerFactory tomcatFactory() {
    log.info("initializing tomcat factory... ");        
    return new TomcatServletWebServerFactory() {

        @Override
        protected TomcatWebServer getTomcatWebServer(Tomcat tomcat) {
            tomcat.enableNaming();
            return super.getTomcatWebServer(tomcat);
        }

        @Override
        protected void postProcessContext(Context context) {    
            log.info("initializing tomcat factory JDNI ... ");
            // Adding connection details
            ContextResource resource = new ContextResource();
            resource.setName("jdbc/DB");
            resource.setType(DataSource.class.getName());
            resource.setProperty("driverClassName", driverClassName);
            resource.setProperty("url", jdbcUrl);
            resource.setProperty("username", jdbcUsername);
            resource.setProperty("password", jdbcPassword);

            context.getNamingResources().addResource(resource);
        }
    };
}

在我的pom上。xml我所做的唯一改变是：

<servlet-api.version>3.1.0</servlet-api.version> 
<!-- Forced for embeded tomcats since tomcat 9 force servlet 4.0 -->
<tomcat.version>8.5.54</tomcat.version>

这是完整堆栈错误：

***************************
APPLICATION FAILED TO START
***************************

Description:

An attempt was made to call a method that does not exist. The attempt was made from the following location:

    org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:175)

The following method did not exist:

    org.apache.tomcat.util.modeler.Registry.disableRegistry()V

The method's class, org.apache.tomcat.util.modeler.Registry, is available from the following locations:

    jar:file:/C:/Users/localAdministrator/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/8.5.54/tomcat-embed-core-8.5.54.jar!/org/apache/tomcat/util/modeler/Registry.class

It was loaded from the following location:

    file:/C:/Users/localAdministrator/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/8.5.54/tomcat-embed-core-8.5.54.jar


Action:

Correct the classpath of your application so that it contains a single, compatible version of org.apache.tomcat.util.modeler.Registry

共 (1) 个答案

# 1 楼答案
Spring boot 2.2.6期望tomcat 9.0。x最小值。ref-https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-dependencies/2.2.6.RELEASE

与spring 2.2.6并驾齐驱，带来tomcat 8.5。x、也许您可以覆盖“spring boot starter tomcat”工件（来自spring boot父级：2.2.6），以实现兼容&；理想的tomcat版本

例如，弹簧靴启动器tomcat:2.0.7。这个版本可以很好地与tomcat 8.5配合使用。x

在pom文件中声明以下依赖项
```
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-tomcat</artifactId>
    <version>2.0.7.RELEASE</version>
</dependency>
```

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带有嵌入式tomcat 8.5的java Spring boot 2.2无法启动。disableRegistry不存在

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