无法启动嵌入式Tomcat、Spring引导、Gradle



我的应用程序使用弹簧引导2.5.12,Gradle 7.3.3。

更多日志在这里

2022-09-14 11:52:05.893 1179 [background-preinit] INFO  Version - HV000001: Hibernate Validator 6.2.3.Final
2022-09-14 11:52:05.972 1258 [main] INFO   - Starting app using Java 1.8.0_342 on 
2022-09-14 11:52:05.975 1261 [main] INFO   - The following 1 profile is active: "develop"
2022-09-14 11:52:07.126 2412 [main] INFO  RepositoryConfigurationDelegate - Bootstrapping Spring Data JPA repositories in DEFAULT mode.
2022-09-14 11:52:07.242 2528 [main] INFO  RepositoryConfigurationDelegate - Finished Spring Data repository scanning in 111 ms. Found 15 JPA repository interfaces.
2022-09-14 11:52:07.517 2803 [main] INFO  PostProcessorRegistrationDelegate$BeanPostProcessorChecker - Bean 'webSocketConfig' of type [cip.v32.services.service.investigation.modules.messaging.websocket.WebSocketConfig$$EnhancerBySpringCGLIB$$7dd4fc38] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying)
2022-09-14 11:52:07.773 3059 [main] INFO  TomcatWebServer - Tomcat initialized with port(s): 8081 (http)
2022-09-14 11:52:07.779 3065 [main] INFO  Http11NioProtocol - Initializing ProtocolHandler ["http-nio-8081"]
2022-09-14 11:52:07.780 3066 [main] INFO  StandardService - Starting service [Tomcat]
2022-09-14 11:52:07.780 3066 [main] INFO  StandardEngine - Starting Servlet engine: [Apache Tomcat/9.0.60]
2022-09-14 11:52:07.855 3141 [main] INFO  [/api/v1] - Initializing Spring embedded WebApplicationContext
2022-09-14 11:52:07.855 3141 [main] INFO  ServletWebServerApplicationContext - Root WebApplicationContext: initialization completed in 1839 ms
2022-09-14 11:52:07.998 3284 [main] ERROR ContainerBase - A child container failed during start
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost].TomcatEmbeddedContext[/api/v1]]
at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_342]
at java.util.concurrent.FutureTask.get(FutureTask.java:192) 
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost].TomcatEmbeddedContext[/api/v1]]
Caused by: java.lang.NullPointerException
at org.apache.tomcat.websocket.server.WsServerContainer.<init>(WsServerContainer.java:109) ~[tomcat-embed-websocket-9.0.60.jar:9.0.60]

我通过运行应用程序获得NPE。我试过了栈溢出的所有方法,但都没能成功。我的构建gradle有弹簧靴网,tomcat所有需要的东西。

build.gradle

这是我的整个构建渐变文件。我尝试了几种不同的方法来运行它,但都没有成功。也许tomcat版本与某些库不兼容?

plugins {
id 'groovy'
id 'org.springframework.boot' version '2.7.3'
id 'io.spring.dependency-management' version '1.0.13.RELEASE'
id 'java'
}
dependencies {
// Third party dependencies
implementation 'org.springframework.boot:spring-boot-starter-actuator'
implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
implementation 'org.springframework.boot:spring-boot-starter-security'
implementation 'org.springframework.boot:spring-boot-starter-validation'
implementation 'org.springframework.boot:spring-boot-starter-web'
implementation 'org.springframework.retry:spring-retry'
implementation 'org.springframework.boot:spring-boot-starter-websocket'
// Third party dependencies
implementation 'com.auth0:java-jwt:3.8.3'                                               // Contains vulnerabilities
implementation 'com.codahale.metrics:metrics-core:3.0.2'
implementation 'com.google.code.findbugs:jsr305:3.0.0'
implementation 'com.google.code.gson:gson:2.8.5'                                        // Contains vulnerabilities
implementation 'com.googlecode.java-ipv6:java-ipv6:0.17'
implementation 'com.itextpdf:itextpdf:5.5.13.1'                                         // Contains vulnerabilities
implementation 'com.jayway.jsonpath:json-path:2.4.0'                                    // Contains vulnerabilities
implementation 'com.squareup.okhttp:okhttp:2.7.5'
implementation 'commons-beanutils:commons-beanutils:1.9.4'
implementation 'commons-net:commons-net:3.8.0'                                          // Contains vulnerabilities
implementation 'de.grundid.opendatalab:geojson-jackson:1.14'
implementation 'eu.bitwalker:UserAgentUtils:1.20'                                       // Contains vulnerabilities
implementation 'io.springfox:springfox-boot-starter:3.0.0'
implementation 'io.springfox:springfox-swagger-ui:3.0.0'
implementation 'javax.ws.rs:javax.ws.rs-api:2.1.1'                                      // Contains vulnerabilities
implementation 'org.apache.commons:commons-collections4:4.4'                            // Contains vulnerabilities
implementation 'org.apache.commons:commons-compress:1.21'
implementation 'org.apache.commons:commons-csv:1.9.0'
implementation 'org.apache.commons:commons-lang3:3.12.0'
implementation 'org.elasticsearch.client:elasticsearch-rest-high-level-client:7.12.1'   // Contains vulnerabilities
implementation 'org.jetbrains:annotations:13.0'
implementation 'org.openjdk.jmh:jmh-core:1.25'

annotationProcessor 'org.projectlombok:lombok:1.18.10'
annotationProcessor 'org.springframework.boot:spring-boot-configuration-processor'
compileOnly 'org.projectlombok:lombok:1.18.10'

// Test dependencies
testImplementation 'com.h2database:h2'
testImplementation 'commons-io:commons-io:1.3.2'
testImplementation 'org.openjdk.jmh:jmh-generator-annprocess:1.25'
testImplementation 'org.spockframework:spock-core:2.0-groovy-3.0'
testImplementation 'org.springframework.boot:spring-boot-starter-test'
testImplementation 'org.springframework.security:spring-security-test'
testImplementation 'org.testcontainers:junit-jupiter:1.15.0'
testImplementation 'org.testcontainers:postgresql:1.15.0'
testImplementation 'org.testcontainers:testcontainers:1.15.0'
testAnnotationProcessor 'org.projectlombok:lombok:1.18.10'
testCompileOnly 'org.projectlombok:lombok:1.18.10'
}
configurations.implementation {
exclude group: 'ch.qos.logback', module: 'logback-classic'
exclude group: 'ch.qos.logback', module: 'logback-core'
exclude group: 'org.apache.logging.log4j', module: 'log4j-to-slf4j'
}
}

主类

@Data
@SpringBootApplication
@EnableRetry
@ConfigurationProperties(prefix = "spring.db")
public class CipMiddleware {

public static void main(String[] args) {
SpringApplication.run(CipMiddleware.class, args);
}
}
不要将配置属性和@SpringBootApplication混合使用专用对象。

@Data
@ConfigurationProperties(prefix = "spring.db")
public class MyProperties { ... }
@SpringBootApplication
@EnableRetry
@EnableConfigurationProperties(MyProperties.class)
public class CipMiddleware { ... }

停止混合来自不同版本框架的罐子(在本例中为Spring 5.2.4、5.2.5和Spring Boot在5.3.18中引入的罐子(。

spring-aspects中删除版本,以便获得兼容的版本
删除已包含在spring-boot-starter-jpa中的spring-jdbc
spring-websocket替换为spring-boot-starter-websocket

删除已包含在spring-boot-starter-security中的spring-security-core
删除已经属于spring-boot-starter-data-jpahibernate-core/jakarta-persistence删除validation-api已经是spring-boot-starter-validation的一部分

configuration-processesor依赖项的版本拉入旧版本的jar(删除版本(。

spring-boot-dependencies中删除该版本(或全部删除正如spring-depenency插件已经完成的那样(。

Spring Boot测试已经在junit、junit jupiter和assertj中进行了测试。

Lombok版本由Spring Boot 管理

dependencies {

// Third party dependencies   
implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
implementation 'org.springframework.boot:spring-boot-starter-security'
implementation 'org.springframework.boot:spring-boot-starter-validation'
implementation 'org.springframework.boot:spring-boot-starter-web'
implementation 'org.springframework.boot:spring-boot-starter-websocket'    
implementation 'org.springframework.retry:spring-retry'
implementation 'org.springframework:spring-aspects'
// Third party dependencies
implementation 'com.auth0:java-jwt:3.8.3'                                               // Contains vulnerabilities
implementation 'com.codahale.metrics:metrics-core:3.0.2'
implementation 'com.google.code.findbugs:jsr305:3.0.0'
implementation 'com.google.code.gson:gson'                                        // Contains vulnerabilities
implementation 'com.googlecode.java-ipv6:java-ipv6:0.17'
implementation 'com.itextpdf:itextpdf:5.5.13.1'                                         // Contains vulnerabilities
implementation 'com.jayway.jsonpath:json-path:2.4.0'                                    // Contains vulnerabilities
implementation 'com.squareup.okhttp:okhttp:2.7.5'
implementation 'commons-beanutils:commons-beanutils:1.9.4'
implementation 'commons-net:commons-net:3.8.0'                                          // Contains vulnerabilities
implementation 'de.grundid.opendatalab:geojson-jackson:1.14'
implementation 'eu.bitwalker:UserAgentUtils:1.20'                                       // Contains vulnerabilities
implementation 'io.springfox:springfox-boot-starter:3.0.0'
implementation 'io.springfox:springfox-swagger-ui:3.0.0'

implementation 'javax.ws.rs:javax.ws.rs-api:2.1.1'                                      // Contains vulnerabilities
implementation 'org.apache.commons:commons-collections4:4.4'                            // Contains vulnerabilities
implementation 'org.apache.commons:commons-compress:1.21'
implementation 'org.apache.commons:commons-csv:1.9.0'
implementation 'org.apache.commons:commons-lang3:3.12.0'
implementation 'org.elasticsearch.client:elasticsearch-rest-high-level-client:7.12.1'   // Contains vulnerabilities
// Contains vulnerabilities
implementation 'org.jetbrains:annotations:13.0'
implementation 'org.openjdk.jmh:jmh-core:1.25'
annotationProcessor 'org.projectlombok:lombok'
annotationProcessor 'org.springframework.boot:spring-boot-configuration-processor'
compileOnly 'org.projectlombok:lombok'
// External resource files
externalResourceFiles 'cip.v32.resources.dev:aaa-data:1.0.0:cells@zip'
externalResourceFiles 'cip.v32.resources.dev:geo-data:1.0.0:geohash-precision@csv'
externalResourceFiles 'cip.v32.resources.dev:ip-data:1.0.0:country.ip@csv'
// Test dependencies
testImplementation 'com.h2database:h2'
testImplementation 'commons-io:commons-io:1.3.2'    
testImplementation 'org.openjdk.jmh:jmh-generator-annprocess:1.25'
testImplementation 'org.spockframework:spock-core:2.0-groovy-3.0'
testImplementation 'org.springframework.boot:spring-boot-starter-test'
testImplementation 'org.springframework.security:spring-security-test'
testImplementation 'org.testcontainers:junit-jupiter:1.15.0'
testImplementation 'org.testcontainers:postgresql:1.15.0'
testImplementation 'org.testcontainers:testcontainers:1.15.0'
testAnnotationProcessor 'org.projectlombok:lombok'
testCompileOnly 'org.projectlombok:lombok'

}

您还使用了io.springfox,它在较新版本的Spring Boot中存在一些问题(请参阅Springfox 3.0.0不适用于Spring Boot 2.6.0中的包含/排除和配置内容(。

最后,如果无论如何都要使用嵌入式容器,为什么要构建war而不是jar?我建议使用jar插件,而不是war插件。

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