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I have a Spring Boot 3.3.1 application, with springdoc-openapi-starter-webmvc-ui 2.6.0.
The swagger does not work anymore. It shows me the error Fetch error response status is 500 /v3/api-docs. In the console I get the error message:
java.lang.NullPointerException: Cannot invoke "String.length()" because "apiDocsUrl" is null
springdoc config:
springdoc:
api-docs:
path: /v3/api-docs
swagger-ui:
path: /swagger-ui.html
The pom:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns=".0.0"
xmlns:xsi=";
xsi:schemaLocation=".0.0 .0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>3.3.1</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<groupId>...</groupId>
<artifactId>...</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>...</name>
<description>...</description>
<properties>
<spring-cloud.version>2023.0.2</spring-cloud.version>
<mapstruct.version>1.5.1.Final</mapstruct.version>
<.projectlombok.version>1.18.22</.projectlombok.version>
<lombok-mapstruct-binding.version>0.2.0
</lombok-mapstruct-binding.version>
<commons-io.version>2.11.0</commons-io.version>
<sonar.coverage.exclusions>...</sonar.coverage.exclusions>
<opentelemetry.version>1.31.0</opentelemetry.version>
<resource.delimiter>^</resource.delimiter>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<dependency>
<groupId>software.amazon.awssdk</groupId>
<artifactId>bom</artifactId>
<version>2.17.102</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<dependency>
<groupId>io.opentelemetry</groupId>
<artifactId>opentelemetry-bom</artifactId>
<version>${opentelemetry.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>com.vaadin.external.google</groupId>
<artifactId>android-json</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>.springframework.boot</groupId>
<artifactId>spring-boot-starter-validation</artifactId>
</dependency>
<dependency>
<groupId>.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-openfeign</artifactId>
</dependency>
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>aws-java-sdk-s3</artifactId>
<version>1.12.262</version>
<exclusions>
<exclusion>
<groupId>software.amazon.ion</groupId>
<artifactId>ion-java</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>aws-java-sdk-core</artifactId>
<version>1.12.262</version>
<exclusions>
<exclusion>
<groupId>software.amazon.ion</groupId>
<artifactId>ion-java</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>jmespath-java</artifactId>
<version>1.12.262</version>
</dependency>
<dependency>
<groupId>software.amazon.awssdk</groupId>
<artifactId>s3</artifactId>
</dependency>
<dependency>
<groupId>com.mysql</groupId>
<artifactId>mysql-connector-j</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>.postgresql</groupId>
<artifactId>postgresql</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>.projectlombok</groupId>
<artifactId>lombok</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>33.0.0-jre</version>
</dependency>
<dependency>
<groupId>.springdoc</groupId>
<artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
<version>2.6.0</version>
</dependency>
<dependency>
<groupId>.mapstruct</groupId>
<artifactId>mapstruct</artifactId>
<version>${mapstruct.version}</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>${commons-io.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.dataformat</groupId>
<artifactId>jackson-dataformat-xml</artifactId>
</dependency>
<dependency>
<groupId>software.amazon.awssdk</groupId>
<artifactId>secretsmanager</artifactId>
</dependency>
<dependency>
<groupId>io.awspring.cloud</groupId>
<artifactId>spring-cloud-starter-aws-ses</artifactId>
<version>2.4.4</version>
</dependency>
<dependency>
<groupId>javax.mail</groupId>
<artifactId>javax.mail-api</artifactId>
<version>1.6.2</version>
</dependency>
<dependency>
<groupId>.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>.springframework.boot</groupId>
<artifactId>spring-boot-starter-mail</artifactId>
</dependency>
<dependency>
<groupId>.json</groupId>
<artifactId>json</artifactId>
<version>20231013</version>
</dependency>
<dependency>
<groupId>.apache.httpcomponents.client5</groupId>
<artifactId>httpclient5</artifactId>
</dependency>
<!-- JSON LOG OUTPUT-->
<dependency>
<groupId>net.logstash.logback</groupId>
<artifactId>logstash-logback-encoder</artifactId>
<version>7.4</version>
</dependency>
<dependency>
<groupId>ch.qos.logback.contrib</groupId>
<artifactId>logback-json-classic</artifactId>
<version>0.1.5</version>
<exclusions>
<exclusion>
<groupId>ch.qos.logback.contrib</groupId>
<artifactId>logback-core</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>net.logstash.logback</groupId>
<artifactId>logstash-logback-encoder</artifactId>
<version>7.4</version>
</dependency>
<!-- OPENTELEMETRY -->
<dependency>
<groupId>io.opentelemetry</groupId>
<artifactId>opentelemetry-api</artifactId>
</dependency>
<dependency>
<groupId>io.opentelemetry</groupId>
<artifactId>opentelemetry-sdk</artifactId>
</dependency>
<dependency>
<groupId>io.opentelemetry</groupId>
<artifactId>opentelemetry-sdk-metrics</artifactId>
</dependency>
<dependency>
<groupId>io.opentelemetry</groupId>
<artifactId>opentelemetry-exporter-logging</artifactId>
</dependency>
<dependency>
<!-- Not managed by opentelemetry-bom -->
<groupId>io.opentelemetry.semconv</groupId>
<artifactId>opentelemetry-semconv</artifactId>
<version>1.21.0-alpha</version>
</dependency>
<dependency>
<groupId>.springframework.security</groupId>
<artifactId>spring-security-rsa</artifactId>
</dependency>
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
</dependency>
<dependency>
<groupId>.yaml</groupId>
<artifactId>snakeyaml</artifactId>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
</dependency>
<dependency>
<groupId>com.nimbusds</groupId>
<artifactId>nimbus-jose-jwt</artifactId>
<version>9.38</version>
</dependency>
<dependency>
<groupId>.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>6.1.12</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<loaderImplementation>CLASSIC</loaderImplementation>
<excludes>
<exclude>
<groupId>.projectlombok</groupId>
<artifactId>lombok</artifactId>
</exclude>
</excludes>
</configuration>
</plugin>
<plugin>
<groupId>.jacoco</groupId>
<artifactId>jacoco-maven-plugin</artifactId>
<version>0.8.7</version>
<executions>
<execution>
<goals>
<goal>prepare-agent</goal>
</goals>
</execution>
<execution>
<id>report</id>
<phase>prepare-package</phase>
<goals>
<goal>report</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>${java.version}</source>
<target>${java.version}</target>
<annotationProcessorPaths>
<path>
<groupId>.mapstruct</groupId>
<artifactId>mapstruct-processor</artifactId>
<version>${mapstruct.version}</version>
</path>
<path>
<groupId>.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>${.projectlombok.version}</version>
</path>
<path>
<groupId>.projectlombok</groupId>
<artifactId>lombok-mapstruct-binding</artifactId>
<version>${lombok-mapstruct-binding.version}</version>
</path>
</annotationProcessorPaths>
</configuration>
</plugin>
</plugins>
</build>
</project>
本文标签： spring bootspringdocopenapiUnable to load swagger quotapiDocsUrlquot is nullStack Overflow
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