Spring Cloud Vault: Token (spring.cloud.vault.token) must not be empty - spring-boot

Question

Hi everyone
I created a program to test the vault with start.spring.io. And I configure the vault in the bootstap.properties file like this:
spring.application.name=vault-test
spring.cloud.vault.uri=http://localhost:8200
spring.cloud.vault.token=MY_ROOT_TOKEN
Here is my pom.xml configuration:
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.4.1</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<java.version>15</java.version>
<spring-cloud.version>2020.0.0</spring-cloud.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-vault-config</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.22.2</version>
<configuration>
<testFailureIgnore>true</testFailureIgnore>
</configuration>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>spring-milestones</id>
<name>Spring Milestones</name>
<url>https://repo.spring.io/milestone</url>
</repository>
</repositories>
Also, the vault development server is pre-set up with the following command:
vault server -dev
But when I run the program, it has the following error:
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'vaultTemplate' defined in class path resource [org/springframework/cloud/vault/config/VaultAutoConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.vault.core.VaultTemplate]: Factory method 'vaultTemplate' threw exception; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'vaultSessionManager' defined in class path resource [org/springframework/cloud/vault/config/VaultAutoConfiguration.class]: Unsatisfied dependency expressed through method 'vaultSessionManager' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'clientAuthentication' defined in class path resource [org/springframework/cloud/vault/config/VaultAutoConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.vault.authentication.ClientAuthentication]: Factory method 'clientAuthentication' threw exception; nested exception is java.lang.IllegalArgumentException: Token (spring.cloud.vault.token) must not be empty
But the vault token is set in the bootstrap.properties file !. But the strangest thing for me is that when I set the token in the application.properties file, I will not have an error! I know the bootstrap.properties file is called before the application properties file is called, and the token must be set in it, but why does the vault not notice it?

Answer 1

With Spring Boot 2.4, the bootstrap context initialization(bootstrap.yml, bootstrap.properties) of property sources is deprecated.
Please refer below:
https://stackoverflow.com/a/65009480

Answer 2

You seem to be missing the spring-cloud-starter dependency ( which should be added if you select the Cloud Bootstrap dependency on start.spring.io .
Just add the following dependency in your pom.xml file :
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter</artifactId>
</dependency>