Tag Archives: springBoot

SpringBoot Datas Validation Build Error: Add a provider like Hibernate Validator (RI) to your classpath

Error while building the validation data mechanism in SpringBoot
Error Messages:

java.lang.IllegalStateException: Failed to load ApplicationContext
at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:132)
at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:124)
at org.springframework.test.context.web.ServletTestExecutionListener.setUpRequestContextIfNecessary(ServletTestExecutionListener.java:190)
at org.springframework.test.context.web.ServletTestExecutionListener.prepareTestInstance(ServletTestExecutionListener.java:132)
at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:244)
at org.springframework.test.context.junit.jupiter.SpringExtension.postProcessTestInstance(SpringExtension.java:138)
at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeTestInstancePostProcessors$6(ClassBasedTestDescriptor.java:350)
at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.executeAndMaskThrowable(ClassBasedTestDescriptor.java:355)
at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeTestInstancePostProcessors$7(ClassBasedTestDescriptor.java:350)
at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)
at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1374)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
at java.util.stream.StreamSpliterators$WrappingSpliterator.forEachRemaining(StreamSpliterators.java:312)
at java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:743)
at java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:742)
at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580)
at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.invokeTestInstancePostProcessors(ClassBasedTestDescriptor.java:349)
at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$instantiateAndPostProcessTestInstance$4(ClassBasedTestDescriptor.java:270)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateAndPostProcessTestInstance(ClassBasedTestDescriptor.java:269)
at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$2(ClassBasedTestDescriptor.java:259)
at java.util.Optional.orElseGet(Optional.java:267)
at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$3(ClassBasedTestDescriptor.java:258)
at org.junit.jupiter.engine.execution.TestInstancesProvider.getTestInstances(TestInstancesProvider.java:31)
at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$prepare$0(TestMethodTestDescriptor.java:101)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:100)
at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:65)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$prepare$1(NodeTestTask.java:111)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.prepare(NodeTestTask.java:111)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:79)
at java.util.ArrayList.forEach(ArrayList.java:1249)
at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:143)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:129)
at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:127)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:126)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:84)
at java.util.ArrayList.forEach(ArrayList.java:1249)
at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:143)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:129)
at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:127)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:126)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:84)
at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:32)
at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57)
at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:51)
at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:108)
at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:88)
at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:54)
at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:67)
at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:52)
at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:96)
at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:75)
at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:69)
at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230)
at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58)
Caused by: org.springframework.boot.context.properties.ConfigurationPropertiesBindException: Error creating bean with name 'person': Could not bind properties to 'Person' : prefix=person, ignoreInvalidFields=false, ignoreUnknownFields=true; nested exception is javax.validation.NoProviderFoundException: Unable to create a Configuration, because no Jakarta Bean Validation provider could be found. Add a provider like Hibernate Validator (RI) to your classpath.
at org.springframework.boot.context.properties.ConfigurationPropertiesBindingPostProcessor.bind(ConfigurationPropertiesBindingPostProcessor.java:92)
at org.springframework.boot.context.properties.ConfigurationPropertiesBindingPostProcessor.postProcessBeforeInitialization(ConfigurationPropertiesBindingPostProcessor.java:78)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:422)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1778)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:602)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:524)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:944)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:918)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:754)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:434)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:338)
at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:123)
at org.springframework.test.context.cache.De

Solution:
First of all for the new version of SpringBoot now does not automatically import the validation mechanism, we need to import it manually.
The phrase Add a provider like Hibernate Validator (RI) to your classpath. presumably imports packages related to Hibernate, so import the dependencies

<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>6.1.3.Final</version>
</dependency>

That’s it (it doesn’t matter if you’re using Mybatis)

[Solved] Springboot Integrate Swagger2 3.0.0 Error: Failed to start bean ‘documentationPluginsBootstrapper’

Add dependency

<dependency>
  <groupId>io.springfox</groupId>
  <artifactId>springfox-boot-starter</artifactId>
  <version>3.0.0</version>
</dependency>

Write swagger2 configuration class

@Enablewebmvc annotation can solve

Failed to start bean ‘documentationpluginsbootstrapper’

@Configuration
@EnableWebMvc
public class Swagger2Config {
}

test

Start the project and enter the web address

Swagger2.2.x. The website of version x is

http://localhost:8080/swagger-ui.html

For versions of swagger2 after 3.0.0, the website is

http://localhost:8080/swagger-ui/index.html

[Solved] SpringBoot Error: Caused by: org.yaml.snakeyaml.error.YAMLException: java.nio.charset.Malforme

Springboot error prompt application YML error

The main error messages are as follows:

Caused by: org. yaml. snakeyaml.error.YAMLException: java.nio.charset.Malforme

Caused by: org.yaml.snakeyaml.error.YAMLException: java.nio.charset. MalformedInputException: Input length = 1

I don’t understand the meaning of the second sentence now, but because I modify the application directly The suffix of the properties file has been changed to application yml

Solution:

Create a new file: application.yml, and then copy the old content, it is done!

[Solved] Springboot Start main program service error: required a single, but 2 were found

required a single , but 2 were found
Error:

***************************
APPLICATION FAILED TO START
***************************
Description:
Field messageService in com.sto.unify.app.jnv2.controller.biz.TaskCenter.TaskCenterController required a single bean, but 2 were found:
    - taskMessageServiceImpl: defined in file [/Users/zgz/IdeaProjects/sto-app-face/sto-app-face-jn/sto-app-face-jn-service/target/classes/com/sto/unify/app/jnv2/service/core/task/impl/TaskMessageServiceImpl.class]
    - taskMessageService: defined in file [/Users/zgz/IdeaProjects/sto-app-face/sto-app-face-jn/sto-app-face-jn-service/target/classes/com/sto/unify/app/jnv2/service/core/task/TaskMessageService.class]
Action:
Consider marking one of the beans as @Primary, updating the consumer to accept multiple beans, or using @Qualifier to identify the bean that should be consumed

Error reason:

It may be that maperscan scans all the packages during scanning. Change it to the following

[Solved] SpringBoot Project Package to jar Error: ClassNotFound…

After the springboot project is packaged as a jar, it is reported to find the main method, classnotfound

Add the following plug-in to the POM of the modules that report the error.

    <build>
       <plugins>
           <!-- If you don't add this parameter to the jar package, it will report that the main method was not found. -->
           <plugin>
               <groupId>org.springframework.boot</groupId>
               <artifactId>spring-boot-maven-plugin</artifactId>
               <version>2.4.1</version>
               <configuration>
                   <includeSystemScope>true</includeSystemScope>
                   <mainClass>cn.vantee.EurekaServerStarter7001</mainClass>
               </configuration>
               <executions>
                   <execution>
                       <goals>
                           <goal>repackage</goal>
                       </goals>
                   </execution>
               </executions>
           </plugin>
       </plugins>
    </build>

[Solved] SpringBoot Package Error: Failed to execute goal org.apache.maven.plugins:maven-resources-plugin:3.2.0:resources (default-res

Problem description

Springboot application packaging error: failed to execute goal org apache. maven. plugins:maven-resources-plugin:3.2. 0:resources (default-res

Cause analysis

Maven resources plugin dependency is missing in plugins tag.

<plugins>
<plugin>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-maven-plugin</artifactId>
    <configuration>
        <excludes>
            <exclude>
                <groupId>org.projectlombok</groupId>
                <artifactId>lombok</artifactId>
            </exclude>
        </excludes>
    </configuration>
</plugin>
</plugins>

Add configuration item

        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <excludes>
                        <exclude>
                            <groupId>org.projectlombok</groupId>
                            <artifactId>lombok</artifactId>
                        </exclude>
                    </excludes>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-resources-plugin</artifactId>
                <version>3.1.0</version>
            </plugin>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>

Now the problem is solved.

SpringBoot Project Package Error: [ERROR] Failed to execute goal org.springframework.boot:spring-boot-maven-plugin (Running Normally)

error message

 [ERROR] Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:2.0.1.RELEASE:repackage (default) on project xc-framework-common: Execution default of goal org.springframework.boot:spring-boot-maven-plugin:2.0.1.RELEASE:repackage failed:

Solution:

Remove the following plug-ins from POM

<plugin>  
        <groupId>org.springframework.boot</groupId>  
        <artifactId>spring-boot-maven-plugin</artifactId> 
</plugin>

[Solved] Springboot Project Connect MYSQL Error: Establishing SSL connection without server’s identity verification is not recommended.

Error message

Establishing SSL connection without server's identity verification is not recommended.

According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option isn't set.

For compliance with existing applications not using SSL the verifyServerCertificate property is set to 'false'.

You need either to explicitly disable SSL by setting useSSL=false, or set useSSL=true and provide truststore for server certificate verification.

 

Solution:

#Modify database connection Add useSSL=true
jdbc:mysql://localhost:3306/aa?useUnicode=true&characterEncoding=utf-8&useSSL=true

Where usessl = true means that when the JDBC version is inconsistent with the MySQL version, when using JDBC to connect to your database, your JDBC version is incompatible with the MySQL version. The MySQL version is higher. Add “usessl =” true “after the connection statement to connect to the database.

[Solved] Springboot integrate swagger Error: failed to start bean ‘documentationpluginsboot

First, paste my jar package version

<parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.2.5.RELEASE</version>
        <relativePath/>
    </parent>


 <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger2</artifactId>
            <version>2.9.2</version>
        </dependency>
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger-ui</artifactId>
            <version>2.9.2</version>
        </dependency>

        <dependency>
            <groupId>com.google.guava</groupId>
            <artifactId>guava</artifactId>
            <version>25.1-jre</version>
        </dependency>

Some people failed to start the bean ‘documentationpluginsboot’ because the guava version is too low. The online strategy is also to modify the guava version

Finally, it is found that the springboot version is too high and incompatible. Just change the springboot version to 2.2.5

SpringBoot Frame: Failed to determine a suitable driver class [How to Solve]

. ____ _ __ _ _
/\\/___’_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | ‘_ | ‘_| | ‘_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
‘ |____| .__|_| |_|_| |_\__, |////
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v2.0.7.RELEASE)

2019-08-27 11:31:57.774 ERROR 15364 — [ main] o.s.b.d.LoggingFailureAnalysisReporter :

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

Description:

Failed to configure a DataSource: ‘url’ attribute is not specified and no embedded datasource could be configured.

Reason: Failed to determine a suitable driver class

Action:

Consider the following:
If you want an embedded database (H2, HSQL or Derby), please put it on the classpath.
If you have database settings to be loaded from a particular profile you may need to activate it (no profiles are currently active).

Resolution:

Build a simple introductory test based on springboot and springcloud framework. The error report is as follows:

reason:

This is because the database component is added, so autoconfig will read the data source configuration, but the newly created project has not been configured. The data source/url address is wrong, so an exception will occur.

Solution:

1. Add exclude = {datasourceautoconfiguration. Class} in @ enableautoconfiguration or @ springbootapplication of startup class to exclude autoconfig of this class. After startup, it can run normally.

1 @MapperScan("com.wsc.core.mapper")
2 @SpringBootApplication(exclude = {DataSourceAutoConfiguration.class})
　　// SpringBoot
3 public class Start {
4     public static void main(String[] args) {
5         SpringApplication.run(Start.class,args);
6     }
7 }

II. The URL address in application.yml cannot be recognized, and the format is wrong.

Strict writing requirements for yaml format files (equal order flush, top grid input)

 1 server:
 2   port: 8001
 3 mybatis:
 4   config-location: classpath:mybatis/mybatis.cfg.xml #mybatis Configuration file path
 5 type-aliases-package: com.wsc.core.pojo # package where the entity alias class is located
 6 mapper-locations: mybatis/mapper/*.xml # mapper mapping file
 7 spring:
 8 application:
 9 name: microserver-product # This is very important, this is generally based on this name in the future service to service calls between each other
10 datasource:
11 type: com.alibaba.druid.pool.
12 driver-class-name: com.mysql.cj.jdbc.
13 url: jdbc:mysql://127.0.0.1:3306/springcloud_db01?serverTimezone=GMT%2B8
14 password: wsc
15 username: root
16 dbcp2:
17 min-idle: 5 # Minimum number of maintained connections for the database connection pool
18 initial-size: 5 # Initialize the number of connections
19 max-total: 5 # Maximum number of connections
20 max-wait-millis: 150 # Maximum timeout to wait for a connection to be fetched

YML file