1. After using idea to create a spring project, it is found that the spring boot Maven plugin in pom.xml reports an error.
2. Compared with the springboot project created on the official website, it is found that < version> 2.4.12
3. Add the corresponding version to idea
Conclusion: the problem that is not a problem is the most people’s mentality
error message
Startorg.apache.rocketmq.remoting.exception.RemotingTooMuchRequestException: sendDefaultImpl call timeout
at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.sendDefaultImpl(DefaultMQProducerImpl.java:612)
at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.send(DefaultMQProducerImpl.java:1253)
at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.send(DefaultMQProducerImpl.java:1203)
at org.apache.rocketmq.client.producer.DefaultMQProducer.send(DefaultMQProducer.java:214)
at com.cmit.fabric.java.rocketmq.RocketMQTest.producer.ProducerTest.producerStart(ProducerTest.java:39)
at com.cmit.fabric.java.rocketmq.RocketMQTest.producer.ProducerTest.main(ProducerTest.java:27)
Solution:
Add in conf/break.conf
namesrvAddr = Internet access address: 9876
brokerIP1=Internet access address
Start command change
Start namesrv
sh bin/mqnamesrv -n Internet access address: 9876
Start the broker
sh bin/mqbroker -n Internet access address:9876 -c conf/broker.conf autoCreateTopicEnable=true
Error message
"C:\Program Files\Java\jdk-9.0.4\bin\java.exe" -XX:TieredStopAtLevel=1 -noverify -Dspring.output.ansi.enabled=always "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA 2021.1.1\lib\idea_rt.jar=49541:C:\Program Files\JetBrains\IntelliJ IDEA 2021.1.1\bin" -Dcom.sun.management.jmxremote -Dspring.jmx.enabled=true -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true -Dfile.encoding=UTF-8 -classpath D:\java\set\target\classes;C:\Users\tianyu.wang\.m2\repository\org\springframework\boot\spring-boot-starter-web\2.5.6\spring-boot-starter-web-2.5.6.jar;C:\Users\tianyu.wang\.m2\repository\org\springframework\boot\spring-boot-starter\2.5.6\spring-boot-starter-2.5.6.jar;C:\Users\tianyu.wang\.m2\repository\org\springframework\boot\spring-boot-autoconfigure\2.5.6\spring-boot-autoconfigure-2.5.6.jar;C:\Users\tianyu.wang\.m2\repository\org\springframework\boot\spring-boot-starter-logging\2.5.6\spring-boot-starter-logging-2.5.6.jar;C:\Users\tianyu.wang\.m2\repository\ch\qos\logback\logback-classic\1.2.6\logback-classic-1.2.6.jar;C:\Users\tianyu.wang\.m2\repository\ch\qos\logback\logback-core\1.2.6\logback-core-1.2.6.jar;C:\Users\tianyu.wang\.m2\repository\org\apache\logging\log4j\log4j-to-slf4j\2.14.1\log4j-to-slf4j-2.14.1.jar;C:\Users\tianyu.wang\.m2\repository\org\apache\logging\log4j\log4j-api\2.14.1\log4j-api-2.14.1.jar;C:\Users\tianyu.wang\.m2\repository\org\slf4j\jul-to-slf4j\1.7.32\jul-to-slf4j-1.7.32.jar;C:\Users\tianyu.wang\.m2\repository\jakarta\annotation\jakarta.annotation-api\1.3.5\jakarta.annotation-api-1.3.5.jar;C:\Users\tianyu.wang\.m2\repository\org\yaml\snakeyaml\1.28\snakeyaml-1.28.jar;C:\Users\tianyu.wang\.m2\repository\org\springframework\boot\spring-boot-starter-json\2.5.6\spring-boot-starter-json-2.5.6.jar;C:\Users\tianyu.wang\.m2\repository\com\fasterxml\jackson\core\jackson-databind\2.12.5\jackson-databind-2.12.5.jar;C:\Users\tianyu.wang\.m2\repository\com\fasterxml\jackson\core\jackson-annotations\2.12.5\jackson-annotations-2.12.5.jar;C:\Users\tianyu.wang\.m2\repository\com\fasterxml\jackson\core\jackson-core\2.12.5\jackson-core-2.12.5.jar;C:\Users\tianyu.wang\.m2\repository\com\fasterxml\jackson\datatype\jackson-datatype-jdk8\2.12.5\jackson-datatype-jdk8-2.12.5.jar;C:\Users\tianyu.wang\.m2\repository\com\fasterxml\jackson\datatype\jackson-datatype-jsr310\2.12.5\jackson-datatype-jsr310-2.12.5.jar;C:\Users\tianyu.wang\.m2\repository\com\fasterxml\jackson\module\jackson-module-parameter-names\2.12.5\jackson-module-parameter-names-2.12.5.jar;C:\Users\tianyu.wang\.m2\repository\org\springframework\boot\spring-boot-starter-tomcat\2.5.6\spring-boot-starter-tomcat-2.5.6.jar;C:\Users\tianyu.wang\.m2\repository\org\apache\tomcat\embed\tomcat-embed-core\9.0.54\tomcat-embed-core-9.0.54.jar;C:\Users\tianyu.wang\.m2\repository\org\apache\tomcat\embed\tomcat-embed-el\9.0.54\tomcat-embed-el-9.0.54.jar;C:\Users\tianyu.wang\.m2\repository\org\apache\tomcat\embed\tomcat-embed-websocket\9.0.54\tomcat-embed-websocket-9.0.54.jar;C:\Users\tianyu.wang\.m2\repository\org\springframework\spring-web\5.3.12\spring-web-5.3.12.jar;C:\Users\tianyu.wang\.m2\repository\org\springframework\spring-beans\5.3.12\spring-beans-5.3.12.jar;C:\Users\tianyu.wang\.m2\repository\org\springframework\spring-webmvc\5.3.12\spring-webmvc-5.3.12.jar;C:\Users\tianyu.wang\.m2\repository\org\springframework\spring-aop\5.3.12\spring-aop-5.3.12.jar;C:\Users\tianyu.wang\.m2\repository\org\springframework\spring-context\5.3.12\spring-context-5.3.12.jar;C:\Users\tianyu.wang\.m2\repository\org\springframework\spring-expression\5.3.12\spring-expression-5.3.12.jar;C:\Users\tianyu.wang\.m2\repository\mysql\mysql-connector-java\8.0.27\mysql-connector-java-8.0.27.jar;C:\Users\tianyu.wang\.m2\repository\org\projectlombok\lombok\1.18.22\lombok-1.18.22.jar;C:\Users\tianyu.wang\.m2\repository\org\slf4j\slf4j-api\1.7.32\slf4j-api-1.7.32.jar;C:\Users\tianyu.wang\.m2\repository\org\hamcrest\hamcrest\2.2\hamcrest-2.2.jar;C:\Users\tianyu.wang\.m2\repository\org\springframework\spring-core\5.3.12\spring-core-5.3.12.jar;C:\Users\tianyu.wang\.m2\repository\org\springframework\spring-jcl\5.3.12\spring-jcl-5.3.12.jar;C:\Users\tianyu.wang\.m2\repository\junit\junit\4.13.1\junit-4.13.1.jar;C:\Users\tianyu.wang\.m2\repository\org\hamcrest\hamcrest-core\2.2\hamcrest-core-2.2.jar;C:\Users\tianyu.wang\.m2\repository\org\springframework\boot\spring-boot-test\2.5.6\spring-boot-test-2.5.6.jar;C:\Users\tianyu.wang\.m2\repository\org\springframework\boot\spring-boot\2.5.6\spring-boot-2.5.6.jar;C:\Users\tianyu.wang\.m2\repository\org\springframework\spring-test\5.3.12\spring-test-5.3.12.jar com.SetApplication
2021-11-14 13:09:22,447 -
***************************
APPLICATION FAILED TO START
***************************
Description:
Failed to bind properties under 'logging.level' to java.util.Map<java.lang.String, org.springframework.boot.logging.LogLevel>:
Reason: org.springframework.core.convert.ConverterNotFoundException: No converter found capable of converting from type [java.lang.String] to type [java.util.Map<java.lang.String, org.springframework.boot.logging.LogLevel>]
Action:
Update your application's configuration
The process has ended with exit code 1
Screenshot
Solution:
application.yml files
logging:
pattern:
console: "%d - %msg%n" # %d represents the date %msg log information %n wraps
file:
path: D:/java/setlog
level:
root: info
When spring integrates mybatis, such an error is reported because the package name is created incorrectly when the mapper.xml file is created in the resources directory. Because the package cannot be created under resources, only the folder directory can be created. The key point is (the folder cannot be in the form of “.”), so it can’t be lazy and easy. The directory should be created level by level
1. Problem description
An error is reported when executing the unit test
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m\vaadin\external\google\android-json\0.0.20131108.vaadin1\android-json-0.0.20131108.vaadin1.jar;E:\Maven\MavenLocalRepository\maven_repository\org\springframework\spring-core\5.2.5.RELEASE\spring-core-5.2.5.RELEASE.jar;E:\Maven\MavenLocalRepository\maven_repository\org\springframework\spring-jcl\5.2.5.RELEASE\spring-jcl-5.2.5.RELEASE.jar;E:\Maven\MavenLocalRepository\maven_repository\org\springframework\spring-test\5.2.5.RELEASE\spring-test-5.2.5.RELEASE.jar;E:\Maven\MavenLocalRepository\maven_repository\org\xmlunit\xmlunit-core\2.6.4\xmlunit-core-2.6.4.jar" com.intellij.rt.junit.JUnitStarter -ideVersion5 -junit5 henu.soft.xiaosi.thirdparty.ThirdPartyApplicationTests,test1
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/E:/%e9%a1%b9%e7%9b%ae/%e5%b7%a5%e5%8d%95%e7%bb%b4%e4%bf%ae/repire-work-order/third-party/lib/masmgc.sdk.sms-0.0.1-SNAPSHOT.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/E:/Maven/MavenLocalRepository/maven_repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [ch.qos.logback.classic.util.ContextSelectorStaticBinder]
Test ignored.
java.lang.IllegalStateException: Could not load TestContextBootstrapper [null]. Specify @BootstrapWith's 'value' attribute or make the default bootstrapper class available.
at org.springframework.test.context.BootstrapUtils.resolveTestContextBootstrapper(BootstrapUtils.java:144)
at org.springframework.test.context.TestContextManager.<init>(TestContextManager.java:122)
at org.junit.jupiter.engine.execution.ExtensionValuesStore.lambda$getOrComputeIfAbsent$0(ExtensionValuesStore.java:81)
at org.junit.jupiter.engine.execution.ExtensionValuesStore$MemoizingSupplier.get(ExtensionValuesStore.java:182)
at org.junit.jupiter.engine.execution.ExtensionValuesStore.getOrComputeIfAbsent(ExtensionValuesStore.java:84)
at org.junit.jupiter.engine.execution.ExtensionValuesStore.getOrComputeIfAbsent(ExtensionValuesStore.java:88)
at org.junit.jupiter.engine.execution.NamespaceAwareStore.getOrComputeIfAbsent(NamespaceAwareStore.java:61)
at org.springframework.test.context.junit.jupiter.SpringExtension.getTestContextManager(SpringExtension.java:213)
at org.springframework.test.context.junit.jupiter.SpringExtension.beforeAll(SpringExtension.java:77)
at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeBeforeAllCallbacks$7(ClassBasedTestDescriptor.java:355)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.invokeBeforeAllCallbacks(ClassBasedTestDescriptor.java:355)
at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.before(ClassBasedTestDescriptor.java:189)
at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.before(ClassBasedTestDescriptor.java:77)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:132)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:125)
at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:135)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:123)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:122)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:80)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1540)
at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$5(NodeTestTask.java:139)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:125)
at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:135)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:123)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:122)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:80)
at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:32)
at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57)
at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:51)
at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:229)
at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$6(DefaultLauncher.java:197)
at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:211)
at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:191)
at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:128)
at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:69)
at com.intellij.rt.junit.IdeaTestRunner$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)
Suppressed: java.lang.IllegalStateException: Could not load TestContextBootstrapper [null]. Specify @BootstrapWith's 'value' attribute or make the default bootstrapper class available.
at org.springframework.test.context.BootstrapUtils.resolveTestContextBootstrapper(BootstrapUtils.java:144)
at org.springframework.test.context.TestContextManager.<init>(TestContextManager.java:122)
at org.junit.jupiter.engine.execution.ExtensionValuesStore.lambda$getOrComputeIfAbsent$0(ExtensionValuesStore.java:81)
at org.junit.jupiter.engine.execution.ExtensionValuesStore$MemoizingSupplier.get(ExtensionValuesStore.java:182)
at org.junit.jupiter.engine.execution.ExtensionValuesStore.remove(ExtensionValuesStore.java:98)
at org.junit.jupiter.engine.execution.NamespaceAwareStore.remove(NamespaceAwareStore.java:73)
at org.springframework.test.context.junit.jupiter.SpringExtension.afterAll(SpringExtension.java:89)
at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeAfterAllCallbacks$13(ClassBasedTestDescriptor.java:421)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeAfterAllCallbacks$14(ClassBasedTestDescriptor.java:421)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1540)
at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.invokeAfterAllCallbacks(ClassBasedTestDescriptor.java:421)
at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.after(ClassBasedTestDescriptor.java:213)
at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.after(ClassBasedTestDescriptor.java:77)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:145)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$7(NodeTestTask.java:145)
... 27 more
Caused by: java.lang.NoSuchMethodError: org.springframework.core.annotation.AnnotatedElementUtils.findAllMergedAnnotations(Ljava/lang/reflect/AnnotatedElement;Ljava/lang/Class;)Ljava/util/Set;
at org.springframework.test.context.BootstrapUtils.resolveExplicitTestContextBootstrapper(BootstrapUtils.java:152)
at org.springframework.test.context.BootstrapUtils.resolveTestContextBootstrapper(BootstrapUtils.java:127)
... 43 more
Caused by: java.lang.NoSuchMethodError: org.springframework.core.annotation.AnnotatedElementUtils.findAllMergedAnnotations(Ljava/lang/reflect/AnnotatedElement;Ljava/lang/Class;)Ljava/util/Set;
at org.springframework.test.context.BootstrapUtils.resolveExplicitTestContextBootstrapper(BootstrapUtils.java:152)
at org.springframework.test.context.BootstrapUtils.resolveTestContextBootstrapper(BootstrapUtils.java:127)
... 43 more
Process finished with exit code -1
When searching the reason, you know that it should be a dependency conflict and start checking the dependency
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>henu.soft.xiaosi</groupId>
<artifactId>third-party</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>third-party</name>
<description>Third party service</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.2.6.RELEASE</version>
</parent>
<properties>
<java.version>1.8</java.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<commons-lang3.version>3.3.2</commons-lang3.version>
<commons-io.version>1.3.2</commons-io.version>
<commons-net.version>3.3</commons-net.version>
<commons-fileupload.version>1.3.1</commons-fileupload.version>
</properties>
<dependencies>
<!-- Tencent Cloud SMS Service-->
<!-- Tencent Cloud Java SDK dependency -->
<dependency>
<groupId>com.tencentcloudapi</groupId>
<artifactId>tencentcloud-sdk-java</artifactId>
<version>3.1.297</version>
</dependency>
<!-- redis-->
<!-- <dependency>-->
<!-- <groupId>org.springframework.boot</groupId>-->
<!-- <artifactId>spring-boot-starter-data-redis</artifactId>-->
<!-- </dependency>-->
<!--In order to solve the problem of out-of-heap memory overflow caused by the bug of luttce, use the jedis client operationredis-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-redis</artifactId>
<exclusions>
<exclusion>
<groupId>io.lettuce</groupId>
<artifactId>lettuce-core</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
</dependency>
<!-- ftp file upload-->
<!-- Apache tool components -->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>${commons-lang3.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-io</artifactId>
<version>${commons-io.version}</version>
</dependency>
<dependency>
<groupId>commons-net</groupId>
<artifactId>commons-net</artifactId>
<version>${commons-net.version}</version>
</dependency>
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>${commons-fileupload.version}</version>
</dependency>
<!-- OOS依赖-->
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alicloud-oss</artifactId>
<version>2.1.0.RELEASE</version>
</dependency>
<!-- Registry-->
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
<version>2.2.2.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-openfeign</artifactId>
<version>2.2.6.RELEASE</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<version>2.2.6.RELEASE</version>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>2.2.6.RELEASE</version>
<configuration>
<mainClass>henu.soft.xiaosi.thirdparty.ThirdPartyApplication</mainClass>
</configuration>
<executions>
<execution>
<id>repackage</id>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
2、 Try to solve
No matter how you try to change the dependency, you still report errors all the time. Finally, you have no choice but to re create a sub module (note that there is no jar package of the SDK of the mobile MAS!!!, which can run), and a new POM file
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>henu.soft.xiaosi</groupId>
<artifactId>third</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>third</name>
<description>Third party service</description>
<properties>
<java.version>11</java.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<spring-boot.version>2.3.7.RELEASE</spring-boot.version>
<spring-cloud-alibaba.version>2.2.2.RELEASE</spring-cloud-alibaba.version>
<spring-cloud.version>Hoxton.SR9</spring-cloud.version>
</properties>
<dependencies>
<!-- Registry-->
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
<version>2.2.2.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-openfeign</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>
</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>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-dependencies</artifactId>
<version>${spring-boot.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-alibaba-dependencies</artifactId>
<version>${spring-cloud-alibaba.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>11</source>
<target>11</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>2.3.7.RELEASE</version>
<configuration>
<mainClass>henu.soft.xiaosi.third.ThirdApplication</mainClass>
</configuration>
<executions>
<execution>
<id>repackage</id>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
Then the unit test does not report an error, and the next step is to copy the things of the old module to the new module (that is, the mobile MAS package)
Because the module needs to use a third-party jar package, and then add aslibiary, and then start the test and report an error again……!!!
Then remove lib and add it again, but it still doesn’t work…!!!
For the last operation, I just want to say TMD. The solution is to select Global Library and then confirm. Try again. It can run this time, but it is really one-time… An error is reported when running again
This may also be caused by the error of adding external jar packages. In addition, it seems that the main class can only succeed and fail in testing or starting. This should be the problem of jar packages
3. Problem solving
After tossing for a long time, I finally said in an article that is the reason for moving the SDK of MAS, because there are a lot of spring dependencies in the SDK package…
When writing the SDK, try not to use the framework. If you can use the method provided by JDK, use the method provided by JDK, otherwise it will cause a lot of trouble to those who use your SDK.
1. First, delete the dependencies in the jar
It mainly depends on spring and slf4j. Use 7z to open and delete it. After deletion
2. Install the SDK jar package into the Maven local library
What I choose here is to package the jar and put it in the local warehouse, and switch to the folder where the jar is located
mvn install:install-file
-Dfile=masmgc.sdk.sms-0.0.1-SNAPSHOT.jar
-DgroupId=com.masmgc.sms
-DartifactId=masmgc-sdk-sms
-Dversion=0.0.1-SNAPSHOT
-Dpackaging=jar
Then it is introduced in the POM file
<!-- Mobile SMS-->
<dependency>
<groupId>com.masmgc.sms</groupId>
<artifactId>masmgc-sdk-sms</artifactId>
<version>0.0.1-SNAPSHOT</version>
Testing
The error information is as follows:
Caused by inconsistent JDK environment
Exception in thread "main" java.lang.UnsupportedClassVersionError: org/springframework/boot/loader/JarLauncher : Unsupported major.minor version 52.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:482)Solution:
First, download the appropriate JDK on the Linux server. I have re downloaded JDK1.8, and the original 1.7 has been installed
Start command:
To find the installation directory of JDK, start the project through the corresponding version of JDK
nohup /usr/local/jdk8/bin/java -jar -Dspring.profiles.active=test read.jar &
The defineclass() method actually converts byte bytes into class objects
I always thought that the problem in the above picture was that the path could not be found, so I kept changing various paths. As a result, it was wrong to try. As a result, I looked at a blog and directly passed the empty parameters. I took a try attitude. I found that it was right and did not report an error. Suddenly, I found that alas, how can it be empty, Click the converted class to see the data, and then assign the value to the parameter according to that
Just change the ASM/asmhelloworld parameter to asm.asmhelloworld.
Done!
Initial exception
org.springframework.http.converter.HttpMessageNotWritableException: No converter for [class com.cdw.common.core.model.Resp] with preset Content-Type 'text/json;charset=UTF-8'Solution:
Set ↓
resp.setContentType("text/json");Change to ↓
resp.setContentType("application/json");Then another exception occurs
java.lang.IllegalStateException: getOutputStream() has already been called for this responseSolution:
Set ↓
this.writeObjectToJson(resp, this.reportProviders);Change to ↓
this.writeObjectToJson(resp, JSONObject.toJSON(this.reportProviders));Full screenshot after modification:
Completely solve the error reported by com.baomidou in idea
Add in pom.xml:
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
<version>3.4.2<ersion>
</dependency>
Clear all mybatis and mybatis plus related configurations in the YML file and add:
mybatis-plus:
type-aliases-package: com.peanut.entity
mapper-locations: classpath:mappers
Select the item and right-click Maven -> Reload project
as shown in the figure, com.baidu no longer turns red:
Premise: connect Huawei ECS purchased by individuals on the xshell platform, install redis, and build a master-slave replication architecture on a single machine
Problem: after the setup is completed, start the slave node. The slave node Ping the master node succeeds, but the master status is displayed as down, and the background log prompts that the connection times out. As shown below:
Solution:
1. Check the configuration of the slave node: is replicaof correct.
It should be configured as the IP of Linux and the redis port of the master node
2. Check whether the master node is configured with a password. If so, the slave node also needs to be configured with a password
3. Check whether the Ping configuration of the primary node configures a single non own IP. If so, comment it out or change it to 0.0.0.0
4. Check whether the firewall is on. There are two types of firewalls
1. Iptables firewall
View firewall service iptables status If this firewall is not installed, the query will fail.
Stop firewall service iptables stop
Turn on the firewall service iptables start
service iptables restart service iptables restart
Permanently turn off the firewall chkconfig iptables off
Restart firewall after permanent shutdown chkconfig iptables on
2.Firewall firewall
View firewall service status systemctl status firewalld
Turn off firewall service firewalld stop
View firewall rules firewall-cmd --list-all
Permanently open 80 ports firewall-cmd --permanent --add-port=80/tcp
service iptables restart firewall-cmd --reload (restart after modifying firewall configuration)
4. After I tried the above, I still reported the same error. Finally, I found that the IP configuration of my slave node replicaof was wrong. I mistakenly thought that the IP connected to xshell was the Linux IP I should configure. Who knows, I actually need to use my local IP 127.0.0.1
Solution:
1. Add lombok.config configuration file in the same directory of springboot boot boot class
Content:
config.stopBubbling=true
lombok.equalsAndHashCode.callSuper=call
1. Status. The 1.6.2 jar package is configured in Maven
The solution is to try to add Maven dependency again and replace the invalid jar package version
Finally, create the Lib package manually, copy the downloaded jar package to this directory, and then add it to the library. Add as library is successful
