790477691 commented on issue #23796:
URL:
https://github.com/apache/shardingsphere/issues/23796#issuecomment-1409802183
@RaigorJiang An error occurred when I used shardingsphere-example-generator
to generate the use case. I just changed the version number from 5.3.1 to
5.3.2-SNAPSHOT, but an error occurred when I ran it
```text
Exception in thread "main" Cannot create property=products for
JavaBean=org.apache.shardingsphere.example.generator.core.yaml.config.YamlExampleConfiguration@23fe1d71
in 'reader', line 1, column 1:
output: ./examples/shardingspher ...
^
No single argument constructor found for interface java.util.List
in 'reader', line 2, column 11:
products: jdbc
^
at
org.yaml.snakeyaml.constructor.Constructor$ConstructMapping.constructJavaBean2ndStep(Constructor.java:321)
at
org.yaml.snakeyaml.constructor.Constructor$ConstructMapping.construct(Constructor.java:207)
at
org.yaml.snakeyaml.constructor.Constructor$ConstructYamlObject.construct(Constructor.java:358)
at
org.yaml.snakeyaml.constructor.BaseConstructor.constructObjectNoCheck(BaseConstructor.java:270)
at
org.yaml.snakeyaml.constructor.BaseConstructor.constructObject(BaseConstructor.java:253)
at
org.yaml.snakeyaml.constructor.BaseConstructor.constructDocument(BaseConstructor.java:207)
at
org.yaml.snakeyaml.constructor.BaseConstructor.getSingleData(BaseConstructor.java:191)
at org.yaml.snakeyaml.Yaml.loadFromReader(Yaml.java:477)
at org.yaml.snakeyaml.Yaml.loadAs(Yaml.java:443)
at
org.apache.shardingsphere.infra.util.yaml.YamlEngine.unmarshal(YamlEngine.java:55)
at
org.apache.shardingsphere.example.generator.core.ExampleGeneratorFactory.swapConfigToObject(ExampleGeneratorFactory.java:110)
at
org.apache.shardingsphere.example.generator.core.ExampleGeneratorFactory.buildExampleConfiguration(ExampleGeneratorFactory.java:72)
at
org.apache.shardingsphere.example.generator.core.ExampleGeneratorFactory.generate(ExampleGeneratorFactory.java:64)
at
org.apache.shardingsphere.example.generator.ExampleGeneratorMain.main(ExampleGeneratorMain.java:43)
Caused by: org.yaml.snakeyaml.error.YAMLException: No single argument
constructor found for interface java.util.List
at
org.yaml.snakeyaml.constructor.Constructor$ConstructScalar.construct(Constructor.java:417)
at
org.yaml.snakeyaml.constructor.BaseConstructor.constructObjectNoCheck(BaseConstructor.java:270)
at
org.yaml.snakeyaml.constructor.BaseConstructor.constructObject(BaseConstructor.java:253)
at
org.yaml.snakeyaml.constructor.Constructor$ConstructMapping.newInstance(Constructor.java:333)
at
org.yaml.snakeyaml.constructor.Constructor$ConstructMapping.constructJavaBean2ndStep(Constructor.java:298)
... 13 more
```
shardingsphere-example-generator config.xml
```text
output: ./examples/shardingsphere-example-generator/target/generated-sources/
products: jdbc
modes: standalone
transactions: local
features: sharding
frameworks: spring-namespace-jdbc
props:
host: localhost
port: 3306
username: root
password: root
```
shardingsphere-examples pom.xml
```text
<?xml version="1.0" encoding="UTF-8"?>
<!--
~ Licensed to the Apache Software Foundation (ASF) under one or more
~ contributor license agreements. See the NOTICE file distributed with
~ this work for additional information regarding copyright ownership.
~ The ASF licenses this file to You under the Apache License, Version 2.0
~ (the "License"); you may not use this file except in compliance with
~ the License. You may obtain a copy of the License at
~
~ http://www.apache.org/licenses/LICENSE-2.0
~
~ Unless required by applicable law or agreed to in writing, software
~ distributed under the License is distributed on an "AS IS" BASIS,
~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
~ See the License for the specific language governing permissions and
~ limitations under the License.
-->
<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
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
<modelVersion>4.0.0</modelVersion>
<groupId>org.apache.shardingsphere.example</groupId>
<artifactId>shardingsphere-examples</artifactId>
<version>${revision}</version>
<packaging>pom</packaging>
<name>${project.artifactId}</name>
<modules>
<module>example-core</module>
<module>shardingsphere-proxy-example</module>
<module>shardingsphere-parser-example</module>
<module>shardingsphere-example-generator</module>
</modules>
<properties>
<revision>5.3.2-SNAPSHOT</revision>
<java.version>1.8</java.version>
<maven.version.range>[3.0.4,)</maven.version.range>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.build.locale>zh_CN</project.build.locale>
<aspectjweaver.version>1.8.9</aspectjweaver.version>
<spring-framework.version>5.2.15.RELEASE</spring-framework.version>
<spring-boot.version>2.3.12.RELEASE</spring-boot.version>
<hikari-cp.version>3.4.2</hikari-cp.version>
<mysql-connector-java.version>5.1.47</mysql-connector-java.version>
<postgresql.version>42.4.1</postgresql.version>
<h2.version>2.1.214</h2.version>
<slf4j.version>1.7.7</slf4j.version>
<logback.version>1.2.10</logback.version>
<lombok.version>1.18.20</lombok.version>
<mybatis.version>3.5.9</mybatis.version>
<mybatis-spring.version>2.0.5</mybatis-spring.version>
<mybatis-spring-boot.version>2.1.3</mybatis-spring-boot.version>
<jpa.version>1.0.0.Final</jpa.version>
<hibernate.version>5.4.24.Final</hibernate.version>
<narayana.version>5.9.1.Final</narayana.version>
<jboss-transaction-spi.version>7.6.0.Final</jboss-transaction-spi.version>
<jboss-logging.version>3.2.1.Final</jboss-logging.version>
<btm.version>2.1.3</btm.version>
<seata.version>1.4.2</seata.version>
<junit4.version>4.13.2</junit4.version>
<hamcrest.version>1.3</hamcrest.version>
<mockito.version>2.7.21</mockito.version>
<apache-rat-plugin.version>0.12</apache-rat-plugin.version>
<maven-compiler-plugin.version>3.3</maven-compiler-plugin.version>
<maven-resources-plugin.version>2.7</maven-resources-plugin.version>
<maven-jar-plugin.version>3.2.0</maven-jar-plugin.version>
<maven-source-plugin.version>3.2.1</maven-source-plugin.version>
<freemarker.version>2.3.31</freemarker.version>
<snakeyaml.version>1.33</snakeyaml.version>
<flatten-maven-plugin.version>1.2.5</flatten-maven-plugin.version>
<javadocExecutable>${java.home}/../bin/javadoc</javadocExecutable>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>shardingsphere-sharding-core</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>shardingsphere-encrypt-core</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>shardingsphere-jdbc-core</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>shardingsphere-transaction-core</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>shardingsphere-transaction-xa-core</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>shardingsphere-transaction-xa-bitronix</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>shardingsphere-transaction-xa-narayana</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>shardingsphere-transaction-base-seata-at</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>shardingsphere-cluster-mode-repository-zookeeper</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>shardingsphere-cluster-mode-repository-etcd</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>shardingsphere-cluster-mode-repository-nacos</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>shardingsphere-infra-common</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>shardingsphere-sql-parser-engine</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>shardingsphere-sql-parser-mysql</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>shardingsphere-sql-parser-oracle</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>shardingsphere-sql-parser-sql92</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>shardingsphere-sql-parser-postgresql</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>shardingsphere-sql-parser-sqlserver</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>shardingsphere-sql-parser-opengauss</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>shardingsphere-parser-core</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.yaml</groupId>
<artifactId>snakeyaml</artifactId>
<version>${snakeyaml.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${spring-framework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>${spring-framework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring-framework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring-framework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring-framework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
<version>${spring-boot.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-aop</artifactId>
<version>${spring-boot.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
<version>${spring-boot.version}</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>${aspectjweaver.version}</version>
</dependency>
<dependency>
<groupId>org.hibernate.javax.persistence</groupId>
<artifactId>hibernate-jpa-2.1-api</artifactId>
<version>${jpa.version}</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>${hibernate.version}</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>${hibernate.version}</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>${mybatis-spring.version}</version>
</dependency>
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>${mybatis-spring-boot.version}</version>
</dependency>
<dependency>
<groupId>org.jboss.narayana.jta</groupId>
<artifactId>jta</artifactId>
<version>${narayana.version}</version>
</dependency>
<dependency>
<groupId>org.jboss.narayana.jts</groupId>
<artifactId>narayana-jts-integration</artifactId>
<version>${narayana.version}</version>
</dependency>
<dependency>
<groupId>org.jboss</groupId>
<artifactId>jboss-transaction-spi</artifactId>
<version>${jboss-transaction-spi.version}</version>
</dependency>
<dependency>
<groupId>org.jboss.logging</groupId>
<artifactId>jboss-logging</artifactId>
<version>${jboss-logging.version}</version>
</dependency>
<dependency>
<groupId>org.codehaus.btm</groupId>
<artifactId>btm</artifactId>
<version>${btm.version}</version>
</dependency>
<dependency>
<groupId>io.seata</groupId>
<artifactId>seata-all</artifactId>
<version>${seata.version}</version>
</dependency>
<dependency>
<groupId>org.freemarker</groupId>
<artifactId>freemarker</artifactId>
<version>${freemarker.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<version>${spring-boot.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring-framework.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>${lombok.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<version>${postgresql.version}</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql-connector-java.version}</version>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>${h2.version}</version>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>com.zaxxer</groupId>
<artifactId>HikariCP</artifactId>
<version>${hikari-cp.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<version>${slf4j.version}</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>${logback.version}</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit4.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>hamcrest-library</artifactId>
<version>${hamcrest.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-core</artifactId>
<version>${mockito.version}</version>
<scope>provided</scope>
<exclusions>
<exclusion>
<groupId>org.hamcrest</groupId>
<artifactId>hamcrest-core</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-inline</artifactId>
<version>${mockito.version}</version>
<scope>provided</scope>
</dependency>
</dependencies>
<profiles>
<profile>
<id>jdk11+</id>
<activation>
<jdk>[11,)</jdk>
</activation>
<properties>
<annotation-api.version>1.3.2</annotation-api.version>
</properties>
<dependencies>
<dependency>
<groupId>javax.annotation</groupId>
<artifactId>javax.annotation-api</artifactId>
<version>${annotation-api.version}</version>
</dependency>
</dependencies>
</profile>
</profiles>
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>${java.version}</source>
<target>${java.version}</target>
<testSource>${java.version}</testSource>
<testTarget>${java.version}</testTarget>
</configuration>
<version>${maven-compiler-plugin.version}</version>
</plugin>
<plugin>
<artifactId>maven-resources-plugin</artifactId>
<version>${maven-resources-plugin.version}</version>
</plugin>
<plugin>
<artifactId>maven-jar-plugin</artifactId>
<version>${maven-jar-plugin.version}</version>
</plugin>
<plugin>
<artifactId>maven-source-plugin</artifactId>
<version>${maven-source-plugin.version}</version>
<executions>
<execution>
<id>attach-sources</id>
<phase>verify</phase>
<goals>
<goal>jar-no-fork</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.rat</groupId>
<artifactId>apache-rat-plugin</artifactId>
<version>${apache-rat-plugin.version}</version>
<configuration>
<excludes>
<exclude>**/target/**</exclude>
<exclude>**/logs/**</exclude>
<exclude>**/*.log</exclude>
<!-- IDE files -->
<exclude>**/*.iml</exclude>
<exclude>**/.idea/**</exclude>
<exclude>**/*.classpath</exclude>
<exclude>**/.project</exclude>
<exclude>**/.settings/**</exclude>
<exclude>**/dependency-reduced-pom.xml</exclude>
<!-- git files -->
<exclude>**/.gitignore</exclude>
<exclude>**/.gitmodules</exclude>
<exclude>**/.git/**</exclude>
<!-- CI files -->
<exclude>**/.travis.yml</exclude>
<exclude>**/.mvn/jvm.config</exclude>
<exclude>**/.mvn/wrapper/maven-wrapper.properties</exclude>
<!-- GitHub files -->
<exclude>**/.github/**</exclude>
<!-- document files -->
<exclude>**/*.md</exclude>
<excldue>**/*.MD</excldue>
<exclude>**/*.txt</exclude>
<exclude>**/docs/**</exclude>
</excludes>
</configuration>
<executions>
<execution>
<phase>verify</phase>
<goals>
<goal>check</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>flatten-maven-plugin</artifactId>
<version>${flatten-maven-plugin.version}</version>
<configuration>
<updatePomFile>true</updatePomFile>
</configuration>
<executions>
<execution>
<id>flatten</id>
<phase>process-resources</phase>
<goals>
<goal>flatten</goal>
</goals>
</execution>
<execution>
<id>flatten.clean</id>
<phase>clean</phase>
<goals>
<goal>clean</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
```
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