我一直在尝试使用带有Java和Koltin的maven来构建Spring Boot应用程序。没有错误,没有任何错误,但是在运行它时,它只会显示NoDefClassException,并且找不到我的异常,我的存储库,基本上没有任何来自kotlin的东西。
这是我来自pom.xml的插件
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<compilerArgs>
<arg>-parameters</arg>
</compilerArgs>
</configuration>
</plugin>
<plugin>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-maven-plugin</artifactId>
<configuration>
<args>
<arg>-Xjsr305=strict</arg>
</args>
<compilerPlugins>
<plugin>spring</plugin>
</compilerPlugins>
</configuration>
<dependencies>
<dependency>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-maven-allopen</artifactId>
<version>${kotlin.version}</version>
</dependency>
</dependencies>
<executions>
<execution>
<id>compile</id>
<phase>process-sources</phase>
<goals>
<goal>compile</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<executions>
<execution>
<id>compile</id>
<phase>compile</phase>
<goals>
<goal>compile</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>com.microsoft.azure</groupId>
<artifactId>azure-webapp-maven-plugin</artifactId>
<version>1.9.1</version>
<configuration>
<schemaVersion>V2</schemaVersion>
<resourceGroup>media-services</resourceGroup>
<appName>companysystemservices</appName>
<pricingTier>F1</pricingTier>
<region>westeurope</region>
<runtime>
<os>linux</os>
<javaVersion>java11</javaVersion>
<webContainer>java11</webContainer>
</runtime>
<deployment>
<resources>
<resource>
<directory>${project.basedir}/target</directory>
<includes>
<include>*.jar</include>
</includes>
</resource>
</resources>
</deployment>
</configuration>
</plugin>
</plugins>
</build>
我如何让它们在这里编译和运行所有内容?编辑:我的包资源管理器是这样的:
src/main/java
com.company
annotations
config
controllers
daos
dtos
model
services
utils
CompanyApp.java
模型中有3个kotlin,第一个包含10个异常,第二个包含12个存储库,最后3个sql投影作为数据类。我还添加了CommandLineRunner并尝试引发异常,得到了以下信息:
java.lang.NoClassDefFoundError: com/company/model/BadRequest400Exception
at com.company.CompanyApplication.run(CompanyApplication.java:20) ~[classes/:na]
at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:795) ~[spring-boot-2.3.4.RELEASE.jar:2.3.4.RELEASE]
at org.springframework.boot.SpringApplication.callRunners(SpringApplication.java:779) ~[spring-boot-2.3.4.RELEASE.jar:2.3.4.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:322) ~[spring-boot-2.3.4.RELEASE.jar:2.3.4.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1237) ~[spring-boot-2.3.4.RELEASE.jar:2.3.4.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) ~[spring-boot-2.3.4.RELEASE.jar:2.3.4.RELEASE]
at com.company.CompanyApplication.main(CompanyApplication.java:15) ~[classes/:na]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na]
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:566) ~[na:na]
at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49) ~[spring-boot-devtools-2.3.4.RELEASE.jar:2.3.4.RELEASE]
Caused by: java.lang.ClassNotFoundException: com.company.model.BadRequest400Exception
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581) ~[na:na]
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178) ~[na:na]
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521) ~[na:na]
at java.base/java.lang.Class.forName0(Native Method) ~[na:na]
at java.base/java.lang.Class.forName(Class.java:398) ~[na:na]
at org.springframework.boot.devtools.restart.classloader.RestartClassLoader.loadClass(RestartClassLoader.java:144) ~[spring-boot-devtools-2.3.4.RELEASE.jar:2.3.4.RELEASE]
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521) ~[na:na]
... 12 common frames omitted
我试图在本地的Eclipse上运行它,并且在intellij上运行良好。但是eclipse是免费的,所以我更喜欢eclipse,但似乎无法使用它。
最佳答案
是的,有可能。据我在您的项目结构中看到的,您在Java源代码下有Kotlin代码。我在gradle和IntelliJ中使用了这种方法,但是应该在Eclipse和Maven中使用。
例如,如果您有
src/main/java
com.company
config
JavaConfig.java
KotlinConfig.kt
您需要将Java和Kotlin源代码分开。src/main/java
com.company
config
JavaConfig.java
src/main/kotlin
com.company
config
KotlinConfig.kt
关于java - 是否可以使用Java和kotlin创建Spring Boot应用程序?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/64311128/