在我开始之前:是的,在这方面也有类似的问题,但是没有一个问题和我有相同的环境和设置(大部分问题都与gradle构建相关,很多问题甚至与Spring无关)
此外,这令人困惑,因为只有在尝试使用Spring的Cassandra依赖项时才会发生这种情况:
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-cassandra</artifactId>
</dependency>
但是,每当我尝试启动应用程序时,每次都会运行下一个异常!
java.lang.NoClassDefFoundError: Could not initialize class org.codehaus.groovy.vmplugin.v7.Java7
我不明白为什么会发生这种情况,因为我甚至没有使用Gradle!我在使用Maven,就像在我的Spring项目中一样,但是只有当我添加Spring数据Cassandra依赖项时,这个问题才会发生。
我认为在pom文件中添加org.codehaus.groovy
依赖项可以解决这个问题,但仍然不能工作!
正如标题所述,我在MacOs上安装了JDK 14。我的JDK与任何非cassandra spring引导项目中的任何其他依赖项一样工作。
spring-data-cassandra是否需要另一个依赖项?只能和Gradle一起用吗?
如果有人能帮我个忙,我会非常感激的。我不知道这会是什么,卡桑德拉的支持在网络上是非常有限的。
感谢您的阅读!
这是我的POM文件:
<?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>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.3.4.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.cassandra</groupId>
<artifactId>example</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>example</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>11</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-cassandra</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</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>
<!-- https://mvnrepository.com/artifact/org.codehaus.groovy/groovy-all -->
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-all</artifactId>
<version>3.0.6</version>
<type>pom</type>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
下面是异常的完整堆栈跟踪:
java.lang.NoClassDefFoundError: Could not initialize class org.codehaus.groovy.vmplugin.v7.Java7
at org.codehaus.groovy.vmplugin.VMPluginFactory.<clinit>(VMPluginFactory.java:43)
at org.codehaus.groovy.reflection.GroovyClassValueFactory.<clinit>(GroovyClassValueFactory.java:35)
at org.codehaus.groovy.reflection.ClassInfo.<clinit>(ClassInfo.java:107)
at org.codehaus.groovy.reflection.ReflectionCache.getCachedClass(ReflectionCache.java:95)
at org.codehaus.groovy.reflection.ReflectionCache.<clinit>(ReflectionCache.java:39)
at org.codehaus.groovy.runtime.metaclass.MetaClassRegistryImpl.registerMethods(MetaClassRegistryImpl.java:209)
at org.codehaus.groovy.runtime.metaclass.MetaClassRegistryImpl.<init>(MetaClassRegistryImpl.java:107)
at org.codehaus.groovy.runtime.metaclass.MetaClassRegistryImpl.<init>(MetaClassRegistryImpl.java:85)
at groovy.lang.GroovySystem.<clinit>(GroovySystem.java:36)
at org.springframework.beans.factory.groovy.GroovyBeanDefinitionReader.<init>(GroovyBeanDefinitionReader.java:150)
at org.springframework.boot.BeanDefinitionLoader.<init>(BeanDefinitionLoader.java:85)
at org.springframework.boot.SpringApplication.createBeanDefinitionLoader(SpringApplication.java:738)
at org.springframework.boot.SpringApplication.load(SpringApplication.java:681)
at org.springframework.boot.SpringApplication.prepareContext(SpringApplication.java:392)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:314)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1237)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226)
at com.cassandra.example.ExampleApplication.main(ExampleApplication.java:21)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49)
2020-10-25 14:00:14.948 ERROR 5918 --- [ restartedMain] o.s.boot.SpringApplication : Application run failed
发布于 2020-10-25 21:54:28
看起来依赖项之一是使用groovy的旧版本。如果使用命令检查依赖树:
mvn dependency:tree -Dincludes=org.codehaus.groovy
您可以看到它的依赖关系:
[INFO] com.example:demo:jar:0.0.1-SNAPSHOT
[INFO] \- org.springframework.boot:spring-boot-starter-data-cassandra:jar:2.3.4.RELEASE:compile
[INFO] \- org.springframework.data:spring-data-cassandra:jar:3.0.4.RELEASE:compile
[INFO] \- com.datastax.oss:java-driver-core:jar:4.6.1:compile
[INFO] \- org.apache.tinkerpop:gremlin-driver:jar:3.4.5:compile
[INFO] +- org.codehaus.groovy:groovy:jar:indy:2.5.7:compile
[INFO] \- org.codehaus.groovy:groovy-json:jar:indy:2.5.7:compile
一个临时的解决方案是排除这些依赖项,并将它们添加到更新版本中:
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-cassandra</artifactId>
<exclusions>
<exclusion>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy</artifactId>
</exclusion>
<exclusion>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-json</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy</artifactId>
<version>2.5.13</version>
</dependency>
<dependency>
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-json</artifactId>
<version>2.5.13</version>
</dependency>
https://stackoverflow.com/questions/64528469
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