我对Spring靴还不熟悉。我使用Spring靴1.5.1 GA和Spring靴的Neo4j启动器。我试图创建我的第一个集成测试,以确定是否可以将新对象插入到图形数据库中。这是我的测试课:
package hu.bookandwalk;
import static org.junit.Assert.assertEquals;
import java.time.LocalDateTime;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.neo4j.ogm.testutil.TestServer;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringRunner;
import hu.bookandwalk.domain.Address;
import hu.bookandwalk.domain.InvoiceData;
import hu.bookandwalk.domain.User;
import hu.bookandwalk.repository.UserRepository;
import java.util.HashSet;
import java.util.Set;
@ContextConfiguration(classes = {PersistenceTestContext.class})
@RunWith(SpringRunner.class)
@SpringBootTest
public class BnWEbookstoreApplicationTests {
private static TestServer testServer;
@Autowired
UserRepository userRepository;
@BeforeClass
public static void setupTestServer() {
/* just a port without any intention */
testServer = new TestServer.Builder().build();
}
@AfterClass
public static void stopTestServer() {
testServer.shutdown();
}
@Test
public void ShouldInsertUser() {
Address a=new Address("Hungary","Budapest","1092","Erkel street 9",LocalDateTime.now());
InvoiceData invoiceData=new InvoiceData("BandW", "233456", true, a, LocalDateTime.now());
Set<InvoiceData> invoiceDatas=new HashSet<InvoiceData>();
invoiceDatas.add(invoiceData);
Set<Address> addresses=null;
User u=new User(1l,"Roland","email@gmail.com","pwd",true,LocalDateTime.now(), true,invoiceDatas,addresses);
userRepository.save(u);
assertEquals(1l, userRepository.count());
}
PeristentTestContext专门用于测试数据库操作。在这个类中,我设置了用于测试的嵌入式驱动程序:
package hu.bookandwalk;
import org.neo4j.ogm.drivers.embedded.driver.EmbeddedDriver;
import org.neo4j.ogm.session.SessionFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.neo4j.repository.config.EnableNeo4jRepositories;
import org.springframework.data.neo4j.transaction.Neo4jTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;
@Configuration
@EnableNeo4jRepositories("org.neo4j.cineasts.repository")
@EnableTransactionManagement
@ComponentScan("hu.bookandwalk")
public class PersistenceTestContext {
@Bean
public org.neo4j.ogm.config.Configuration configuration() {
final org.neo4j.ogm.config.Configuration configuration = new org.neo4j.ogm.config.Configuration();
configuration.driverConfiguration().setDriverClassName(EmbeddedDriver.class.getName());
return configuration;
}
@Bean
public SessionFactory sessionFactory() {
return new SessionFactory(configuration(), "hu.bookandwalk.domain");
}
@Bean
public PlatformTransactionManager transactionManager() {
return new Neo4jTransactionManager(sessionFactory());
}
}
不幸的是,当我从STS IDE运行测试时,甚至在测试可以验证之前,我就收到了以下错误消息:
java.lang.NoClassDefFoundError: org/eclipse/jetty/server/SessionManager
at org.neo4j.server.CommunityNeoServer.createWebServer(CommunityNeoServer.java:89)
at org.neo4j.server.AbstractNeoServer.init(AbstractNeoServer.java:181)
at org.neo4j.server.AbstractNeoServer.start(AbstractNeoServer.java:196)
at org.neo4j.harness.internal.InProcessServerControls.start(InProcessServerControls.java:72)
at org.neo4j.harness.internal.AbstractInProcessServerBuilder.newServer(AbstractInProcessServerBuilder.java:137)
at org.neo4j.ogm.testutil.TestServer.startServer(TestServer.java:73)
at org.neo4j.ogm.testutil.TestServer.<init>(TestServer.java:55)
at org.neo4j.ogm.testutil.TestServer.<init>(TestServer.java:37)
at org.neo4j.ogm.testutil.TestServer$Builder.build(TestServer.java:239)
at hu.bookandwalk.BnWEbookstoreApplicationTests.setupTestServer(BnWEbookstoreApplicationTests.java:36)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:191)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:678)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
Caused by: java.lang.ClassNotFoundException: org.eclipse.jetty.server.SessionManager
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 29 more
java.lang.NullPointerException
at hu.bookandwalk.BnWEbookstoreApplicationTests.stopTestServer(BnWEbookstoreApplicationTests.java:41)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:33)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:191)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:678)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
当我创建我的项目时,我使用了Spring Starter项目模板。据我所知,除了Spring Boot放置的依赖项之外,我没有将任何其他依赖项放入我的pom.xml中。我只添加了一些属性,例如让thymeleaf使用版本3而不是2。您可以在此处看到我的pom.xml:
<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.example</groupId>
<artifactId>demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>BnWEbookstore</name>
<description>Book and Walk e-book webáruház</description>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.1.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<thymeleaf.version>3.0.3.RELEASE</thymeleaf.version>
<thymeleaf-layout-dialect.version>2.1.2</thymeleaf-layout-dialect.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-cache</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-neo4j</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-rest</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-rest-hal-browser</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-hateoas</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-mail</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-mobile</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-social-facebook</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-social-twitter</artifactId>
</dependency>
<dependency>
<groupId>org.thymeleaf</groupId>
<artifactId>thymeleaf-spring4</artifactId>
</dependency>
<dependency>
<groupId>org.thymeleaf.extras</groupId>
<artifactId>thymeleaf-extras-java8time</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-validation</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.neo4j</groupId>
<artifactId>neo4j-ogm-test</artifactId>
<version>2.1.1</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>spring-snapshots</id>
<name>Spring Snapshots</name>
<url>https://repo.spring.io/snapshot</url>
<snapshots>
<enabled>true</enabled>
</snapshots>
</repository>
<repository>
<id>spring-milestones</id>
<name>Spring Milestones</name>
<url>https://repo.spring.io/milestone</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>spring-snapshots</id>
<name>Spring Snapshots</name>
<url>https://repo.spring.io/snapshot</url>
<snapshots>
<enabled>true</enabled>
</snapshots>
</pluginRepository>
<pluginRepository>
<id>spring-milestones</id>
<name>Spring Milestones</name>
<url>https://repo.spring.io/milestone</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
</pluginRepository>
</pluginRepositories>
当我检查传递依赖关系时,我看到neo4j ogm测试间接拉动了jetty服务器9.4.1。知道是什么导致了这个问题吗?
Spring Boot的默认版本Jetty较新,并且与Neo4j的嵌入式Jetty服务器所需的版本不兼容。您可以通过强制使用Spring Boot使用的Jetty版本来解决此问题。要使用Gradle执行此操作,您需要在build.gradle
中指定以下内容:
ext['jetty.version'] = '9.2.9.v20150224'
对马文来说,我想应该是:
<jetty.version>9.2.9.v20150224</jetty.version>
请注意<代码>9.2.9。v20150224应替换为您使用的Neo4j版本所需的Jetty的任何可传递版本。
获取有效设置的快捷方式是在本地安装neo4j并检查 /lib目录以找到neo4j版本和jetty-server之间的良好匹配
我在运行spring-data-neo4j的“香草”安装时也遇到了同样的错误。根据neo4j的默认安装,我可以发现以下兼容版本:
Spring Boot希望我运行jetty-*2.3.*,SessionManager由于某种原因被删除了。
似乎缺少对嵌入式驱动程序的依赖。如果您将以下内容添加到POM中,是否有效?
<dependency>
<groupId>org.neo4j</groupId>
<artifactId>neo4j-ogm-embedded-driver</artifactId>
<version>${neo4j-ogm.version}</version>
<scope>test</scope>
</dependency>
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