[英]Getting package does not exists during wiring of beans in Spring test
我正在運行一個帶有測試的簡單spring應用程序,但出現以下錯誤,
[INFO] -------------------------------------------------------------
[ERROR] COMPILATION ERROR :
[INFO] -------------------------------------------------------------
[ERROR] /home/prateek/Workspace/Java/spring_in_action/Chapter 2 : Wiring beans/src/test/java/com/prateek/spring/test/CDPlayerTest.java:[11,38] package com.prateek.spring.soundsystem does not exist
[ERROR] /home/prateek/Workspace/Java/spring_in_action/Chapter 2 : Wiring beans/src/test/java/com/prateek/spring/test/CDPlayerTest.java:[12,38] package com.prateek.spring.soundsystem does not exist
[ERROR] /home/prateek/Workspace/Java/spring_in_action/Chapter 2 : Wiring beans/src/test/java/com/prateek/spring/test/CDPlayerTest.java:[13,38] package com.prateek.spring.soundsystem does not exist
[ERROR] /home/prateek/Workspace/Java/spring_in_action/Chapter 2 : Wiring beans/src/test/java/com/prateek/spring/test/CDPlayerTest.java:[21,17] cannot find symbol
symbol: class CompactDisc
location: class com.prateek.spring.test.CDPlayerTest
[ERROR] /home/prateek/Workspace/Java/spring_in_action/Chapter 2 : Wiring beans/src/test/java/com/prateek/spring/test/CDPlayerTest.java:[17,34] cannot find symbol
symbol: class CDPlayerConfig
[INFO] 5 errors
[INFO] -------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
以下是我的Java類和pox.xml
1.CDPlayerTest.java
package com.prateek.spring.test;
import static org.junit.Assert.assertNotNull;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import com.prateek.spring.soundsystem.CDPlayerConfig;
import com.prateek.spring.soundsystem.CompactDisc;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = {CDPlayerConfig.class})
public class CDPlayerTest {
@Autowired
private CompactDisc cd;
@Test
public void cdSHouldNotBeNull() {
System.out.println("Testing..................");
assertNotNull(cd);
}
}
2.CDPlayerConfig.java
package com.prateek.spring.soundsystem;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
@Configuration
@ComponentScan (basePackages= {"com.prateek.spring.soundsystem","com.prateek.spring.test"})
public class CDPlayerConfig {
public CDPlayerConfig() {
}
}
3.Song.java
package com.prateek.spring.soundsystem;
import org.springframework.stereotype.Component;
@Component
public class Song implements CompactDisc{
private String title = "A random song title";
private String artist = "Prateek Joshi";
public Song() {
// TODO Auto-generated constructor stub
}
public void play() {
System.out.println("Playing "+title+" by "+ artist);
}
}
4.CompactDisc.java
package com.prateek.spring.soundsystem;
public interface CompactDisc {
void play();
}
5. pom.xml
<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.prateek.spring</groupId>
<artifactId>component-scan</artifactId>
<version>0.0.1-SNAPSHOT</version>
<dependencies>
<!-- https://mvnrepository.com/artifact/org.springframework/spring-core -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>5.0.9.RELEASE</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.springframework/spring-context -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>5.0.8.RELEASE</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.springframework/spring-aspects -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>5.0.9.RELEASE</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.springframework/spring-context-support -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>5.1.0.RELEASE</version>
</dependency>
<!-- Spring test -->
<!-- https://mvnrepository.com/artifact/junit/junit -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.springframework/spring-test -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>4.3.18.RELEASE</version>
</dependency>
</dependencies>
</project>
我嘗試對您的pom.xml運行樣本測試:
我已經將其復制粘貼到示例項目中,並且測試已通過 (我使用了非常簡單的示例測試,而不是spring的東西):
package com.prateek.spring;
import org.junit.Assert;
import org.junit.Test;
public class SampleTest {
@Test
public void test() {
System.out.println("testing");
Assert.assertTrue( 1 + 1 == 2);
}
}
因此,問題可能出在Maven / sufrefire插件版本或Java交互上,而不是pom。
org.apache.maven.surefire.booter.ForkedBooter
會在任何測試運行之前加載(它是surefire插件的一部分)。
在分辨率方面,我建議您檢查Java版本(春季5至少需要Java 8,順便說一句)和maven,甚至可以升級surefire插件。
由於您尚未提供任何特定版本,因此很難說出更具體的內容。
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