Spring Boot 1.5.13-QueryDSL Query ClassNotFoundException？

Question

我将Spring Boot 1.5.13与QueryDSL一起使用，每当我向控制器发出调用时，我都会得到以下ClassNotFoundException

Caused by: java.lang.ClassNotFoundException: api.model.QAddress
    at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[na:1.8.0_121]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_121]
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) ~[na:1.8.0_121]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_121]
    at org.springframework.boot.devtools.restart.classloader.RestartClassLoader.loadClass(RestartClassLoader.java:161) ~[spring-boot-devtools-1.5.13.RELEASE.jar:1.5.13.RELEASE]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_121]
    ... 211 common frames omitted

        <dependency> 
            <groupId>com.querydsl</groupId> 
            <artifactId>querydsl-apt</artifactId> 
        </dependency>
        <dependency> 
            <groupId>com.querydsl</groupId> 
            <artifactId>querydsl-jpa</artifactId> 
        </dependency>

         <plugin>
                <groupId>com.mysema.maven</groupId>
                <artifactId>maven-apt-plugin</artifactId>
                <version>1.0</version>
                <executions>
                    <execution>
                        <goals>
                            <goal>process</goal>
                        </goals>
                        <configuration>
                            <outputDirectory>target/generated-sources</outputDirectory>
                            <processor>com.querydsl.apt.jpa.JPAAnnotationProcessor</processor>
                        </configuration>
                    </execution>
                </executions>
            </plugin>

Answer 1

在构建或部署应用程序时，只需验证任何特定jar（在您的例子中，可能是与QAddress类相关的jar）是否存在任何警告，如无效的loc头（错误的签名）。

如果它对任何jar都显示此错误，那么从。m2存储库中删除该文件夹并重新构建它，然后它将再次下载该jar并尝试重新启动应用程序。