多模块 spring 休眠，访问 dao 有困难，需要创建 spring bean xml？

Question

我制作多模块应用程序（vaadin，spring，休眠）我在访问 DAO（或模型，通常在持久性模块中具有持久性）时遇到很大问题

我需要在 core 中创建 spring xml bean 定义或在 中创建 spring bean ]web（在 applicationContext.xml 中）?

我收到错误：

services/TestService.java:[3,11] package dao does not exist
cannot find symbol  symbol:   class User
Generally core don't see persistence class

一般来说，我有 3 个模块：

核心
坚持
网络

核心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">
 <parent>
    <artifactId>eControl</artifactId>
    <groupId>pl.cwik.dawid</groupId>
    <version>1.0.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

<artifactId>core</artifactId>

<dependencies>
    <dependency>
        <groupId>pl.cwik.dawid</groupId>
        <artifactId>persistence</artifactId>
        <version>1.0-SNAPSHOT</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/org.springframework/spring-beans -->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-beans</artifactId>
        <version>4.3.11.RELEASE</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/org.springframework.data/spring-data-commons -->
    <dependency>
        <groupId>org.springframework.data</groupId>
        <artifactId>spring-data-commons</artifactId>
        <version>1.13.7.RELEASE</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/org.springframework.data/spring-data-jpa -->
    <dependency>
        <groupId>org.springframework.data</groupId>
        <artifactId>spring-data-jpa</artifactId>
        <version>1.11.7.RELEASE</version>
    </dependency>


</dependencies>

和持久化pom

<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">
<parent>
    <artifactId>eControl</artifactId>
    <groupId>pl.cwik.dawid</groupId>
    <version>1.0.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

<artifactId>persistence</artifactId>

<dependencies>
    <!-- https://mvnrepository.com/artifact/org.hibernate.javax.persistence/hibernate-jpa-2.1-api -->
    <dependency>
        <groupId>org.hibernate.javax.persistence</groupId>
        <artifactId>hibernate-jpa-2.1-api</artifactId>
        <version>1.0.0.Final</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/org.hibernate/hibernate-core -->
    <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-core</artifactId>
        <version>5.2.11.Final</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/javax.validation/validation-api -->
    <dependency>
        <groupId>javax.validation</groupId>
        <artifactId>validation-api</artifactId>
        <version>2.0.0.Final</version>
    </dependency>



    <!-- https://mvnrepository.com/artifact/org.postgresql/postgresql -->
    <dependency>
        <groupId>org.postgresql</groupId>
        <artifactId>postgresql</artifactId>
        <version>42.1.4</version>
    </dependency>


</dependencies>

Answer 1

问题是，maven项目persistence是版本1.0.0-SNAPSHOT。但是 core 依赖于 1.0-SNAPSHOT ，它要么是一个从未存在的版本，要么是一些旧版本丢失了一些文件。

Answer 2

问题通过评论@Vlasec 解决。

I noticed one problem in your XML. You are asking for persistence 1.0-SNAPSHOT, but your current version is 1.0.0-SNAPSHOT. That means you either get an older version, or you could also get no library at all if you never had 1.0-SNAPSHOT version. – Vlasec Nov 9 at 10:12

那是我的错，这真是一件愚蠢的事情！谢谢！

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