Java Maven：包 io.swagger.annotations 不存在
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时间：2020-08-11 00:26:24 来源:igfitidea点击:
Maven: package io.swagger.annotations does not exist
提问by Sotnas
I want to document my project with swagger. I add swagger annotations and io.springfox dependencies to my project but when I run mvn clean packageI have a lot of errors:
我想用 swagger 来记录我的项目。我在我的项目中添加了 swagger 注释和 io.springfox 依赖项，但是当我运行时mvn clean package我有很多错误：
PS D:\parent-project> mvn clean package
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO]
[INFO] parent-project [pom]
[INFO] module-common-lib [jar]
[INFO] module1 [jar]
[INFO] module2 [jar]
[INFO]
[INFO] ------------< parent-project:parent-project >-------------
[INFO] Building parent-project 0.0.1-SNAPSHOT [1/4]
[INFO] --------------------------------[ pom ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ parent-project ---
[INFO]
[INFO] -------< parent-project:module-common-lib >-------
[INFO] Building module-common-lib 0.0.1-SNAPSHOT [2/4]
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ module-common-lib ---
[INFO]
[INFO] --- maven-resources-plugin:3.0.2:resources (default-resources) @ module-common-lib ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory D:\parent-project\module-common-lib\src\main\resources
[INFO] skip non existing resourceDirectory D:\parent-project\module-common-lib\src\main\resources
[INFO]
[INFO] --- maven-compiler-plugin:3.6.1:compile (default-compile) @ module-common-lib ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 4 source files to D:\parent-project\module-common-lib\target\classes
[INFO] -------------------------------------------------------------
[ERROR] COMPILATION ERROR :
[INFO] -------------------------------------------------------------
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/ResponseInfo.java:[6,30] package io.swagger.annotations does not exist
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/ResponseInfo.java:[7,30] package io.swagger.annotations does not exist
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/ResponseInfo.java:[9,2] cannot find symbol
symbol: class ApiModel
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/HelloWorldResponse.java:[4,30] package io.swagger.annotations does not exist
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/HelloWorldResponse.java:[5,30] package io.swagger.annotations does not exist
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/ResponseSimple.java:[5,30] package io.swagger.annotations does not exist
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/ResponseSimple.java:[6,30] package io.swagger.annotations does not exist
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/ResponseSimple.java:[8,2] cannot find symbol
symbol: class ApiModel
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/HelloWorldResponse.java:[7,2] cannot find symbol
symbol: class ApiModel
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/HelloWorldMessageResponse.java:[4,30] package io.swagger.annotations does not exist
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/HelloWorldMessageResponse.java:[5,30] package io.swagger.annotations does not exist
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/HelloWorldMessageResponse.java:[7,2] cannot find symbol
symbol: class ApiModel
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/ResponseInfo.java:[31,10] cannot find symbol
symbol: class ApiModelProperty
location: class com.company.lab.microservices.common.api.ResponseInfo
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/ResponseInfo.java:[40,10] cannot find symbol
symbol: class ApiModelProperty
location: class com.company.lab.microservices.common.api.ResponseInfo
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/ResponseInfo.java:[49,10] cannot find symbol
symbol: class ApiModelProperty
location: class com.company.lab.microservices.common.api.ResponseInfo
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/HelloWorldResponse.java:[13,10] cannot find symbol
symbol: class ApiModelProperty
location: class com.company.lab.microservices.common.api.HelloWorldResponse
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/ResponseSimple.java:[13,10] cannot find symbol
symbol: class ApiModelProperty
location: class com.company.lab.microservices.common.api.ResponseSimple
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/HelloWorldMessageResponse.java:[14,10] cannot find symbol
symbol: class ApiModelProperty
location: class com.company.lab.microservices.common.api.HelloWorldMessageResponse
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/HelloWorldMessageResponse.java:[23,10] cannot find symbol
symbol: class ApiModelProperty
location: class com.company.lab.microservices.common.api.HelloWorldMessageResponse
[INFO] 19 errors
[INFO] -------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] parent-project 0.0.1-SNAPSHOT ............... SUCCESS [ 0.156 s]
[INFO] module-common-lib ................... FAILURE [ 1.530 s]
[INFO] module1 ..................... SKIPPED
[INFO] module2 0.0.1-SNAPSHOT ...... SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.910 s
[INFO] Finished at: 2018-09-18T09:39:17+02:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.6.1:compile (default-compile) on project module-common-lib: Compilation failure: Compilation failure:
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/ResponseInfo.java:[6,30] package io.swagger.annotations does not exist
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/ResponseInfo.java:[7,30] package io.swagger.annotations does not exist
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/ResponseInfo.java:[9,2] cannot find symbol
[ERROR] symbol: class ApiModel
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/HelloWorldResponse.java:[4,30] package io.swagger.annotations does not exist
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/HelloWorldResponse.java:[5,30] package io.swagger.annotations does not exist
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/ResponseSimple.java:[5,30] package io.swagger.annotations does not exist
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/ResponseSimple.java:[6,30] package io.swagger.annotations does not exist
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/ResponseSimple.java:[8,2] cannot find symbol
[ERROR] symbol: class ApiModel
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/HelloWorldResponse.java:[7,2] cannot find symbol
[ERROR] symbol: class ApiModel
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/HelloWorldMessageResponse.java:[4,30] package io.swagger.annotations does not exist
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/HelloWorldMessageResponse.java:[5,30] package io.swagger.annotations does not exist
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/HelloWorldMessageResponse.java:[7,2] cannot find symbol
[ERROR] symbol: class ApiModel
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/ResponseInfo.java:[31,10] cannot find symbol
[ERROR] symbol: class ApiModelProperty
[ERROR] location: class com.company.lab.microservices.common.api.ResponseInfo
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/ResponseInfo.java:[40,10] cannot find symbol
[ERROR] symbol: class ApiModelProperty
[ERROR] location: class com.company.lab.microservices.common.api.ResponseInfo
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/ResponseInfo.java:[49,10] cannot find symbol
[ERROR] symbol: class ApiModelProperty
[ERROR] location: class com.company.lab.microservices.common.api.ResponseInfo
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/HelloWorldResponse.java:[13,10] cannot find symbol
[ERROR] symbol: class ApiModelProperty
[ERROR] location: class com.company.lab.microservices.common.api.HelloWorldResponse
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/ResponseSimple.java:[13,10] cannot find symbol
[ERROR] symbol: class ApiModelProperty
[ERROR] location: class com.company.lab.microservices.common.api.ResponseSimple
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/HelloWorldMessageResponse.java:[14,10] cannot find symbol
[ERROR] symbol: class ApiModelProperty
[ERROR] location: class com.company.lab.microservices.common.api.HelloWorldMessageResponse
[ERROR] /D:/workspace/parent-project/module-common-lib/src/main/java/com/company/lab/microservices/common/api/HelloWorldMessageResponse.java:[23,10] cannot find symbol
[ERROR] symbol: class ApiModelProperty
[ERROR] location: class com.company.lab.microservices.common.api.HelloWorldMessageResponse
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR] mvn <goals> -rf :module-common-lib
In this project both module1 and module2 use the common-lib to use JSON as a response type and to create the documentation with swagger.
在这个项目中，module1 和 module2 都使用 common-lib 来使用 JSON 作为响应类型并使用 swagger 创建文档。
Structure Project:
结构项目：
parent-project
pom.xml
module-common-lib
pom.xml
src/main/java
module1
src/main/java
src/main/resources
pom.xml
module2
src/main/java
src/main/resources
pom.xml
Pom.xml - parent-project:
Pom.xml - 父项目：
<?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">
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<java.version>1.8</java.version>
<packageClassifier>exec</packageClassifier>
<spring-boot.version>1.5.9.RELEASE</spring-boot.version>
<spring-cloud.version>1.4.4.RELEASE</spring-cloud.version>
<springfox-swagger.version>2.6.1</springfox-swagger.version>
</properties>
<dependencyManagement>
<dependencies>
.....
<dependency>
<groupId>${project.groupId}</groupId>
<artifactId>module-common-lib</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger2</artifactId>
<version>${springfox-swagger.version}</version>
</dependency>
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger-ui</artifactId>
<version>${springfox-swagger.version}</version>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<finalName>${project.artifactId}</finalName>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.6.1</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-resources-plugin</artifactId>
<version>3.0.2</version>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>${spring-boot.version}</version>
</plugin>
<plugin>
<groupId>com.spotify</groupId>
<artifactId>docker-maven-plugin</artifactId>
<version>0.4.13</version>
</plugin>
</plugins>
</pluginManagement>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>${java.version}</source>
<target>${java.version}</target>
<encoding>${project.build.sourceEncoding}</encoding>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-resources-plugin</artifactId>
<configuration>
<encoding>${project.build.sourceEncoding}</encoding>
</configuration>
</plugin>
</plugins>
</build>
Pom.xml - module-common-lib
Pom.xml - 模块通用库
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger2</artifactId>
</dependency>
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-swagger-ui</artifactId>
</dependency>
</dependencies>
</dependencyManagement>
</project>
One of the classes with swagger annotations (the other classes have the same annotations but diferent code):
带有 swagger 注释的类之一（其他类具有相同的注释但代码不同）：
import java.io.Serializable;
import java.util.Optional;
import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
@ApiModel
public class ResponseSimple implements Serializable {
transient private static final long serialVersionUID = 5106222175899418836L;
private ResponseInfo responseInfo = new ResponseInfo();
@ApiModelProperty(notes = "Response info")
public ResponseInfo getResponseInfo() {
return responseInfo;
}
public void setResponseInfo(ResponseInfo responseInfo) {
this.responseInfo = responseInfo;
}
@Override
public String toString() {
return Optional.of(responseInfo).map(ri -> ri.toString()).orElse("");
}
}
I have Maven 3.5.4
我有 Maven 3.5.4
Does anyone know why it does not work?
有谁知道为什么它不起作用？
采纳答案by David Conneely
In your module-common-lib/pom.xmlfile, you only refer to the io.springfix:springfox-swagger2dependency in the <dependencyManagement>element.
在您的module-common-lib/pom.xml文件中，您只引用元素中的io.springfix:springfox-swagger2依赖项<dependencyManagement>。
In the child POM, the <dependencies>element does not need to be inside a <dependencyManagement>element, since you are consuming the dependency (not just managing its version, scope, exclusions and so on for subsequent consumption - which is what the parent POM does).
在子 POM 中，<dependencies>元素不需要在元素内部<dependencyManagement>，因为您正在使用依赖项（不仅仅是管理其版本、范围、排除等以供后续使用 - 这是父 POM 所做的）。
Basically the fact that the dependency io.springfox:springfox-swagger2is only in the <dependencyManagement>section means that it (and, more importantly, also its transitive dependency io.swagger:swagger-annotationswhich contains the io.swagger.annotationspackage) is not added to the compilation classpath.
基本上，依赖项io.springfox:springfox-swagger2仅在该<dependencyManagement>部分中的事实意味着它（更重要的是，其io.swagger:swagger-annotations包含io.swagger.annotations包的传递依赖项）不会添加到编译类路径中。
You can verify this by running mvn dependency:build-classpathto see the classpath that Maven builds.
您可以通过运行mvn dependency:build-classpath以查看 Maven 构建的类路径来验证这一点。
The fix is to remove the lines <dependencyManagement>and </dependencyManagement>in module-common-lib/pom.xml(but NOTfrom parent-project/pom.xml, where the element serves its intended purpose).
解决方法是删除行<dependencyManagement>和</dependencyManagement>in module-common-lib/pom.xml（但不是从parent-project/pom.xml，元素用于其预期目的的地方）。
