Warning: file_get_contents(/data/phpspider/zhask/data//catemap/8/logging/2.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
Java 通过maven将.jar文件添加到类路径_Java_Json_Maven_Intellij Idea_Dependencies - Fatal编程技术网

Java 通过maven将.jar文件添加到类路径

Java 通过maven将.jar文件添加到类路径,java,json,maven,intellij-idea,dependencies,Java,Json,Maven,Intellij Idea,Dependencies,我在让maven下载我的应用程序所依赖的许多.jar文件时遇到了一些麻烦。需要这些依赖关系的代码如下: import com.fasterxml.jackson.databind.DeserializationFeature; import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.databind.ObjectReader; import com.fasterxml.jackson.dat

我在让maven下载我的应用程序所依赖的许多.jar文件时遇到了一些麻烦。需要这些依赖关系的代码如下:

import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectReader;
import com.fasterxml.jackson.databind.ObjectWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class ServerConfiguration {
    public String info = null;
    public String idlURL = null;
    public String idlContents = null;
    public List<ServerInfo> servers = new ArrayList<>();

    public final void clear() {
        info = null;
        idlURL = null;
        idlContents = null;
        if (servers != null)
            servers.clear();
    }

    private final static ObjectReader jsonReader;
    private final static ObjectWriter jsonWriter;

    static {
        ObjectMapper mapper = new ObjectMapper();
        mapper.configure(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY, true); // <== Error:(52, 15) java: cannot access com.fasterxml.jackson.core.JsonGenerator class file for com.fasterxml.jackson.core.JsonGenerator not found
        //mapper.configure(SerializationFeature.WRITE_SINGLE_ELEM_ARRAYS_UNWRAPPED, true);
        jsonWriter = mapper.writer();
        jsonReader = mapper.reader(ServerConfiguration.class);
    }

    public static ServerConfiguration fromJson(String json) throws IOException {
        return jsonReader.<ServerConfiguration>readValue(json); // <== Error:(59, 26) java: cannot access com.fasterxml.jackson.core.JsonProcessingException class file for com.fasterxml.jackson.core.JsonProcessingException not found
    }

    public String toJson() throws IOException {
        return jsonWriter.writeValueAsString(this);
    }

}
编辑#2:

我似乎无法添加依赖项:


对于数据绑定,您需要:

<dependency>
 <groupId>com.fasterxml.jackson.core</groupId>
 <artifactId>jackson-databind</artifactId>
 <version>2.3.3</version>
</dependency>

com.fasterxml.jackson.core

您能否尝试使用
2.5.4
版本,如下所示:

        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.5.4</version>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>2.5.4</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-annotations</artifactId>
            <version>2.5.4</version>
        </dependency>

com.fasterxml.jackson.core
杰克逊数据绑定
2.5.4
com.fasterxml.jackson.core
杰克逊核心
2.5.4
com.fasterxml.jackson.core
杰克逊注释
2.5.4
在IntelliJ中,尝试勾选
依赖项中的
复选框
“导出”


我的意思是:项目结构->模块->依赖项,在那里你可以看到模块中包含的lib。您还应该在“导出”列的每个库附近看到一个
复选框。

是的,我已经编辑了源代码。我在pom.xml中已经有了这个条目。再说一次,你能发布一条错误消息或堆栈跟踪来显示问题吗?你在添加依赖项后编译了你的代码吗?是的,我已经编译了所有依赖项变体。更新了答案,你能试试吗?我试过添加依赖项,但得到了更新问题中提到的错误。你能试着从Intellij外部构建你的项目吗?
<dependency>
 <groupId>com.fasterxml.jackson.core</groupId>
 <artifactId>jackson-databind</artifactId>
 <version>2.3.3</version>
</dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.5.4</version>
        </dependency>

        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>2.5.4</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-annotations</artifactId>
            <version>2.5.4</version>
        </dependency>