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Cs天泽:泽西岛忽略杰克逊注释(jersey for.jackson)

作者：呼噜噜 • • 阅读 9

我正在研究一个使用 Jersey 和 Jackson 将 Java 对象转换为 JSON 的 Java 项目。几天前我注意到使用com.fasterxml.jackson.annotation.JsonProperty试图更改 JSON 属性的名称没有效果。这个问题不是那么大,所以我忽略了它。今天我创建了一个与@EntityPOJO 之间的 JPA 关系。该关系是@OneToMany和@ManyToOne

<properties>
    <jackson.version>2.8.7</jackson.version>
    <jersey.version>2.25.1</jersey.version>
    <hk2.version>2.4.0</hk2.version>
</properties>
<build>
    <plugins>
        <plugin>
            <groupId>org.glfish.hk2</groupId>
            <artifactId>hk2-inhabitant-generator</artifactId>
            <version>${hk2.version}</version>
            <executions>
                <execution>
                    <goals>
                        <goal>generate-inhabitants</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>
<weblogic-application>
    <prefer-application-packages>
        <package-name>com.fasterxml.jackson.*</package-name>
        <package-name>com.sun.jersey.*</package-name>
        <package-name>jersey.repackaged.*</package-name>
        <package-name>org.glfish.*</package-name>
        <resource-name>META-INF/services/org.glfish.hk2.*</resource-name>
    </prefer-application-packages>
    <prefer-application-resources>
        <resource-name>META-INF/services/org.glfish.jersey.*</resource-name>
        <resource-name>org.glfish.jersey.*</resource-name>
        <resource-name>jersey.repackaged.*</resource-name>
        <resource-name>META-INF/services/org.glfish.hk2.*</resource-name>
    </prefer-application-resources>
</weblogic-application>
<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-annotations</artifactId>
            <version>${jackson.version}</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>${jackson.version}</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>${jackson.version}</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.datatype</groupId>
            <artifactId>jackson-datatype-joda</artifactId>
            <version>${jackson.version}</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.jaxrs</groupId>
            <artifactId>jackson-jaxrs-json-provider</artifactId>
            <version>${jackson.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey</groupId>
            <artifactId>jersey-bom</artifactId>
            <version>${jersey.version}</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.containers</groupId>
            <artifactId>jersey-container-servlet</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext.cdi</groupId>
            <artifactId>jersey-cdi1x</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext.cdi</groupId>
            <artifactId>jersey-cdi1x-transaction</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext.cdi</groupId>
            <artifactId>jersey-cdi1x-servlet</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.core</groupId>
            <artifactId>jersey-common</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.core</groupId>
            <artifactId>jersey-client</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.core</groupId>
            <artifactId>jersey-server</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.media</groupId>
            <artifactId>jersey-media-json-jackson</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.media</groupId>
            <artifactId>jersey-media-multipart</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.containers</groupId>
            <artifactId>jersey-container-jetty-http</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.containers</groupId>
            <artifactId>jersey-container-grizzly2-http</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.containers</groupId>
            <artifactId>jersey-container-grizzly2-servlet</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.containers</groupId>
            <artifactId>jersey-container-jetty-servlet</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.containers</groupId>
            <artifactId>jersey-container-jdk-http</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.containers</groupId>
            <artifactId>jersey-container-servlet-core</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.containers</groupId>
            <artifactId>jersey-container-simple-http</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.containers.glfish</groupId>
            <artifactId>jersey-gf-ejb</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext</groupId>
            <artifactId>jersey-bean-validation</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext</groupId>
            <artifactId>jersey-declarative-linking</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext</groupId>
            <artifactId>jersey-entity-filtering</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext</groupId>
            <artifactId>jersey-metainf-services</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext</groupId>
            <artifactId>jersey-mvc</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext</groupId>
            <artifactId>jersey-mvc-bean-validation</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext</groupId>
            <artifactId>jersey-mvc-freemarker</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext</groupId>
            <artifactId>jersey-mvc-jsp</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext</groupId>
            <artifactId>jersey-mvc-mustache</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext</groupId>
            <artifactId>jersey-proxy-client</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext</groupId>
            <artifactId>jersey-servlet-portability</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext</groupId>
            <artifactId>jersey-spring3</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext</groupId>
            <artifactId>jersey-wadl-doclet</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext.cdi</groupId>
            <artifactId>jersey-cdi1x-ban-custom-hk2-binding</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext.cdi</groupId>
            <artifactId>jersey-cdi1x-validation</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext.cdi</groupId>
            <artifactId>jersey-weld2-se</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext.rx</groupId>
            <artifactId>jersey-rx-client</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext.rx</groupId>
            <artifactId>jersey-rx-client-guava</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext.rx</groupId>
            <artifactId>jersey-rx-client-java8</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext.rx</groupId>
            <artifactId>jersey-rx-client-jsr166e</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.ext.rx</groupId>
            <artifactId>jersey-rx-client-rxjava</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.media</groupId>
            <artifactId>jersey-media-jaxb</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.media</groupId>
            <artifactId>html-json</artifactId>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.media</groupId>
            <artifactId>jersey-media-json-jettison</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.media</groupId>
            <artifactId>jersey-media-json-processing</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.media</groupId>
            <artifactId>jersey-media-kryo</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.media</groupId>
            <artifactId>jersey-media-moxy</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.media</groupId>
            <artifactId>jersey-media-sse</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.security</groupId>
            <artifactId>oauth1-client</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.security</groupId>
            <artifactId>oauth1-server</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.security</groupId>
            <artifactId>oauth1-signature</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.security</groupId>
            <artifactId>oauth2-client</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.test-framework</groupId>
            <artifactId>jersey-test-framework-core</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.test-framework</groupId>
            <artifactId>jersey-test-framework-util</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.test-framework.providers</groupId>
            <artifactId>jersey-test-framework-provider-bundle</artifactId>
            <version>${jersey.version}</version>
            <type>pom</type>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.test-framework.providers</groupId>
            <artifactId>jersey-test-framework-provider-external</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.test-framework.providers</groupId>
            <artifactId>jersey-test-framework-provider-grizzly2</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.test-framework.providers</groupId>
            <artifactId>jersey-test-framework-provider-inmemory</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.test-framework.providers</groupId>
            <artifactId>jersey-test-framework-provider-jdk-http</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.test-framework.providers</groupId>
            <artifactId>jersey-test-framework-provider-jetty</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.test-framework.providers</groupId>
            <artifactId>jersey-test-framework-provider-simple</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.bundles</groupId>
            <artifactId>jaxrs-ri</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.bundles.repackaged</groupId>
            <artifactId>jersey-guava</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.bundles.repackaged</groupId>
            <artifactId>jersey-jsr166e</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.connectors</groupId>
            <artifactId>jersey-apache-connector</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.connectors</groupId>
            <artifactId>jersey-grizzly-connector</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.jersey.connectors</groupId>
            <artifactId>jersey-jetty-connector</artifactId>
            <version>${jersey.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.hk2</groupId>
            <artifactId>hk2-bom</artifactId>
            <version>${hk2.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.hk2.external</groupId>
            <artifactId>javax.inject</artifactId>
            <version>${hk2.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.hk2</groupId>
            <artifactId>hk2-api</artifactId>
            <version>${hk2.version}</version>
        </dependency>
        <dependency>
            <groupId>org.glfish.hk2</groupId>
            <artifactId>hk2-locator</artifactId>
            <version>${hk2.version}</version>
        </dependency>
    </dependencies>
</dependencyManagement>
<dependencies></dependencies>

这是冒犯类：

@Entity
@Table(name = "PAGE")
@XmlRootElement
public cl Page implements Serializable {
    //... Id and other fields here
    @JsonIgnore
    @OneToMany(fetch = LAZY, mappedBy = "page")
    private Set<Activity> yticsActivity;
}
0

前一段时间我有同样的问题注释 JsonIgnoreProperties 用于类范围。在 jackson 上，当你想忽略一些字段，你需要指定字段名称。

@JsonIgnoreProperties(ignoreUnknown = true, value= {"prev", "next"})
public cl Model implements Serializable {
    private Model prev;
    private Model next; ....
Jackson Ignore Annotations example

为了防止“无限递归（StackOverflowError）”，请确保您没有任何引用，方法调用内部成员，以防止您也可以忽略此字段。“无限递归（StackOverflowError）”的示例

public cl Model implements Serializable {
    private Model prev; // reference previous model
    private Model next; // reference next model

这种类型的数据结构会导致无限递归，因为 Jackson 总是获取 prev 或下一个字段，并且一次又一次地获取。

0

不幸的是，我发现这个问题的解决方案可能与 Jackson 或 Jersey 无关。正如有人所说“这是不必要的，令人困惑的，并且很难弄清楚实际用于什么。”在我的问题中，我没有分享整个 174 依赖 long pom.xml，所以任何人都不可能回答这个问题。

当我将@XmlTransient添加到字段中时，它没有产生积极的影响。当我将其添加到 getter 和字段时，我能够从生成的 JSON 中隐藏yticsActivity。我没有测试将@XmlTransient单独添加到 getter 是否有效。

import javax.xml.bind.annotation.XmlTransient;
@Entity
@Table(name = "PAGE")
@XmlRootElement
public cl Page implements Serializable {
    //... Id and other fields here
    @XmlTransient
    @OneToMany(fetch = LAZY, mappedBy = "page")
    private Set<Activity> yticsActivity;
    @XmlTransient
    public Set<TmptREPDeskAnalytics> getAnalyticsActivity() {
        return yticsActivity;
    }
}

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