我们有一个 RESTful 网络服务,它有一个接受多部分的资源。我们在 Spring 4 中使用 Jersey2。我收到以下异常
<code>
org.glassfish.jersey.server.model.ModelValidationException: Validation of the application resource model has failed during application initialization.
[[FATAL] No injection source found for a parameter of type public javax.ws.rs.core.Response xxx.AssetUploadResource.uploadAssetByStream(java.io.InputStream,org.glassfish.jersey.media.multipart.FormDataContentDisposition,java.lang.String) at index 0.; source='ResourceMethod{httpMethod=POST, consumedTypes=[multipart/form-data], producedTypes=[application/json], suspended=false, suspendTimeout=0, suspendTimeoutUnit=MILLISECONDS, invocable=Invocable{handler=ClassBasedMethodHandler{handlerClass=class xxx.AssetUploadResource, handlerConstructors=[org.glassfish.jersey.server.model.HandlerConstructor@1d63c523]}, definitionMethod=public javax.ws.rs.core.Response xxx.AssetUploadResource.uploadAssetByStream(java.io.InputStream,org.glassfish.jersey.media.multipart.FormDataContentDisposition,java.lang.String), parameters=[Parameter [type=class java.io.InputStream, source=Asset, defaultValue=null], Parameter [type=class org.glassfish.jersey.media.multipart.FormDataContentDisposition, source=asset, defaultValue=null], Parameter [type=class java.lang.String, source=Asset Metadata as a json string, defaultValue=null]], responseType=class javax.ws.rs.core.Response}, nameBindings=[]}']
</code>
Jersey 版本为 2.24。此外,还添加了 web.xml 中的多部分依赖以及 init-param
<code>
@Api
@Path("/asset")
@Component
public class AssetUploadResource {
@POST
@Consumes(MULTIPART_FORM_DATA)
@Produces(APPLICATION_JSON)
public Response uploadAssetByStream(
@FormDataParam("asset") InputStream asset,
@FormDataParam("asset") FormDataContentDisposition assetDetails,
@FormDataParam("metadata") String metadata) {
</code>
网络.xml
<code>
<servlet>
<servlet-name>jersey-serlvet</servlet-name>
<servlet-class>org.glassfish.jersey.servlet.ServletContainer</servlet-class>
<init-param>
<param-name>jersey.config.server.provider.classnames</param-name>
<param-value>org.glassfish.jersey.media.multipart.MultiPartFeature</param-value>
</init-param>
<init-param>
<param-name>jersey.config.server.provider.packages</param-name>
<param-value>xxx</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
</code>
你能告诉我我错过了什么吗?
最佳答案
我将 Spring 与 Jersey 一起使用,似乎 spring-boot-starter-jersey
依赖项不包括多部分表单数据媒体类型的必要依赖项,这是一个问题。
添加依赖:
<dependency>
<groupId>org.glassfish.jersey.media</groupId>
<artifactId>jersey-media-multipart</artifactId>
<version>2.26</version>
</dependency>
之后你还需要注册它。这是我的做法:
@Configuration
public class JerseyConfig extends ResourceConfig {
JerseyConfig() {
// where I keep all my things
packages(
"com.mycompany.api"
);
// this is what you are looking for
register(org.glassfish.jersey.media.multipart.MultiPartFeature.class);
}
}
关于java - Jersey 2 多部分,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/40542157/