我正在使用基于 Jersey 的 restful 服务实现策略来构建一个用于上传文件的服务.我的服务类名称是:UploadFileService.java(参见下面的代码)
包 com.jerser.service;导入java.io.File;导入 java.io.FileOutputStream;导入 java.io.IOException;导入 java.io.InputStream;导入 java.io.OutputStream;导入 javax.ws.rs.Consumes;导入 javax.ws.rs.POST;导入 javax.ws.rs.Path;导入 javax.ws.rs.core.MediaType;导入 javax.ws.rs.core.Response;导入 com.sun.jersey.core.header.FormDataContentDisposition;导入 com.sun.jersey.multipart.FormDataParam;@Path("/文件上传")公共类 UploadFileService {@邮政@Path("/上传")@Consumes(MediaType.MULTIPART_FORM_DATA)公共响应上传文件(@FormDataParam("file") InputStream 上传的InputStream,@FormDataParam("file") FormDataContentDisposition fileDetail) {String uploadFileLocation = "d://uploaded/" + fileDetail.getFileName();//保存writeToFile(uploadedInputStream, UploadedFileLocation);String output = "文件上传到:" + uploadFileLocation;返回 Response.status(200).entity(output).build();}//将上传的文件保存到新位置私人无效writeToFile(输入流上传的输入流,字符串上传文件位置){尝试 {输出流输出 = 新文件输出流(新文件(上传文件位置));int 读取 = 0;字节[]字节=新字节[1024];out = new FileOutputStream(new File(uploadedFileLocation));while ((read = uploadInputStream.read(bytes)) != -1) {out.write(字节,0,读取);}out.flush();out.close();} 捕捉(IOException e){e.printStackTrace();}}}
这些是我的库中的 JAR 文件:
aopalliance-repackaged-2.4.0-b10.jarasm-debug-all-5.0.2.jarhk2-api-2.4.0-b10.jarhk2-locator-2.4.0-b10.jarhk2-utils-2.4.0-b10.jarjavassist-3.18.1-GA.jarjavax.annotation-api-1.2.jarjavax.inject-2.4.0-b10.jarjavax.servlet-api-3.0.1.jarjavax.ws.rs-api-2.0.1.jarjaxb-api-2.2.7.jarjersey-client.jarjersey-common.jarjersey-container-servlet-core.jar球衣容器-servlet.jarjersey-core-1.11.jarjersey-guava-2.17.jar泽西-媒体-jaxb.jarjersey-multipart-1.18.jarjersey-server.jarorg.osgi.core-4.2.0.jarosgi-资源定位器-1.0.1.jar持久性-api-1.0.jar验证-api-1.1.0.Final.jar
当我尝试启动我的 tomcat 服务器时出现以下错误:
org.glassfish.jersey.server.model.ModelValidationException:应用程序资源模型的验证在应用程序初始化期间失败.[[致命] 没有找到公共 javax.ws.rs.core.Response com.jerser.service.UploadFileService.uploadFile(java.io.InputStream,com.sun.jersey.core.header.FormDataContentDisposition) 类型参数的注入源) 在索引 0 处.source='ResourceMethod{httpMethod=POST,consumedTypes=[multipart/form-data],producedTypes=[],suspended=false,suspendTimeout=0,suspendTimeoutUnit=MILLISECONDS,invocable=Invocable{handler=ClassBasedMethodHandler{handlerClass=class com.jerser.service.UploadFileService, handlerConstructors=[org.glassfish.jersey.server.model.HandlerConstructor@d3e2d4]}, definitionMethod=public javax.ws.rs.core.Response com.jerser.service.UploadFileService.uploadFile(java.io.InputStream,com.sun.jersey.core.header.FormDataContentDisposition), parameters=[Parameter [type=class java.io.InputStream, source=file, defaultValue=null], Parameter [type=class com.sun.jersey.core.header.FormDataContentDisposition, source=file, defaultValue=null]], responseType=class javax.ws.rs.core.Response}, nameBindings=[]}']在 org.glassfish.jersey.server.ApplicationHandler.initialize(ApplicationHandler.java:528)在 org.glassfish.jersey.server.ApplicationHandler.access $500(ApplicationHandler.java:166)在 org.glassfish.jersey.server.ApplicationHandler$3.run(ApplicationHandler.java:327)在 org.glassfish.jersey.internal.Errors$2.call(Errors.java:289)在 org.glassfish.jersey.internal.Errors$2.call(Errors.java:286)在 org.glassfish.jersey.internal.Errors.process(Errors.java:315)在 org.glassfish.jersey.internal.Errors.process(Errors.java:297)在 org.glassfish.jersey.internal.Errors.processWithException(Errors.java:286)在 org.glassfish.jersey.server.ApplicationHandler.<init>(ApplicationHandler.java:324)在 org.glassfish.jersey.servlet.WebComponent.<init>(WebComponent.java:338)在 org.glassfish.jersey.servlet.ServletContainer.init(ServletContainer.java:171)在 org.glassfish.jersey.servlet.ServletContainer.init(ServletContainer.java:363)在 javax.servlet.GenericServlet.init(GenericServlet.java:160)在 org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1176)在 org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1102)在 org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1009)在 org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4885)在 org.apache.catalina.core.StandardContext$3.call(StandardContext.java:5212)在 org.apache.catalina.core.StandardContext$3.call(StandardContext.java:5207)在 java.util.concurrent.FutureTask$Sync.innerRun(未知来源)在 java.util.concurrent.FutureTask.run(未知来源)在 java.util.concurrent.ThreadPoolExecutor.runWorker(未知来源)在 java.util.concurrent.ThreadPoolExecutor$Worker.run(未知来源)在 java.lang.Thread.run(未知来源)
在互联网上,我发现有很多示例展示了如何使用 RESTFul API 上传 MULTIPART 文件.但使用相同的解决方案.我也无法运行这些代码.我认为我对 JAR 文件做错了什么.谁能帮我解决这个问题?
解决方案摆脱 jersey-multipart-1.18.jar
.那是针对 Jersey 1.x 的.添加这两个
对于 Maven,您将使用以下依赖项(您无需显式添加 mimepull
依赖项,因为这会将其拉入).
<依赖><groupId>org.glassfish.jersey.media</groupId><artifactId>jersey-media-multipart</artifactId><版本>2.17</版本><!-- 确保 Jersey 版本匹配您当前使用的那个--></依赖>
然后你需要注册MultiPartFeature
.如果你使用 ResourceConfig
进行配置,你可以简单地做
register(MultiPartFeature.class);
如果您使用的是 web.xml,那么您可以将类作为 <init-param>
添加到 Jersey servlet
<init-param><param-name>jersey.config.server.provider.classnames</param-name><param-value>org.glassfish.jersey.media.multipart.MultiPartFeature</param-value></初始化参数>
请注意,如果您要注册多个提供程序,则可以使用逗号、分号或空格/换行符分隔每个提供程序类.您不能两次使用相同的 param-name
.请参阅 Suarabh 的回答
更新
此外,一旦您摆脱了 jersey-multipart-1.18.jar
,您将遇到缺少的导入类的编译错误.在大多数情况下,类名仍然相同,只是包发生了变化,即
org.glassfish.jersey.media.multipart.FormDataParam
org.glassfish.jersey.media.multipart.FormDataContentDisposition
对于 Dropwizard
如果您使用的是 Dropwizard,而不是添加 jersey-media-multipart
,他们会记录让您添加 dropwizard-forms
.而不是注册 MultiPartFeature
,您应该注册 MultiPartBundle
@Override公共无效初始化(引导程序引导程序){bootstrap.addBundle(new MultiPartBundle());}
虽然 Dropwizard 捆绑包所做的只是将 MultiPartFeature
注册到 ResourceConfig
,但实际上并没有太大区别.
一边
如果您是因为不同的 ModelValidationException
而出现在这里的,这里有一些链接可获取有关该异常的其他原因的信息.
I am using Jersey based restful Service implementation strategy to build a service which will be used to upload files. My service class name is : UploadFileService.java (See Code below)
package com.jerser.service;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.ws.rs.Consumes;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import com.sun.jersey.core.header.FormDataContentDisposition;
import com.sun.jersey.multipart.FormDataParam;
@Path("/fileUpload")
public class UploadFileService {
@POST
@Path("/upload")
@Consumes(MediaType.MULTIPART_FORM_DATA)
public Response uploadFile(
@FormDataParam("file") InputStream uploadedInputStream,
@FormDataParam("file") FormDataContentDisposition fileDetail) {
String uploadedFileLocation = "d://uploaded/" + fileDetail.getFileName();
// save it
writeToFile(uploadedInputStream, uploadedFileLocation);
String output = "File uploaded to : " + uploadedFileLocation;
return Response.status(200).entity(output).build();
}
// save uploaded file to new location
private void writeToFile(InputStream uploadedInputStream,
String uploadedFileLocation) {
try {
OutputStream out = new FileOutputStream(new File(
uploadedFileLocation));
int read = 0;
byte[] bytes = new byte[1024];
out = new FileOutputStream(new File(uploadedFileLocation));
while ((read = uploadedInputStream.read(bytes)) != -1) {
out.write(bytes, 0, read);
}
out.flush();
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
These are the JAR files I have inside my lib:
aopalliance-repackaged-2.4.0-b10.jar
asm-debug-all-5.0.2.jar
hk2-api-2.4.0-b10.jar
hk2-locator-2.4.0-b10.jar
hk2-utils-2.4.0-b10.jar
javassist-3.18.1-GA.jar
javax.annotation-api-1.2.jar
javax.inject-2.4.0-b10.jar
javax.servlet-api-3.0.1.jar
javax.ws.rs-api-2.0.1.jar
jaxb-api-2.2.7.jar
jersey-client.jar
jersey-common.jar
jersey-container-servlet-core.jar
jersey-container-servlet.jar
jersey-core-1.11.jar
jersey-guava-2.17.jar
jersey-media-jaxb.jar
jersey-multipart-1.18.jar
jersey-server.jar
org.osgi.core-4.2.0.jar
osgi-resource-locator-1.0.1.jar
persistence-api-1.0.jar
validation-api-1.1.0.Final.jar
I am getting the following error when I am trying to up my tomcat server :
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 com.jerser.service.UploadFileService.uploadFile(java.io.InputStream,com.sun.jersey.core.header.FormDataContentDisposition) at index 0.; source='ResourceMethod{httpMethod=POST, consumedTypes=[multipart/form-data], producedTypes=[], suspended=false, suspendTimeout=0, suspendTimeoutUnit=MILLISECONDS, invocable=Invocable{handler=ClassBasedMethodHandler{handlerClass=class com.jerser.service.UploadFileService, handlerConstructors=[org.glassfish.jersey.server.model.HandlerConstructor@d3e2d4]}, definitionMethod=public javax.ws.rs.core.Response com.jerser.service.UploadFileService.uploadFile(java.io.InputStream,com.sun.jersey.core.header.FormDataContentDisposition), parameters=[Parameter [type=class java.io.InputStream, source=file, defaultValue=null], Parameter [type=class com.sun.jersey.core.header.FormDataContentDisposition, source=file, defaultValue=null]], responseType=class javax.ws.rs.core.Response}, nameBindings=[]}']
at org.glassfish.jersey.server.ApplicationHandler.initialize(ApplicationHandler.java:528)
at org.glassfish.jersey.server.ApplicationHandler.access$500(ApplicationHandler.java:166)
at org.glassfish.jersey.server.ApplicationHandler$3.run(ApplicationHandler.java:327)
at org.glassfish.jersey.internal.Errors$2.call(Errors.java:289)
at org.glassfish.jersey.internal.Errors$2.call(Errors.java:286)
at org.glassfish.jersey.internal.Errors.process(Errors.java:315)
at org.glassfish.jersey.internal.Errors.process(Errors.java:297)
at org.glassfish.jersey.internal.Errors.processWithException(Errors.java:286)
at org.glassfish.jersey.server.ApplicationHandler.<init>(ApplicationHandler.java:324)
at org.glassfish.jersey.servlet.WebComponent.<init>(WebComponent.java:338)
at org.glassfish.jersey.servlet.ServletContainer.init(ServletContainer.java:171)
at org.glassfish.jersey.servlet.ServletContainer.init(ServletContainer.java:363)
at javax.servlet.GenericServlet.init(GenericServlet.java:160)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1176)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1102)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1009)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4885)
at org.apache.catalina.core.StandardContext$3.call(StandardContext.java:5212)
at org.apache.catalina.core.StandardContext$3.call(StandardContext.java:5207)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Over the internet I found there are plenty of example which shows How to upload MULTIPART file using RESTFul API. But with same solution. I am not able to run those code as well. I think I am doing something wrong with the JAR files. Could anyone please help me on this?
解决方案Get rid of jersey-multipart-1.18.jar
. That is for Jersey 1.x. Add these two
For Maven you would use the following dependency (you don't need to explicitly add the mimepull
dependency, as this one will pull it in).
<dependency>
<groupId>org.glassfish.jersey.media</groupId>
<artifactId>jersey-media-multipart</artifactId>
<version>2.17</version> <!-- Make sure the Jersey version matches
the one you are currently using -->
</dependency>
Then you need to register the MultiPartFeature
. If you are using a ResourceConfig
for configuration, you can simply do
register(MultiPartFeature.class);
If you are using web.xml, then you can add the class as an <init-param>
to the Jersey servlet
<init-param>
<param-name>jersey.config.server.provider.classnames</param-name>
<param-value>org.glassfish.jersey.media.multipart.MultiPartFeature</param-value>
</init-param>
Note that if you have multiple providers that you want to register, then you can delimit each provider class with a comma, semicolon, or space/newline. You cannot use this same param-name
twice. See Suarabh's answer
UPDATE
Also, once you get rid of jersey-multipart-1.18.jar
you will have compile errors for the missing imported classes. For the most part, the class names are still the same, just the packages have changed, i.e.
org.glassfish.jersey.media.multipart.FormDataParam
org.glassfish.jersey.media.multipart.FormDataContentDisposition
For Dropwizard
If you're using Dropwizard, instead of adding the jersey-media-multipart
, they document for your to add dropwizard-forms
instead. And instead of registering the MultiPartFeature
, you should register the MultiPartBundle
@Override
public void initialize(Bootstrap<ExampleConfiguration> bootstrap) {
bootstrap.addBundle(new MultiPartBundle());
}
Really doesn't make much difference though as all the Dropwizard bundle does is register the MultiPartFeature
with the ResourceConfig
.
Aside
If you are here for a different ModelValidationException
, here are some links for information on other causes of the exception.
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