我正在研究REST和协议缓冲区atm。因此,我找到了[this][1]教程,它创建了一个示例应用程序
不幸的是,我在要导入的库中遇到了一个无法解决的问题:
在行中:
return GrizzlyServerFactory.create(uri, initParams);
我得到一个语法错误:
The method create(URI, ResourceConfig) in the type
GrizzlyServerFactory is not applicable for the arguments (URI,
Map<String,String>)
GrizzlyServerFactory在我导入的这个库中:
import com.sun.jersey.api.container.grizzly.GrizzlyServerFactory;
为了参考,我将整个类粘贴在这里:
package com.sampullara.jaxrsprotobuf.tutorial;
import java.io.IOException;
import java.net.URI;
import java.util.HashMap;
import java.util.Map;
import javax.ws.rs.core.UriBuilder;
import com.sun.grizzly.http.SelectorThread;
import com.sun.jersey.api.container.grizzly.GrizzlyServerFactory;
import com.sun.jersey.api.core.ResourceConfig;
public class Main {
public static final URI BASE_URI = UriBuilder.fromUri("http://localhost/").port(9998).build();
public static void main(String[] args) throws IOException {
System.out.println("Starting grizzly...");
URI uri = BASE_URI;
SelectorThread threadSelector = createServer(uri);
System.out.println(String.format("Try out %spersonnHit enter to stop it...", uri));
System.in.read();
threadSelector.stopEndpoint();
}
public static SelectorThread createServer(URI uri) throws IOException {
Map<String, String> initParams = new HashMap<String, String>();
initParams.put("com.sun.jersey.config.property.packages", "com.sampullara");
// error happens in next line - constructor doesnt exist with the given parameters
return GrizzlyServerFactory.create(uri, initParams);
}
}
第1版:
我修改了代码,但仍然无法使其正常工作:
public static SelectorThread createServer(URI uri) throws IOException {
//Map<String, String> initParams = new HashMap<String, String>();
//initParams.put("com.sun.jersey.config.property.packages", "com.sampullara");
// original code: return GrizzlyServerFactory.create(uri, initParams);
DefaultResourceConfig rscfg = new DefaultResourceConfig();
return GrizzlyServerFactory.create( uri , rscfg );
}
Eclipse向我抛出以下运行时错误:
SCHWERWIEGEND:ResourceConfig实例不包含任何根资源类。线程"main"中出现异常com.sun.jsersey.api.container.ContainerException:资源配置实例不包含任何根资源类。在com.sun.jersy.server.impl.application.RootResourceUriRules。(RootResourceUriRules.java:99)在com.sun.jersy.server.impl.application.WebApplicationImpl._ininitiate(WebApplicationImpl.java:1300)在com.sun.jersy.server.impl.application.WebApplicationImpl.access$700(WebApplicationImpl.java:163)在com.sun.jersy.server.impl.application.WebApplicationImpl$13.f(WebApplicationImpl.java:769)在com.sun.jersy.server.impl.application.WebApplicationImpl$13.f(WebApplicationImpl.java:765)在com.sun.jersy.spi.inject.Errors.processWithErrors(Errors.java:193)在com.sun.jersy.server.impl.application.WebApplicationImpl.initiate(WebApplicationImpl.java:765)在com.sun.jersy.api.contain.ContainerFactory.createContainer(ContainerFactory.java:172)在com.sun.jersy.api.contain.ContainerFactory.createContainer(ContainerFactory.java:134)在com.sun.jersy.api.contacter.grizzly.GrizzlyServerFactory.create(GrizzlyServerFactory.java:151)在com.sampulla.jaxrsprotobuf.tutorial.Main.createServer(Main.java:34)网址:com.sampulla.jaxrsprotobuf.tutorial.Main.Main(Main.java:21)
GrizzlyServerFactory.create
采用两个参数:
java.net.URI
com.sun.jersey.api.core.ResourceConfig
使用Map<String, String>
作为第二个参数是错误的。
有关GrizzlyServerFactory
的另一个问题,请参阅将Jersey服务实例发布到Grizzly。