我正在与Android Jersey客户端合作，该客户将表格发送到网络服务。我得到
javax.ws.rs.processingexception：java.net.connectException：失败 连接到/127.0.0.1(端口8080(：连接失败：Econnrefuse (连接拒绝(
我没有配置任何代理。我可以通过Postman使用Web服务(浏览器也显示(。
到目前我的Android客户端代码连接到网络服务：
public class SignUpAction implements Runnable {
private Client client;
private WebTarget webTarget;
private Form form;
private RegistrationBeanInterface rbI;
@Override
public void run() {
client = JerseyClientBuilder.newClient();
try {
webTarget = client.target(new URI("http://127.0.0.1:8080/WebApp/User/Register"));
form = new Form();
Response response = webTarget.request(MediaType.APPLICATION_FORM_URLENCODED).post(Entity.form(form));
this.statusCode = response.getStatus();
} catch (URISyntaxException e) {
e.getReason();
}
}
public int getStatusCode(){
return this.statusCode;
}
}
这就是我在活动中称之为连接类的方式：
signUpAction = signUpAction.createSignUpAction();
executorService.execute(signUpAction);
statusCode = signUpAction.getStatusCode();
if(statusCode == 200){
Intent intent = new Intent(this, SignInActivity.class);
startActivity(intent);
}
我对球衣的grad依赖
implementation 'org.glassfish.hk2.external:javax.inject:2.4.0-b06'
implementation('org.glassfish.jersey.containers:jersey-container-servlet:2.25.1') {
exclude module : 'javax.inject'
}
这是我的stacktrace：
The following warnings have been detected: WARNING: HK2 service reification failed for [org.glassfish.jersey.message.internal.DataSourceProvider] with an exception:
MultiException stack 1 of 4
java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.lang.NoClassDefFoundError: javax.activation.DataSource
at org.glassfish.hk2.utilities.cache.LRUHybridCache.compute(LRUHybridCache.java:315)
at org.glassfish.hk2.utilities.reflection.internal.ClassReflectionHelperImpl.getAllMethods(ClassReflectionHelperImpl.java:108)
at org.jvnet.hk2.internal.Utilities.findInitializerMethods(Utilities.java:1341)
at org.jvnet.hk2.internal.DefaultClassAnalyzer.getInitializerMethods(DefaultClassAnalyzer.java:107)
at org.glassfish.jersey.internal.inject.JerseyClassAnalyzer.getInitializerMethods(JerseyClassAnalyzer.java:242)
at org.jvnet.hk2.internal.Utilities.getInitMethods(Utilities.java:218)
at org.jvnet.hk2.internal.ClazzCreator.initialize(ClazzCreator.java:145)
at org.jvnet.hk2.internal.ClazzCreator.initialize(ClazzCreator.java:180)
at org.jvnet.hk2.internal.SystemDescriptor.internalReify(SystemDescriptor.java:740)
at org.jvnet.hk2.internal.SystemDescriptor.reify(SystemDescriptor.java:694)
at org.jvnet.hk2.internal.ServiceLocatorImpl.reifyDescriptor(ServiceLocatorImpl.java:461)
at org.jvnet.hk2.internal.ServiceLocatorImpl.narrow(ServiceLocatorImpl.java:2288)
at org.jvnet.hk2.internal.ServiceLocatorImpl.access$1200(ServiceLocatorImpl.java:125)
at org.jvnet.hk2.internal.ServiceLocatorImpl$9.compute(ServiceLocatorImpl.java:1373)
at org.jvnet.hk2.internal.ServiceLocatorImpl$9.compute(ServiceLocatorImpl.java:1368)
at org.glassfish.hk2.utilities.cache.internal.WeakCARCacheImpl.compute(WeakCARCacheImpl.java:116)
at org.jvnet.hk2.internal.ServiceLocatorImpl.internalGetAllServiceHandles(ServiceLocatorImpl.java:1430)
at org.jvnet.hk2.internal.ServiceLocatorImpl.getAllServiceHandles(ServiceLocatorImpl.java:1355)
at org.jvnet.hk2.internal.ServiceLocatorImpl.getAllServiceHandles(ServiceLocatorImpl.java:1344)
at org.glassfish.jersey.internal.inject.Providers.getServiceHandles(Providers.java:354)
at org.glassfish.jersey.internal.inject.Providers.getCustomProviders(Providers.java:201)
at org.glassfish.jersey.message.internal.MessageBodyFactory.<init>(MessageBodyFactory.java:221)
at java.lang.reflect.Constructor.newInstance(Native Method)
at org.glassfish.hk2.utilities.reflection.ReflectionHelper.makeMe(ReflectionHelper.java:1375)
at org.jvnet.hk2.internal.ClazzCreator.createMe(ClazzCreator.java:272)
at org.jvnet.hk2.internal.ClazzCreator.create(ClazzCreator.java:366)
at org.jvnet.hk2.internal.SystemDescriptor.create(SystemDescriptor.java:487)
at org.jvnet.hk2.internal.SingletonContext$1.compute(SingletonContext.java:83)
at org.jvnet.hk2.internal.SingletonContext$1.compute(SingletonContext.java:71)
at org.glassfish.hk2.utilities.cache.Cache$OriginThreadAwareFuture$1.call(Cache.java:97)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at org.glassfish.hk2.utilities.cache.Cache$OriginThreadAwareFuture.run(Cache.java:154)
at org.glassfish.hk2.utilities.cache.Cache.compute(Cache.java:199)
at org.jvnet.hk2.internal.SingletonContext.findOrCreate(SingletonContext.java:122)
at org.jvnet.hk2.internal.Utilities.createService(Utilities.java:2022)
at org.jvnet.hk2.internal.ServiceLocatorImpl.internalGetService(ServiceLocatorImpl.java:774)
at org.jvnet.hk2.internal.ServiceLocatorImpl.getUnqualifiedService(ServiceLocatorImpl.java:786)
at org.jvnet.hk2.internal.IterableProviderImpl.get(IterableProviderImpl.java:111)
at org.glassfish.jersey.client.RequestProcessingInitializationStage.apply(RequestProcessingInitializationStage.java:97)
at org.glassfish.jersey.client.RequestProcessingInitializationStage.apply(RequestProcessingInitializationStage.java:67)
at org.glassfish.jersey.process.internal.Stages$LinkedStage.apply(Stages.java:308)
at org.glassfish.jersey.process.internal.Stages.process(Stages.java:171)
at org.glassfish.jersey.client.ClientRuntime.invoke(ClientRuntime.java:25
E/AndroidRuntime: FATAL EXCEPTION: pool-1-thread-1
Process: com.stuff.echo01.dummypracticeapplication_01_09_2018, PID: 3677
javax.ws.rs.ProcessingException: java.net.ConnectException: failed to connect to /127.0.0.1 (port 8080): connect failed: ECONNREFUSED (Connection refused)
at org.glassfish.jersey.client.internal.HttpUrlConnector.apply(HttpUrlConnector.java:287)
at org.glassfish.jersey.client.ClientRuntime.invoke(ClientRuntime.java:252)
at org.glassfish.jersey.client.JerseyInvocation$1.call(JerseyInvocation.java:684)
at org.glassfish.jersey.client.JerseyInvocation$1.call(JerseyInvocation.java:681)
at org.glassfish.jersey.internal.Errors.process(Errors.java:315)
at org.glassfish.jersey.internal.Errors.process(Errors.java:297)
at org.glassfish.jersey.internal.Errors.process(Errors.java:228)
at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:444)
at org.glassfish.jersey.client.JerseyInvocation.invoke(JerseyInvocation.java:681)
at org.glassfish.jersey.client.JerseyInvocation$Builder.method(JerseyInvocation.java:437)
at org.glassfish.jersey.client.JerseyInvocation$Builder.post(JerseyInvocation.java:343)
at com.stuff.echo01.dummypracticeapplication_01_09_2018.authpackage.SignUpAction.run(SignUpAction.java:90)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
at java.lang.Thread.run(Thread.java:818)
Caused by: java.net.ConnectException: failed to connect to /127.0.0.1 (port 8080): connect failed: ECONNREFUSED (Connection refused)
at libcore.io.IoBridge.connect(IoBridge.java:124)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:183)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:452)
at java.net.Socket.connect(Socket.java:884)
at com.android.okhttp.internal.Platform.connectSocket(Platform.java:117)
at com.android.okhttp.internal.http.SocketConnector.connectRawSocket(SocketConnector.java:160)
at com.android.okhttp.internal.http.SocketConnector.connectCleartext(SocketConnector.java:67)
at com.android.okhttp.Connection.connect(Connection.java:152)
at com.android.okhttp.Connection.connectAndSetOwner(Connection.java:185)
at com.android.okhttp.OkHttpClient$1.connectAndSetOwner(OkHttpClient.java:128)
at com.android.okhttp.internal.http.HttpEngine.nextConnection(HttpEngine.java:341)
at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:330)
at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:248)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:433)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:114)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.getOutputStream(HttpURLConnectionImpl.java:245)
at com.android.tools.profiler.support.network.httpurl.TrackedHttpURLConnection.getOutputStream(TrackedHttpURLConnection.java:288)
at com.android.tools.profiler.support.network.httpurl.HttpURLConnection$.getOutputStream(HttpURLConnection$.java:212)
at org.glassfish.jersey.client.internal.HttpUrlConnector$4.getOutputStream(HttpUrlConnector.java:390)
at org.glassfish.jersey.message.internal.CommittingOutputStream.commitStream(CommittingOutputStream.java:200)
at org.glassfish.jersey.message.internal.CommittingOutputStream.commitStream(CommittingOutputStream.java:194)
at org.glassfish.jersey.message.internal.CommittingOutputStream.write(CommittingOutputStream.java:228)
at org.glassfish.jersey.message.internal.WriterInterceptorExecutor$UnCloseableOutputStream.write(WriterInterceptorExecutor.java:299)
at java.io.OutputStreamWriter.flushBytes(OutputStreamWriter.java:170)
at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:161)
at org.glassfish.jersey.message.internal.ReaderWriter.writeToAsString(ReaderWriter.java:193)
at org.glassfish.jersey.message.internal.AbstractMessageReaderWriterProvider.writeToAsString(AbstractMessageReaderWriterProvider.java:130)
at org.glassfish.jersey.messag
更改
http://127.0.0.1:8080/WebApp/User/Register
to
http://10.0.2.2:8080/WebApp/User/Register
因为Android模拟器映射10.0.2.2(只要您的服务器映射到PC的Localhost(到主机机器的127.0.0.1。
这是Google文档https://developer.android.com/studio/run/emulator-networking.html
由于服务器未在手机上运行，因此无法使用127.0.0.1:port连接到它，因为它不在设备本身上。您必须找到服务器的内部IP(192.168.*.*(，然后连接到它。
127.0.0.1或localhost要求服务器/目标在当前设备上。这意味着您可以在计算机上连接到127.0.0.1，但不能从同一网络上的其他设备连接到。
如果您的手机和计算机位于两个不同的网络上，那是一个完全不同的问题。您必须确保启用端口转发，并且必须连接到路由器的外部IP