如何使用同步网关将数据发送到 couchbase 服务器，如何连接到同步网关，URL？

Question

我正在 Windows(OS) 上开发 Android 移动应用程序。我想将数据发送到 couchbase 服务器。我在同步网关的 URL 中犯了错误。我的机器上也有运行服务。我已经设置了 couchbase 服务器。

我的 config.json 文件：

{
"log": ["HTTP+"],
"adminInterface": "127.0.0.1:4985",
"interface": "0.0.0.0:4984",
"databases": {
    "db": {
        "server": "http://localhost:8091",
        "bucket": "mobile_data",
        "users": {
            "GUEST": {"disabled": false, "admin_channels": ["*"] }
        }
    }
}
}

我的Android应用代码：

private void initCouchbase() {


// Create replicators to push & pull changes to & from Sync Gateway.
        URL url = null;
        try {
            url = new URL("http://127.0.0.1:4984/db/");
        } catch (MalformedURLException e) {
        e.printStackTrace();
    }
    Replication push = database.createPushReplication(url);
    Replication pull = database.createPullReplication(url);
    push.setContinuous(true);
    pull.setContinuous(true);

 // Start replicators
    push.start();
    pull.start();
}

我正在使用手机进行测试。

我收到与 URL 有关的错误。

Logcat:

01-28 19:21:23.851 28672-28718/com.example.yumnaasim.couchbaseapp W/RemoteRequest: com.couchbase.lite.replicator.RemoteRequest {GET, http://127.0.0.1:4984/db/_local/3259f53711e089457eaed7b5c61d82403d1a98e4}: executeRequest() Exception: java.net.ConnectException: Failed to connect to /127.0.0.1:4984.  url: http://127.0.0.1:4984/db/_local/3259f53711e089457eaed7b5c61d82403d1a98e4
                                                                               java.net.ConnectException: Failed to connect to /127.0.0.1:4984
                                                                                   at okhttp3.internal.io.RealConnection.connectSocket(RealConnection.java:187)
                                                                                   at okhttp3.internal.io.RealConnection.buildConnection(RealConnection.java:170)
                                                                                   at okhttp3.internal.io.RealConnection.connect(RealConnection.java:111)
                                                                                   at okhttp3.internal.http.StreamAllocation.findConnection(StreamAllocation.java:187)
                                                                                   at okhttp3.internal.http.StreamAllocation.findHealthyConnection(StreamAllocation.java:123)
                                                                                   at okhttp3.internal.http.StreamAllocation.newStream(StreamAllocation.java:93)
                                                                                   at okhttp3.internal.http.HttpEngine.connect(HttpEngine.java:296)
                                                                                   at okhttp3.internal.http.HttpEngine.sendRequest(HttpEngine.java:248)
                                                                                   at okhttp3.RealCall.getResponse(RealCall.java:243)
                                                                                   at okhttp3.RealCall$ApplicationInterceptorChain.proceed(RealCall.java:201)
                                                                                   at okhttp3.RealCall.getResponseWithInterceptorChain(RealCall.java:163)
                                                                                   at okhttp3.RealCall.execute(RealCall.java:57)
                                                                                   at com.couchbase.lite.replicator.RemoteRequest.executeRequest(RemoteRequest.java:261)
                                                                                   at com.couchbase.lite.replicator.RemoteRequest.execute(RemoteRequest.java:165)
                                                                                   at com.couchbase.lite.replicator.RemoteRequest.run(RemoteRequest.java:105)
                                                                                   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:423)
                                                                                   at java.util.concurrent.FutureTask.run(FutureTask.java:237)
                                                                                   at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:269)
                                                                                   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
                                                                                   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
                                                                                   at java.lang.Thread.run(Thread.java:818)
01-28 19:21:23.853 28672-28719/com.example.yumnaasim.couchbaseapp W/RemoteRequest: com.couchbase.lite.replicator.RemoteRequest {GET, http://127.0.0.1:4984/db/_local/3410a851b84016993416af638a20280537838364}: executeRequest() Exception: java.net.ConnectException: Failed to connect to /127.0.0.1:4984.  url: http://127.0.0.1:4984/db/_local/3410a851b84016993416af638a20280537838364
                                                                               java.net.ConnectException: Failed to connect to /127.0.0.1:4984
                                                                                   at okhttp3.internal.io.RealConnection.connectSocket(RealConnection.java:187)
                                                                                   at okhttp3.internal.io.RealConnection.buildConnection(RealConnection.java:170)
                                                                                   at okhttp3.internal.io.RealConnection.connect(RealConnection.java:111)
                                                                                   at okhttp3.internal.http.StreamAllocation.findConnection(StreamAllocation.java:187)
                                                                                   at okhttp3.internal.http.StreamAllocation.findHealthyConnection(StreamAllocation.java:123)
                                                                                   at okhttp3.internal.http.StreamAllocation.newStream(StreamAllocation.java:93)
                                                                                   at okhttp3.internal.http.HttpEngine.connect(HttpEngine.java:296)
                                                                                   at okhttp3.internal.http.HttpEngine.sendRequest(HttpEngine.java:248)
                                                                                   at okhttp3.RealCall.getResponse(RealCall.java:243)
                                                                                   at okhttp3.RealCall$ApplicationInterceptorChain.proceed(RealCall.java:201)
                                                                                   at okhttp3.RealCall.getResponseWithInterceptorChain(RealCall.java:163)
                                                                                   at okhttp3.RealCall.execute(RealCall.java:57)
                                                                                   at com.couchbase.lite.replicator.RemoteRequest.executeRequest(RemoteRequest.java:261)
                                                                                   at com.couchbase.lite.replicator.RemoteRequest.execute(RemoteRequest.java:165)
                                                                                   at com.couchbase.lite.replicator.RemoteRequest.run(RemoteRequest.java:105)
                                                                                   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:423)
                                                                                   at java.util.concurrent.FutureTask.run(FutureTask.java:237)
                                                                                   at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:269)
                                                                                   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
                                                                                   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
                                                                                   at java.lang.Thread.run(Thread.java:818)
01-28 19:21:25.877 28450-28450/? I/Finsky: [1] com.google.android.finsky.scheduler.ak.a(146): onJobSchedulerWakeup

Answer 1

问题出在您的 Android 应用程序 URL 上。你有 http://127.0.0.1:4984/db/。这会尝试连接到 Android 设备本身。

您需要在那里提供服务器的外部 IP 地址。您使用 "interface": "0.0.0.0:4984" 正确配置了 Sync Gateway。但是请注意，您在 ("GUEST": {"disabled": false, "admin_channels": ["*"] } 上具有来宾访问权限，因此您目前没有安全保障。

如何使用同步网关将数据发送到 couchbase 服务器，如何连接到同步网关，URL？

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