【发布时间】：2017-09-18 00:59:21
【问题描述】：
我下载了DataCollectionDemo（java 版）。它抛出以下错误
注意：我的 Kaa-sandbox 服务器在 AWS 上运行，没有网络连接问题
$ java -jar DataCollectionDemo.jar
2017-09-18 06:24:59,181 [main] INFO o.k.k.d.d.DataCollectionDemo - --= Data collection demo started =--
2017-09-18 06:25:02,869 [pool-2-thread-1] INFO o.k.k.d.d.DataCollectionDemo - --= Kaa client started =--
2017-09-18 06:25:04,868 [main] INFO o.k.k.d.d.DataCollectionDemo - --= Temperature measurement is started =--
2017-09-18 06:25:04,868 [main] INFO o.k.k.d.d.DataCollectionDemo - *** Press Enter to stop sending log records ***
2017-09-18 06:25:04,872 [pool-6-thread-1] INFO o.k.k.d.d.DataCollectionDemo - Log record {"temperature": 17, "timeStamp": 1505696104869} submitted for sending
2017-09-18 06:25:20,770 [pool-1-thread-1] ERROR o.k.k.c.c.i.c.DefaultBootstrapChannel - Failed to receive operation servers list {}
org.apache.http.conn.HttpHostConnectException: Connect to ec2-52-201-214-219.compute-1.amazonaws.com:9889 [ec2-52-201-214-219.compute-1.amazonaws.com/52.201.214.219] failed: Connection timed out: connect
at org.apache.http.impl.conn.HttpClientConnectionOperator.connect(HttpClientConnectionOperator.java:138) ~[DataCollectionDemo.jar:na]
at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:314) ~[DataCollectionDemo.jar:na]
at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:363) ~[DataCollectionDemo.jar:na]
at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:219) ~[DataCollectionDemo.jar:na]
at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:195) ~[DataCollectionDemo.jar:na]
at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:85) ~[DataCollectionDemo.jar:na]
at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:108) ~[DataCollectionDemo.jar:na]
at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:186) ~[DataCollectionDemo.jar:na]
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82) ~[DataCollectionDemo.jar:na]
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:106) ~[DataCollectionDemo.jar:na]
at org.kaaproject.kaa.client.transport.DesktopHttpClient.executeHttpRequest(DesktopHttpClient.java:74) ~[DataCollectionDemo.jar:na]
at org.kaaproject.kaa.client.channel.impl.channels.DefaultBootstrapChannel.processTypes(DefaultBootstrapChannel.java:56) ~[DataCollectionDemo.jar:na]
at org.kaaproject.kaa.client.channel.impl.channels.DefaultBootstrapChannel.access$200(DefaultBootstrapChannel.java:32) ~[DataCollectionDemo.jar:na]
at org.kaaproject.kaa.client.channel.impl.channels.DefaultBootstrapChannel$BootstrapRunnable.run(DefaultBootstrapChannel.java:92) ~[DataCollectionDemo.jar:na]
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [na:1.8.0_144]
at java.util.concurrent.FutureTask.run(Unknown Source) [na:1.8.0_144]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [na:1.8.0_144]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [na:1.8.0_144]
at java.lang.Thread.run(Unknown Source) [na:1.8.0_144]
Caused by: java.net.ConnectException: Connection timed out: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[na:1.8.0_144]
at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source) ~[na:1.8.0_144]
at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source) ~[na:1.8.0_144]
at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source) ~[na:1.8.0_144]
at java.net.AbstractPlainSocketImpl.connect(Unknown Source) ~[na:1.8.0_144]
at java.net.PlainSocketImpl.connect(Unknown Source) ~[na:1.8.0_144]
at java.net.SocksSocketImpl.connect(Unknown Source) ~[na:1.8.0_144]
at java.net.Socket.connect(Unknown Source) ~[na:1.8.0_144]
at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:72) ~[DataCollectionDemo.jar:na]
at org.apache.http.impl.conn.HttpClientConnectionOperator.connect(HttpClientConnectionOperator.java:118) ~[DataCollectionDemo.jar:na]
... 18 common frames omitted
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标签： kaa