com.google.appengine.tools.remoteapi.RemoteApiException: remote API call: I/O error
at com.google.appengine.tools.remoteapi.RemoteRpc.makeException(RemoteRpc.java:133)
at com.google.appengine.tools.remoteapi.RemoteRpc.callImpl(RemoteRpc.java:81)
at com.google.appengine.tools.remoteapi.RemoteRpc.call(RemoteRpc.java:40)
at com.google.appengine.tools.remoteapi.RemoteDatastore.runQuery(RemoteDatastore.java:116)
at com.google.appengine.tools.remoteapi.RemoteDatastore.handleRunQuery(RemoteDatastore.java:85)
at com.google.appengine.tools.remoteapi.RemoteDatastore.handleDatastoreCall(RemoteDatastore.java:63)
at com.google.appengine.tools.remoteapi.RemoteApiDelegate.makeSyncCall(RemoteApiDelegate.java:80)
at com.google.appengine.tools.remoteapi.RemoteApiDelegate$1.call(RemoteApiDelegate.java:102)
at com.google.appengine.tools.remoteapi.RemoteApiDelegate$1.call(RemoteApiDelegate.java:98)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:679)
Caused by: java.net.ConnectException: Connection refused
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:327)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:193)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:180)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:384)
at java.net.Socket.connect(Socket.java:546)
at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:579)
at sun.security.ssl.SSLSocketImpl.<init>(SSLSocketImpl.java:421)
at sun.security.ssl.SSLSocketFactoryImpl.createSocket(SSLSocketFactoryImpl.java:142)
at com.google.appengine.repackaged.org.apache.commons.httpclient.protocol.SSLProtocolSocketFactory.createSocket(Unknown Source)
at com.google.appengine.repackaged.org.apache.commons.httpclient.protocol.SSLProtocolSocketFactory.createSocket(Unknown Source)
at com.google.appengine.repackaged.org.apache.commons.httpclient.HttpConnection.open(Unknown Source)
at com.google.appengine.repackaged.org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$HttpConnectionAdapter.open(Unknown Source)
at com.google.appengine.repackaged.org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(Unknown Source)
at com.google.appengine.repackaged.org.apache.commons.httpclient.HttpMethodDirector.executeMethod(Unknown Source)
at com.google.appengine.repackaged.org.apache.commons.httpclient.HttpClient.executeMethod(Unknown Source)
at com.google.appengine.repackaged.org.apache.commons.httpclient.HttpClient.executeMethod(Unknown Source)
at com.google.appengine.tools.remoteapi.AppEngineHttpClient.post(AppEngineHttpClient.java:57)
at com.google.appengine.tools.remoteapi.RemoteRpc.callImpl(RemoteRpc.java:79)
... 12 more