Hey guys,

I was wondering if anyone had been experiencing intermittent exceptions 
when securely connecting to an AppEngine servlet through 
the DefaultHttpClient? I've occasionally been getting execptions about 
certificates, closed connections, host unknown, etc... but only sometimes. 
I am using the -dot- notation, so I don't think that this error is related 
to my endpoint URL specifically. A sample of the exceptions are:

org.apache.http.conn.HttpHostConnectException: Connection to 
https://engine004-dot-myapplication.appspot.com refused
at 
org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:183)
at 
org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:164)
at 
org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:119)
...
Caused by: java.net.SocketException: failed to connect to /173.194.77.141 
(port 443) after 15000ms: isConnected failed: EHOSTUNREACH (No route to 
host)
at libcore.io.IoBridge.isConnected(IoBridge.java:230)
at libcore.io.IoBridge.connectErrno(IoBridge.java:161)
at libcore.io.IoBridge.connect(IoBridge.java:112)
...

and

javax.net.ssl.SSLPeerUnverifiedException: No peer certificate
at 
org.apache.harmony.xnet.provider.jsse.SSLSessionImpl.getPeerCertificates(SSLSessionImpl.java:137)
at 
org.apache.http.conn.ssl.AbstractVerifier.verify(AbstractVerifier.java:93)
at 
org.apache.http.conn.ssl.SSLSocketFactory.createSocket(SSLSocketFactory.java:381)
...

I initially just assumed that there was an issue with the phone 
connectivity, but now with this peer certificate issue I'm not so sure 
anymore.

Does anyone have any ideas or suggestsions?

Thanks!

E

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