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org.apache.http.ProtocolException: The server failed to respond with a valid HTTP response	at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:103)	at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:62)	at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:254)	at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:289)	at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:252)	at org.apache.http.impl.conn.ManagedClientConnectionImpl.receiveResponseHeader(ManagedClientConnectionImpl.java:191)	at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:300)	at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:127)	at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:716)	at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:521)	at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:906)	at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:805)	at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:784)	at download.httpclient.ssl.DownloadMain.run(DownloadMain.java:80)	at download.httpclient.ssl.DownloadMain.main(DownloadMain.java:31)