closing input stream of S3 Object, otherwise TimeoutConnections occured ...

...while restoring backup from S3.
see log:
INFO 15:34:03,010 Unable to execute HTTP request: Timeout waiting for connection
org.apache.http.conn.ConnectionPoolTimeoutException: Timeout waiting for connection
        at org.apache.http.impl.conn.tsccm.ConnPoolByRoute.getEntryBlocking(ConnPoolByRoute.java:417)
        at org.apache.http.impl.conn.tsccm.ConnPoolByRoute$1.getPoolEntry(ConnPoolByRoute.java:300)
        at org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager$1.getConnection(ThreadSafeClientConnManager.java:224)
        at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:391)
        at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:820)
        at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:754)
        at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:732)
        at com.amazonaws.http.AmazonHttpClient.executeHelper(AmazonHttpClient.java:280)
        at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:165)
        at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:2949)
        at com.amazonaws.services.s3.AmazonS3Client.getObject(AmazonS3Client.java:885)
        at com.amazonaws.services.s3.AmazonS3Client.getObject(AmazonS3Client.java:775)
        at com.netflix.priam.aws.S3FileSystem.download(S3FileSystem.java:147)
        at com.netflix.priam.aws.S3FileSystem.download(S3FileSystem.java:350)