Amazon S3 virtual-hosted-style buckets fail with java.net.UnknownHostException

[ddewaele]

I was testing s3Mock with a bucketname containing _ characters and all went well, until I swtiched the _ with -, and all of a sudden it was failing with

Caused by: java.net.UnknownHostException: some-bucket-name.s3-mock
	at java.net.InetAddress.getAllByName0(InetAddress.java:1281)
	at java.net.InetAddress.getAllByName(InetAddress.java:1193)
	at java.net.InetAddress.getAllByName(InetAddress.java:1127)
	at com.amazonaws.SystemDefaultDnsResolver.resolve(SystemDefaultDnsResolver.java:27)
	at com.amazonaws.http.DelegatingDnsResolver.resolve(DelegatingDnsResolver.java:38)
	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:112)
	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376)
	at sun.reflect.GeneratedMethodAccessor41.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.amazonaws.http.conn.ClientConnectionManagerFactory$Handler.invoke(ClientConnectionManagerFactory.java:76)
	at com.amazonaws.http.conn.$Proxy79.connect(Unknown Source)
	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393)
	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56)
	at com.amazonaws.http.apache.client.impl.SdkHttpClient.execute(SdkHttpClient.java:72)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeOneRequest(AmazonHttpClient.java:1236)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeHelper(AmazonHttpClient.java:1056)
	... 73 common frames omitted

It seems that AWS has deprecated path-style-api requests in favor of virtual addressing, leading to this issue.

What would be the best way to resolve this ?

[agudian]

We have a related feature description with #144.

The issue describes some ideas and challenges around it, but it wasn't picked up, yet. Contributions are welcome 🙂 .