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From "Viliam Durina (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ZOOKEEPER-2814) Ignore space after comma in connection string
Date Wed, 21 Jun 2017 09:01:00 GMT
Viliam Durina created ZOOKEEPER-2814:

             Summary: Ignore space after comma in connection string
                 Key: ZOOKEEPER-2814
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2814
             Project: ZooKeeper
          Issue Type: Bug
    Affects Versions: 3.5.3
            Reporter: Viliam Durina
            Priority: Minor

I'm using the following connection string:


However, I get:

{{java.net.UnknownHostException: Name or service not known
at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:928)
at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1323)
at java.net.InetAddress.getAllByName0(InetAddress.java:1276)
at java.net.InetAddress.getAllByName(InetAddress.java:1192)
at java.net.InetAddress.getAllByName(InetAddress.java:1126)
at org.apache.zookeeper.client.StaticHostProvider.<init>(StaticHostProvider.java:61)
at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:445)
at ...

The problem was the space after the comma. I suggest to either make the space optional or
produce error on it, as this is a real pain to spot. Using the space also makes the connect
string more readable. Spaces are not allowed in domain names.

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