George McCone created AMQ-9438:
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Summary: FailoverTransport throws UnknowHostException on compeURIs
Key: AMQ-9438
URL: https://issues.apache.org/jira/browse/AMQ-9438
Project: ActiveMQ Classic
Issue Type: Improvement
Components: Transport
Affects Versions: 5.16.7, 5.17.6, 5.18.3
Environment: This occurs using OpenJDK 11 on both Windows and Linux
environments.
Reporter: George McCone
In the org.apache.activemq.transport.failover.FailoverTransport.compareURIs(),
it is trying to compare 2 hosts to see if they are the same.
To accomplish this, the function InetAddress.getByName() used to help extract
out the the IP address of each of the hosts to see if they are the same.
In the event one of the hosts is not resolvable, InetAddress.getByName()
throws a UnknownHostException.
This UnknownHostException is not being caught in the try/catch block, only
IOException.
I believe the exception catch block should be extended to catch
UnknownHostException as it is simply doing a string compare that the 2 hosts
are the same at that point.
{code:java}
java.net.UnknownHostException: No such host is known (UNKNOWN)
at java.net.Inet4AddressImpl.lookupAllHostAddr(Native Method) ~[?:?]
at
java.net.InetAddress$PlatformNameService.lookupAllHostAddr(InetAddress.java:929)
~[?:?]
at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1519)
~[?:?]
at java.net.InetAddress$NameServiceAddresses.get(InetAddress.java:848)
~[?:?]
at java.net.InetAddress.getAllByName0(InetAddress.java:1509) ~[?:?]
at java.net.InetAddress.getAllByName(InetAddress.java:1368) ~[?:?]
at java.net.InetAddress.getAllByName(InetAddress.java:1302) ~[?:?]
at java.net.InetAddress.getByName(InetAddress.java:1252) ~[?:?]
at
org.apache.activemq.transport.failover.FailoverTransport.compareURIs(FailoverTransport.java:1393)
~[?:?] {code}
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