[CASSANDRA-1697] Startup can fail if DNS lookup fails for seed node

• Type: Bug
• Status: Resolved
• Priority: Low
• Resolution: Fixed
• Fix Version/s: 0.6.7, 0.7.0 rc 1
• Severity: Low
• Assignee: Jonathan Ellis
• Reporter: Edward Capriolo

Authors

Jonathan Ellis

Reviewers

Gary Dusbabek

• Created: 02/Nov/10 16:21
• Updated: 16/Apr/19 09:33
• Resolved: 02/Nov/10 17:13

Description

This might fall into one of those WONT FIX scenarios, since not many things are going to work well with flaky DNS. This has only happened to me once, but I someone might be interested in the stack trace. In this case cdbsd01.hadoop.pvt is one of my seed nodes.

 INFO [main] 2010-11-02 11:52:00,141 CLibrary.java (line 43) JNA not found. Native methods will be disabled.
 INFO [main] 2010-11-02 11:52:00,421 DatabaseDescriptor.java (line 246) DiskAccessMode ismmap, indexAccessMode is mmap
ERROR [main] 2010-11-02 11:52:25,591 CassandraDaemon.java (line 232) Exception encountered during startup.
java.lang.ExceptionInInitializerError
	at org.apache.cassandra.thrift.CassandraDaemon.setup(CassandraDaemon.java:72)
	at org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:214)
Caused by: java.lang.RuntimeException: java.net.UnknownHostException: cdbsd01.hadoop.pvt
	at org.apache.cassandra.config.DatabaseDescriptor.<clinit>(DatabaseDescriptor.java:551)
	... 2 more
Caused by: java.net.UnknownHostException: cdbsd01.hadoop.pvt
	at java.net.Inet4AddressImpl.lookupAllHostAddr(Native Method)
	at java.net.InetAddress$1.lookupAllHostAddr(InetAddress.java:850)
	at java.net.InetAddress.getAddressFromNameService(InetAddress.java:1201)
	at java.net.InetAddress.getAllByName0(InetAddress.java:1154)
	at java.net.InetAddress.getAllByName(InetAddress.java:1084)
	at java.net.InetAddress.getAllByName(InetAddress.java:1020)
	at java.net.InetAddress.getByName(InetAddress.java:970)
	at org.apache.cassandra.config.DatabaseDescriptor.<clinit>(DatabaseDescriptor.java:540)
	... 2 more