When getting the tokens of the current node, we use the get_token api
call with the local broadcast address.
The current implementation that tries to figure it out from the
configuration is prone to error.
Currently in a configuration where the broadcast address is set to the
local API and the listening API is set to 127.0.0.1 we get a call to
nodetool info will return an exception:
ID : 54185d5d-6f62-4884-814c-5d17c2776de9
Gossip active : true
Thrift active : true
Native Transport active: true
Load : 178.09 KB
Generation No : 1458349593
Uptime (seconds) : 11
Heap Memory (MB) : 47.23 / 247.50
Off Heap Memory (MB) : 2.75
error: Index: 0, Size: 0
-- StackTrace --
java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
at java.util.ArrayList.rangeCheck(ArrayList.java:653)
at java.util.ArrayList.get(ArrayList.java:429)
at org.apache.cassandra.tools.NodeProbe.getEndpoint(NodeProbe.java:812)
at org.apache.cassandra.tools.NodeProbe.getDataCenter(NodeProbe.java:830)
at org.apache.cassandra.tools.NodeTool$Info.execute(NodeTool.java:425)
at org.apache.cassandra.tools.NodeTool$NodeToolCmd.run(NodeTool.java:288)
at org.apache.cassandra.tools.NodeTool.main(NodeTool.java:202)
Becasue getTokens will return an empty list.
This patch changed how broadcast address is deduct. It Adds a reverse
mapping from hostid to ip address and use it with the get local id to
find the ip address in use.
This implementation would probably be replaced by a single API call in
the future.
After the change a call to nodetool info works.
Fixesscylladb/scylla#1027
Signed-off-by: Amnon Heiman <amnon@scylladb.com>
Message-Id: <1458405434-8491-3-git-send-email-amnon@scylladb.com>