Paulo Motta created CASSANDRA-11073:
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Summary: Cannot contact other nodes on Windows 7 ccm
Key: CASSANDRA-11073
URL: https://issues.apache.org/jira/browse/CASSANDRA-11073
Project: Cassandra
Issue Type: Bug
Components: Streaming and Messaging
Environment: windows 7
Reporter: Paulo Motta
Assignee: Paulo Motta
Priority: Minor
Before CASSANDRA-9309 was fixed the {{OutboundTcpConnectionPool}} did not bind
the client socket to a specific ip/port, so the Windows kernel always picked
{{127.0.0.1:random_port}} as client socket address for ccm nodes, regardless of
the {{listen_address}} value.
After fixing CASSANDRA-9309 the {{OutboundTcpConnectionPool}} now binds
outgoing client sockets to {{listen_address:random_port}}.
So any ccm cluster with more than one node will bind client sockets to
{{127.0.0.n}} where n is the node id.
However, the nodes cannot contact each other because connections remain in the
{{SYN_SENT}} state on Windows 7, as shown by netstats:
{noformat}
TCP 127.0.0.2:50908 127.0.0.1:7000 SYN_SENT
{noformat}
This bug is preventing the execution of dtests on Windows 7, and was also
experienced by [~Stefania].
I suspect its a configuration/environment problem, but firewall and group
policies are disabled. The funny thing is that it does not happen on cassci,
but afaik there are no Windows 7 nodes there
Commenting [this
line|https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/net/OutboundTcpConnectionPool.java#L139]
fixes the issue, but it's definitely not a solution.
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