http://www.datastax.com/support-forums/topic/opscenter-is-listening-in-the-localhost127001-ip-with-port-61620-how-to-modify-this Software, Support, and Training for Apache Cassandra en-US Sun, 19 May 2013 23:48:32 +0000 http://bbpress.org/?v=1.0.3 q http://www.datastax.com/support-forums/search.php http://www.datastax.com/support-forums/topic/opscenter-is-listening-in-the-localhost127001-ip-with-port-61620-how-to-modify-this#post-1078 Tue, 31 Jan 2012 21:23:26 +0000 Anonymous 1078@http://www.datastax.com/support-forums/ <p>I have added the following parameter under [agents] in opscenterd.conf</p> <p>incoming_interface = 10.#.#.36</p> <p>and restarted opscenter.</p> <p>It started listening correctly in the given IP and the agent is able to connect and fetch the data and show in dashboard. </p> http://www.datastax.com/support-forums/topic/opscenter-is-listening-in-the-localhost127001-ip-with-port-61620-how-to-modify-this#post-1077 Tue, 31 Jan 2012 21:19:04 +0000 thobbs 1077@http://www.datastax.com/support-forums/ <p>This indicates that opscenterd is listening on all interfaces (0.0.0.0), not just 127.0.0.1:</p> <blockquote><p> tcp 0 0 127.0.0.1:61620 0.0.0.0:* LISTEN 6403/python2.6 </p></blockquote> <p>Can you verify that you don't have any firewall issues by telnetting from one of the Cassandra nodes to the opscenterd machine on port 61620? </p> http://www.datastax.com/support-forums/topic/opscenter-is-listening-in-the-localhost127001-ip-with-port-61620-how-to-modify-this#post-1076 Tue, 31 Jan 2012 20:56:19 +0000 Anonymous 1076@http://www.datastax.com/support-forums/ <p>opscenter version is 1.4 </p> http://www.datastax.com/support-forums/topic/opscenter-is-listening-in-the-localhost127001-ip-with-port-61620-how-to-modify-this#post-1075 Tue, 31 Jan 2012 20:21:34 +0000 Anonymous 1075@http://www.datastax.com/support-forums/ <p>Opscenter had indentified the 3 nodes from the cluster, but it is unable to connect to the agent running in the cassandra node and shows No Data Avaiable for all metics in the dashboard.</p> <p># tail opscenterd.log<br /> 2012-01-31 15:08:24-0500 [] DEBUG: Getting nodelist over thrift<br /> 2012-01-31 15:08:54-0500 [] DEBUG: Getting nodelist over thrift<br /> 2012-01-31 15:09:22-0500 [] DEBUG: Average opscenterd CPU usage: 0.58%, memory usage: 0 MB<br /> 2012-01-31 15:09:24-0500 [] DEBUG: Collecting topology info for node 10.##.##.76<br /> 2012-01-31 15:09:24-0500 [] ERROR: Error collecting datacenter: No agents available to query.<br /> 2012-01-31 15:09:24-0500 [] DEBUG: Collecting topology info for node 10.##.##.49<br /> 2012-01-31 15:09:24-0500 [] ERROR: Error collecting datacenter: No agents available to query.<br /> 2012-01-31 15:09:24-0500 [] DEBUG: Collecting topology info for node 10.##.##.77<br /> 2012-01-31 15:09:24-0500 [] ERROR: Error collecting datacenter: No agents available to query.<br /> 2012-01-31 15:09:54-0500 [] DEBUG: Getting nodelist over thrift</p> <p># netstat -anp | grep 616<br /> tcp 0 0 127.0.0.1:61619 0.0.0.0:* LISTEN 6403/python2.6<br /> tcp 0 0 127.0.0.1:61620 0.0.0.0:* LISTEN 6403/python2.6<br /> tcp 0 0 127.0.0.1:61619 127.0.0.1:64691 ESTABLISHED 6403/python2.6<br /> tcp 0 0 127.0.0.1:64691 127.0.0.1:61619 ESTABLISHED 6403/python2.6</p> <p># ps -ef | grep opsc<br /> root 6403 1 0 13:29 ? 00:00:48 /usr/bin/python2.6 ./bin/twistd -oy bin/start_opscenter.py</p> <p>logs at the agent</p> <p># tail agent.log<br /> ERROR [StompConnection receiver] 2012-01-31 15:06:58,335 failed connecting to 10.##.##.36:61620:java.net.ConnectException: Connection refused<br /> INFO [StompConnection receiver] 2012-01-31 15:06:58,335 Reconnecting in 60s.<br /> ERROR [StompConnection receiver] 2012-01-31 15:07:58,391 failed connecting to 10.##.##.36:61620:java.net.ConnectException: Connection refused<br /> INFO [StompConnection receiver] 2012-01-31 15:07:58,391 Reconnecting in 60s.<br /> ERROR [StompConnection receiver] 2012-01-31 15:08:58,402 failed connecting to 10.##.##.36:61620:java.net.ConnectException: Connection refused<br /> INFO [StompConnection receiver] 2012-01-31 15:08:58,403 Reconnecting in 60s.<br /> ERROR [StompConnection receiver] 2012-01-31 15:09:58,414 failed connecting to 10.##.##.36:61620:java.net.ConnectException: Connection refused<br /> INFO [StompConnection receiver] 2012-01-31 15:09:58,415 Reconnecting in 60s.<br /> ERROR [StompConnection receiver] 2012-01-31 15:10:58,425 failed connecting to 10.##.##.36:61620:java.net.ConnectException: Connection refused<br /> INFO [StompConnection receiver] 2012-01-31 15:10:58,425 Reconnecting in 60s.</p> <p>opscenter is listening in the localhost IP with 61620 - how to modify this?</p> <p>Thanks<br /> meymey </p>