[jira] [Created] (CASSANDRA-7952) DataStax Agent Null Pointer Exception

["Hari Sekhon (JIRA)" <ji...@apache.org>]

Hari Sekhon created CASSANDRA-7952:
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             Summary: DataStax Agent Null Pointer Exception
                 Key: CASSANDRA-7952
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7952
             Project: Cassandra
          Issue Type: Bug
         Environment: DSE 4.5.1, DataStax OpsCenter & Agent 5.0.0
            Reporter: Hari Sekhon


I've got a Null Pointer Exception in my DataStax OpsCenter Agent log, and it's not reporting in to the OpsCenter as a result. Here is the log
{code}
 INFO [StompConnection receiver] 2014-09-17 13:01:15,992 New JMX connection (127.0.0.1:7199)
 INFO [Jetty] 2014-09-17 13:01:16,019 Jetty server started
 INFO [Initialization] 2014-09-17 13:01:16,031 Using x.x.x.x as the cassandra broadcast address
 INFO [StompConnection receiver] 2014-09-17 13:01:16,032 Starting up agent collection.
 INFO [Initialization] 2014-09-17 13:01:16,162 agent RPC address is  x.x.x.x
 INFO [StompConnection receiver] 2014-09-17 13:01:16,162 agent RPC address is  x.x.x.x
 INFO [Initialization] 2014-09-17 13:01:16,162 agent RPC broadcast address is  x.x.x.x
 INFO [StompConnection receiver] 2014-09-17 13:01:16,162 agent RPC broadcast address is  x.x.x.x
 INFO [StompConnection receiver] 2014-09-17 13:01:16,163 Starting OS metric collectors (Linux)
 INFO [Initialization] 2014-09-17 13:01:16,166 Clearing ssl.truststore
 INFO [Initialization] 2014-09-17 13:01:16,166 Clearing ssl.truststore.password
 INFO [Initialization] 2014-09-17 13:01:16,167 Setting ssl.store.type to JKS
 INFO [Initialization] 2014-09-17 13:01:16,167 Clearing kerberos.service.principal.name
 INFO [Initialization] 2014-09-17 13:01:16,167 Clearing kerberos.principal
 INFO [Initialization] 2014-09-17 13:01:16,167 Setting kerberos.useTicketCache to true
 INFO [Initialization] 2014-09-17 13:01:16,167 Clearing kerberos.ticketCache
 INFO [Initialization] 2014-09-17 13:01:16,168 Setting kerberos.useKeyTab to true
 INFO [Initialization] 2014-09-17 13:01:16,168 Clearing kerberos.keyTab
 INFO [Initialization] 2014-09-17 13:01:16,168 Setting kerberos.renewTGT to true
 INFO [Initialization] 2014-09-17 13:01:16,168 Setting kerberos.debug to false
 INFO [StompConnection receiver] 2014-09-17 13:01:16,171 Starting Cassandra JMX metric collectors
 INFO [thrift-init] 2014-09-17 13:01:16,171 Connecting to Cassandra cluster: x.x.x.x (port 9160)
 INFO [StompConnection receiver] 2014-09-17 13:01:16,187 New JMX connection (127.0.0.1:7199)
 INFO [thrift-init] 2014-09-17 13:01:16,189 Downed Host Retry service started with queue size -1 and retry delay 10s
 INFO [thrift-init] 2014-09-17 13:01:16,192 Registering JMX me.prettyprint.cassandra.service_Agent Cluster:ServiceType=hector,MonitorType=hector
 INFO [pdp-loader] 2014-09-17 13:01:16,231 in execute with client org.apache.cassandra.thrift.Cassandra$Client@7a22c094
 INFO [pdp-loader] 2014-09-17 13:01:16,237 Attempting to load stored metric values.
 INFO [thrift-init] 2014-09-17 13:01:16,240 Connected to Cassandra cluster: PoC
 INFO [thrift-init] 2014-09-17 13:01:16,240 in execute with client org.apache.cassandra.thrift.Cassandra$Client@7a22c094
 INFO [thrift-init] 2014-09-17 13:01:16,240 Using partitioner: org.apache.cassandra.dht.Murmur3Partitioner
 INFO [jmx-metrics-1] 2014-09-17 13:01:21,181 New JMX connection (127.0.0.1:7199)
ERROR [StompConnection receiver] 2014-09-17 13:01:24,376 Failed to collect machine info
java.lang.NullPointerException
        at clojure.lang.Numbers.ops(Numbers.java:942)
        at clojure.lang.Numbers.divide(Numbers.java:157)
        at opsagent.nodedetails.machine_info$get_machine_info.invoke(machine_info.clj:76)
        at opsagent.nodedetails$get_static_properties$fn__4313.invoke(nodedetails.clj:161)
        at opsagent.nodedetails$get_static_properties.invoke(nodedetails.clj:160)
        at opsagent.nodedetails$get_longtime_values$fn__4426.invoke(nodedetails.clj:227)
        at opsagent.nodedetails$get_longtime_values.invoke(nodedetails.clj:226)
        at opsagent.nodedetails$send_all_nodedetails$fn__4444.invoke(nodedetails.clj:245)
        at opsagent.jmx$jmx_wrap.doInvoke(jmx.clj:111)
        at clojure.lang.RestFn.invoke(RestFn.java:410)
        at opsagent.nodedetails$send_all_nodedetails.invoke(nodedetails.clj:241)
        at opsagent.opsagent$post_interface_startup.doInvoke(opsagent.clj:125)
        at clojure.lang.RestFn.invoke(RestFn.java:421)
        at opsagent.conf$handle_new_conf.invoke(conf.clj:179)
        at opsagent.messaging$message_callback$fn__6059.invoke(messaging.clj:30)
        at opsagent.messaging.proxy$java.lang.Object$StompConnection$Listener$7f16bc72.onMessage(Unknown Source)
        at org.jgroups.client.StompConnection.notifyListeners(StompConnection.java:319)
        at org.jgroups.client.StompConnection.run(StompConnection.java:269)
        at java.lang.Thread.run(Thread.java:745)
{code}



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