[ 
https://issues.apache.org/jira/browse/STORM-2568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Haewan Jeong updated STORM-2568:
--------------------------------
    Description: 
Hello

I've tried to use storm-kafka-monitor, and it works fine on command line If I 
changed 'toollib/storm-kafka-monitor-*.jar' to 
'toollib/storm-kafka-monitor-1.1.0.jar'.

{code}
{"my-kafka-topic-name":{"0":{"consumerCommittedOffset": 74804998, 
"logHeadOffset": 74805483, "lag": 485},"1":{"consumerCommittedOffset": 
74804998, "logHeadOffset": 74805485, "lag": 
487},"2":{"consumerCommittedOffset": 74804995, "logHeadOffset": 74805485, 
"lag": 490},"3":{"consumerCommittedOffset": 74805001, "logHeadOffset": 
74805488, "lag": 487},"4":{"consumerCommittedOffset": 74805011, 
"logHeadOffset": 74805484, "lag": 473},"5":{"consumerCommittedOffset": 
74805009, "logHeadOffset": 74805485, "lag": 
476},"6":{"consumerCommittedOffset": 74805008, "logHeadOffset": 74805483, 
"lag": 475},"7":{"consumerCommittedOffset": 74805010, "logHeadOffset": 
74805484, "lag": 474},"8":{"consumerCommittedOffset": 73641446, 
"logHeadOffset": 74805488, "lag": 1164042},"9":{"consumerCommittedOffset": 
73641448, "logHeadOffset": 74805489, "lag": 
1164041},"10":{"consumerCommittedOffset": 73641443, "logHeadOffset": 74805483, 
"lag": 1164040},"11":{"consumerCommittedOffset": 73641445, "logHeadOffset": 
74805487, "lag": 1164042},"12":{"consumerCommittedOffset": 74805003, 
"logHeadOffset": 74805486, "lag": 483},"13":{"consumerCommittedOffset": 
74804999, "logHeadOffset": 74805482, "lag": 
483},"14":{"consumerCommittedOffset": 74805002, "logHeadOffset": 74805483, 
"lag": 481},"15":{"consumerCommittedOffset": 74805002, "logHeadOffset": 
74805484, "lag": 482},"16":{"consumerCommittedOffset": 74804994, 
"logHeadOffset": 74805482, "lag": 488},"17":{"consumerCommittedOffset": 
74805002, "logHeadOffset": 74805489, "lag": 
487},"18":{"consumerCommittedOffset": 74805003, "logHeadOffset": 74805488, 
"lag": 485},"19":{"consumerCommittedOffset": 74805003, "logHeadOffset": 
74805489, "lag": 486}}}
{code}

but it gives empty result when I call below api.

{code}
/api/v1/topology/:id/lag
...

{
"MySpoutName": {
"spoutLagResult": {},
"spoutId": "MySpoutName",
"spoutType": "KAFKA"
}
}
{code}

-I think that needs to fix "groupid" to "group.id" in TopologySpoutLag.java I 
debug it, but groupid is right.-

the reason was topics has square brackets in command. 



{code}
2017-06-23 19:55:56.725 o.a.s.u.TopologySpoutLag qtp426435961-51 [INFO] json 
configuration: {config.security.protocol=null, 
config.bootstrap.servers=kafka.xxx.com:9092, config.topics=[my-kafka-topic], 
config.groupid=my-storm-kafka-spout-groupid, topology.tasks=5}

2017-06-23 19:55:56.725 o.a.s.u.TopologySpoutLag qtp426435961-51 [INFO] 
/my/program/storm/bin/storm-kafka-monitor
2017-06-23 19:55:56.725 o.a.s.u.TopologySpoutLag qtp426435961-51 [INFO] -t
2017-06-23 19:55:56.725 o.a.s.u.TopologySpoutLag qtp426435961-51 [INFO] 
[my-kafka-topic]
2017-06-23 19:55:56.725 o.a.s.u.TopologySpoutLag qtp426435961-51 [INFO] -g
2017-06-23 19:55:56.725 o.a.s.u.TopologySpoutLag qtp426435961-51 [INFO] 
my-storm-kafka-spout-groupid
2017-06-23 19:55:56.725 o.a.s.u.TopologySpoutLag qtp426435961-51 [INFO] -b
2017-06-23 19:55:56.725 o.a.s.u.TopologySpoutLag qtp426435961-51 [INFO] 
kafka.xxx.com:9092
{code}

the square brackets automatically added because of this
{code}
package org.apache.storm.kafka.spout;
public class NamedSubscription extends Subscription {
...
    @Override
    public String getTopicsString() {
        return String.valueOf(topics);
    }
{code}
topics is Collections. so String.valueOf returns value with square brackets.

I fixed the code that remove square brackets in TopologySpoutLag.java. but I 
think that fixing 'getTopicsString of NamedSubscription.java in 
org.apache.storm.kafka.spout' is might be better. 


  was:
Hello

I've tried to use storm-kafka-monitor, and it works fine on command line If I 
changed 'toollib/storm-kafka-monitor-*.jar' to 
'toollib/storm-kafka-monitor-1.1.0.jar'.

{code}
{"my-kafka-topic-name":{"0":{"consumerCommittedOffset": 74804998, 
"logHeadOffset": 74805483, "lag": 485},"1":{"consumerCommittedOffset": 
74804998, "logHeadOffset": 74805485, "lag": 
487},"2":{"consumerCommittedOffset": 74804995, "logHeadOffset": 74805485, 
"lag": 490},"3":{"consumerCommittedOffset": 74805001, "logHeadOffset": 
74805488, "lag": 487},"4":{"consumerCommittedOffset": 74805011, 
"logHeadOffset": 74805484, "lag": 473},"5":{"consumerCommittedOffset": 
74805009, "logHeadOffset": 74805485, "lag": 
476},"6":{"consumerCommittedOffset": 74805008, "logHeadOffset": 74805483, 
"lag": 475},"7":{"consumerCommittedOffset": 74805010, "logHeadOffset": 
74805484, "lag": 474},"8":{"consumerCommittedOffset": 73641446, 
"logHeadOffset": 74805488, "lag": 1164042},"9":{"consumerCommittedOffset": 
73641448, "logHeadOffset": 74805489, "lag": 
1164041},"10":{"consumerCommittedOffset": 73641443, "logHeadOffset": 74805483, 
"lag": 1164040},"11":{"consumerCommittedOffset": 73641445, "logHeadOffset": 
74805487, "lag": 1164042},"12":{"consumerCommittedOffset": 74805003, 
"logHeadOffset": 74805486, "lag": 483},"13":{"consumerCommittedOffset": 
74804999, "logHeadOffset": 74805482, "lag": 
483},"14":{"consumerCommittedOffset": 74805002, "logHeadOffset": 74805483, 
"lag": 481},"15":{"consumerCommittedOffset": 74805002, "logHeadOffset": 
74805484, "lag": 482},"16":{"consumerCommittedOffset": 74804994, 
"logHeadOffset": 74805482, "lag": 488},"17":{"consumerCommittedOffset": 
74805002, "logHeadOffset": 74805489, "lag": 
487},"18":{"consumerCommittedOffset": 74805003, "logHeadOffset": 74805488, 
"lag": 485},"19":{"consumerCommittedOffset": 74805003, "logHeadOffset": 
74805489, "lag": 486}}}
{code}

but it gives empty result when I call below api.

{code}
/api/v1/topology/:id/lag
...

{
"MySpoutName": {
"spoutLagResult": {},
"spoutId": "MySpoutName",
"spoutType": "KAFKA"
}
}
{code}

-I think that needs to fix "groupid" to "group.id" in TopologySpoutLag.java I 
debug it, but groupid is right.-



> 'api/vi/topology/:id/lag' returns empty json {}
> -----------------------------------------------
>
>                 Key: STORM-2568
>                 URL: https://issues.apache.org/jira/browse/STORM-2568
>             Project: Apache Storm
>          Issue Type: Bug
>          Components: storm-core
>    Affects Versions: 1.1.0
>            Reporter: Haewan Jeong
>
> Hello
> I've tried to use storm-kafka-monitor, and it works fine on command line If I 
> changed 'toollib/storm-kafka-monitor-*.jar' to 
> 'toollib/storm-kafka-monitor-1.1.0.jar'.
> {code}
> {"my-kafka-topic-name":{"0":{"consumerCommittedOffset": 74804998, 
> "logHeadOffset": 74805483, "lag": 485},"1":{"consumerCommittedOffset": 
> 74804998, "logHeadOffset": 74805485, "lag": 
> 487},"2":{"consumerCommittedOffset": 74804995, "logHeadOffset": 74805485, 
> "lag": 490},"3":{"consumerCommittedOffset": 74805001, "logHeadOffset": 
> 74805488, "lag": 487},"4":{"consumerCommittedOffset": 74805011, 
> "logHeadOffset": 74805484, "lag": 473},"5":{"consumerCommittedOffset": 
> 74805009, "logHeadOffset": 74805485, "lag": 
> 476},"6":{"consumerCommittedOffset": 74805008, "logHeadOffset": 74805483, 
> "lag": 475},"7":{"consumerCommittedOffset": 74805010, "logHeadOffset": 
> 74805484, "lag": 474},"8":{"consumerCommittedOffset": 73641446, 
> "logHeadOffset": 74805488, "lag": 1164042},"9":{"consumerCommittedOffset": 
> 73641448, "logHeadOffset": 74805489, "lag": 
> 1164041},"10":{"consumerCommittedOffset": 73641443, "logHeadOffset": 
> 74805483, "lag": 1164040},"11":{"consumerCommittedOffset": 73641445, 
> "logHeadOffset": 74805487, "lag": 1164042},"12":{"consumerCommittedOffset": 
> 74805003, "logHeadOffset": 74805486, "lag": 
> 483},"13":{"consumerCommittedOffset": 74804999, "logHeadOffset": 74805482, 
> "lag": 483},"14":{"consumerCommittedOffset": 74805002, "logHeadOffset": 
> 74805483, "lag": 481},"15":{"consumerCommittedOffset": 74805002, 
> "logHeadOffset": 74805484, "lag": 482},"16":{"consumerCommittedOffset": 
> 74804994, "logHeadOffset": 74805482, "lag": 
> 488},"17":{"consumerCommittedOffset": 74805002, "logHeadOffset": 74805489, 
> "lag": 487},"18":{"consumerCommittedOffset": 74805003, "logHeadOffset": 
> 74805488, "lag": 485},"19":{"consumerCommittedOffset": 74805003, 
> "logHeadOffset": 74805489, "lag": 486}}}
> {code}
> but it gives empty result when I call below api.
> {code}
> /api/v1/topology/:id/lag
> ...
> {
> "MySpoutName": {
> "spoutLagResult": {},
> "spoutId": "MySpoutName",
> "spoutType": "KAFKA"
> }
> }
> {code}
> -I think that needs to fix "groupid" to "group.id" in TopologySpoutLag.java I 
> debug it, but groupid is right.-
> the reason was topics has square brackets in command. 
> {code}
> 2017-06-23 19:55:56.725 o.a.s.u.TopologySpoutLag qtp426435961-51 [INFO] json 
> configuration: {config.security.protocol=null, 
> config.bootstrap.servers=kafka.xxx.com:9092, config.topics=[my-kafka-topic], 
> config.groupid=my-storm-kafka-spout-groupid, topology.tasks=5}
> 2017-06-23 19:55:56.725 o.a.s.u.TopologySpoutLag qtp426435961-51 [INFO] 
> /my/program/storm/bin/storm-kafka-monitor
> 2017-06-23 19:55:56.725 o.a.s.u.TopologySpoutLag qtp426435961-51 [INFO] -t
> 2017-06-23 19:55:56.725 o.a.s.u.TopologySpoutLag qtp426435961-51 [INFO] 
> [my-kafka-topic]
> 2017-06-23 19:55:56.725 o.a.s.u.TopologySpoutLag qtp426435961-51 [INFO] -g
> 2017-06-23 19:55:56.725 o.a.s.u.TopologySpoutLag qtp426435961-51 [INFO] 
> my-storm-kafka-spout-groupid
> 2017-06-23 19:55:56.725 o.a.s.u.TopologySpoutLag qtp426435961-51 [INFO] -b
> 2017-06-23 19:55:56.725 o.a.s.u.TopologySpoutLag qtp426435961-51 [INFO] 
> kafka.xxx.com:9092
> {code}
> the square brackets automatically added because of this
> {code}
> package org.apache.storm.kafka.spout;
> public class NamedSubscription extends Subscription {
> ...
>     @Override
>     public String getTopicsString() {
>         return String.valueOf(topics);
>     }
> {code}
> topics is Collections. so String.valueOf returns value with square brackets.
> I fixed the code that remove square brackets in TopologySpoutLag.java. but I 
> think that fixing 'getTopicsString of NamedSubscription.java in 
> org.apache.storm.kafka.spout' is might be better. 



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