[
https://issues.apache.org/jira/browse/EAGLE-620?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Su Ralph resolved EAGLE-620.
----------------------------
Resolution: Fixed
> AlertEngine: SpoutWrapper are sending duplicated message.
> ---------------------------------------------------------
>
> Key: EAGLE-620
> URL: https://issues.apache.org/jira/browse/EAGLE-620
> Project: Eagle
> Issue Type: Bug
> Affects Versions: v0.5.0
> Reporter: Su Ralph
> Assignee: Su Ralph
> Priority: Blocker
> Fix For: v0.5.0
>
>
> An event of stream id "ncAlertOutputStream" will be send three times given
> below spec:
> process.network.alerts: [
> {
> topicName: "network_aggregate_alert_output_datasource",
> streamId: "ncAlertOutputStream",
> groupingStrategies: [
> {
> partition: {
> streamId: "ncAlertOutputStream",
> type: "GROUPBY",
> columns: [
> "entity"
> ]
> },
> numTotalParticipatingRouterBolts: 4,
> startSequence: 0,
> totalTargetBoltIds: [
> "streamRouterBolt0",
> "streamRouterBolt1",
> "streamRouterBolt2",
> "streamRouterBolt3"
> ]
> }
> ]
> },
> {
> topicName: "network_aggregate_alert_output_datasource",
> streamId: "sherlockAlertOutputStream",
> groupingStrategies: [
> {
> partition: {
> streamId: "sherlockAlertOutputStream",
> type: "GROUPBY",
> columns: [
> "entity"
> ]
> },
> numTotalParticipatingRouterBolts: 4,
> startSequence: 0,
> totalTargetBoltIds: [
> "streamRouterBolt0",
> "streamRouterBolt1",
> "streamRouterBolt2",
> "streamRouterBolt3"
> ]
> }
> ]
> },
> {
> topicName: "network_aggregate_alert_output_datasource",
> streamId: "correlatedAlertStream",
> groupingStrategies: [
> {
> partition: {
> streamId: "correlatedAlertStream",
> type: "GROUPBY",
> columns: [
> "linkedSwitch"
> ]
> },
> numTotalParticipatingRouterBolts: 4,
> startSequence: 0,
> totalTargetBoltIds: [
> "streamRouterBolt0",
> "streamRouterBolt1",
> "streamRouterBolt2",
> "streamRouterBolt3"
> ]
> }
> ]
> }
> ],
> The root cause is in SpoutOutputCollectorWrapper.emit() the streamId of group
> strategy is not compared with the given stream event.
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