[infinispan-issues] [JBoss JIRA] (ISPN-4975) Cross site state transfer - status of push gets stuck at "SENDING" after being cancelled

[Matej Čimbora (JIRA)]

Matej Čimbora created ISPN-4975:
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             Summary: Cross site state transfer - status of push gets stuck at "SENDING" after being cancelled
                 Key: ISPN-4975
                 URL: https://issues.jboss.org/browse/ISPN-4975
             Project: Infinispan
          Issue Type: Bug
          Components: State Transfer
    Affects Versions: 7.0.0.Final
            Reporter: Matej Čimbora
            Assignee: Pedro Ruivo


After invoking: site --cancelpush backupSite on the producer site, status of the push operation seems to get stuck at "SENDING" value (tested by site --pushstatus), even if state transfer is not currently in progress.
Invoking site --cancelreceive mainSite on the consumer site works correctly. New invocation of site --push backupsite leads to "X-Site state transfer to '%s' already started!" being displayed. The issue seems to be caused by XSiteStateTransferManagerImpl.siteCollector not being cleared.

Used configuration: 
distributed caches, site A: 2 nodes, site B: 3 nodes, B is a backup for A.

Scenario
- Start A,B
- Take B offline using takeSiteOffline
- Load data into A
- Push state into B
- CancelPushState B
-- PushStateStatus remains stuck at SENDING & new push is not possible



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