[jboss-jira] [JBoss JIRA] (JGRP-1872) Table: purge() with incorrect seqnos moves HD/LOW back

[Bela Ban (JIRA)]

Bela Ban created JGRP-1872:
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             Summary: Table: purge() with incorrect seqnos moves HD/LOW back
                 Key: JGRP-1872
                 URL: https://issues.jboss.org/browse/JGRP-1872
             Project: JGroups
          Issue Type: Bug
      Security Level: Public (Everyone can see)
            Reporter: Bela Ban
            Assignee: Bela Ban
             Fix For: 3.5


When we have a Table with {{low=40, hd=40, hr=45}} and receive a {{purge(30,true)}}, then the table will be {{low=20,hd=20,hr=45}}.
This only happens with parameter {{force}} being {{true}}.
This doesn't cause any bugs, but until the next (correct) {{purge()}} is invoked, the table will show and incorrect number of missing messages.

SOLUTION: add the check to the start of {{purge()}}:
{code}
if(seqno <= low) // perhaps check for force as well
    return;
{code}



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