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https://issues.apache.org/jira/browse/HBASE-20642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16517810#comment-16517810
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Ankit Singhal commented on HBASE-20642:
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Thanks [~stack] and [~elserj] for all the help in getting this fixed.
{quote}Doing nonce creation outside the call method is what makes it so we
don't make a new nonce on each invocation?
{quote}
Yes , so that call method will be called with the same nonce for retries.
{quote}So, the patch here makes it so call could complete even though Master
was restarted while call was going on (as long as new Master came up before
timeout)?
{quote}
Yes , the test restarts procedure executor after every step to simulate the
master failure.
{quote}Bit of doc for this...
public interface StepHook{
?
{quote}
Done in the latest patch. Fixed javac, whitespace and checkstyle warning as
well.
{quote}I learned/re-learned stuff reviewing this work.
{quote}
Same here, great learnings for me as well.
> IntegrationTestDDLMasterFailover throws 'InvalidFamilyOperationException
> -------------------------------------------------------------------------
>
> Key: HBASE-20642
> URL: https://issues.apache.org/jira/browse/HBASE-20642
> Project: HBase
> Issue Type: Bug
> Reporter: Ankit Singhal
> Assignee: Ankit Singhal
> Priority: Major
> Attachments: HBASE-20642.001.patch, HBASE-20642.002.patch,
> HBASE-20642.patch
>
>
> [~romil.choksi] reported that IntegrationTestDDLMasterFailover is failing
> while adding column family during the time master is restarting.
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