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https://issues.apache.org/jira/browse/HDDS-1355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16807062#comment-16807062
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Ajay Kumar commented on HDDS-1355:
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[~elek] thanks for reporting this. I tried to reproduce this with our secure
docker but it doesn't fail with this error. Is it specific to kubernetes. Om
host name in our ozonesecure is om (i.e not fqdn) and it works.
> Only FQDN is accepted for OM rpc address in secure environment
> --------------------------------------------------------------
>
> Key: HDDS-1355
> URL: https://issues.apache.org/jira/browse/HDDS-1355
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Reporter: Elek, Marton
> Priority: Major
>
> While the scm address can be a host name (relative to the current search
> domain) if the om address is just a hostname and not a FQDN a NPE is thrown:
> {code}
> 10 │ OZONE-SITE.XML_ozone.om.address: "om-0.om"
> 11 │ OZONE-SITE.XML_ozone.scm.client.address: "scm-0.scm"
> 12 │ OZONE-SITE.XML_ozone.scm.names: "scm-0.scm"
> {code}
> {code}
> 2019-03-29 14:37:52 ERROR OzoneManager:865 - Failed to start the OzoneManager.
> java.lang.NullPointerException
> at
> org.apache.hadoop.ozone.om.OzoneManager.getSCMSignedCert(OzoneManager.java:1372)
> at
> org.apache.hadoop.ozone.om.OzoneManager.initializeSecurity(OzoneManager.java:1018)
> at org.apache.hadoop.ozone.om.OzoneManager.omInit(OzoneManager.java:971)
> at org.apache.hadoop.ozone.om.OzoneManager.createOm(OzoneManager.java:928)
> at org.apache.hadoop.ozone.om.OzoneManager.main(OzoneManager.java:859)
> {code}
> I don't know what is the right validation rule here, but I am pretty sure
> that NPE should be avoided and a meaningful error should be thrown. (and the
> behaviour should be the same for scm and om)
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