![]() Even on systems with fixes for both of these issues, the workaround might still be required in some cases. Resolution: The issue is expected to occur less frequently on systems with fixes for IMPALA-4978, IMPALA-5253, or both. (See the issue "hostname parameter is not passed to Impala catalog role" at the Cloudera Manager Known Issues page.) This problem might occur immediately after an upgrade of a CDH cluster, due to changes in Cloudera Manager that supplies the -hostname flag automatically If the daemons cannot determine the FQDN, Impala does not start on a kerberized cluster. Return the fully qualified domain name, depending on the network configuration. ![]() ![]() The method Impala uses to retrieve the host name while constructing the Kerberos principal is the gethostname() system call. ![]()
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January 2023
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