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https://issues.apache.org/jira/browse/IMPALA-10140?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Quanlong Huang updated IMPALA-10140:
------------------------------------
Priority: Critical (was: Major)
> Throw CatalogException for query "create database if not exist" with sync_ddl
> as true
> -------------------------------------------------------------------------------------
>
> Key: IMPALA-10140
> URL: https://issues.apache.org/jira/browse/IMPALA-10140
> Project: IMPALA
> Issue Type: Bug
> Components: Catalog, Frontend
> Affects Versions: Impala 3.2.0
> Reporter: Wenzhe Zhou
> Priority: Critical
>
> Customer faced following error message randomly when running following query
> on impalad version 3.2.0-cdh6.3.2 RELEASE.
> ([https://jira.cloudera.com/browse/ENGESC-3589)|https://jira.cloudera.com/browse/ENGESC-3589]
> set sync_ddl =true ; create database if not exists $dbname;
> I0715 11:52:28.496253 51943 client-request-state.cc:187]
> a246b430fe450786:81647bd600000000] CatalogException: Couldn't retrieve the
> catalog topic version for the SYNC_DDL operation after 5 attempts.The
> operation has been su
> ccessfully executed but its effects may have not been broadcast to all the
> coordinators.
>
> From the Catalog server log, we can check following error message as well.
> I0715 11:01:50.143303 220286 jni-util.cc:256]
> org.apache.impala.catalog.CatalogException: Couldn't retrieve the catalog
> topic version for the SYNC_DDL operation after 5 attempts.The operation has
> been successfully executed but its effects may have not been broadcast to all
> the coordinators.
> at
> org.apache.impala.catalog.CatalogServiceCatalog.waitForSyncDdlVersion(CatalogServiceCatalog.java:2474)
> at
> org.apache.impala.service.CatalogOpExecutor.execDdlRequest(CatalogOpExecutor.java:374)
> at org.apache.impala.service.JniCatalog.execDdl(JniCatalog.java:154)
> This looks to be another variation of the conditions described in
> IMPALA-7961. But the difference here is that this case is with "CREATE
> DATABASE ... IF NOT EXISTS".
> The fix in IMPALA-7961 specifically targets the "CREATE TABLE ... IF NOT
> EXISTS" use case.
> To fix the issue, we should port the change in patch
> [https://gerrit.cloudera.org/#/c/12428/] to createDatabase() function.
>
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