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https://issues.apache.org/jira/browse/IMPALA-12526?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Smith resolved IMPALA-12526.
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Fix Version/s: Impala 4.4.0
Resolution: Fixed
> BackendConfig.INSTANCE could be null in the frontend test
> testResetMetadataDesc
> -------------------------------------------------------------------------------
>
> Key: IMPALA-12526
> URL: https://issues.apache.org/jira/browse/IMPALA-12526
> Project: IMPALA
> Issue Type: Bug
> Reporter: Fang-Yu Rao
> Assignee: Quanlong Huang
> Priority: Major
> Labels: broken-build, flaky-test
> Fix For: Impala 4.4.0
>
>
> We found that
> [BackendConfig.INSTANCE|https://github.com/apache/impala/blob/master/fe/src/main/java/org/apache/impala/analysis/ResetMetadataStmt.java#L265]
> could be null in the frontend test
> [testResetMetadataDesc()|https://github.com/apache/impala/blob/master/fe/src/test/java/org/apache/impala/util/CatalogOpUtilTest.java#L65]
> and thus
> [ResetMetadataStmt#toThrift()|https://github.com/apache/impala/blob/master/fe/src/main/java/org/apache/impala/analysis/ResetMetadataStmt.java#L265]
> could fail with the following error.
> {code}
> Cannot invoke "org.apache.impala.service.BackendConfig.getHostname()" because
> "org.apache.impala.service.BackendConfig.INSTANCE" is null
> {code}
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