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https://issues.apache.org/jira/browse/FLINK-9234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16473438#comment-16473438
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Fabian Hueske commented on FLINK-9234:
--------------------------------------
I tried to reproduce this issue for 1.5 but it seems to work.
Flink 1.5 should be out soon (release candidate 2 was published two days ago).
We can merge a fix for 1.4, but would need to wait for 1.4.3 to be released
before it is publicly available (unless you build from the latest 1.4 branch).
[~StephanEwen], {{commons-configuration}} is used for the external catalog
support that was recently reworked for the unified table source generation. The
code that needs the dependency was deprecated. I think we can drop the code and
dependency for the 1.6 release.
> Commons Logging is missing from shaded Flink Table library
> ----------------------------------------------------------
>
> Key: FLINK-9234
> URL: https://issues.apache.org/jira/browse/FLINK-9234
> Project: Flink
> Issue Type: Bug
> Components: Table API & SQL
> Affects Versions: 1.4.2
> Environment: jdk1.8.0_172
> flink 1.4.2
> Mac High Sierra
> Reporter: Eron Wright
> Assignee: Timo Walther
> Priority: Blocker
> Attachments: repro.scala
>
>
> The flink-table shaded library seems to be missing some classes from
> {{org.apache.commons.logging}} that are required by
> {{org.apache.commons.configuration}}. Ran into the problem while using the
> external catalog support, on Flink 1.4.2.
> See attached a repro, which produces:
> {code}
> Exception in thread "main" java.lang.NoClassDefFoundError:
> org/apache/flink/table/shaded/org/apache/commons/logging/Log
> at
> org.apache.flink.table.catalog.ExternalTableSourceUtil$.parseScanPackagesFromConfigFile(ExternalTableSourceUtil.scala:153)
> at
> org.apache.flink.table.catalog.ExternalTableSourceUtil$.<init>(ExternalTableSourceUtil.scala:55)
> at
> org.apache.flink.table.catalog.ExternalTableSourceUtil$.<clinit>(ExternalTableSourceUtil.scala)
> at
> org.apache.flink.table.catalog.ExternalCatalogSchema.getTable(ExternalCatalogSchema.scala:78)
> at
> org.apache.calcite.jdbc.SimpleCalciteSchema.getImplicitTable(SimpleCalciteSchema.java:82)
> at
> org.apache.calcite.jdbc.CalciteSchema.getTable(CalciteSchema.java:256)
> at
> org.apache.calcite.jdbc.CalciteSchema$SchemaPlusImpl.getTable(CalciteSchema.java:561)
> at
> org.apache.flink.table.api.TableEnvironment.scanInternal(TableEnvironment.scala:497)
> at
> org.apache.flink.table.api.TableEnvironment.scan(TableEnvironment.scala:485)
> at Repro$.main(repro.scala:17)
> at Repro.main(repro.scala)
> {code}
> Dependencies:
> {code}
> compile 'org.slf4j:slf4j-api:1.7.25'
> compile 'org.slf4j:slf4j-log4j12:1.7.25'
> runtime 'log4j:log4j:1.2.17'
> compile 'org.apache.flink:flink-scala_2.11:1.4.2'
> compile 'org.apache.flink:flink-streaming-scala_2.11:1.4.2'
> compile 'org.apache.flink:flink-clients_2.11:1.4.2'
> compile 'org.apache.flink:flink-table_2.11:1.4.2'
> {code}
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