Dominik Wosiński created FLINK-9570:
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Summary: SQL Client merging environments uses AbstractMap
Key: FLINK-9570
URL: https://issues.apache.org/jira/browse/FLINK-9570
Project: Flink
Issue Type: Bug
Affects Versions: 1.5.0
Reporter: Dominik Wosiński
Currently _Environment.merge()_ function looks like below:
{code:java}
final Environment mergedEnv = new Environment();
// merge tables
final Map<String, TableDescriptor> tables = new HashMap<>(env1.getTables());
mergedEnv.getTables().putAll(env2.getTables());
mergedEnv.tables = tables;
{code}
and no-arg constructor for _Environment_ defaults tables to
_Collections.emptyMap()._
This basically results in calling _putAll_ on _EmptyMap_ which defaults to
_AbstractMap_ which always throws _UnsuppoertedOperationException._
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