[FLINK-15093] StreamExecutionEnvironment does not clear transformations when executing

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 1.10.0
• Fix Version/s: 1.10.0
• Component/s: API / DataStream
• Labels: pull-request-available
• Assignee: Danny Chen
• Reporter: Jeff Zhang
• Created: 06/Dec/19 08:50
• Updated: 10/Dec/19 14:41
• Resolved: 10/Dec/19 14:39

Description

Use the following code in scala shell to reproduce this issue.

val data = senv.fromElements("hello world", "hello flink", "hello hadoop")
data.flatMap(line => line.split("\\s")).
    map(w => (w, 1)).
    keyBy(0).
    sum(1).
    print

senv.execute()

data.flatMap(line => line.split("\\s")).
    map(w => (w, 1)).
    keyBy(0).
    sum(1).
    print

senv.execute()

Issue Links

• links to: GitHub Pull Request #10491