Files
spring-integration/spring-integration-file
Gary Russell 34bcd7d60c Synchronize RemoteFileUtils.makeDirectories()
https://stackoverflow.com/questions/55918648

Avoid the race with concurrent threads.

**cherry-pick to 5.x.x, 4.3.x**

(cherry picked from commit 130e1bba31)
2019-04-30 14:11:48 -04:00
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