Alexei Nekrassov created FLINK-9784:
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Summary: Inconsistent use of 'static' in AsyncIOExample.java
Key: FLINK-9784
URL: https://issues.apache.org/jira/browse/FLINK-9784
Project: Flink
Issue Type: Bug
Components: Examples
Affects Versions: 1.4.2, 1.5.0
Reporter: Alexei Nekrassov
In SampleAsyncFunction having _executorService_ and _random_ as static, but
_counter_ as instance-specific will not work when someone creates a second
instance of SampleAsyncFunction. In second SampleAsyncFunction the _counter_
will be 0 and we will re-intialize static _executorService_ and _random_, thus
interfering with the first SampleAsyncFunction object.
To fix this example and make it clearer, make _executorService_ and _random_
instance-specific. That will make _counter_ redundant; also synchronization on
class will no longer be needed.
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