Github user tonycox commented on the issue:
https://github.com/apache/flink/pull/3149
@ramkrish86 You can use jhat to read hprof dump file.
If set `-XX:MaxPermSize=128m`
```xml
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.19.1</version>
<configuration>
<argLine>-XX:MaxPermSize=128m</argLine>
<!-- Enforce single fork execution due to heavy mini cluster
use in the tests -->
<forkCount>1</forkCount>
</configuration>
</plugin>
```
all tests will pass
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
