Github user spmallette commented on the pull request:
https://github.com/apache/incubator-tinkerpop/pull/184#issuecomment-166580595
Not sure why travis didn't pick this up for build, but I pulled the changes
and it failed for me too. It's a subtle problem, but the fix is to add this
method to your `ManagedGraphProvider`:
```java
@Override
public String getWorkingDirectory() {
return innerGraphProvider.getWorkingDirectory();
}
```
Without that, HDFS gets the wrong directory and the assert fails. Please
try that and see if it fixes your problem with the build. If all good, please
update your PR and we can review in full.
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