Github user okram commented on the issue:
https://github.com/apache/tinkerpop/pull/606
Please see https://github.com/apache/tinkerpop/pull/615 . Here is what I
did:
1. Created a JIRA first.
2. Fixed the problem.
3. Created a test case that fails with the problem, but succeeds with the
fix.
Note that the problem was in `until(Predicate)` which is a lambda and thus
your example using `has("x",2)` isn't calling the broken method -- its calling
`until(Traversal)`. Please see the test case in my PR (#615) and note the
lambda usage. Without the fix, `emit()` would be called instead an an infinite
loop occurs.
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