Andy Tolbert created TINKERPOP-1675:
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Summary: RemoteStep#processNextStart() throws CompletionException
instead of underlying exception
Key: TINKERPOP-1675
URL: https://issues.apache.org/jira/browse/TINKERPOP-1675
Project: TinkerPop
Issue Type: Bug
Components: process
Affects Versions: 3.2.4
Reporter: Andy Tolbert
There is a slight behavior change in TinkerPop 3.2.4 as it pertains to an
exception thrown when processing a traversal on a remote traversal source.
In 3.2.3, if an unchecked exception is thrown, it is propagated directly to the
user.
However, in 3.2.4, since RemoteStep#processNextStart() now calls
RemoteStep#promise() and joins on the returning futures result, if the future
fails a {{CompletionException}} is thrown wrapping the cause, instead of the
cause itself.
For consistency, if that exception is an unchecked exception, it should be
thrown directly, otherwise it should be wrapped in an {{IllegalStateException}}
as it did before.
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