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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (THRIFT-1805) Thrift should not swallow ALL exceptions
Date Sat, 01 Jul 2017 15:40:01 GMT


ASF GitHub Bot commented on THRIFT-1805:

Github user Jens-G commented on the issue:
    @ctubbsii: Could you please have a look at [THRIFT-4239](
Not sure if it has sth. to do with your patch, but it came up while looking for the cause,
so maybe you do have some input.

> Thrift should not swallow ALL exceptions
> ----------------------------------------
>                 Key: THRIFT-1805
>                 URL:
>             Project: Thrift
>          Issue Type: Bug
>          Components: Java - Compiler, Java - Library
>    Affects Versions: 0.9
>            Reporter: Diwaker Gupta
>            Assignee: Diwaker Gupta
>             Fix For: 0.11.0
>         Attachments: THRIFT-1805.patch
> In Thrift 0.8.0, Thrift generated Java code did not swallow application exceptions. As
a result of THRIFT-1658, this behavior changed in 0.9.0 and now the generated code swallows
ALL application exceptions (via ProcessFunction). Apparently this was the behavior in Thrift
0.6.0 and while I see the rationale, it is breaking our applications.
> Our code relies on the fact that exceptions can propagate outside of Thrift for certain
things (e.g., to aggressively drop connections for clients that send invalid/malformed requests).
ProcessFunction makes it near impossible to do this -- not only does it swallow the exception,
it also loses all information about the original exception and just writes out a generic TApplicationException.
> IMO ProcessFunction should only catch TException. If the application code wants to use
other exceptions for some reason (in particular, Errors and RuntimeExceptions), Thrift shouldn't
prevent that.

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