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From Suresh Srinivas <sur...@hortonworks.com>
Subject Re: Possible Length issue
Date Sun, 29 Dec 2013 21:17:09 GMT
Can you please share the details on the issue you found?

Sent from phone

> On Dec 29, 2013, at 1:04 PM, Dhaivat Pandya <dhaivatpandya@gmail.com> wrote:
> Actually, we can relegate this as a non-issue; I have found a different
> source of error in the system.
> On Sun, Dec 29, 2013 at 3:03 PM, Dhaivat Pandya <dhaivatpandya@gmail.com>wrote:
>> Anyone?
>> On Sat, Dec 28, 2013 at 1:06 PM, Dhaivat Pandya <dhaivatpandya@gmail.com>wrote:
>>> Hi,
>>> I've been working a lot with the Hadoop NameNode IPC protocol (while
>>> building a cache layer on top of Hadoop). I've noticed that for request
>>> packets coming from the default DFS client that do not have a method name,
>>> the length field is often *completely *off.
>>> For example, I've been looking at packets with length 1752330339. I
>>> thought this might have been an issue with my cache layer, so I checked
>>> with Wireshark, and found packets with such absurd length parameters
>>> (obviously, the packets themselves weren't actually that long; the length
>>> field was misrepresented).
>>> Unfortunately, I haven't had the opportunity to test this issue on other
>>> machines and setups (the reproducing steps should be running an "ls /" with
>>> the default DFS client and sniffing the packets to find the length
>>> parameter, release 1.2.1).
>>> Is this normal behavior, a bug or something I'm missing?
>>> Thank you,
>>> Dhaivat

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