Hi Alexey,

thanks for looking into it.

I'd like to share the result from tls_handshake-test since that seems to be 
getting closer to the root cause:

[ RUN      ] TestTlsHandshake.TestHandshakeSequence
/home/cvaliente/git/kudu/src/kudu/security/tls_handshake-test.cc:206: Failure
Value of: client.Continue(buf1, &buf2).IsIncomplete()
  Actual: false
Expected: true

it fails at this position:

  // Client receives server Hello and sends client Finished
  ASSERT_TRUE(client.Continue(buf1, &buf2).IsIncomplete());


So for some reason the client believes it has not finished yet.


Cheers

Clemens

________________________________
From: Alexey Serbin <[email protected]>
Sent: 19 April 2019 18:10:51
To: dev
Subject: Re: java unit tests failing when starting MiniKuduCluster

Hi Clemens,

Thank you for the information.  Yes, to me it looks like an issue with IO
over TLS-encrypted channels.  I don't have access to Fedora29 and newer, so
I didn't do any troubleshooting/debugging this time.  However, if you
really want to run on Fedora29, you can disable authentication and
encryption (--rpc_authentication=disabled --rpc_encryption=disabled) and it
seems that should work fine on Fedora29.  Other options are running on
Linux platforms that are currently listed at
https://kudu.apache.org/docs/installation.html#_prerequisites_and_requirements
or going forward with troubleshooting on your own, where good starting
points might be tls_handshake-test and tls_socket-test in addition to
negotiation-test.

I'm also planning to take a look at the issue soon.  I'll let you know once
I find anything of particular interest there.


Kind regards,

Alexey

On Thu, Apr 18, 2019 at 2:14 AM Clemens Valiente <
[email protected]> wrote:

> Hi Alexey,
>
>
> find the tests attached.
>
> The pattern that I can see is that the successful tests are those without
> a signed certificate (server: {pki: NONE) and the ones with disabled
> encryption on client- or serverside (encryption: DISABLED) - but those
> last ones are not supposed to establish a successful connection anyway.
>
> The failed tests all require some signed key on the server's side and
> encryption supported by both sides. So it might hint at an SSL issue.
>
> I am using a FIPS enabled version of openssl:
>
> OpenSSL 1.1.1b FIPS  26 Feb 2019
>
>
> Cheers
>
> Clemens
> ------------------------------
> *From:* Alexey Serbin <[email protected]>
> *Sent:* 17 April 2019 20:49:29
> *To:* dev
> *Subject:* Re: java unit tests failing when starting MiniKuduCluster
>
> Hi Clemens,
>
> Could you run the negotiation-test (built without your patch) and attach
> the output?  The test loops through various combinations of client/server
> configurations, so it would be much easier to see what works and what not.
> I suspect there might be some issues related to the combination of newer
> glibc and OpenSSL libraries.
>
>
> Kind regards,
>
> Alexey
>
> On Wed, Apr 17, 2019 at 3:07 AM Clemens Valiente <
> [email protected]> wrote:
>
> > Hi Adar,
> >
> > thanks for looking into it.
> >
> > I had to apply the patches mentioned in KUDU-2770 to be able to build
> kudu
> > at all. As mentioned in the ticket, I am using fedora 29 which comes with
> > glibc 2.28.
> >
> > I made sure that everything built correctly and ran the c++ tests and got
> > many failing tests. They all seem to occur when trying to connect, the
> > first stacktrace usually leads to
> >
> >
> > 0417 12:01:53.737010 (+  3212us) negotiation.cc:304] Negotiation
> complete:
> > IO error: Server connection negotiation failed: server connection from
> > 127.4.196.1:38781: received invalid message of size 386073344 which
> > exceeds the rpc_max_message_size of 52428800 bytes
> >
> >
> > This message size of 386073344 bytes is the same across all failed tests
> > so I suspect that to be part of the issue, but I haven't been able to
> > figure out what is inside that message. Is there any debug logging I
> could
> > activate on the tests? I can now easily reproduce a failure with
> >
> >
> > bin/rpc_line_item_dao-test --gtest_filter=RpcLineItemDAOTest.TestInsert
> >
> >
> > Thanks a lot for the help
> >
> > Clemens
> >
> >
> > ------------------------------
> > *From:* Adar Lieber-Dembo <[email protected]>
> > *Sent:* 16 April 2019 21:15:23
> > *To:* [email protected]
> > *Subject:* Re: java unit tests failing when starting MiniKuduCluster
> >
> > I'm guessing it's something to do with your local system. You had
> > previously filed KUDU-2770 regarding incompatibilities with newer
> > versions of glibc; what system/distro are you running on? Are you
> > using _any_ Kudu patches whatsoever, even just to get the build (or
> > thirdparty build) working?
> >
> > FWIW, these tests pass locally for me (running against master) and
> > they're passing in Kudu precommit tests regularly. Could you try to
> > run the C++ test suite? They're easier to debug when they fail.
> >
> > On Tue, Apr 16, 2019 at 12:53 AM Clemens Valiente
> > <[email protected]> wrote:
> > >
> > > Hi,
> > >
> > >
> > > I added these flags after the initial runs that complained about
> > rpc_max_message_size exceeded in the tests. That got me one step further
> to
> > the connection failed error.
> > >
> > >
> > > I tried running the tests both on master and on the kudu 1.9.0 release
> > (with the appropriate kudu build), with and without my patch.
> > >
> > > ________________________________
> > > From: Adar Lieber-Dembo <[email protected]>
> > > Sent: 14 April 2019 19:59:45
> > > To: [email protected]
> > > Subject: Re: java unit tests failing when starting MiniKuduCluster
> > >
> > > It might be related to your local changes. This caught my eye:
> > >
> > >   extra_master_flags: "--rpc_max_message_size=3860733440"
> > >   extra_tserver_flags: "--rpc_max_message_size=3860733440"
> > >
> > > Why did you have to add this configuration? What happens if you remove
> > > it? On a related note, do the tests still fail if you rebuild from a
> > > clean working tree (i.e. without your patches)?
> > >
> > > On Sat, Apr 13, 2019 at 12:52 PM Clemens Valiente
> > > <[email protected]> wrote:
> > > >
> > > > Hi,
> > > >
> > > > I have a few fixes for the kudu-mapreduce package and wanted to add
> > unit tests but neither the existing nor the newly added unit tests can be
> > run on my system.
> > > >
> > > > I managed to build kudu and theMiniKuduCluster starts up but then
> > fails with connection/timeout issues.
> > > >
> > > > I think this might point at the problem:
> > > >
> > > > 16:42:05.780 [INFO - cluster stderr printer]
> > (MiniKuduCluster.java:543) 0410 16:42:05.779084 (+3053866us)
> > negotiation.cc:304] Negotiation complete: Timed out: Server connection
> > negotiation failed: server connection from 127.0.0.1:60698
> > > >
> > > > Though I have no explanation as to why kudu would not be able to make
> > local connections within my machine. (fedora 29, OpenSSL 1.1.1b FIPS  26
> > Feb 2019)
> > > > I attached the full test report. Can someone help me figure out how
> to
> > further debug this, or is there any additional information I can provide?
> > > >
> > > > Best Regards
> > > > Clemens Valiente
> >
>

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