Nice diagnosis, Kyle.

…was not going to think of that, thank you.

sudo lsof -i -n -P | grep 8081

firefox    2018      mpatterson  115u  IPv4 0xc79caf16386****      0t0    TCP 
192.168.2.107:55582->18.209.126.59:8081 (ESTABLISHED)

firefox    2018      mpatterson  234u  IPv4 0xc79caf164d6****      0t0    TCP 
10.30.32.214:56132->54.144.67.115:8081 (ESTABLISHED)


On to the next thing!


From: Kyle Weaver <kcwea...@google.com>
Reply-To: "user@beam.apache.org" <user@beam.apache.org>
Date: Monday, September 23, 2019 at 4:19 PM
To: "user@beam.apache.org" <user@beam.apache.org>
Subject: Re: Word-count example

CAUTION: This email originated from outside of the organization. Do not click 
links or open attachments unless you recognize the sender and know the content 
is safe.

If there are no jobs or logs appearing in the Flink UI, it is likely that the 
pipeline is not being submitted to the Flink cluster successfully. (Right now, 
there is no timeout on pipeline submission, but I would like to see that 
changed; see 
https://issues.apache.org/jira/browse/BEAM-7933<https://nam01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fissues.apache.org%2Fjira%2Fbrowse%2FBEAM-7933&data=02%7C01%7Cmpatterson%40aligntech.com%7Cabb0305d58fe46d786a208d7406358c7%7C9ac44c96980a481bae23d8f56b82c605%7C0%7C0%7C637048667759357273&sdata=pYz%2FPe1nxq%2BXG5YvNOa3JmlIgZYB3h4OtBYd4tXHddQ%3D&reserved=0>.)

I would start by making sure there are no unneeded Flink clusters, job servers, 
etc. left running on your machine, as port conflicts can cause silent failures.

Kyle Weaver | Software Engineer | 
github.com/ibzib<https://nam01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fgithub.com%2Fibzib&data=02%7C01%7Cmpatterson%40aligntech.com%7Cabb0305d58fe46d786a208d7406358c7%7C9ac44c96980a481bae23d8f56b82c605%7C0%7C0%7C637048667759367268&sdata=ttv1XygS09045JCmq0%2BNfw9PGW8504YQhzVpFVxT9%2Bc%3D&reserved=0>
 | kcwea...@google.com<mailto:kcwea...@google.com>


On Mon, Sep 23, 2019 at 12:58 PM Matthew Patterson 
<mpatter...@aligntech.com<mailto:mpatter...@aligntech.com>> wrote:

Kyle, right: saw that. Grabbing at anything.



The process on the client seems to submit, or at least not bomb, but the 
cluster does not acknowledge a running job. It is possible I have not waited 
long enough yet, and images are still being downloaded & launched.

2.16 section on FlinkRunner does not have (that I found) help on gathering 
logs: might you point me at that as well?

Thanks for the help, Kyle.
Matt

From: Kyle Weaver <kcwea...@google.com<mailto:kcwea...@google.com>>
Reply-To: "user@beam.apache.org<mailto:user@beam.apache.org>" 
<user@beam.apache.org<mailto:user@beam.apache.org>>
Date: Monday, September 23, 2019 at 3:49 PM
To: "user@beam.apache.org<mailto:user@beam.apache.org>" 
<user@beam.apache.org<mailto:user@beam.apache.org>>
Subject: Re: Word-count example

CAUTION: This email originated from outside of the organization. Do not click 
links or open attachments unless you recognize the sender and know the content 
is safe.


"WARNING:root:No unique name set for transform ..." should not affect the 
pipeline's ability to complete successfully. Is the pipeline failing? If so, 
could you share more logs?

Kyle Weaver | Software Engineer | 
github.com/ibzib<https://nam01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fgithub.com%2Fibzib&data=02%7C01%7Cmpatterson%40aligntech.com%7Cabb0305d58fe46d786a208d7406358c7%7C9ac44c96980a481bae23d8f56b82c605%7C0%7C0%7C637048667759367268&sdata=ttv1XygS09045JCmq0%2BNfw9PGW8504YQhzVpFVxT9%2Bc%3D&reserved=0>
 | kcwea...@google.com<mailto:kcwea...@google.com>


On Mon, Sep 23, 2019 at 11:43 AM Matthew Patterson 
<mpatter...@aligntech.com<mailto:mpatter...@aligntech.com>> wrote:

After setting runner, adding '--environment_type=LOOPBACK', I now get



 “

…

WARNING:root:No unique name set for transform 
fn/read/ref_PCollection_PCollection_17:0

WARNING:root:No unique name set for transform 
fn/read/ref_PCollection_PCollection_17:0

WARNING:root:No unique name set for transform 
fn/write/ref_PCollection_PCollection_24:0

…

”
when running wordcount example:

# We use the save_main_session option because one or more DoFn's in this
# workflow rely on global context (e.g., a module imported at module level).
pipeline_options = runner_options
pipeline_options.view_as(SetupOptions).save_main_session = True

p = beam.Pipeline(options=pipeline_options)

# Read the text file[pattern] into a PCollection.

lines = p | 'read' >> ReadFromText(_input)

# Count the occurrences of each word.
def count_ones(word_ones):
    (word, ones) = word_ones
    return (word, sum(ones))

counts = (lines
          | 'split' >> 
(beam.ParDo(WordExtractingDoFn()).with_output_types(unicode))
          | 'pair_with_one' >> beam.Map(lambda x: (x, 1))
          | 'group' >> beam.GroupByKey()
          | 'count' >> beam.Map(count_ones))

# Format the counts into a PCollection of strings.
def format_result(word_count):
    (word, count) = word_count
    return '%s: %d' % (word, count)

output = counts | 'format' >> beam.Map(format_result)

# Write the output using a "Write" transform that has side effects.
# pylint: disable=expression-not-assigned
output | 'write' >> WriteToText(_output)

result = p.run()
result.wait_until_finish()



From: Matthew Patterson 
<mpatter...@aligntech.com<mailto:mpatter...@aligntech.com>>
Reply-To: "user@beam.apache.org<mailto:user@beam.apache.org>" 
<user@beam.apache.org<mailto:user@beam.apache.org>>
Date: Monday, September 23, 2019 at 2:22 PM
To: "user@beam.apache.org<mailto:user@beam.apache.org>" 
<user@beam.apache.org<mailto:user@beam.apache.org>>
Subject: Re: Word-count example

Sorry: needed to add LOOPBACK

From: Matthew Patterson 
<mpatter...@aligntech.com<mailto:mpatter...@aligntech.com>>
Reply-To: "user@beam.apache.org<mailto:user@beam.apache.org>" 
<user@beam.apache.org<mailto:user@beam.apache.org>>
Date: Monday, September 23, 2019 at 2:18 PM
To: "user@beam.apache.org<mailto:user@beam.apache.org>" 
<user@beam.apache.org<mailto:user@beam.apache.org>>
Subject: Re: Word-count example

OK, now using release-2.15.0, calling word-count example with runner, after 
building & calling

./gradlew :runners:flink:1.5:job-server:runShadow (tried 1.8 as well)

, as



“f'--runner=PortableRunner', f'--job_endpoint=localhost:8099'
”
…and getting

  File 
"/Users/mpatterson/miniconda/envs/aws/lib/python3.7/site-packages/apache_beam/runners/portability/portable_runner.py",
 line 446, in wait_until_finish
    self._job_id, self._state, self._last_error_message()))
RuntimeError: Pipeline 
BeamApp-mpatterson-0923181154-d9c8a662_737ea859-53e2-4d7e-ba94-2955a1642f94 
failed in state FAILED: 
org.apache.beam.vendor.grpc.v1p21p0.io.grpc.StatusRuntimeException: CANCELLED: 
cancelled before receiving half close

Ideas? Thanks!

From: Matthew Patterson 
<mpatter...@aligntech.com<mailto:mpatter...@aligntech.com>>
Reply-To: "user@beam.apache.org<mailto:user@beam.apache.org>" 
<user@beam.apache.org<mailto:user@beam.apache.org>>
Date: Friday, September 20, 2019 at 9:27 AM
To: "user@beam.apache.org<mailto:user@beam.apache.org>" 
<user@beam.apache.org<mailto:user@beam.apache.org>>
Subject: Re: Word-count example

411:

Although it does not seem correct, adding a symbolic link to `virtualenv` in ` 
<path-to-beam>/sdks/python` solves the issue of not finding `virtualenv`.

From: Matthew Patterson 
<mpatter...@aligntech.com<mailto:mpatter...@aligntech.com>>
Reply-To: "user@beam.apache.org<mailto:user@beam.apache.org>" 
<user@beam.apache.org<mailto:user@beam.apache.org>>
Date: Thursday, September 19, 2019 at 2:56 PM
To: "user@beam.apache.org<mailto:user@beam.apache.org>" 
<user@beam.apache.org<mailto:user@beam.apache.org>>
Subject: Re: Word-count example

Re Kyle:

Just so you may believe me, see below(virtualenv installed, error occurs 
nonetheless): currently I am trying to figure out if it is a difference between 
.bash_profile and .bashrc.

Thanks,
Matt

“””

Caused by: net.rubygrapefruit.platform.NativeException: Could not start 
'virtualenv'

        at 
net.rubygrapefruit.platform.internal.DefaultProcessLauncher.start(DefaultProcessLauncher.java:27)

        at 
net.rubygrapefruit.platform.internal.WrapperProcessLauncher.start(WrapperProcessLauncher.java:36)

        at 
org.gradle.process.internal.ExecHandleRunner.startProcess(ExecHandleRunner.java:97)

        at 
org.gradle.process.internal.ExecHandleRunner.run(ExecHandleRunner.java:70)

        ... 4 more

Caused by: java.io.IOException: Cannot run program "virtualenv" (in directory 
"/Users/mpatterson/dev/beam/sdks/python"): error=2, No such file or directory

        at 
net.rubygrapefruit.platform.internal.DefaultProcessLauncher.start(DefaultProcessLauncher.java:25)

        ... 7 more

Caused by: java.io.IOException: error=2, No such file or directory

        ... 8 more





* Get more help at 
https://help.gradle.org<https://nam01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fhelp.gradle.org&data=02%7C01%7Cmpatterson%40aligntech.com%7Cabb0305d58fe46d786a208d7406358c7%7C9ac44c96980a481bae23d8f56b82c605%7C0%7C0%7C637048667759377266&sdata=ZL7jkJnzVSvtRAKMtbs65fGiWW39fedlgmdOel0OGF0%3D&reserved=0>



Deprecated Gradle features were used in this build, making it incompatible with 
Gradle 6.0.

Use '--warning-mode all' to show the individual deprecation warnings.

See 
https://docs.gradle.org/5.2.1/userguide/command_line_interface.html#sec:command_line_warnings<https://nam01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdocs.gradle.org%2F5.2.1%2Fuserguide%2Fcommand_line_interface.html%23sec%3Acommand_line_warnings&data=02%7C01%7Cmpatterson%40aligntech.com%7Cabb0305d58fe46d786a208d7406358c7%7C9ac44c96980a481bae23d8f56b82c605%7C0%7C0%7C637048667759387263&sdata=lE%2BAqbgitqeDTEu2gN5IqMDcfOJofz1K0ojyZPLineE%3D&reserved=0>



BUILD FAILED in 0s

5 actionable tasks: 3 executed, 2 up-to-date

bash-3.2$ ls /Users/mpatterson/dev/beam/sdks/python

MANIFEST.in                 build.gradle                gen_protos.py           
    setup.py                    tox.ini

OWNERS                      container                   scripts                 
    test-suites

apache_beam                 findSupportedPython.groovy  setup.cfg               
    test_config.py

bash-3.2$ pip install virtualenv

Requirement already satisfied: virtualenv in 
/Users/mpatterson/miniconda/lib/python3.7/site-packages (16.7.5)

bash-3.2$ ls /Users/mpatterson/dev/beam/sdks/python

MANIFEST.in                 build.gradle                gen_protos.py           
    setup.py                    tox.ini

OWNERS                      container                   scripts                 
     test-suites

apache_beam                 findSupportedPython.groovy  setup.cfg               
    test_config.py

bash-3.2$

”””

From: Matthew Patterson 
<mpatter...@aligntech.com<mailto:mpatter...@aligntech.com>>
Reply-To: "user@beam.apache.org<mailto:user@beam.apache.org>" 
<user@beam.apache.org<mailto:user@beam.apache.org>>
Date: Thursday, September 19, 2019 at 2:31 PM
To: "user@beam.apache.org<mailto:user@beam.apache.org>" 
<user@beam.apache.org<mailto:user@beam.apache.org>>
Subject: Re: Word-count example

Have done: hard to get gradle to respect env (conda? Bash? Fish? Zsh?):

From: Kyle Weaver <kcwea...@google.com<mailto:kcwea...@google.com>>
Reply-To: "user@beam.apache.org<mailto:user@beam.apache.org>" 
<user@beam.apache.org<mailto:user@beam.apache.org>>
Date: Thursday, September 19, 2019 at 2:29 PM
To: "user@beam.apache.org<mailto:user@beam.apache.org>" 
<user@beam.apache.org<mailto:user@beam.apache.org>>
Subject: Re: Word-count example

CAUTION: This email originated from outside of the organization. Do not click 
links or open attachments unless you recognize the sender and know the content 
is safe.

I'm guessing you need to install virtualenv: `pip install virtualenv`

Kyle Weaver | Software Engineer | 
github.com/ibzib<https://nam01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fgithub.com%2Fibzib&data=02%7C01%7Cmpatterson%40aligntech.com%7Cabb0305d58fe46d786a208d7406358c7%7C9ac44c96980a481bae23d8f56b82c605%7C0%7C0%7C637048667759387263&sdata=mB1tJqnT6v%2BT4QRSNn3w7pC%2BqR5d9DCFx49tybSyZk0%3D&reserved=0>
 | kcwea...@google.com<mailto:kcwea...@google.com>


On Thu, Sep 19, 2019 at 11:27 AM Matthew Patterson 
<mpatter...@aligntech.com<mailto:mpatter...@aligntech.com>> wrote:
Kyle,

Excellent, will do: unfortunately switch to 2.16 was only thing that fixed


FAILURE: Build failed with an exception.



* What went wrong:

Execution failed for task ':sdks:python:setupVirtualenv'.

> A problem occurred starting process 'command 'virtualenv''


…if you have suggestions there, I would be most appreciative.
Matt


From: Kyle Weaver <kcwea...@google.com<mailto:kcwea...@google.com>>
Reply-To: "user@beam.apache.org<mailto:user@beam.apache.org>" 
<user@beam.apache.org<mailto:user@beam.apache.org>>
Date: Thursday, September 19, 2019 at 2:25 PM
To: "user@beam.apache.org<mailto:user@beam.apache.org>" 
<user@beam.apache.org<mailto:user@beam.apache.org>>
Subject: Re: Word-count example

CAUTION: This email originated from outside of the organization. Do not click 
links or open attachments unless you recognize the sender and know the content 
is safe.

You should probably use 2.15, since 2.16 release artifacts have not been 
published yet. Just follow the instructions that say --runner=PortableRunner, 
not --runner=FlinkRunner, otherwise you'll hit that other deserialization bug 
that was mentioned..

Kyle Weaver | Software Engineer | 
github.com/ibzib<https://nam01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fgithub.com%2Fibzib&data=02%7C01%7Cmpatterson%40aligntech.com%7Cabb0305d58fe46d786a208d7406358c7%7C9ac44c96980a481bae23d8f56b82c605%7C0%7C0%7C637048667759397256&sdata=ea4%2F99%2BY8KZKdt3LJfyJXBScDe4oWeR60ZpeKc3zBM0%3D&reserved=0>
 | kcwea...@google.com<mailto:kcwea...@google.com>


On Thu, Sep 19, 2019 at 11:19 AM Matthew Patterson 
<mpatter...@aligntech.com<mailto:mpatter...@aligntech.com>> wrote:
Kyle,

Happily: should I be working from (source) release-2.15.0 or release-2.16.0: 
presumably still specifying flink-1.8.
Matt

From: Kyle Weaver <kcwea...@google.com<mailto:kcwea...@google.com>>
Reply-To: "user@beam.apache.org<mailto:user@beam.apache.org>" 
<user@beam.apache.org<mailto:user@beam.apache.org>>
Date: Thursday, September 19, 2019 at 2:16 PM
To: "user@beam.apache.org<mailto:user@beam.apache.org>" 
<user@beam.apache.org<mailto:user@beam.apache.org>>
Subject: Re: Word-count example

CAUTION: This email originated from outside of the organization. Do not click 
links or open attachments unless you recognize the sender and know the content 
is safe.

Re Benjamin & Ankur: I don't think `--experiments=beam_fn_api` applies here. If 
I understand correctly, Matthew is just trying to run an old-fashioned Beam 
Java jar, nothing to do with portability/Python, and judging by the stack trace 
provided, 
https://issues.apache.org/jira/browse/BEAM-8037<https://nam01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fissues.apache.org%2Fjira%2Fbrowse%2FBEAM-8037&data=02%7C01%7Cmpatterson%40aligntech.com%7Cabb0305d58fe46d786a208d7406358c7%7C9ac44c96980a481bae23d8f56b82c605%7C0%7C0%7C637048667759407250&sdata=C6R%2Fir5a9%2BFFL69RisTiQq0TgRpoUg8M6oDH6WZ%2B6VM%3D&reserved=0>
 is not the issue here.

Re Matthew: I suspect a Flink version mismatch between the Flink cluster and 
the Beam runner. However, I am not familiar with the Maven commands you're 
using. Since you're planning on running Python eventually anyway, could you try 
following the "portable"/Python instructions on 
https://beam.apache.org/documentation/runners/flink/<https://nam01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbeam.apache.org%2Fdocumentation%2Frunners%2Fflink%2F&data=02%7C01%7Cmpatterson%40aligntech.com%7Cabb0305d58fe46d786a208d7406358c7%7C9ac44c96980a481bae23d8f56b82c605%7C0%7C0%7C637048667759407250&sdata=jme4hrasy7l293aC6tyrg1w0kHj6Ax8t1zIU9fP%2BfeI%3D&reserved=0>
 and let us know how that goes?

Kyle Weaver | Software Engineer | 
github.com/ibzib<https://nam01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fgithub.com%2Fibzib&data=02%7C01%7Cmpatterson%40aligntech.com%7Cabb0305d58fe46d786a208d7406358c7%7C9ac44c96980a481bae23d8f56b82c605%7C0%7C0%7C637048667759417243&sdata=4%2FFNrCIWrYZv7UdgtRrqoL0zHWDce3%2BbZ%2B35nYuGRM0%3D&reserved=0>
 | kcwea...@google.com<mailto:kcwea...@google.com>


On Thu, Sep 19, 2019 at 10:52 AM Matthew Patterson 
<mpatter...@aligntech.com<mailto:mpatter...@aligntech.com>> wrote:
Thanks Ankur,

As one who speaks almost no gradle, is there a preferred way to get gradle to 
respect the conda configured python on `gradlew build` ?

Matt

From: Ankur Goenka <goe...@google.com<mailto:goe...@google.com>>
Reply-To: "user@beam.apache.org<mailto:user@beam.apache.org>" 
<user@beam.apache.org<mailto:user@beam.apache.org>>
Date: Thursday, September 19, 2019 at 1:50 PM
To: "user@beam.apache.org<mailto:user@beam.apache.org>" 
<user@beam.apache.org<mailto:user@beam.apache.org>>
Subject: Re: Word-count example

CAUTION: This email originated from outside of the organization. Do not click 
links or open attachments unless you recognize the sender and know the content 
is safe.

We have this bug in 2.15 which is discussed here 
https://lists.apache.org/thread.html/76150a1ffca859bae7af0c6fb91724dc405dc55efc51c3b515f0520b@%3Cuser.beam.apache.org%3E<https://nam01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.apache.org%2Fthread.html%2F76150a1ffca859bae7af0c6fb91724dc405dc55efc51c3b515f0520b%40%253Cuser.beam.apache.org%253E&data=02%7C01%7Cmpatterson%40aligntech.com%7Cabb0305d58fe46d786a208d7406358c7%7C9ac44c96980a481bae23d8f56b82c605%7C0%7C0%7C637048667759417243&sdata=zQ9x6Y53O4zfBWAKoh%2BB9UAkdR2N9zPvuak3Tl7bpT0%3D&reserved=0>

For now, please add "--experiments=beam_fn_api" to your pipeline to make it 
work.

On Thu, Sep 19, 2019 at 6:03 AM Matthew Patterson 
<mpatter...@aligntech.com<mailto:mpatter...@aligntech.com>> wrote:
Hi Ankur,

Yes, I was using 2.15, but was getting failure to deserialize.

Thanks,
Matt

From: Ankur Goenka <goe...@google.com<mailto:goe...@google.com>>
Reply-To: "user@beam.apache.org<mailto:user@beam.apache.org>" 
<user@beam.apache.org<mailto:user@beam.apache.org>>
Date: Wednesday, September 18, 2019 at 9:34 PM
To: "user@beam.apache.org<mailto:user@beam.apache.org>" 
<user@beam.apache.org<mailto:user@beam.apache.org>>
Subject: Re: Word-count example

CAUTION: This email originated from outside of the organization. Do not click 
links or open attachments unless you recognize the sender and know the content 
is safe.

Hi Matthew,

Beam 2.16.0 is not yet released hence you are getting the error. Can you try 
using 2.15.0 version?

Thanks,
Ankur

On Wed, Sep 18, 2019 at 6:59 AM Matthew Patterson 
<mpatter...@aligntech.com<mailto:mpatter...@aligntech.com>> wrote:
Tried

"
mvn archetype:generate \
      -DarchetypeGroupId=org.apache.beam \
      -DarchetypeArtifactId=beam-sdks-java-maven-archetypes-examples \
      -DarchetypeVersion=2.16.0 \
      -DgroupId=org.example \
      -DartifactId=word-count-beam \
      -Dversion="0.1" \
      -Dpackage=org.apache.beam.examples \
      -DinteractiveMode=false
"
got

-> [ERROR] Failed to execute goal 
org.apache.maven.plugins:maven-archetype-plugin:3.1.1:generate (default-cli) on 
project standalone-pom: The desired archetype does not exist 
(org.apache.beam:beam-sdks-java-maven-archetypes-examples:2.16.0) -> [Help 1]


On 9/17/19, 7:51 PM, "Benjamin Tan" 
<benjamintanwei...@gmail.com<mailto:benjamintanwei...@gmail.com>> wrote:

    CAUTION: This email originated from outside of the organization. Do not 
click links or open attachments unless you recognize the sender and know the 
content is safe.


    Ah. So maybe try 2.16.0?

    On 2019/09/17 23:47:16, Kyle Weaver 
<kcwea...@google.com<mailto:kcwea...@google.com>> wrote:
    > --experiments=beam_fn_api doesn't apply here, as this is a Java pipeline
    > using the non-portable version of the Flink runner.
    >
    > Kyle Weaver | Software Engineer | 
github.com/ibzib<https://nam01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fgithub.com%2Fibzib&data=02%7C01%7Cmpatterson%40aligntech.com%7Cabb0305d58fe46d786a208d7406358c7%7C9ac44c96980a481bae23d8f56b82c605%7C0%7C0%7C637048667759427242&sdata=i2gvTK2I0Nysq%2FBD2%2B8IJNcTw9yojDU4wPMp8%2Fgd%2BUg%3D&reserved=0>
 | kcwea...@google.com<mailto:kcwea...@google.com>
    >
    >
    > On Tue, Sep 17, 2019 at 4:41 PM Benjamin Tan 
<benjamintanwei...@gmail.com<mailto:benjamintanwei...@gmail.com>>
    > wrote:
    >
    > > Could you try adding "--experiments=beam_fn_api" to the runner options?
    > > Kyle did mention that it should be fixed in 2.16.0.
    > >
    > > On 2019/09/17 16:40:41, Matthew Patterson 
<mpatter...@aligntech.com<mailto:mpatter...@aligntech.com>>
    > > wrote:
    > > > Folks,
    > > >
    > > > Am sure I am doing it wrong, but have been beating head against wall
    > > long enough I need to ask for help.
    > > >
    > > > My goal is to use the python SDK to run jobs on AWS flink cluster, but
    > > very little is working, so I am trying to back down to the very simplest
    > > thing that works, and build back up: not going so well.
    > > >
    > > > Now I am running, or trying to, on a minikube link cluster. Now 
running
    > > from just java/mvn, so I go through the following:
    > > >
    > > >   1.  bring-up-cluster (see below)
    > > >   2.  grab-the-code (see below)
    > > >   3.  maven-submit (see below)
    > > >
    > > > Eventual failure is
    > > >
    > > > “[ERROR] Failed to execute goal
    > > org.codehaus.mojo:exec-maven-plugin:1.6.0:java (default-cli) on project
    > > word-count-beam: An exception occured while executing the Java class.
    > > Pipeline execution failed: Could not retrieve the execution result. 
(JobID:
    > > 6edad04faa43fbf22bdea24171ba9d59): Failed to submit JobGraph. [Failed to
    > > deserialize JobGraph.]”
    > > >
    > > > and log is attached (I hope)
    > > >
    > > > Other details:
    > > >
    > > > on osx
    > > >
    > > >
    > > >
    > > > ➜ minikube version
    > > >
    > > > minikube version: v1.3.1
    > > >
    > > > commit: ca60a424ce69a4d79f502650199ca2b52f29e631
    > > >
    > > >
    > > > ➜ kubectl version
    > > >
    > > > Client Version: version.Info{Major:"1", Minor:"14",
    > > GitVersion:"v1.14.6", 
GitCommit:"96fac5cd13a5dc064f7d9f4f23030a6aeface6cc",
    > > GitTreeState:"clean", BuildDate:"2019-08-19T11:13:49Z",
    > > GoVersion:"go1.12.9", Compiler:"gc", Platform:"darwin/amd64"}
    > > >
    > > > Server Version: version.Info{Major:"1", Minor:"15",
    > > GitVersion:"v1.15.2", 
GitCommit:"f6278300bebbb750328ac16ee6dd3aa7d3549568",
    > > GitTreeState:"clean", BuildDate:"2019-08-05T09:15:22Z",
    > > GoVersion:"go1.12.5", Compiler:"gc", Platform:"linux/amd64"}
    > > >
    > > >
    > > > ➜ flink --version
    > > >
    > > > Version: 1.8.1, Commit ID: 7297bac
    > > >
    > > > ➜ python -c"import apache_beam; print(apache_beam.__version__)"
    > > > 2.15.0
    > > >
    > > > ➜ curl localhost:8081
    > > > <!--
    > > >   ~ Licensed to the Apache Software Foundation (ASF) under one
    > > >   ~ or more contributor license agreements.  See the NOTICE file
    > > >   ~ distributed with this work for additional information
    > > >   ~ regarding copyright ownership.  The ASF licenses this file
    > > >   ~ to you under the Apache License, Version 2.0 (the
    > > >   ~ "License"); you may not use this file except in compliance
    > > >   ~ with the License.  You may obtain a copy of the License at
    > > >   ~
    > > >   ~     
https://nam01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.apache.org%2Flicenses%2FLICENSE-2.0&amp;data=02%7C01%7Cmpatterson%40aligntech.com%7C118675de36e745219ee508d73bc9fb6f%7C9ac44c96980a481bae23d8f56b82c605%7C0%7C0%7C637043611035577083&amp;sdata=4WV%2Bk3Wao0qrbwKJEJTYxG0KixNNGEN%2FW%2FQLz2MrbDk%3D&amp;reserved=0<https://nam01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.apache.org%2Flicenses%2FLICENSE-2.0&data=02%7C01%7Cmpatterson%40aligntech.com%7Cabb0305d58fe46d786a208d7406358c7%7C9ac44c96980a481bae23d8f56b82c605%7C0%7C0%7C637048667759437240&sdata=x1UpsfgZh699aMI89ZcwBPky2mC2mp2jBkKHkOTIm7Y%3D&reserved=0>
    > > >   ~
    > > >   ~ Unless required by applicable law or agreed to in writing, 
software
    > > >   ~ distributed under the License is distributed on an "AS IS" BASIS,
    > > >   ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
    > > implied.
    > > >   ~ See the License for the specific language governing permissions 
and
    > > >   ~ limitations under the License.
    > > >   -->
    > > >
    > > > <!doctype html>
    > > > <html lang="en">
    > > > <head>
    > > >   <meta charset="utf-8">
    > > >   <meta http-equiv="X-UA-Compatible" content="IE=edge">
    > > >   <meta name="viewport" content="width=device-width, initial-scale=1">
    > > >   <title>Apache Flink Web Dashboard</title>
    > > >   <link rel="apple-touch-icon" sizes="180x180"
    > > href="assets/favicon/apple-touch-icon.png">
    > > >   <link rel="icon" type="image/png"
    > > href="assets/favicon/favicon-32x32.png" sizes="32x32">
    > > >   <link rel="icon" type="image/png"
    > > href="assets/favicon/favicon-16x16.png" sizes="16x16">
    > > >   <link rel="manifest" href="assets/favicon/manifest.json">
    > > >   <link rel="mask-icon" href="assets/favicon/safari-pinned-tab.svg"
    > > color="#aa1919">
    > > >   <link rel="shortcut icon" href="assets/favicon/favicon.ico">
    > > >   <meta name="msapplication-config"
    > > content="assets/favicon/browserconfig.xml">
    > > >   <meta name="theme-color" content="#ffffff">
    > > >   <base href="./"><link rel="stylesheet"
    > > href="styles.30d0912c1ece284d8d9a.css"></head>
    > > > <body>
    > > >   <flink-root></flink-root>
    > > > <script type="text/javascript"
    > > src="runtime.ebbfed06bb8e06aaa889.js"></script><script
    > > type="text/javascript" src="es2015-polyfills.5e343224e81eefb7658e.js"
    > > nomodule></script><script type="text/javascript"
    > > src="polyfills.b37850e8279bc3caafc9.js"></script><script
    > > type="text/javascript" 
src="main.dc6e0997d092df051db0.js"></script></body>
    > > > </html>
    > > >
    > > > Thanks for any ideas,
    > > > Matt
    > > >
    > > > >>> bring-up-cluster
    > > >
    > > > # [yamls from here](
    > > 
https://nam01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fci.apache.org%2Fprojects%2Fflink%2Fflink-docs-stable%2Fops%2Fdeployment%2Fkubernetes.html&amp;data=02%7C01%7Cmpatterson%40aligntech.com%7C118675de36e745219ee508d73bc9fb6f%7C9ac44c96980a481bae23d8f56b82c605%7C0%7C0%7C637043611035577083&amp;sdata=CISNOH4Yw5oYzkQnq9fc%2B64svTpuvMHVXl9j5Qxv2FU%3D&amp;reserved=0<https://nam01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fci.apache.org%2Fprojects%2Fflink%2Fflink-docs-stable%2Fops%2Fdeployment%2Fkubernetes.html&data=02%7C01%7Cmpatterson%40aligntech.com%7Cabb0305d58fe46d786a208d7406358c7%7C9ac44c96980a481bae23d8f56b82c605%7C0%7C0%7C637048667759437240&sdata=QaFx9%2BoIs8EoaxOzyzNlgKQwmajQAuVZG%2BWR5uaSuSM%3D&reserved=0>
    > > )
    > > > minikube start
    > > > minikube ssh 'sudo ip link set docker0 promisc on'
    > > >
    > > > kubectl create -f flink-configuration-configmap.yaml
    > > > kubectl create -f jobmanager-service.yaml
    > > > kubectl create -f jobmanager-deployment.yaml
    > > > kubectl create -f taskmanager-deployment.yaml
    > > > kubectl apply -f jobmanager-rest-service.yaml
    > > >
    > > > >>> grab-the-code
    > > > mvn archetype:generate \
    > > >         -DarchetypeGroupId=org.apache.beam \
    > > >         
-DarchetypeArtifactId=beam-sdks-java-maven-archetypes-examples \
    > > >         -DarchetypeVersion=2.15.0 \
    > > >         -DgroupId=org.example \
    > > >         -DartifactId=word-count-beam \
    > > >         -Dversion="0.1" \
    > > >         -Dpackage=org.apache.beam.examples \
    > > >         -DinteractiveMode=false
    > > >
    > > > >>> maven-submit
    > > >
    > > > # kubectl port-forward svc/flink-jobmanager-rest 8081:8081 # in 
separate
    > > shell, as blocking
    > > > mvn package exec:java -X
    > > -Dexec.mainClass=org.apache.beam.examples.DebuggingWordCount \
    > > >      -Dexec.args="--runner=FlinkRunner\
    > > >       --flinkMaster="localhost:8081"\
    > > >       --filesToStage=target/word-count-beam-bundled-0.1.jar\
    > > >       --output=<directory-that-exists>" -Pflink-runner
    > > >
    > > >
    > > >
    > >
    >

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