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From Navina Ramesh <nram...@linkedin.com>
Subject Re: Connection timed out error while installing "Hello Samza"
Date Thu, 14 Sep 2017 21:20:35 GMT
if it is already installed in your system, I don't think you need re-install them again. However,
do make sure that there are no ACLs enabled on ZK because kafka may not support it.


> My guess Even if there are conflicts on earlier installations it should throw some other
error but not the connection time out

I think your connection timeout was related to when you were trying to download samza from
apache.


If you can re-use the already install kafka and zookeeper client, then install yarn, and follow
the remaining steps to build and deploy samza. In any case, more logs will be useful for us
to debug.


> it could either related resolving "localhost" or firewall that prevents communication
between ports"

I meant this could be the reason why ZK is not able to install and/or talk to the kafka broker.


It totally stumps me why you can't downloads samza from your server. Is it possible for you
try on another clean host and see if it works or fails for you?


Navina

________________________________
From: Anantharaman, Srinatha (Contractor) <Srinatha_Anantharaman@comcast.com>
Sent: Thursday, September 14, 2017 12:33:26 PM
To: dev@samza.apache.org
Subject: RE: Connection timed out error while installing "Hello Samza"

That is a good catch Naveena the server which I am trying to install is an Hadoop edge node,
it has kafka broker and Zookeeper client already installed for my Hadoop
Does it matter If I am installing it on a separate folder?. My guess Even if there are conflicts
on earlier installations it should throw some other error but not the connection time out

Coming to your question " it could either related resolving "localhost" or firewall that prevents
communication between ports" - how to prove it is because of Firewall issue. I am able to
clone Samza files from Apache git. I can download any external files on this server

~Sri

-----Original Message-----
From: Navina Ramesh [mailto:nramesh@linkedin.com]
Sent: Thursday, September 14, 2017 2:51 PM
To: dev@samza.apache.org
Subject: Re: Connection timed out error while installing "Hello Samza"

I wonder if this has anything to do with previous kafka / zookeeper installed on your box.
Just for sanity, try clearing /tmp/zookeeeper* and /tmp/kafka* before re-trying those steps.


Same as Yi, I strongly suspect issues with your local laptop setup - it could either related
resolving "localhost" or firewall that prevents communication between ports.


Navina

________________________________
From: Yi Pan <nickpan47@gmail.com>
Sent: Thursday, September 14, 2017 11:37:46 AM
To: dev@samza.apache.org
Subject: Re: Connection timed out error while installing "Hello Samza"

Hi, Anantharaman,

I just did the same steps as you described in your email and all passed on my box. Hence,
I strongly suspect that it is related to your local laptop network setup.

Could you post all the command line output when you ran the sequence of commands?

-Yi

On Thu, Sep 14, 2017 at 11:21 AM, Yi Pan <nickpan47@gmail.com> wrote:

> Hi, Ananarath,
>
> It is very strange that you are seeing this timeout exception that we
> do not see. I am trying to follow the exact steps you did to see
> whether there is anything broken. I will update you this afternoon.
>
> Meanwhile, could you check your hostname setup and firewall
> configuration to see whether your local laptop has blocked access via
> the public IP address to your laptop? Could you verify that your
> localhost is resolved to
> 127.0.0.1 and is accessible?
>
> -Yi
>
> On Thu, Sep 14, 2017 at 11:18 AM, Anantharaman, Srinatha (Contractor)
> < Srinatha_Anantharaman@comcast.com> wrote:
>
>> Yi,
>>
>> Is there any alternate way to install Samza  Or solution to the
>> connection time out error?
>>
>> Regards,
>> ~Sri
>>
>> From: Anantharaman, Srinatha (Contractor)
>> Sent: Wednesday, September 13, 2017 11:37 AM
>> To: dev@samza.apache.org
>> Subject: RE: Connection timed out error while installing "Hello Samza"
>>
>>
>> Yi,
>>
>>
>>
>> I am trying to build Samza locally by following the steps provided by
>> Navina.
>>
>> As per those steps kafka will be installed after Zookeeper, I am
>> getting Error while starting Zookeeper after it is installed
>>
>>
>>
>>
>>
>> Steps Followed :
>>
>>
>>
>> Yes. You can clone apache/samza locally and build it with:
>>
>>
>>
>>
>>
>> cd <samza-workspace>
>>
>>
>>
>> gradle -b bootstrap.gradle
>>
>>
>>
>> ./gradlew clean build -x test
>>
>>
>>
>> ./gradlew publishToMavenLocal    ## This publishes a snapshot version of
>> the latest apache/samza into your local maven repo
>>
>>
>>
>>
>>
>> Then, head to hello-samza workspace and build again:
>>
>>
>>
>> cd <hello-samza-workspace>
>>
>>
>>
>> mvn clean package  ## This should create a build target
>>
>>
>>
>> ./bin/grid install zookeeper
>>
>>
>>
>> ./bin/grid start zookeeper
>>
>>
>>
>> ./bin/grid install kafka
>>
>>
>>
>> ./bin/grid start kafka
>>
>>
>>
>> ./bin/grid install yarn
>>
>>
>>
>> ./bin/grid start yarn
>>
>>
>>
>>
>>
>> mkdir -p deploy/samza
>>
>>
>>
>> tar -xvf ./target/hello-samza-*-SNAPSHOT-dist.tar.gz -C deploy/samza
>>
>>
>>
>>
>>
>> NOTE : BTW From the above steps I could not execute " gradle -b
>> bootstrap.gradle" since that command does not exists
>>
>>
>>
>> Regards,
>>
>> ~Sri
>>
>>
>>
>> -----Original Message-----
>> From: Yi Pan [mailto:nickpan47@gmail.com]
>> Sent: Tuesday, September 12, 2017 7:13 PM
>> To: dev@samza.apache.org<mailto:dev@samza.apache.org>
>> Subject: Re: Connection timed out error while installing "Hello Samza"
>>
>>
>>
>> Hi, Anantharam,
>>
>>
>>
>> Could you confirm at which step your setup failed? It seems that your
>> zookeeper server is running. Could you check to see whether your
>> Kafka broker is running? You can either do a telnet localhost 9092 or
>> do a ps auxww | grep kafka to see whether you got any broker running.
>>
>>
>>
>> Sometimes, the Kafka service takes time to start on a single laptop.
>> You can just try to run ./bin/grid start kafka
>>
>>
>>
>> again to see whether the service is up.
>>
>>
>>
>> Thanks!
>>
>>
>>
>> -Yi
>>
>>
>>
>> On Tue, Sep 12, 2017 at 11:38 AM, Anantharaman, Srinatha (Contractor)
>> < Srinatha_Anantharaman@comcast.com<mailto:Srinatha_Anantharam
>> an@comcast.com>> wrote:
>>
>>
>>
>> > Find below Zookeeper logs:
>>
>> >
>>
>> > 2017-09-12 17:05:19,124 [myid:] - INFO  [main:QuorumPeerConfig@101]
>> > -
>>
>> > Reading configuration from: /app/home/eventsvc/samza-git/
>>
>> > hello-samza/deploy/zookeeper/bin/../conf/zoo.cfg
>>
>> > 2017-09-12 17:05:19,133 [myid:] - INFO
>>
>> > [main:DatadirCleanupManager@78] - autopurge.snapRetainCount set to
>> > 3
>>
>> > 2017-09-12 17:05:19,134 [myid:] - INFO
>>
>> > [main:DatadirCleanupManager@79] - autopurge.purgeInterval set to 0
>>
>> > 2017-09-12 17:05:19,134 [myid:] - INFO
>>
>> > [main:DatadirCleanupManager@101]
>>
>> > - Purge task is not scheduled.
>>
>> > 2017-09-12 17:05:19,135 [myid:] - WARN  [main:QuorumPeerMain@113] -
>>
>> > Either no config or no quorum defined in config, running  in
>>
>> > standalone mode
>>
>> > 2017-09-12 17:05:19,161 [myid:] - INFO  [main:QuorumPeerConfig@101]
>> > -
>>
>> > Reading configuration from: /app/home/eventsvc/samza-git/
>>
>> > hello-samza/deploy/zookeeper/bin/../conf/zoo.cfg
>>
>> > 2017-09-12 17:05:19,162 [myid:] - INFO
>> > [main:ZooKeeperServerMain@95]
>>
>> > - Starting server
>>
>> > 2017-09-12 17:05:19,175 [myid:] - INFO  [main:Environment@98] -
>> > Server
>>
>> > environment:zookeeper.version=3.4.3-1240972, built on 02/06/2012
>> > 10:48
>>
>> > GMT
>>
>> > 2017-09-12 17:05:19,176 [myid:] - INFO  [main:Environment@98] -
>> > Server
>>
>> > environment:host.name=codehdplak-po-r19p.sys.comcast.net
>>
>> > 2017-09-12 17:05:19,176 [myid:] - INFO  [main:Environment@98] -
>> > Server
>>
>> > environment:java.version=1.8.0_31
>>
>> > 2017-09-12 17:05:19,177 [myid:] - INFO  [main:Environment@98] -
>> > Server
>>
>> > environment:java.vendor=Oracle Corporation
>>
>> > 2017-09-12 17:05:19,177 [myid:] - INFO  [main:Environment@98] -
>> > Server
>>
>> > environment:java.home=/usr/lib/jvm/java-1.8.0-openjdk-1.
>>
>> > 8.0.31-2.b13.el7.x86_64/jre
>>
>> > 2017-09-12 17:05:19,178 [myid:] - INFO  [main:Environment@98] -
>> > Server
>>
>> > environment:java.class.path=/app/home/eventsvc/samza-git/
>>
>> > hello-samza/deploy/zookeeper/bin/../build/classes:/app/
>>
>> > home/eventsvc/samza-git/hello-samza/deploy/zookeeper/bin/../
>>
>> > build/lib/*.jar:/app/home/eventsvc/samza-git/hello-
>>
>> > samza/deploy/zookeeper/bin/../lib/slf4j-log4j12-1.6.1.jar:/
>>
>> > app/home/eventsvc/samza-git/hello-samza/deploy/zookeeper/
>>
>> > bin/../lib/slf4j-api-1.6.1.jar:/app/home/eventsvc/samza-
>>
>> > git/hello-samza/deploy/zookeeper/bin/../lib/netty-3.
>>
>> > 2.2.Final.jar:/app/home/eventsvc/samza-git/hello-
>>
>> > samza/deploy/zookeeper/bin/../lib/log4j-1.2.15.jar:/app/
>>
>> > home/eventsvc/samza-git/hello-samza/deploy/zookeeper/bin/../
>>
>> > lib/jline-0.9.94.jar:/app/home/eventsvc/samza-git/hello-
>>
>> > samza/deploy/zookeeper/bin/../zookeeper-3.4.3.jar:/app/home/
>>
>> > eventsvc/samza-git/hello-samza/deploy/zookeeper/bin/../
>>
>> > src/java/lib/*.jar:/app/home/eventsvc/samza-git/hello-
>>
>> > samza/deploy/zookeeper/bin/../conf:
>>
>> > 2017-09-12 17:05:19,178 [myid:] - INFO  [main:Environment@98] -
>> > Server
>>
>> > environment:java.library.path=/usr/java/packages/lib/amd64:/
>>
>> > usr/lib64:/lib64:/lib:/usr/lib
>>
>> > 2017-09-12 17:05:19,179 [myid:] - INFO  [main:Environment@98] -
>> > Server
>>
>> > environment:java.io.tmpdir=/tmp
>>
>> > 2017-09-12 17:05:19,179 [myid:] - INFO  [main:Environment@98] -
>> > Server
>>
>> > environment:java.compiler=<NA>
>>
>> > 2017-09-12 17:05:19,180 [myid:] - INFO  [main:Environment@98] -
>> > Server
>>
>> > environment:os.name=Linux
>>
>> > 2017-09-12 17:05:19,180 [myid:] - INFO  [main:Environment@98] -
>> > Server
>>
>> > environment:os.arch=amd64
>>
>> > 2017-09-12 17:05:19,181 [myid:] - INFO  [main:Environment@98] -
>> > Server
>>
>> > environment:os.version=3.10.0-123.20.1.el7.x86_64
>>
>> > 2017-09-12 17:05:19,181 [myid:] - INFO  [main:Environment@98] -
>> > Server
>>
>> > environment:user.name=root
>>
>> > 2017-09-12 17:05:19,182 [myid:] - INFO  [main:Environment@98] -
>> > Server
>>
>> > environment:user.home=/root
>>
>> > 2017-09-12 17:05:19,182 [myid:] - INFO  [main:Environment@98] -
>> > Server
>>
>> > environment:user.dir=/app/home/eventsvc/samza-git/hello-
>>
>> > samza/deploy/zookeeper
>>
>> > 2017-09-12 17:05:19,195 [myid:] - INFO  [main:ZooKeeperServer@733]
>> > -
>>
>> > tickTime set to 2000
>>
>> > 2017-09-12 17:05:19,195 [myid:] - INFO  [main:ZooKeeperServer@742]
>> > -
>>
>> > minSessionTimeout set to -1
>>
>> > 2017-09-12 17:05:19,195 [myid:] - INFO  [main:ZooKeeperServer@751]
>> > -
>>
>> > maxSessionTimeout set to -1
>>
>> > 2017-09-12 17:05:19,213 [myid:] - INFO
>>
>> > [main:NIOServerCnxnFactory@110] - binding to port
>> > 0.0.0.0/0.0.0.0:2181
>>
>> > 2017-09-12 17:05:19,240 [myid:] - INFO  [main:FileTxnSnapLog@238] -
>>
>> > Snapshotting: 0x0 to /tmp/zookeeper/version-2/snapshot.0
>>
>> > 2017-09-12 17:05:19,673 [myid:] - INFO
>> > [NIOServerCxn.Factory:0.0.0.0/
>>
>> > 0.0.0.0:2181:NIOServerCnxnFactory@213] - Accepted socket connection
>>
>> > from
>>
>> > /0:0:0:0:0:0:0:1:21754
>>
>> > 2017-09-12 17:17:40,265 [myid:] - WARN
>> > [NIOServerCxn.Factory:0.0.0.0/
>>
>> > 0.0.0.0:2181:NIOServerCnxn@349] - caught end of stream exception
>>
>> > EndOfStreamException: Unable to read additional data from client
>>
>> > sessionid 0x0, likely client has closed socket
>>
>> >         at org.apache.zookeeper.server.NIOServerCnxn.doIO(
>>
>> > NIOServerCnxn.java:220)
>>
>> >         at org.apache.zookeeper.server.NIOServerCnxnFactory.run(
>>
>> > NIOServerCnxnFactory.java:224)
>>
>> >         at java.lang.Thread.run(Thread.java:745)
>>
>> > 2017-09-12 17:17:40,267 [myid:] - INFO
>> > [NIOServerCxn.Factory:0.0.0.0/
>>
>> > 0.0.0.0:2181:NIOServerCnxn@1000] - Closed socket connection for
>> > client
>>
>> > /0:0:0:0:0:0:0:1:21754 (no session established for client)
>>
>> > 2017-09-12 17:18:06,236 [myid:] - INFO
>> > [NIOServerCxn.Factory:0.0.0.0/
>>
>> > 0.0.0.0:2181:NIOServerCnxnFactory@213] - Accepted socket connection
>>
>> > from /
>>
>> > 127.0.0.1:48071
>>
>> > 2017-09-12 17:18:06,247 [myid:] - INFO
>> > [NIOServerCxn.Factory:0.0.0.0/
>>
>> > 0.0.0.0:2181:ZooKeeperServer@838] - Client attempting to establish
>> > new
>>
>> > session at /127.0.0.1:48071
>>
>> > 2017-09-12 17:18:06,250 [myid:] - INFO
>> > [SyncThread:0:FileTxnLog@199]
>>
>> > - Creating new log file: log.1
>>
>> > 2017-09-12 17:18:06,263 [myid:] - INFO
>>
>> > [SyncThread:0:ZooKeeperServer@604]
>>
>> > - Established session 0x15e770d61920000 with negotiated timeout
>> > 6000
>>
>> > for client /127.0.0.1:48071
>>
>> > 2017-09-12 17:18:06,321 [myid:] - INFO  [ProcessThread(sid:0 cport:-1)::
>>
>> > PrepRequestProcessor@617] - Got user-level KeeperException when
>>
>> > processing sessionid:0x15e770d61920000 type:create cxid:0x5
>> > zxid:0x3
>>
>> > txntype:-1 reqpath:n/a Error Path:/brokers Error:KeeperErrorCode =
>>
>> > NoNode for /brokers
>>
>> > 2017-09-12 17:18:06,342 [myid:] - INFO  [ProcessThread(sid:0 cport:-1)::
>>
>> > PrepRequestProcessor@617] - Got user-level KeeperException when
>>
>> > processing sessionid:0x15e770d61920000 type:create cxid:0xb
>> > zxid:0x7
>>
>> > txntype:-1 reqpath:n/a Error Path:/config Error:KeeperErrorCode =
>>
>> > NoNode for /config
>>
>> > 2017-09-12 17:18:06,356 [myid:] - INFO  [ProcessThread(sid:0 cport:-1)::
>>
>> > PrepRequestProcessor@617] - Got user-level KeeperException when
>>
>> > processing sessionid:0x15e770d61920000 type:create cxid:0x13
>> > zxid:0xc
>>
>> > txntype:-1 reqpath:n/a Error Path:/admin Error:KeeperErrorCode =
>>
>> > NoNode for /admin
>>
>> > 2017-09-12 17:18:06,457 [myid:] - INFO  [ProcessThread(sid:0 cport:-1)::
>>
>> > PrepRequestProcessor@617] - Got user-level KeeperException when
>>
>> > processing sessionid:0x15e770d61920000 type:create cxid:0x1b
>> > zxid:0x11
>>
>> > txntype:-1 reqpath:n/a Error Path:/cluster Error:KeeperErrorCode =
>>
>> > NoNode for /cluster
>>
>> > 2017-09-12 17:18:06,973 [myid:] - INFO  [ProcessThread(sid:0 cport:-1)::
>>
>> > PrepRequestProcessor@617] - Got user-level KeeperException when
>>
>> > processing sessionid:0x15e770d61920000 type:setData cxid:0x25
>>
>> > zxid:0x15
>>
>> > txntype:-1 reqpath:n/a Error Path:/controller_epoch
>>
>> > Error:KeeperErrorCode = NoNode for /controller_epoch
>>
>> > 2017-09-12 17:18:07,050 [myid:] - INFO  [ProcessThread(sid:0 cport:-1)::
>>
>> > PrepRequestProcessor@617] - Got user-level KeeperException when
>>
>> > processing sessionid:0x15e770d61920000 type:delete cxid:0x34
>> > zxid:0x17
>>
>> > txntype:-1 reqpath:n/a Error Path:/admin/preferred_replica_election
>>
>> > Error:KeeperErrorCode = NoNode for
>> > /admin/preferred_replica_election
>>
>> > 2017-09-12 17:18:07,288 [myid:] - INFO  [ProcessThread(sid:0 cport:-1)::
>>
>> > PrepRequestProcessor@617] - Got user-level KeeperException when
>>
>> > processing sessionid:0x15e770d61920000 type:create cxid:0x3f
>> > zxid:0x18
>>
>> > txntype:-1 reqpath:n/a Error Path:/brokers Error:KeeperErrorCode =
>>
>> > NodeExists for /brokers
>>
>> > 2017-09-12 17:18:07,290 [myid:] - INFO  [ProcessThread(sid:0 cport:-1)::
>>
>> > PrepRequestProcessor@617] - Got user-level KeeperException when
>>
>> > processing sessionid:0x15e770d61920000 type:create cxid:0x40
>> > zxid:0x19
>>
>> > txntype:-1 reqpath:n/a Error Path:/brokers/ids
>> > Error:KeeperErrorCode =
>>
>> > NodeExists for /brokers/ids
>>
>> >
>>
>> >
>>
>> >
>>
>> > -----Original Message-----
>>
>> > From: Yi Pan [mailto:nickpan47@gmail.com]
>>
>> > Sent: Tuesday, September 12, 2017 2:02 PM
>>
>> > To: dev@samza.apache.org<mailto:dev@samza.apache.org>
>>
>> > Subject: Re: Connection timed out error while installing "Hello Samza"
>>
>> >
>>
>> > Hi, Anantharaman,
>>
>> >
>>
>> > Could you post your zookeeper startup logs here?
>>
>> >
>>
>> > On Tue, Sep 12, 2017 at 10:21 AM, Anantharaman, Srinatha
>> > (Contractor)
>>
>> > < Srinatha_Anantharaman@comcast.com<mailto:Srinatha_Anantharam
>> an@comcast.com>> wrote:
>>
>> >
>>
>> > > It hangs while bringing up the service
>>
>> > >
>>
>> > > [root@codehdplak-po-r19p hello-samza]# pwd
>>
>> > > /app/home/eventsvc/samza-git/hello-samza
>>
>> > > [root@codehdplak-po-r19p hello-samza]# ./bin/grid install
>> > > zookeeper
>>
>> > > EXECUTING: install zookeeper
>>
>> > > Using previously downloaded file /root/.samza/download/
>>
>> > > zookeeper-3.4.3.tar.gz [root@codehdplak-po-r19p hello-samza]#
>>
>> > > ./bin/grid start zookeeper
>>
>> > > EXECUTING: start zookeeper
>>
>> > > JMX enabled by default
>>
>> > > Using config:
>>
>> > > /app/home/eventsvc/samza-git/hello-samza/deploy/zookeeper/
>>
>> > > bin/../conf/zoo.cfg
>>
>> > > Starting zookeeper ... STARTED
>>
>> > > Waiting for zookeeper to start...
>>
>> > >
>>
>> > > ^C
>>
>> > > [root@codehdplak-po-r19p hello-samza]# ./bin/grid start
>> > > zookeeper^C
>>
>> > > [root@codehdplak-po-r19p hello-samza]# ./bin/grid install kafka
>>
>> > > EXECUTING: install kafka
>>
>> > > Using previously downloaded file /root/.samza/download/kafka_2.
>>
>> > > 11-0.10.1.1.tgz
>>
>> > > [root@codehdplak-po-r19p hello-samza]# ./bin/grid start kafka
>>
>> > > EXECUTING: start kafka
>>
>> > > Waiting for kafka to start...
>>
>> > > Ncat: Connection refused.
>>
>> > > .Ncat: Connection refused.
>>
>> > > .Ncat: Connection refused.
>>
>> > > .^C
>>
>> > > [root@codehdplak-po-r19p hello-samza]#
>>
>> > >
>>
>> > >
>>
>> > >
>>
>> > > -----Original Message-----
>>
>> > > From: Navina Ramesh [mailto:nramesh@linkedin.com]
>>
>> > > Sent: Tuesday, September 12, 2017 12:43 PM
>>
>> > > To: dev@samza.apache.org<mailto:dev@samza.apache.org>
>>
>> > > Subject: Re: Connection timed out error while installing "Hello Samza"
>>
>> > >
>>
>> > > Yes. You can clone apache/samza locally and build it with:
>>
>> > >
>>
>> > >
>>
>> > > cd <samza-workspace>
>>
>> > >
>>
>> > > gradle -b bootstrap.gradle
>>
>> > >
>>
>> > > ./gradlew clean build -x test
>>
>> > >
>>
>> > > ./gradlew publishToMavenLocal    ## This publishes a snapshot version
>> of
>>
>> > > the latest apache/samza into your local maven repo
>>
>> > >
>>
>> > >
>>
>> > > Then, head to hello-samza workspace and build again:
>>
>> > >
>>
>> > > cd <hello-samza-workspace>
>>
>> > >
>>
>> > > mvn clean package  ## This should create a build target
>>
>> > >
>>
>> > > ./bin/grid install zookeeper
>>
>> > >
>>
>> > > ./bin/grid start zookeeper
>>
>> > >
>>
>> > > ./bin/grid install kafka
>>
>> > >
>>
>> > > ./bin/grid start kafka
>>
>> > >
>>
>> > > ./bin/grid install yarn
>>
>> > >
>>
>> > > ./bin/grid start yarn
>>
>> > >
>>
>> > >
>>
>> > > mkdir -p deploy/samza
>>
>> > >
>>
>> > > tar -xvf ./target/hello-samza-*-SNAPSHOT-dist.tar.gz -C
>> > > deploy/samza
>>
>> > >
>>
>> > >
>>
>> > > After this, you can follow steps in the tutorial to "Run" the
>>
>> > > example Samza job.
>>
>> > >
>>
>> > >
>>
>> > > HTH! Let me know if you need further help.
>>
>> > >
>>
>> > > Navina
>>
>> > >
>>
>> > > ________________________________
>>
>> > > From: Anantharaman, Srinatha (Contractor) <Srinatha_Anantharaman@
>>
>> > > comcast.com>
>>
>> > > Sent: Tuesday, September 12, 2017 9:21:53 AM
>>
>> > > To: dev@samza.apache.org<mailto:dev@samza.apache.org>
>>
>> > > Subject: RE: Connection timed out error while installing "Hello Samza"
>>
>> > >
>>
>> > > Navina,
>>
>> > >
>>
>> > > Is there any other way we can install Hello Samza?
>>
>> > >
>>
>> > > Regards,
>>
>> > > ~Sri
>>
>> > >
>>
>> > > -----Original Message-----
>>
>> > > From: Navina Ramesh [mailto:nramesh@linkedin.com]
>>
>> > > Sent: Tuesday, September 12, 2017 11:42 AM
>>
>> > > To: dev@samza.apache.org<mailto:dev@samza.apache.org>
>>
>> > > Subject: Re: Connection timed out error while installing "Hello Samza"
>>
>> > >
>>
>> > > Ok. I tried again for the "latest" branch in hello-samza and it
>>
>> > > still works.
>>
>> > >
>>
>> > >
>>
>> > > > While installing it says "Building samza from master..."
>>
>> > >
>>
>> > > It is expected to build from "master" in apache/samza repo. So,
>> > > the
>>
>> > > output line is expected.
>>
>> > >
>>
>> > >
>>
>> > > It is weird that you are unable to connect. Is it possible you
>> > > are
>>
>> > > behind a firewall or something? Can you try to ping "git.apache.org"
>> ?
>>
>> > > Or try the setup on a different box?
>>
>> > >
>>
>> > >
>>
>> > > Navina
>>
>> > >
>>
>> > > ________________________________
>>
>> > > From: Anantharaman, Srinatha (Contractor) <Srinatha_Anantharaman@
>>
>> > > comcast.com>
>>
>> > > Sent: Tuesday, September 12, 2017 8:33:30 AM
>>
>> > > To: dev@samza.apache.org<mailto:dev@samza.apache.org>
>>
>> > > Subject: RE: Connection timed out error while installing "Hello Samza"
>>
>> > >
>>
>> > > Navina,
>>
>> > >
>>
>> > > I tried again but still same error
>>
>> > >
>>
>> > > While installing it says "Building samza from master..."
>>
>> > >
>>
>> > > But when after I cloned I executed " git checkout latest"
>>
>> > >
>>
>> > > Regards,
>>
>> > > ~Sri
>>
>> > >
>>
>> > >
>>
>> > > -----Original Message-----
>>
>> > > From: Navina Ramesh [mailto:nramesh@linkedin.com]
>>
>> > > Sent: Tuesday, September 12, 2017 11:10 AM
>>
>> > > To: dev@samza.apache.org<mailto:dev@samza.apache.org>
>>
>> > > Subject: Re: Connection timed out error while installing "Hello Samza"
>>
>> > >
>>
>> > > Hi Anantharaman,
>>
>> > >
>>
>> > > It looks like a transient connection failure to connect to
>> > > Apache's
>>
>> > > git. I tried on my host and it seems to be working.
>>
>> > >
>>
>> > > Can you give it another shot?
>>
>> > >
>>
>> > >
>>
>> > > If it still doesn't work, please let me know if you are running
>> > > the
>>
>> > > command under the "master" or "latest" branch of samza-hello-samza.
>>
>> > >
>>
>> > >
>>
>> > > Thanks!
>>
>> > >
>>
>> > > Navina
>>
>> > >
>>
>> > > ________________________________
>>
>> > > From: Anantharaman, Srinatha (Contractor) <Srinatha_Anantharaman@
>>
>> > > comcast.com>
>>
>> > > Sent: Tuesday, September 12, 2017 7:45:37 AM
>>
>> > > To: dev@samza.apache.org<mailto:dev@samza.apache.org>
>>
>> > > Subject: Connection timed out error while installing "Hello Samza"
>>
>> > >
>>
>> > > Hi,
>>
>> > >
>>
>> > > I am trying to install "Hello Samza" on a single node Initially I
>>
>> > > have installed Kafka, Yarn and Zookeeper using  bin/grid install
>>
>> > > kafka/yarn/zookeeper When I am trying bin/grid bootstrap getting
>>
>> > > connection timed out error It also mentions no kafka, yarn and
>>
>> > > zookeeper installed
>>
>> > >
>>
>> > > Please find below the error message
>>
>> > >
>>
>> > > [root@codehdplak-po-r19p bin]# cd ..
>>
>> > > [root@codehdplak-po-r19p hello-samza]#  bin/grid install kafka
>>
>> > > EXECUTING: install kafka
>>
>> > > Using previously downloaded file /root/.samza/download/kafka_2.
>>
>> > > 11-0.10.1.1.tgz
>>
>> > > [root@codehdplak-po-r19p hello-samza]# bin/grid install yarn
>>
>> > > EXECUTING: install yarn
>>
>> > > Using previously downloaded file
>>
>> > > /root/.samza/download/hadoop-2.6.1.tar.gz
>>
>> > > [root@codehdplak-po-r19p hello-samza]# bin/grid install zookeeper
>>
>> > > EXECUTING: install zookeeper
>>
>> > > Using previously downloaded file /root/.samza/download/
>>
>> > > zookeeper-3.4.3.tar.gz [root@codehdplak-po-r19p hello-samza]#
>>
>> > > bin/grid bootstrap Bootstrapping the system...
>>
>> > > EXECUTING: stop kafka
>>
>> > > No kafka server to stop
>>
>> > > EXECUTING: stop yarn
>>
>> > > no resourcemanager to stop
>>
>> > > no nodemanager to stop
>>
>> > > EXECUTING: stop zookeeper
>>
>> > > JMX enabled by default
>>
>> > > Using config:
>>
>> > > /app/home/eventsvc/samza-git/hello-samza/deploy/zookeeper/
>>
>> > > bin/../conf/zoo.cfg
>>
>> > > Stopping zookeeper ... no zookeeper to stop (could not find file
>>
>> > > /tmp/zookeeper/zookeeper_server.pid)
>>
>> > > EXECUTING: install samza
>>
>> > > Building samza from master...
>>
>> > > ~/.samza/download /app/home/eventsvc/samza-git/hello-samza
>>
>> > > Cloning into 'samza'...
>>
>> > > fatal: unable to connect to git.apache.org:
>>
>> > > git.apache.org[0: 54.84.58.65]: errno=Connection timed out
>>
>> > >
>>
>> > >
>>
>> > > Could you please help me to resolve this issue?
>>
>> > >
>>
>> > > Regards,
>>
>> > > ~Sri
>>
>> > >
>>
>> >
>>
>
>

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