Look for **log.dirs** in your server.properties file and delete all the Kafka and zookeeper logs from there and try restarting zookeeper and Kafka respectively. I was facing the same issue and doing this resolved it.

According to Confluent at https://groups.google.com/forum/#!topic/confluent-platform/h0gEik_Ii1E on 2016/10/08

&gt; Those are not errors, you can see the log level is INFO. It is simply
logging that Kafka tried to create a node that already exists. Totally
normal behavior for Kafka and nothing to worry about.

Is there an actual problem related to the message or is everything working correctly?

go to Kafka root directory and look for the logs file. and clear all logs. For instance: 
say your kafka is installed in the downloads folder: 

    cd ~/Downloads/kafka_2.13-2.6.0
    rm -rf logs

It will resolve the issue.

I had this error in my Kafka running on Windows 7.
I think this exception is not a problem since it&#39;s only info level.  Just make sure the broker is still running.  Even with this error, I could still:

1. Create and list a topic `kafka-topics.bat`.
2. Consume a topic `kafka-console-consumer.bat`.
3. Programmatically send a message `producer.send(new ProducerRecord&lt;String, String&gt;(&quot;topic&quot;, &quot;hello&quot;)).get()`.

Can&#39;t use google maps because of above said error. Anyone find the same issue ?

Found com.google.android.gms:play-services:8.4.0, but version 8.3.0 is needed for the google-services plugin

Is it possible to have a namespace that has all the declarations of more than one other namespace? Like this:

    namespace std {...};
    namespace glm {...};
    
    namespace mynamespace = std; //mynamespace is an alias for std
    namespace mynamespace += glm; //mynamespace will hold glm functions as well.

Multiple aliases for a namespace?

I have written a kafka consumer and producer that worked fine until today.
This morning, when I started zookeeper and kafka, my consumer was not able to read messages, and I found this in the zookeeper logs:

    INFO Got user-level KeeperException when processing sessionid:0x151c41e62e10000 
         type:create cxid:0x2a zxid:0x1e txntype:-1 reqpath:n/a 
         Error Path:/brokers/ids 
         Error:KeeperErrorCode = NodeExists for /brokers/ids   
         (org.apache.zookeeper.server.PrepRequestProcessor)



Zookeeper &amp; Kafka error KeeperErrorCode=NodeExists

I have written a kafka consumer and producer that worked fine until today.
This morning, when I started zookeeper and kafka, my consumer was not able to read messages, and I found this in the zookeeper logs:
<pre><code class="hljs language-less">INFO Got user-level KeeperException when processing sessionid:0x151c41e62e10000 
 type:create cxid:0x2a zxid:0x1e txntype:-1 reqpath:n/a 
 Error Path:/brokers/ids 
 Error:KeeperErrorCode = NodeExists for /brokers/ids 
 (org.apache.zookeeper.server.PrepRequestProcessor)
</code></pre>

I have recently upgraded to Windows 10 from Windows 8.1.

Now I wanted to set an environment variable for my new installation of Apache Maven.

Each time I created the user variable, things were fine. However, I also need to create the system variable where I will need to append the *bin* directory to the variable that I already create in the user variable to be &quot;path&quot;.

Now, each time I do this, I get an error that says &quot;This environment variable is too large&quot;. As a result of this, I am unable to create the path.

I have attached an image of this error.

[![Enter image description here][1]][1]

  [1]: http://i.stack.imgur.com/b4ZDD.png




Environment variable is too large on Windows 10

I&#39;m running Vagrant (1.8.1) + VirtualBox (5.0.12) on Windows 7 and trying to boot up a Windows 7 image (modernIE/w7-ie8). However, I get this error:

    ---------------------------
    VirtualBox - Error In supR3HardenedWinReSpawn
    ---------------------------
    &lt;html&gt;&lt;b&gt;NtCreateFile(\Device\VBoxDrvStub) failed: 0xc0000034 STATUS_OBJECT_NAME_NOT_FOUND (0 retries) (rc=-101)&lt;/b&gt;&lt;br/&gt;&lt;br/&gt;Make sure the kernel module has been loaded successfully.&lt;br&gt;&lt;br&gt;&lt;!--EOM--&gt;where: supR3HardenedWinReSpawn
    what:  3
    VERR_OPEN_FAILED (-101) - File/Device open failed.

    Driver is probably stuck stopping/starting. Try &#39;sc.exe query vboxdrv&#39; to get more information about its state. Rebooting may actually help.&lt;/html&gt;
    ---------------------------
    OK
    ---------------------------


I ran the query command, but the service &quot;is not found&quot;.

    &gt; sc.exe query vboxdrv
    [SC] EnumQueryServicesStatus:OpenService FAILED 1060:

    The specified service does not exist as an installed service.

I tried rebooting, too. Nothing.

Cannot boot Windows guest in VirtualBox without kernel module error

I am stuck with this error no matter what directory I am in, and what I type after &quot;npm&quot; in cmd.exe. Here is the npm-debug.log: 

    0 info it worked if it ends with ok
    1 verbose cli [ &#39;C:\\Program Files\\nodejs\\node.exe&#39;,
    1 verbose cli   &#39;C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js&#39; ]
    2 info using npm@2.14.12
    3 info using node@v4.2.6
    4 verbose stack Error: EISDIR: illegal operation on a directory, read
    4 verbose stack     at Error (native)
    5 verbose cwd C:\Users\me
    6 error Windows_NT 6.1.7601
    7 error argv &quot;C:\\Program Files\\nodejs\\node.exe&quot; &quot;C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js&quot;
    8 error node v4.2.6
    9 error npm  v2.14.12
    10 error code EISDIR
    11 error errno -4068
    12 error syscall read
    13 error eisdir EISDIR: illegal operation on a directory, read
    13 error eisdir This is most likely not a problem with npm itself
    13 error eisdir and is related to npm not being able to find a package.json in
    13 error eisdir a package you are trying to install.
    14 verbose exit [ -4068, true ]

I have tried and uninstalling/reinstalling nodejs multiple times, I even deleted npm and npm-cache folders in C:\Users\me\AppData\Roaming. I&#39;m not sure what went wrong to cause this. One second it was working fine, and now I can&#39;t get rid of this error. The explanation in the log does not make sense, as it gives this error in any directory. I should note that running a command prompt as administrator does not give this error. I&#39;m pulling my hair out this Friday evening trying to get this fixed, any help would be greatly appreciated!

NPM stuck giving the same error EISDIR: Illegal operation on a directory, read at error (native)

Learning debugging in PhpStorm and keep accidentally hitting &lt;kbd&gt;Ctrl&lt;/kbd&gt; + &lt;kbd&gt;Alt&lt;/kbd&gt; + &lt;kbd&gt;F8&lt;/kbd&gt;. I use 3 displays this disconnects the two remotes and goes back to just the laptop.

I cannot see this documented anywhere (running Win 10).

The worst part is that hitting the combination again does NOT reconnect the displays. 

Anyone know either:

* combination to reverse the effect - IE reconnect displays

* how I can stop it or 

* a tool that will help me find out where it is firing from (motherboard/Windows/Intel/nVidia/USB monitor driver - goodness knows where).

Grateful for a helping hand. &lt;kbd&gt;F8&lt;/kbd&gt; in various combinations are the debugging shortcuts for PhpStorm and I keep hitting &lt;kbd&gt;Ctrl&lt;/kbd&gt; + &lt;kbd&gt;Alt&lt;/kbd&gt; + &lt;kbd&gt;F8&lt;/kbd&gt; accidentally. I am about to throw a monitor out of the window. 

EDIT Apologies. When I posted this it said &lt;kbd&gt;Ctrl&lt;/kbd&gt; + &lt;kbd&gt;Shift &lt;/kbd&gt; + &lt;kbd&gt;F8&lt;/kbd&gt; in error. Hope did not confuse anyone.

Oops misremembered my own post!.

Ctrl Alt F8 disconnects displays?

I&#39;ve got Git for Windows (configured for MinTTY and `PuTTY\plink.exe`) and PuTTY installed, and I am trying to get it to work with a Bitbucket repository. I&#39;ve got my SSH key loaded, in Pageant and on the website, and yet whenever I attempt to do anything that requires pulling/pushing:

    Permission denied (publickey).
    fatal: Could not read from remote repository.

    Please make sure you have the correct access rights
    and the repository exists.

When I run the suggested `ssh -v hg@bitbucket.org` it uses `id_rsa` but none of my other keys in `~/.ssh`. Trying to use `ssh-add ~/.ssh/bitbucket_rsa` results in:

    Could not open a connection to your authentication agent.

I&#39;ve read about configuring PuTTY to allow forwarding, but that&#39;s usually where the advice ends, so I just set this option for the default session and saved it there.

I&#39;ve run `ps` to check which applications were running, and `ssh-agent` was not among them. Running `eval &#39;ssh-agent&#39;` starts the daemon, but it makes no difference.



Git Bash and Pageant are not using keys

I noticed that the Consumer configuration has two IDs. One is `group.id` (mandatory) and second one is `consumer.id` (not Mandatory). 

What is the difference between these 2 IDs?

difference between groupid and consumerid in Kafka consumer

How can I get number of partitions for any kafka topic from the code. I have researched many links but none seem to work.

Mentioning a few:

http://grokbase.com/t/kafka/users/148132gdzk/find-topic-partition-count-through-simpleclient-api

http://grokbase.com/t/kafka/users/151cv3htga/get-replication-and-partition-count-of-a-topic

http://qnalist.com/questions/5809219/get-replication-and-partition-count-of-a-topic

which look like similar discussions.

Also there are similar links on SO which do not have a working solution to this.

kafka get partition count for a topic

We are planning to write a Kafka consumer(java) which reads Kafka queue to perform an action which is in the message.

As the consumers run independently, will the message is processed by only one consumer at a time? Else all the consumers process the same message as they have their own offset in the partition.

Please help me understand.

Can multiple Kafka consumers read same message from the partition

I am trying to use Kafka.  
All configurations are done properly but when I try to produce message from console I keep getting the following error

    WARN Error while fetching metadata with correlation id 39 : 
         {4-3-16-topic1=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient)


Kafka version: `2.11-0.9.0.0`

Leader Not Available Kafka in Console Producer

I am trying to use `wurstmeister\kafka-docker` image with  `docker-compose`, but I am having real problems with connecting everything.

All the posts or questions that I check, seems not to have any problems, but I am frankly lost. (And there are at least two questions in SO that try to address the problem)

I believe that the problem is my poor understanding of the networking of `docker`. So the problem:

I can consume and produce from the same container of kafka, but, when I try to create another container (or use my laptop with a python client) I got several errors related to the `advertised.host.name` parameter (in the image this parameter is `KAFKA_ADVERTISED_HOST_NAME`) 

I already try setting this variable in lot of ways, but it simply don&#39;t work.

So I am looking for a authorative answer (i.e. how to set automatically those parameters and what is it meaning)  how to set the `docker-compose.yml`

This is mine:

    zookeeper:
      image: wurstmeister/zookeeper
      ports:
        - &quot;2181:2181&quot;
    
    kafka:
      image: wurstmeister/kafka
     # hostname: kafka
      ports:
        - &quot;9092&quot;
      links:
        - zookeeper:zk
      environment:
        KAFKA_ADVERTISED_HOST_NAME: &quot;kafka&quot;
        KAFKA_ADVERTISED_PORT: &quot;9092&quot;
        KAFKA_ZOOKEEPER_CONNECT: &quot;zk:2181&quot;


**UPDATE**

Following the advise of @dnephin, I modified the `start-kafka.sh` in the following lines:

    ...
    if [[ -z &quot;$KAFKA_ADVERTISED_PORT&quot; ]]; then
        export KAFKA_ADVERTISED_PORT=$(hostname -i)
    fi
    ...

and  remove `KAFKA_ADVERTISED_HOST_NAME: &quot;kafka&quot;` from the `docker-compose.yml` 


I started the containers in the canonical way:

    docker-compose up -d

Both of the containers are running:

    $ docker-compose ps
               Name                          Command               State                     Ports                    
    -----------------------------------------------------------------------------------------------------------------
    infraestructura_kafka_1       start-kafka.sh                   Up      0.0.0.0:32768-&gt;9092/tcp                    
    infraestructura_zookeeper_1   /opt/zookeeper/bin/zkServe ...   Up      0.0.0.0:2181-&gt;2181/tcp, 2888/tcp, 3888/tcp 

Afterwards I did:

    docker-compose logs

And everything run smoothly.

For checking the ip addresses:


    $ KAFKA_IP=$(docker inspect --format &#39;{{ .NetworkSettings.IPAddress }}&#39; infraestructura_kafka_1)                                                                                                            
    $ echo $KAFKA_IP
    172.17.0.4
    
    and
    
    $ ZK_IP=$(docker inspect --format &#39;{{ .NetworkSettings.IPAddress }}&#39; infraestructura_zookeeper_1)                                                                                                           
    $ echo $ZK_IP 
    172.17.0.3


Then I execute in two differents consoles:

A producer:

    $ docker run --rm --interactive wurstmeister/kafka /opt/kafka_2.11-0.9.0.1/bin/kafka-console-producer.sh --topic grillo --broker-list 171.17.0.4:9092  

A consumer:

    $ docker run --rm --interactive  wurstmeister/kafka /opt/kafka_2.11-0.9.0.1/bin/kafka-console-consumer.sh --topic grillo --from-beginning --zookeeper 172.17.0.3:2181 

Almost immediately, warnings start flying all over the screen:

    [2016-03-11 00:39:17,010] WARN Fetching topic metadata with correlation id 0 for topics [Set(grillo)] from broker [BrokerEndPoint(1001,ba53d4fd7595,9092)] failed (kafka.client.ClientUtils$)
    java.nio.channels.ClosedChannelException
            at kafka.network.BlockingChannel.send(BlockingChannel.scala:110)
            at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:75)
            at kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:74)
            at kafka.producer.SyncProducer.send(SyncProducer.scala:119)
            at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:59)
            at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:94)
            at kafka.consumer.ConsumerFetcherManager$LeaderFinderThread.doWork(ConsumerFetcherManager.scala:66)
            at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
    [2016-03-11 00:39:17,013] WARN [console-consumer-79688_9dd5f575d557-1457656747003-f1ed369d-leader-finder-thread], Failed to find leader for Set([grillo,0]) (kafka.consumer.ConsumerFetcherManager$LeaderFin
    derThread)
    kafka.common.KafkaException: fetching topic metadata for topics [Set(grillo)] from broker [ArrayBuffer(BrokerEndPoint(1001,ba53d4fd7595,9092))] failed
            at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:73)
            at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:94)
            at kafka.consumer.ConsumerFetcherManager$LeaderFinderThread.doWork(ConsumerFetcherManager.scala:66)
            at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:63)
    Caused by: java.nio.channels.ClosedChannelException
            at kafka.network.BlockingChannel.send(BlockingChannel.scala:110)
            at kafka.producer.SyncProducer.liftedTree1$1(SyncProducer.scala:75)
            at kafka.producer.SyncProducer.kafka$producer$SyncProducer$$doSend(SyncProducer.scala:74)
            at kafka.producer.SyncProducer.send(SyncProducer.scala:119)
            at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:59)
            ... 3 more

and so on


In the console of the producer, I wrote some sentences:

    $ docker run --rm --interactive klustera/kafka /opt/kafka_2.11-0.9.0.1/bin/kafka-console-producer.sh --topic grillo --broker-list 171.17.0.4:9092                                                           
    Hola
    &#191;C&#243;mo est&#225;ń?
    &#191;Todo bien?

And a few moments later, I got this response:

    [2016-03-11 00:39:28,955] ERROR Error when sending message to topic grillo with key: null, value: 4 bytes with error: Failed to update metadata after 60000 ms. (org.apache.kafka.clients.producer.internals.ErrorLoggingCallback)
    [2016-03-11 00:40:28,956] ERROR Error when sending message to topic grillo with key: null, value: 16 bytes with error: Failed to update metadata after 60000 ms. (org.apache.kafka.clients.producer.internals.ErrorLoggingCallback)
    [2016-03-11 00:41:28,956] ERROR Error when sending message to topic grillo with key: null, value: 12 bytes with error: Failed to update metadata after 60000 ms. (org.apache.kafka.clients.producer.internals.ErrorLoggingCallback)

And in the `docker-compose logs`

    ...
    zookeeper_1 | 2016-03-11 00:39:07,072 [myid:] - INFO  [ProcessThread(sid:0 cport:2181)::PrepRequestProcessor@651] - Got user-level KeeperException when processing sessionid:0x153631368b1000b type:create c
    xid:0x2 zxid:0x47 txntype:-1 reqpath:n/a Error Path:/consumers Error:KeeperErrorCode = NodeExists for /consumers
    zookeeper_1 | 2016-03-11 00:39:07,243 [myid:] - INFO  [ProcessThread(sid:0 cport:2181)::PrepRequestProcessor@651] - Got user-level KeeperException when processing sessionid:0x153631368b1000b type:create c
    xid:0x19 zxid:0x4b txntype:-1 reqpath:n/a Error Path:/consumers/console-consumer-79688/owners/grillo Error:KeeperErrorCode = NoNode for /consumers/console-consumer-79688/owners/grillo
    zookeeper_1 | 2016-03-11 00:39:07,247 [myid:] - INFO  [ProcessThread(sid:0 cport:2181)::PrepRequestProcessor@651] - Got user-level KeeperException when processing sessionid:0x153631368b1000b type:create $xid:0x1a zxid:0x4c txntype:-1 reqpath:n/a Error Path:/consumers/console-consumer-79688/owners Error:KeeperErrorCode = NoNode for /consumers/console-consumer-79688/owners
    ...


**UPDATE 2**

I made it work, at least, in `docker-machine`:

First, I defined a variable with the name of the `docker-machine`:

    DOCKER_VM=kafka_test

Then, I modify the `docker-compose.yml` as follows:

    KAFKA_ADVERTISED_HOST_NAME: &quot;${DOCKER_MACHINE_IP}&quot;

Lastly, in the environment of the `docker-machine`, I execute:

    DOCKER_MACHINE_IP=$(docker-machine ip $DOCKER_VM) docker-compose up -d


But in the laptop (I mean, without using a virtual machine, it doesn&#39;t work)



Kafka in Docker not working

I&#39;m using ***kafka 0.10*** without *zookeeper*. I want to get kafka topics list. This command is not working since we&#39;re not using zookeeper: 
`bin/kafka-topics.sh --list --zookeeper localhost:2181`. How can I get the same output without zookeeper?

List all Kafka 0.10 topics using - -zookeeper flag without access to Zookeeper

I am running in my locahost both Zookeeper and Kafka (1 instance each).

I create succesfully a topic from kafka:

    ./bin/kafka-topics.sh --zookeeper localhost:2181 --create --replication-factor 1 --partitions 1 --topic Hello-Nicola

    Created topic &quot;Hello-Nicola&quot;.

Kafka logs show:

    [2017-12-06 16:00:17,753] INFO [KafkaServer id=0] started (kafka.server.KafkaServer)
    [2017-12-06 16:03:19,347] INFO [ReplicaFetcherManager on broker 0] Removed fetcher for partitions Hello-Nicola-0 (kafka.server.ReplicaFetcherManager)
    [2017-12-06 16:03:19,393] INFO Loading producer state from offset 0 for partition Hello-Nicola-0 with message format version 2 (kafka.log.Log)
    [2017-12-06 16:03:19,406] INFO Completed load of log Hello-Nicola-0 with 1 log segments, log start offset 0 and log end offset 0 in 35 ms (kafka.log.Log)
    [2017-12-06 16:03:19,408] INFO Created log for partition [Hello-Nicola,0] in /tmp/kafka-logs with properties {compression.type -&gt; producer, message.format.version -&gt; 1.0-IV0, file.delete.delay.ms -&gt; 60000, max.message.bytes -&gt; 1000012, min.compaction.lag.ms -&gt; 0, message.timestamp.type -&gt; CreateTime, min.insync.replicas -&gt; 1, segment.jitter.ms -&gt; 0, preallocate -&gt; false, min.cleanable.dirty.ratio -&gt; 0.5, index.interval.bytes -&gt; 4096, unclean.leader.election.enable -&gt; false, retention.bytes -&gt; -1, delete.retention.ms -&gt; 86400000, cleanup.policy -&gt; [delete], flush.ms -&gt; 9223372036854775807, segment.ms -&gt; 604800000, segment.bytes -&gt; 1073741824, retention.ms -&gt; 604800000, message.timestamp.difference.max.ms -&gt; 9223372036854775807, segment.index.bytes -&gt; 10485760, flush.messages -&gt; 9223372036854775807}. (kafka.log.LogManager)
    [2017-12-06 16:03:19,409] INFO [Partition Hello-Nicola-0 broker=0] No checkpointed highwatermark is found for partition Hello-Nicola-0 (kafka.cluster.Partition)
    [2017-12-06 16:03:19,411] INFO Replica loaded for partition Hello-Nicola-0 with initial high watermark 0 (kafka.cluster.Replica)
    [2017-12-06 16:03:19,413] INFO [Partition Hello-Nicola-0 broker=0] Hello-Nicola-0 starts at Leader Epoch 0 from offset 0. Previous Leader Epoch was: -1 (kafka.cluster.Partition)


But Zookeeper logs show:

    2017-12-06 16:03:19,299 [myid:] - INFO  [ProcessThread(sid:0 cport:2181)::PrepRequestProcessor@653] - Got user-level KeeperException when processing sessionid:0x1000177fb3d0001 type:create cxid:0x43 zxid:0x26 txntype:-1 reqpath:n/a Error Path:/brokers/topics/Hello-Nicola/partitions/0 Error:KeeperErrorCode = NoNode for /brokers/topics/Hello-Nicola/partitions/0
    2017-12-06 16:03:19,302 [myid:] - INFO  [ProcessThread(sid:0 cport:2181)::PrepRequestProcessor@653] - Got user-level KeeperException when processing sessionid:0x1000177fb3d0001 type:create cxid:0x44 zxid:0x27 txntype:-1 reqpath:n/a Error Path:/brokers/topics/Hello-Nicola/partitions Error:KeeperErrorCode = NoNode for /brokers/topics/Hello-Nicola/partitions


If I try to produce messages:

    ./bin/kafka-console-producer.sh --broker-list localhost:9092 --topic Hello-Nicola
    &gt;ciao
    [2017-12-06 16:04:21,897] WARN [Producer clientId=console-producer] Connection to node -1 could not be established. Broker may not be available. (org.apache.kafka.clients.NetworkClient)
    [2017-12-06 16:04:22,000] WARN [Producer clientId=console-producer] Connection to node -1 could not be established. Broker may not be available. (org.apache.kafka.clients.NetworkClient)


server.properties (in kafka) is:

    broker.id=0
    listeners=PLAINTEXT://mylocal-0:9092
    num.network.threads=3
    num.io.threads=8
    socket.send.buffer.bytes=102400
    socket.receive.buffer.bytes=102400
    socket.request.max.bytes=104857600
    num.partitions=1
    num.recovery.threads.per.data.dir=1
    offsets.topic.replication.factor=1
    transaction.state.log.replication.factor=1
    transaction.state.log.min.isr=1
    log.retention.hours=168
    log.segment.bytes=1073741824
    log.retention.check.interval.ms=300000
    zookeeper.connect=localhost:2181
    zookeeper.connection.timeout.ms=6000
    group.initial.rebalance.delay.ms=0


It seems that Zookeeper didn&#39;t registrer any broker.

Any suggestion, please?





Kafka + Zookeeper: Connection to node -1 could not be established. Broker may not be available

I&#39;m learning how to use Kafka on this website [link][1](except I&#39;m using port 2182 in zookeeper), but it shows:

&gt; zookeeper is not a recognized option

after executing:

&gt; sudo ./bin/kafka-console-consumer.sh --topic test --zookeeper
&gt; localhost:2182

How to fix it?

Env:

    kafka_2.11-2.1.0
    zookeeper-3.4.10


  [1]: https://data-artisans.com/blog/kafka-flink-a-practical-how-to
  [2]: https://stackoverflow.com/questions/53341838/kafka-consumer-zookeeper-is-not-a-recognized-option

Content Type	Original Author	Original Content on Stackoverflow
Question	adellarocca	View Question on Stackoverflow
Solution 1 - Windows	Alok Mishra	View Answer on Stackoverflow
Solution 2 - Windows	disrvptor	View Answer on Stackoverflow
Solution 3 - Windows	Dhruv Choudhary	View Answer on Stackoverflow
Solution 4 - Windows	jpllosa	View Answer on Stackoverflow

Zookeeper & Kafka error KeeperErrorCode=NodeExists

Windows Problem Overview

Windows Solutions

Solution 1 - Windows

Solution 2 - Windows

Solution 3 - Windows

Solution 4 - Windows

Multiple aliases for a namespace?

Found com.google.android.gms:play-services:8.4.0, but version 8.3.0 is needed for the google-services plugin

Attributions