Black Lists Fail To Stop Shady Marketing And Scam Brokers

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Why could Kafka warn “partitions have leader brokers without a matching listener”?

I’m trying to get Kafka to work on docker-compose for the first time. The application runs fine without docker. But on docker, I get the error as described below. Any reason why Kafka would throw this error?

email-service_1 | 2020-12-01 14:32:02.448 WARN 1 — [ntainer#0-0-C-1] o.a.k.c.NetworkClient : [Consumer clientId=consumer-2, groupId=kafka] 1 partitions have leader brokers without a matching listener, including [email-token-0]

My docker-compose config:

3 Answers 3

As stated in the comments to your question the problem seems to be with the advertised name for the Kafka broker. According to your docker-compose you should be using 192.168.23.134 but your email-service is using kafka:9092 . You can try with this docker-compose. I replaced the wurstmeister services with the latest Zookeeper and Kafka provided by confluentinc and added your email-service.

advertised.listeners: Listeners to publish to ZooKeeper for clients to use, if different than the listeners config property. In IaaS environments, this may need to be different from the interface to which the broker binds. If this is not set, the value for listeners will be used. Unlike listeners it is not valid to advertise the 0.0.0.0 meta-address.

Please note that KAFKA_ADVERTISED_HOST_NAME has been deprecated and it’s recommended to use KAFKA_ADVERTISED_LISTENERS instead. For more information about KAFKA_ADVERTISED_LISTENERS check here.

[context]

I am trying to run a docker compose with a kafka client using the registry of https://github.com/wurstmeister/kafka-docker I am trying to run a very simple kafka cluster with a single broker and 3 topics with each 1 partition and a replication factor of 1.

this great link explains connectivity for a kafka cluster with one broker, a kafka cluster with several brokers and also notions about the listeners, all using docker, please have a look : https://github.com/wurstmeister/kafka-docker/wiki/Connectivity

[result]

The first time i run docker-compose up –force-recreate –build , everything runs just fine !
The topics are created automatically using KAFKA_CREATE_TOPICS and I can use kafka producer and consumer just fine.

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list topics : bin/kafka-topics.sh –list –bootstrap-server localhost:9092
producer : bin/kafka-console-producer.sh –broker-list localhost:9092 –topic productadvisor_sales_dev
consumer : bin/kafka-console-consumer.sh –bootstrap-server localhost:9092 –topic productadvisor_sales_dev –from-beginning

After that, everytime I do docker-compose stop , and relaunch using docker-compose up –force-recreate –build and try to produce data I get the following error message .

Error Message : [2020-09-23 19:41:33,037] WARN [Producer clientId=console-producer] 1 partitions have leader brokers without a matching listener, including [productadvisor_purchase_dev-0] (org.apache.kafka.clients.NetworkClient)

[Answer]

It appears you need to specify the value of KAFKA_BROKER_ID (=1 for instance) so that the zookeeper doesn’t try to create a new broker which can’t have a listener because it is binded to the old one.

[Code]

[Some documentation]

NB

if anyone has more information about the inner working of kafka, the zookeeper and the broker and why we need to specify it, why the information is kept even if I do a –force-recreate –build . please do not hesitate. I am new to kafka and this is one of my first complete post on stackoverflow :)

Zulander Hack Scam and Michael Wright In Cahoots With Shady Brokers

Binary Scam Alerts is posting an urgent scam warning to it’s members in regard to the filthy Zulander Hack Scam and Michael Wright. These Cyber-Criminals are acting in cahoots with dishonest, thieving brokers similar to Optionmint and Zenith Options. After conducting an investigation into these criminal tactics, we have received proof and insider information from a company employee advising us there is an agreement outlining the shared responsibilities. The advertiser or affiliate is responsible for delivering the traders or customers, and the broker steals their money. They share the profits after aggressive sales reps bleed the customers dry, deplete their credit cards using overcharging and additional unsavory fraud tactics, and then proceed to send them on their merry way disregarding communication attempts.

In the image above you will see a simple diagram outlining how the scam works. It’s easy to see how the brokers are cooperating with the Zulander Hack and fleecing the would-be investors.

Credit Card Companies and Regulatory Bodies Are Also to Blame!
Its really sad to see how the whole echo-system is functioning as a kind of octopus where everyone profits except the traders (that’s you). Visa and Mastercard charge exorbitant fees for binary options since it is considered a high risk niche. CySec, MiFid, ASIC, and other legal entities line their coffers and will pretty much let the bigger brokers do what they want since they are sending massive amounts of money their way. The Broker and employees are happy because they get salaries and profits, and the only one losing the money is the trader.

Zulander Hack Software
There is nothing genuine, honest, or transparent about this software. It’s supposed to be an automated trading solution but that’s besides the point. It’s completely bogus and has not one thing to do with actual binary options trading. It’s just code put together by programmers (most likely PHP) designed to get you to lose money and fork over commissions to the advertisers.

Actors, Pressure Tactics, Use of Inflated Figures and Fabricated Bank Accounts
As we have mentioned in our previous review, the Zulander Hack is a rehash of the Mockingbird Method Scam. The purveyors of this fallacy and massive and deliberate misrepresentation of the truth have defrauded an astonishingly high number of innocent victims using spam Emails and false advertising tactics. Actors are extensively used in this fake promotion, and photo-shopped bank accounts with inflated figures are common practice.

Zoolander?
What in the world were these people thinking about when they thought of a name for this fake app. They invested a lot of money in the GIG and hired a lot of actors and production staff. But it really boggles the mind when you try to think of what they were trying to do. Maybe piggy backing on the name of the movie to get more exposure was the though process, but they totally missed it.

Real Solutions, Consistent Profits You Can Bank On!
If you are looking for an automated trading solution we will only recommend Virtnext since it is a solid APP. If you are interested in a signals solution, which is even better in my opinion, please check out our binary profit method review since we fully endorse it.

Conclusions and Warning
The Zulander Hack is an obvious scam perpetrated by unscrupulous marketers and shady offshore brokers. You will end up losing your money, (not to mention your self respect) and eventually your credit card will start getting declined and your bank will start calling you regarding suspicious and unauthorized transactions.

Black Lists Fail To Stop Shady Marketing And Scam Brokers

GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.

Scam-Brokers / README.md

Check the facts

Here are suggested things to check about the broker:

  • Check whether they’re on FCA Register.
  • Check FCA’s ScamSmart.
  • Check Unauthorised firms and individuals at FCA.
  • For Swiss financial market, read public warnings issued by FINMA.
  • Check Forex Peace Army database of brokers stealing traders money.
  • Check other broker blacklists such as BSA.
  • Check the Point of Contact for the IP address using ARIN whois lookup (see: ARIN and IANA).

Actions to take

If you believe you got scammed, find below suggested actions to take.

Report a scam or fraud

Contact the bank to report the fraud and check whether the deposit is eligible for a chargeback.

Report the broker on services such as: BBCR, BSA and other.

If broker’s software is hosted on MQL5.com, report it to Service Desk at MQL5 (in Profile).

Report the broker’s website to Google’s Safe Browsing to warn others.

Use ICANN’s WHOIS Lookup to check the owner of the domain (or use whois command).

If they’re hiding their true identity behind protected WHOIS, try sending the e-mail to the protected e-mail (it’ll be forwarded), if won’t help, contact WhoisGuard. You can also file a complaint to the Better Business Bureau and ICANN. You can also take a legal action to make WhoisGuard to reveal the identity of the person who victimized them, read: WhoisGuard Complaint.

If they’re hosted on GoDaddy, check on GoDaddy WHOIS database directly.

  • Contact Citizens Advice consumer service to get an advice.
  • Complain to the Ombudsman Association.
  • Contact ConsumerLine to make a complaint against a trader, report a fraud or ask about your consumer rights.
  • Open a fraud case with the London Metropolitan Police Fraud Department.

As a last resort, due to the high costs, you can look for a law firm specialising in Forex & Binary Options litigation. They can help you with diligence report on target company, legal documentation, out-of court settlement or any other statutory legislation applicable in your own country. They can also give you an advice whether you may be entitled to claim a chargeback from your bank. However, be careful to not get into another scam company.

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