In essence, this means either have every newly added field as nullable or define default values for every new field. System property 'java.security.auth.login.config', Could not find a 'KafkaClient' entry in the JAAS configuration. It will be closed if no further activity occurs. There are 2 ways you can pass jaas conf to your kafka consumer. Can Kafka be provided with custom LoginModule to support LDAP? Set Authentication Protocol as Plain_text as. DebeziumThe \'database.names\' value is invalid: Cannot be empty. security_protocol => "SASL_SSL" By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Also, when you create SparkConf I see that you are not applying it to the current SparkSession. kafka { Powered by Discourse, best viewed with JavaScript enabled, Kafka input - Could not find a 'KafkaClient' entry in the JAAS configuration. rev2023.4.21.43403. What differentiates living as mere roommates from living in a marriage-like relationship? fetch.max.bytes = 52428800 Understanding the probability of measurement w.r.t. Kafka One of the good approaches can be fetching schema from hive metastore and merging it with the current schema. java.lang.IllegalArgumentException: Could not find a 'KafkaClient' entry in the JAAS configuration. System property 'java.security.auth.login.config' is not set This might happen when you are trying to ingest from ssl enabled kafka source and your setup is not able to read jars.conf file and its properties. I also had to set as a system property because I was running in client mode: Could not find a 'KafkaClient' entry in the JAAS configuration. sh: + + + +requested user metron is not whitelisted and has id 501,which is below the minimum allowed 1000. canalkafkakerberos 1canal.properties canal.mq.kafka.kerberos.enable = true canal.mq.kafka.kerberos . What were the most popular text editors for MS-DOS in the 1980s? Sample stacktrace where a field named "toBeDeletedStr" was omitted from new batch of updates : https://gist.github.com/nsivabalan/cafc53fc9a8681923e4e2fa4eb2133fe. Already on GitHub? Doing any other incompatible change will throw this exception. Could not find a 'KafkaClient' entry in the JAAS configuration . Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey. Happens generally when field marked as recordKey or partitionKey is not present in some incoming record. Why xargs does not process the last argument? For example, your configuration file becomes: As you've already figured out, you can use --command-config to pass a properties file to kafka-consumer-groups.sh. I tried searching for a solution but I can't find anything useful. metrics.sample.window.ms = 30000 Java 1.8 JAAS doesn't recognize the principal in my own generated keytab, Spring Security Kerberos + AD, Checksum Fail, WSO2 EI611 Kafka connector error jaas.conf not found, Kafka spring integration authorization with sasl, Kafka Server - Could not find a 'KafkaServer' in JAAS, integration issue between Kafkaand OSB 12c, Flink + Kafka + Kerberos: Could not find a 'KafkaClient' entry in the JAAS configuration, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. if there is enough memory, please increase spark executor's memory and "hoodie.memory.merge.fraction" option, for example. key.deserializer = class org.apache.kafka.common.serialization.StringDeserializer To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I am using a connector but giving "kafkaconnect" as service name didn't work. Asking for help, clarification, or responding to other answers. Kafka - Could not find a 'KafkaClient' entry in the JAAS configuration java; Kafka - Could not find a 'KafkaClient' entry in the JAAS configuration java. MIP Model with relaxed integer constraints takes longer to solve than normal model, why? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. If not, then you can focus on the pega/WAS side. Making statements based on opinion; back them up with references or personal experience. He also rips off an arm to use as a sword. retry.backoff.ms = 100 565), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. Why does Acts not mention the deaths of Peter and Paul? interceptor.classes = Which language's style guidelines should be used when writing code that is supposed to be called from another language? Adding EV Charger (100A) in secondary panel (100A) fed off main (200A). Your JAAS conf file is correct. I'm quite new to Kafka and I am looking for some help, I am trying to connect to a Kafka broker with this ahkq config: akhq: connections: docker-kafka-server: properties: bootstrap.servers: . group.id = someGroup Could not find a 'KafkaClient' entry in the JAAS configuration. oracle-java8-installer/xenial,xenial,now 8u161-1~webupd8~1 In the future, a more sophisticated debug/management UI would be added to the project, that can help automate some of this debugging. How we can deploy my existing kafka - spark - cassandra project to kafka - dataproc -cassandra in google-cloud-platform? ssl.secure.random.implementation = null Short story about swapping bodies as a job; the person who hires the main character misuses his body. System property 'java.security.auth. It's not them. What are the advantages of running a power tool on 240 V vs 120 V? ssl.enabled.protocols = [TLSv1.2, TLSv1.1, TLSv1] In this case, you set it to the path of your JAAS file. ssl.cipher.suites = null ', referring to the nuclear power plant in Ignalina, mean? Contributions are always welcome to improve this section. How do I stop the Flickering on Mode 13h? call clean_data mor. He also rips off an arm to use as a sword. Please try again in a few minutes. When upsert large input data, hudi will spills part of input data to disk when reach the max memory for merge. RESOLUTION: When Kafka is secure and Security Protocol is set to SASL_PLAINTEXT in ConsumeKafka processor configuration, There are two factors that needs to be considered: 1. Can my creature spell be countered if I cast a split second spell after it? Caused by: java.lang.IllegalArgumentException: Could not find a 'KafkaClient' entry in the JAAS configuration. I'm having some troubles with a simple Kafka consumer program: I read about this could be a possible problem related to jaas.conf but I'm new into Kafka and I don't know how to find it.. Caused by: java.lang.IllegalArgumentException: Could not find a 'KafkaClient' entry in the JAAS configuration. request.timeout.ms = 305000 client.id = logstash-0 Using an Ohm Meter to test for bonding of a subpanel, Short story about swapping bodies as a job; the person who hires the main character misuses his body. Like (0) ', referring to the nuclear power plant in Ignalina, mean? Select a single Lambda method invocation and investigate further at the Java method level. settings: JAAS config looks like this: @pp z. Hi, could you please make sure your kafka_client_jaas.conf is configured properly? Build it with Brenna: SQL Server Origin to Snowflake Destination. What does 'They're at four. If confirmed, please use the metadata fields above, to identify the physical files & partition files containing the records . Step 2: Directly execute below command in CLI as a root user. ssl.protocol = TLS java.lang.IllegalArgumentException: Could not find a 'KafkaClient' entry in the JAAS configuration. Connect and share knowledge within a single location that is structured and easy to search. Step 2: Directly execute below command in CLI as . rev2023.4.21.43403. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. tried both not working for me, any suggest? Use case : Trying to integrate Kafka and Druid for the loading the data from Kafka to Druid through of KafkaClient. https://kafka.apache.org/0110/documentation.html#security_sasl, sasl.jaas.configClientConfig, java.security.auth.login.config sasl.jaas.config sasl.jaas.config, Could not find a 'KafkaClient' entry in the JAAS configuration. . Could a subterranean river or aquifer generate enough continuous momentum to power a waterwheel for the purpose of producing electricity? Is KAFKA_OPTS a workaround ? ssl_truststore_type => "pkcs12" With the release of 0.5.1 version of Hudi, spark was upgraded to 2.4.4 and spark-streaming-kafka library was upgraded to spark-streaming-kafka-0-10. This error will again occur due to schema evolutions in non-backwards compatible way. In this article, we will explain how to resolve the Could not find a KafkaClient entry in the JAAS configuration. KafkaGSSAPI. I have set sasl.jaas.config properly, but I still get, Kafka "Login module not specified in JAAS config", How a top-ranked engineering school reimagined CS curriculum (Ep. Now I can use these scripts without any errors. sasl_kerberos_service_name => "kafka" at org.apache.hudi.keygen.SimpleKeyGenerator.getKey(SimpleKeyGenerator.java:58), at org.apache.hudi.HoodieSparkSqlWriter$$anonfun$1.apply(HoodieSparkSqlWriter.scala:104), at org.apache.hudi.HoodieSparkSqlWriter$$anonfun$1.apply(HoodieSparkSqlWriter.scala:100). My jaas and above command are in same directory. Note that Hudi client also caches intermediate RDDs to intelligently profile workload and size files and spark parallelism. Running multiple Spark Kafka Structured Streaming queries in same spark session increasing the offset but showing numInputRows 0. Could you please try adding KAFKA_OPTS variable like this? apache-spark; apache-kafka; System property 'java.security.auth.login.config' is not set Solution: The pipeline failure is caused by a configuration property not being set for the Data Collector instance on which the pipeline is running. Basically my flink app reads data from topic A and finds events matching some pattern sequence and write output to topic B. From what it looks like Kafka fails to read the kafka client configuration specified in the provided jaas_path. New replies are no longer allowed. Try to have all lower case letters for your table name and it should likely get fixed. Thanks for contributing an answer to Stack Overflow! System property 'java.security.auth.login.config', https://kafka.apache.org/0110/documentation.html#security_sasl. This issue is caused by hive version conflicts, hudi built with hive-2.3.x version, so if still want hudi work with older hive version, This issue could occur when syncing to hive. then JAAS Authentication required to set in your property. This might happen when you are trying to ingest from ssl enabled kafka source and your setup is not able to read jars.conf file and its properties. Unexpected uint64 behaviour 0xFFFF'FFFF'FFFF'FFFF - 1 = 0? SSL support was introduced from spark-streaming-kafka-0-10. What does "Could not find or load main class" mean? To learn more, see our tips on writing great answers. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. What is this brick with a round back and a stud on the side used for? Within kafka_client_jaas.conf , create a client login section named KafkaClient to configure a login module for the selected mechanism. What I did: Which language's style guidelines should be used when writing code that is supposed to be called from another language? answers Stack Overflow for Teams Where developers technologists share private knowledge with coworkers Talent Build your employer brand Advertising Reach developers technologists worldwide About the company current community Stack Overflow help chat Meta Stack Overflow your communities Sign. sasl.kerberos.kinit.cmd = /usr/bin/kinit System property 'java.security.auth.login.config' is not set, How a top-ranked engineering school reimagined CS curriculum (Ep. A boy can regenerate, so demons eat him for years. Thanks, Expected behavior Making statements based on opinion; back them up with references or personal experience. Ubuntu 16.04. How do I debug an issue? Could not find a 'KafkaClient' entry in the JAAS configuration. bootstrap_servers => "someIP:somePort" This section lists down all the common issues that users have faced while using Hudi. System property 'java.security.auth.login.config' is not set . Section below generally aids in debugging Hudi failures. ssl.keystore.location = null Thanks for contributing an answer to Stack Overflow! call clean_data (table => 'table_name', sql => 'delete statement') call clean_data (table => 'mytable', sql=>'select * from . This occurs because HiveSyncTool currently supports only few compatible data type conversions. What differentiates living as mere roommates from living in a marriage-like relationship? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. First, I tried to run kafka-console-consumer script, I used --command-config to add necessary file. To access shell environment from python we will . @kreuzj I have a feeling there's an extra environment variable might be required. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. privacy statement. sasl.jaas.config=<value> In case if you are relying on default value for your field, as of Hudi version 0.5.1, this is not handled. Arun - Thanks for your response !! Ask Question Asked 4 years, 8 months ago. The following error message is seen in the SDC logs: The pipeline failure is caused by a configuration property not being set for the Data Collector instance on which the pipeline is running. Version: to your account. From logstash log: Unable to create Kafka consumer from given configuration security.protocol = SASL_SSL ssl.truststore.location = /etc/logstash/kafka.truststore.pkcs12 565), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. You signed in with another tab or window. I have a problem communicating with Kafka secured with sasl using console scripts. ssl.trustmanager.algorithm = PKIX The above resolutions are very simple to resolve the Kafka jaas configurations by using Kafka export command. Connect and share knowledge within a single location that is structured and easy to search. If file is there in your Kafka cluster then execute the below command. Caused by: java.lang.IllegalArgumentException: Could not find a 'KafkaClient' entry in the JAAS configuration. sasl.kerberos.service.name = someName ssl.provider = null Kafka - Could not find a 'KafkaClient' entry in the JAAS configuration java. Caused by: java.lang.IllegalArgumentException: Could not find a 'KafkaClient' entry in the JAAS configuration. Like I mentioned in previous comment, this error is thrown when your client unable to find JAAS conf file. For such errors, please try to ensure only valid data type conversions are happening in your primary data source from where you are trying to ingest. No servicename defined in either jaas or kafka config. . set hive.metastore.disallow.incompatible.col.type.changes=false; 1. git clone [email protected]:apache/incubator-hudi.git, 2. rm hudi-hadoop-mr/src/main/java/org/apache/hudi/hadoop/hive/HoodieCombineHiveInputFormat.java, 3. mvn clean package -DskipTests -DskipITs -Dhive.version=2.1.0, https://avro.apache.org/docs/1.8.2/spec.html, https://gist.github.com/nsivabalan/cafc53fc9a8681923e4e2fa4eb2133fe, https://gist.github.com/nsivabalan/0d81cd60a3e7a0501e6a0cb50bfaacea, https://github.com/apache/hudi/issues/2409. There are 2 ways you can pass jaas conf to your kafka consumer. Such incompatible data type conversions are not supported by Parquet FS. If file is there in your Kafka cluster then execute the below command. {:kafka_error_message=>org.apache.kafka.common.KafkaException: Failed to construct kafka consumer, :cause=>java.lang.IllegalArgumentException: Could not find a 'KafkaClient' entry in the JAAS configuration. March 14, 2023: There is now an example of how to use the Debezium MySQL connector plugin with a MySQL-compatible Amazon Aurora database as the source in the MSK documentation.. November 10, 2022: Post updated to include some clarifications on how to better set up Debezium using MSK Connect.. Apache Kafka is an open-source platform for building real-time streaming data pipelines and applications. It is recommended that schema should evolve in backwards compatible way while using Hudi. Please see here for reference. System.setProperty("java.security.auth.login.config","/File_Location/jaas.conf"); If you are testing your local with authentication. 0.9kafkakerberoskafka. session.timeout.ms = 10000 I'm trying to configure Kafka UI to connect to Kafka cluster using SASL/SCRAM but Kafka-UI log still shows following error: java.lang.IllegalArgumentException: Could not find a 'KafkaClient' entry in the JAAS configuration. ssl. He also rips off an arm to use as a sword. can you monetize old youtube videos teen girls amatuer sql query to get last 10 days records in oracle vintage butter dish bailey brooke creampie biodegradable . The JAAS configuration file must be set in conf/bootstrap.conf with something like the following . Please create the corresponding database on your Hive cluster and try again. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Via the client property: sasl.jaas.config. Docker . The most often encountered failures result from YARN/DFS temporary failures. I am using confluentinc/cp-kafka-connect-base:7.0.6, Kafka - Could not find a 'KafkaClient' entry in the JAAS configuration java, developer.ibm.com/code/howtos/kafka-authn-authz, How a top-ranked engineering school reimagined CS curriculum (Ep. Login module control flag is not available in the JAAS config - Scala Kafka. Kafka is secured with sasl, listener is SASL_PLAINTEXT and mechanism is PLAIN. Thanks for contributing an answer to Stack Overflow! ssl_truststore_location => "/etc/logstash/kafka.truststore.pkcs12" oracle-java8-installer/xenial,xenial,now 8u201-1~webupd8~1. System property 'java.security.auth.login.config' is not set. Choose View traces. ssl.keystore.password = null Reference issue #354. 9. To learn more, see our tips on writing great answers. Could you please share sample jaas conf file or link to refer !! '-Both 1.1.1 in CS, Please tell me the priority of the properties mentioned in these four locations in apache spark, Parse and Show the data of a JSON file in Scala | Meaning of .config("spark.some.config.option", "some-value").getOrCreate(). Please check the data type evolution for the concerned field and verify if it indeed can be considered as a valid data type conversion as per Hudi code base. . Please cross verify your incoming record once. I have tried different access right and ownership (root and logstash) for the kafka.sasl.jaas.conf without success. decorate_events => true bootstrap.servers = [someIP:somePort] max.partition.fetch.bytes = 1048576 Why don't we use the 7805 for car phone chargers? Modified 2 months ago. help to resolve this problem? Also Spark UI shows sortByKey twice due to the probe job also being shown, nonetheless its just a single sort. Solution 1: Verify the password. jaas_path => "/etc/logstash/kafka_sasl_jaas.java" Well occasionally send you account related emails. Also if you set it in KAFKA_OPTS, kafka-consumer-groups.sh will pick it up automatically. exclude.internal.topics = true The fix for this is to try and create uber schema using all the schema versions evolved so far for the concerned event and use this uber schema as the target schema. max.poll.interval.ms = 300000 reconnect.backoff.max.ms = 1000 Really glad if someone can help me identify what is going wrong here:-)! Could a subterranean river or aquifer generate enough continuous momentum to power a waterwheel for the purpose of producing electricity? By clicking Sign up for GitHub, you agree to our terms of service and Which ability is most related to insanity: Wisdom, Charisma, Constitution, or Intelligence? Im having issue with configuring logstash to subscribe to a kafka topic over SASL SSL. Note: In case, in youre cluster there is no jaas configuration file then simply restart the Kafka and Zookeeper server. What's the cheapest way to buy out a sibling's share of our parents house if I have no cash and want to pay less than the appraised value? Please find the details and help me to resolve for the same . Could not find a 'KafkaClient' entry in the JAAS configuration. auto.commit.interval.ms = 5000 password="somePassword"; Here is the link -, you can set it in the props that you are using to create, what is the service name here? Caused by: java.lang.IllegalArgumentException: Could not find a 'KafkaClient' entry in the JAAS configuration. This will usually happen when you are trying to add a new column to existing hive table using our HiveSyncTool.java class. System property 'java.security.auth.login.config' is not set at org.apache.kafka.common.security.JaasContext . In CAI, the sasl.jaas.config value is obtained from the specific text box, but in CDI kafka connection there is no specific attribute for sasl.jaas.config. kafka.security.protocol=SASL_PLAINTEXT. This might happen if you are ingesting from Kafka source, your cluster is ssl enabled by default and you are using some version of Hudi older than 0.5.1. codec => someCodec System property 'java.security.auth.login.config' is not set, I did the environment variable setting according the guide available in GitHub, but I am not sure where the problem is. My properties file(keep in mind that brackets indicate "censored" data, I can't put all real data here): This jaas file works in my standard java applications. From what it looks like Kafka fails to read the kafka client configuration specified in the provided jaas_path. rev2023.4.21.43403. What are the possible values of the Hibernate hbm2ddl.auto configuration and what do they do. common. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Extracting arguments from a list of function calls, Embedded hyperlinks in a thesis or research paper. If yes, try to connect to a working kafka instance from your PERF pega server. What are the advantages of running a power tool on 240 V vs 120 V? On the contrary with the Java property, it only works with the path to a file. System property 'java.security.auth.login.config' is not set MapReduce MRS-kafkaIllegalArgumentException: heartbeat.interval.ms = 3000 While trying to execute a pipeline that makes use of a Kafka origin or destination, the pipeline fails. Kafka configure jaas using sasl.jaas.config on kubernetes, Kafka spring integration authorization with sasl, Flink + Kafka + Kerberos: Could not find a 'KafkaClient' entry in the JAAS configuration, Setup client side SASL authentication to connect with two different kafka clusters, What "benchmarks" means in "what are benchmarks for?". So I tried how to add client username/password to that command. serviceName="someName" ssl.endpoint.identification.algorithm = null How to resolve the Could not find a KafkaClient entry in the JAAS configuration in Kafka Cluster with simple steps. Caused by: java.lang.IllegalArgumentException: Could not find a 'KafkaClient' entry in the JAAS configuration. If you want authorization and authentication in your cluster, take a look at this article: @walzer91 - I answered one question on Kafka consumer on kerberised clusters. Let me know how it goes. There are two ways to configure Kafka clients to provide the necessary information for JAAS: Specify the JAAS configuration using the sasl.jaas.config configuration property ( recommended) Pass a static JAAS configuration file into the JVM using the java.security.auth.login.config property at runtime. RF9. Not the answer you're looking for? ROOT CAUSE: The JAAS configuration is missing in conf/bootstrap.conf. nytol side effects restless legs Fiction Writing. The text was updated successfully, but these errors were encountered: Hi, thanks for reaching out. 05:23 PM. Why typically people don't use biases in attention mechanism? If you do find errors, then the record was not actually written by Hudi, but handed back to the application to decide what to do with it. Resolution: Step 1: First, we will check whether jass configuration file is available or not in the Kafka cluster. sasl.mechanism = PLAIN When using sasl.jaas.config, you can only set it to the JAAS configuration entry it doesn't work with the path to a file. It is recommended to evolve schema in backwards compatible ways. Find centralized, trusted content and collaborate around the technologies you use most. Caused by: org.apache.hudi.exception.HoodieKeyException: recordKey value: "null" for field: "name" cannot be null or empty. Why in the Sierpiski Triangle is this set being used as the example for the OSC and not a more "natural"? }; Kafka consumer configuration (from logstash logs): ConsumerConfig values: 1.FlinkKerberosKafkaFlinkHadoopModuleJaasModuleZooKeeperModuleSecurityOptionsHadoopModuleUserGroupInformationkud . I don't know why it had problems with external file. System property 'java.security.auth.login.config . It will helpful for others. Kafka. https://streamsets.com/documentation/datacollector/latest/help/datacollector/UserGuide/Origins/KConsumer.html#concept_w4j_3vb_t5. to } Find centralized, trusted content and collaborate around the technologies you use most. (adsbygoogle = window.adsbygoogle || []).push({}); Find centralized, trusted content and collaborate around the technologies you use most. System property 'java.security.auth.login.config' is not set. kafka Bootstrap broker ip:port (id: -1 rack: null) disconnected Could not find a 'KafkaClient' entry No serviceName defined in either JAAS or Kafka config 1 Bootstrap broker ip:port (id: -1 rack: null) disconnected [Consumer clientId=config-. Solution 1: Verify the password. We'll send you an e-mail with instructions to reset your password. export DEBUG=kafka-node:* For a new consumer how do I start consuming from the latest message in a . Hello! Why are players required to record the moves in World Championship Classical games? ssl.keymanager.algorithm = SunX509 Is there a generic term for these trajectories? How to pass user name and password to KafkaConsumer? @poblin-orange hey, please raise a new issue if you encounter something like this. Asking for help, clarification, or responding to other answers. metart blonde teen free gallery. density matrix, tar command with and without --absolute-names option. Related issue: https://github.com/apache/hudi/issues/2409, If you like Apache Hudi, give it a star on, option("hoodie.memory.merge.fraction", "0.8"), --files jaas.conf,failed_tables.json --conf 'spark.driver.extraJavaOptions=-Djava.security.auth.login.config=jaas.conf' --conf 'spark.executor.extraJavaOptions=-Djava.security.auth.login.config=jaas.conf'. Adding EV Charger (100A) in secondary panel (100A) fed off main (200A), Effect of a "bad grade" in grad school applications. So, this has to be specified as a key=value pair in the Additional Security Configuration Settings in the connection. Thanks for contributing an answer to Stack Overflow! ssl.key.password = null enable.auto.commit = true topics => ["someTopic"] If total energies differ across different software, how do I decide which software to use? This can possibly occur if your schema has some non-nullable field whose value is not present or is null. 10. DebeziumThe driver could not establish a secure connection to SQL Server by using Secure. Has the Melford Hall manuscript poem "Whoso terms love a fire" been attributed to any poetDonne, Roe, or other? Counting and finding real solutions of an equation. Cause 1: The password entered is incorrect. Connect and share knowledge within a single location that is structured and easy to search. KafkaClient { If duplicates span files across partitionpath, then this means your application is generating different partitionPaths for same recordKey, Please fix your app, if duplicates span multiple files within the same partitionpath, please engage with mailing list. Create a JAAS configuration file named kafka_client_jaas.conf. How do you start your client? Please refer here for more information on avro schema resolution - https://avro.apache.org/docs/1.8.2/spec.html. So my assumption is that this was related to the key or value deserializer, org.apache.kafka.common.serialization.StringDeserializer.
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