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Recent content by junwen chen

  1. J

    hi, when i did 4.30 project, i had a problem. when the flume.conf ran, there is a error code to...

    hi, when i did 4.30 project, i had a problem. when the flume.conf ran, there is a error code to say unable to load "org.apache.flume.source.kafka.kafkasource".so there is no result written to the directory which i was set up. I created the ticket several times, however, the assistant did not...
  2. J

    hello, I am sorry to bother you. when i ran 4.30 project, flume.conf, the screen showed the...

    hello, I am sorry to bother you. when i ran 4.30 project, flume.conf, the screen showed the error code to say unable to load org.apche. flume.source.kafka.kafkasource, i created the ticket several times, but the assistant can not solve the problem. Can you please take a look why there is the...
  3. J

    hi, i have a question which i created ticket several times still can not be solved. I would like...

    hi, i have a question which i created ticket several times still can not be solved. I would like to ask you. In kafka, flume.conf was set up, and run, producer ran to read the message, however the message can not be written into HDFS. and there is error code showing when running flume.conf, it...
  4. J

    question of project in big data Hadoop

    in 4.30, i created flume.conf, created topic, producer following the steps. However, there was no data written into HDFS. After i ran flume.conf, there gave me error code. i attached it and hope someone can help me to figure out. thanks.
  5. J

    Simple question, how do I raise a Ticket?

    you are welcome, for me it is good. Maybe you need help to reset up cookies on the computer. one month ago, i had the similar issue, and reset up computer cookies, then that was fine.
  6. J

    Simple question, how do I raise a Ticket?

    Hi, you choose any one of FAQ, it does not matter if the topic relates to your learning, scroll down the end of the page,then you can see"create support request" button.
  7. J

    huge problem of project in big data Hadoop

    Is there anyone will tell me what is wrong with project 4.30? i followed the each step, created topic, created flume.conf, ran kafka-producer. However, there is no result created under the folder which i set up. I created the ticket more than 6 times, and explain what was going on in there every...
  8. J

    project issue

    thank you. what confused me is what is 25% of what? the vote score is from 0-5..
  9. J

    project issue

    Hi, in the project 2 of big data hadoop and spark developer, can someone give me some hints to understand what is the trends of 25%,50%, 75%? i am confused and do not know what the percentage means. thank you for your help
  10. J

    question of project in big data Hadoop

    i am doing project 2 in Big Data Hadoop and Spark Developer. Can someone give me some hints, in the question,what does trend 25%,50%,75% mean? i am confused by this question. thank you for your help
  11. J

    update issue

    in the version hive, i can not use update function when i learn the courses. Is there any way to solve the problem? thank you
  12. J

    project on 4.30

    thank you very much to respond my question. I think there is localserver ip adrress issue. because according to the lecture, i just put localserver in the *.conf, and it can not connect with zookeeper and HDFS. I am almost there. thank you.
  13. J

    sqoop import --connect jdbc:mysql://ip-10-0-1-10.e...

    i think berfore --connect ,there should be a space, same as before username. you can try again with sapce.
  14. J

    project on 4.30

    Hi, i tried to finish project 4.30. However, i can not. when i tried to create the new topic, the system showed"unable to connect cdhserver:2181" The commend is: kafka-topics --create --zookeeper cdhserver:2181 --replication-factor 1 --partitions 1 --topic target thank you for help...
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