flink.demo | flink读取kafka并处理的demo程序 | Runtime Evironment library

by lemonhall Java Version: Current License: No License

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kandi X-RAY | flink.demo Summary

flink.demo is a Java library typically used in Server, Runtime Evironment, Nginx applications. flink.demo has no bugs, it has no vulnerabilities, it has build file available and it has low support. You can download it from GitHub.

3、解压 tar zxvf flink-1.0.0-bin-hadoop27-scala_2.11.tgz. 4、运行本地版本 lemonhall@halldemacbook-pro:~/downloads/flink-1.0.0$ bin/start-local.sh starting jobmanager daemon on host halldemacbook-pro.local. lemonhall@halldemacbook-pro:~/downloads/flink-1.0.0$. 6、nc打开一个输入 first of all, we use netcat to start local server via. $ nc -l 9000. 7、启动一个job bin/flink run examples/streaming/sockettextstreamwordcount.jar \ --hostname localhost \ --port 9000. 9、看日志输出 tail -f log/flink--jobmanager-.out. 1、生成一个空工程: 注意，官方教程上写得archetypeversion=1.0.0，有问题：去官方的：一看，你会发现，只有1.0.0的，没有所谓的-darchetypeversion=1.1-snapshot 估计还得改mvn的setting才能让那个架构的通过，所以暂时还是用稳定版的1.0.0的吧；. mvn archetype:generate \ -darchetypegroupid=org.apache.flink \ -darchetypeartifactid=flink-quickstart-java \ -darchetypeversion=1.0.0. define value for property 'groupid': : com.lsl.lemonhall define value for property 'artifactid': : flink.demo define value for property 'version': 1.0-snapshot: : define value for property 'package': com.lsl.lemonhall: : confirm properties configuration: groupid: com.lsl.lemonhall artifactid: flink.demo version: 1.0-snapshot package: com.lsl.lemonhall y: : [info] ---------------------------------------------------------------------------- [info] using following parameters for creating project from archetype: flink-quickstart-java:1.0.0 [info] ---------------------------------------------------------------------------- [info] parameter: groupid, value: com.lsl.lemonhall [info] parameter: artifactid, value: flink.demo [info] parameter: version, value: 1.0-snapshot [info] parameter: package, value: com.lsl.lemonhall [info] parameter: packageinpathformat, value: com/lsl/lemonhall [info] parameter: package, value: com.lsl.lemonhall [info] parameter: version, value: 1.0-snapshot [info] parameter: groupid, value: com.lsl.lemonhall [info] parameter: artifactid, value: flink.demo [warning] cp don’t override file /users/lemonhall/downloads/flink.demo/src/main/resources [info] project created from archetype in dir: /users/lemonhall/downloads/flink.demo [info] ------------------------------------------------------------------------. 3、导入kafka的支持官方文档：仓库地址：实际地址：加入到pom org.apache.flink flink-connector-kafka-0.8_2.10 1.0.0 . 5、解压kafka tar zxvf kafka_2.10-0.8.2.1.tgz. 6.1 启动一个zk bin/zookeeper-server-start.sh config/zookeeper.properties. 6.2 启动server bin/kafka-server-start.sh config/server.properties. 6.3 创建一个topic

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Support

flink.demo has a low active ecosystem.

It has 7 star(s) with 3 fork(s). There are 1 watchers for this library.

It had no major release in the last 6 months.

flink.demo has no issues reported. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of flink.demo is current.

Quality

flink.demo has 0 bugs and 0 code smells.

Security

flink.demo has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

flink.demo code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

flink.demo does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

flink.demo releases are not available. You will need to build from source code and install.

Build file is available. You can build the component from source.

Installation instructions are not available. Examples and code snippets are available.

flink.demo saves you 131 person hours of effort in developing the same functionality from scratch.

It has 330 lines of code, 7 functions and 5 files.

It has low code complexity. Code complexity directly impacts maintainability of the code.

Top functions reviewed by kandi - BETA

kandi has reviewed flink.demo and discovered the below as its top functions. This is intended to give you an instant insight into flink.demo implemented functionality, and help decide if they suit your requirements.

Example of reading from socket text stream
Runs the example
Run the example program
Launch the Flink application

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flink.demo Key Features

No Key Features are available at this moment for flink.demo.

flink.demo Examples and Code Snippets

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Community Discussions

Trending Discussions on flink.demo

Flink 1.4 Column 'rowtime' not found in any table

QUESTION

Flink 1.4 Column 'rowtime' not found in any table

Asked 2017-Dec-22 at 21:56

I am following the documentation to configure a TableSource with a rowtime attribute.

I register the timestamp field as follows

...

ANSWER

Answered 2017-Dec-22 at 21:52

The field in your table kafka is called timestamp and not rowtime. So you should use call the attribute by its name timestamp instead of rowtime.

Note that TIMESTAMP is a keyword in SQL, so you should either rename the timestamp attribute or escape the attribute name with backticks (`):

Source https://stackoverflow.com/questions/47947030

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install flink.demo

You can download it from GitHub.
You can use flink.demo like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the flink.demo component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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