nutch-plugins | Apache Nutch extensions
kandi X-RAY | nutch-plugins Summary
kandi X-RAY | nutch-plugins Summary
Apache Nutch extensions
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Top functions reviewed by kandi - BETA
- Filter HTML
- Method to process a page to process
- Checks if the given string is part of the given string
- Extracts the text content of the supplied node
- Performs the actual filtering
- Returns the given value if it is null or the given default value
- Gets the filteringType attribute
- Gets the value of the omitIndexingFilterConfigurationEntryList property
- Copy data to CSV file
- Initialize the writer
- Type attribute
- Gets the value of the fieldList property
- Filter the data flow
- Initialize the data flows
- Gets the entry list
- Gets the data flow control
- Filters documents that match the url
- Gets the URL filter regex
- Checks if a url matches a regular expression
- Gets the value of the xpathIndexerProperties property
- Sets the configuration
- Get an instance of the XPath filter configuration
- Initialize the configuration
- Initialize the XML parser
- Cleanup resources
nutch-plugins Key Features
nutch-plugins Examples and Code Snippets
Community Discussions
Trending Discussions on nutch-plugins
QUESTION
I'm trying to run jar with Apache Nutch dependency on AWS EMR Hadoop cluster. The problem is that Nutch can't find plugin classes (I'm specifying plugins location with -Dplugin.folders
).
I tested this option locally and it's working fine: java -cp app.jar -Dplugin.folders=./nutch-plugins
.
I'm getting this error:
...ANSWER
Answered 2019-Jul-24 at 19:14In distributed mode (in a Hadoop cluster) the plugins are contained in the job file (runtime/deploy/apache-nutch-1.x.job
):
- start with the source package or the Nutch source code cloned from git
- adapt the configuration in
conf/
- note: also configuration files are shipped in the job file - build Nutch (
ant runtime
) - run
runtime/deploy/bin/nutch
orruntime/deploy/bin/crawl
:hadoop jar
is called to launch the Nutch jobs, so the executablehadoop
must be on PATH.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install nutch-plugins
You can use nutch-plugins 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 nutch-plugins 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 .
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