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• A deployed CAS-Workflow instance. See Workflow Basic User Guide for instructions on how to set this component up
• A deployed CAS-Filemanager instance. See File Manager Basic User Guide for instructions on how to set this component up. Also see OODT Filemgr User Guide
• A deployed CAS-Crawler. See Crawler User Guide for instructions on how to set this component up. Also see OODT Crawler Help
• Maven 2
• Environment variables

  • OODT_HOME=/path/to/oodt

  • PGE_ROOT=/path/to/oodt/pge

  • FILEMGR_HOME=/path/to/oodt/filemgr

  • WORKFLOW_HOME=/path/to/oodt/workflow
    

  • RESMGR_HOME=/path/to/oodt/resmgr

  • CRAWLER_HOME=/path/to/oodt/crawler

  • FILEMGR_URL=http://localhost:9000

  • WORKFLOW_URL=http://localhost:9001

    • note, sometimes, the workflow manager is listening on the port 9200 by default, ensure the port before setting the env variable.

  • RESMGR_URL=http://localhost:9002

    • note, sometimes the resmgr is listening on the port 9300 by default, check the port before setting the variable.
      
      
• The directory in which the PGE scripts and configuration files will reside.
• Ensure both $WORKFLOW_HOME/lib and  $RESMGR_HOME/lib folders contain at least the following:
  • cas-crawler-<VERSION>.jar
  • cas-filemgr-<VERSION>.jar
  • cas-pge-<VERSION>.jar
    • Note, the version is cas-pge-03.jar, at the time when writing/editing the document (OODT 0.6). and one way of getting the version of pge jar is to get it from the following link, http://mvnrepository.com/artifact/org.apache.oodt/cas-pge/0.3; Alternatively, as shall be seen shortly in the section "4. Build and deploy FileConcatenatorPGE", we will need to build sample project fileconcatenator-pge with mvn which will automatically download the cas-pge-03.jar into your system, remember the location where cas-pge-03.jar gets downloaded, and copy it to the $WORKFLOW_HOME/lib,  $RESMGR_HOME/lib, and $FILEMGR_HOME/lib

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