Chapter 12. Red Hat Decision Manager decision engine with Fuse on Apache Karaf

Procedure

1. Enter the following commands to determine whether your installation contains obsolete Red Hat Decision Manager features XML files:

   $ JBossFuse:karaf@root> feature:repo-list
   $ JBossFuse:karaf@root> feature:list

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2. Enter the following command, where <FUSE_HOME> is the Fuse installation directory, to start the Red Hat Fuse console:

   $ ./<FUSE_HOME>/bin/fuse

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3. Enter the following command, where <FEATURE_NAME> is the name of the feature that you want to uninstall, to uninstall features or applications that use obsolete features XML files:

   JBossFuse:karaf@root> features:uninstall <FEATURE_NAME>

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   The following example shows how to remove features:

   JBossFuse:karaf@root> features:uninstall drools-module
   JBossFuse:karaf@root> features:uninstall jbpm
   JBossFuse:karaf@root> features:uninstall kie-ci

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4. Search Karaf home for references to bundles that use drools, kie, or jbpm. The following example shows how to use grep to search for these components:

   karaf@root> list -t 0 -s | grep drools
   karaf@root> list -t 0 -s | grep kie
   karaf@root> list -t 0 -s | grep jbpm

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   The example shows the output from these commands:

   250 │ Active   │  80 │ 7.19.0.201902201522          │ org.drools.canonical-model
   251 │ Active   │  80 │ 7.19.0.201902201522          │ org.drools.cdi
   252 │ Active   │  80 │ 7.19.0.201902201522          │ org.drools.compiler

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5. Enter the following command, where BUNDLE_ID is a bundle ID returned in the search, to remove the bundles found in the previous step:

   karaf@root> osgi:uninstall BUNDLE_ID

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6. Enter the following command to remove the obsolete drools-karaf-features URL:

   karaf@root> features:removeurl
    mvn:org.kie/kie-karaf-features/VERSION.Final-redhat-VERSION/xml/features

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7. Restart Fuse.

Procedure

1. To configure the Maven repository, open the FUSE_HOME/etc/org.ops4j.pax.url.mvn.cfg file in a text editor.

2. Make sure that the https://maven.repository.redhat.com/ga/ repository is present in the org.ops4j.pax.url.mvn.repositories variable and add it if necessary.

   Note

   Separate entries in the org.ops4j.pax.url.mvn.repositories variable with a comma, space, and backslash (, \). The backslash forces a new line.

3. To start Fuse, enter the following command, where FUSE_HOME is the Fuse installation directory:

   $ ./FUSE_HOME/bin/fuse

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4. To add a reference to the features file that contains installation prerequisites, enter the following command, where <FUSE_VERSION is the version of Fuse that you are installing:

   $ feature:repo-add mvn:org.jboss.fuse.features/rhba-features/<FUSE-VERSION>/xml/features

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5. Enter the following command to add a reference to the Red Hat Decision Manager features XML file:

   $ JBossFuse:karaf@root> features:addurl mvn:org.kie/kie-karaf-features/VERSION/xml/features-fuse

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   To see the current drools-karaf-features version, see the Red Hat Decision Manager 7 Supported Configurations page.

6. Enter the following command to install a feature provided by Red Hat Decision Manager features XML file. In this command, <FEATURE_NAME> is one of the features listed in Section 12.4, “Red Hat Decision Manager Karaf features”.

   JBossFuse:karaf@root> features:install <FEATURE_NAME>

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7. Enter the following command to verify the installation:

   $ JBossFuse:karaf@root>feature:list

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   Successfully installed features have the status started.