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https://issues.apache.org/jira/browse/METRON-744?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15888875#comment-15888875
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ASF GitHub Bot commented on METRON-744:
---------------------------------------
Github user cestella commented on a diff in the pull request:
https://github.com/apache/incubator-metron/pull/468#discussion_r103552339
--- Diff:
metron-platform/metron-common/src/main/java/org/apache/metron/common/dsl/functions/resolver/ClasspathFunctionResolver.java
---
@@ -19,22 +19,29 @@
package org.apache.metron.common.dsl.functions.resolver;
import org.apache.commons.lang.StringUtils;
+import org.apache.commons.vfs2.FileObject;
+import org.apache.commons.vfs2.FileSystemException;
+import org.apache.commons.vfs2.impl.VFSClassLoader;
import org.apache.metron.common.dsl.Context;
+import org.apache.metron.common.dsl.Stellar;
import org.apache.metron.common.dsl.StellarFunction;
+import org.apache.metron.common.utils.ClassloaderUtil;
+import org.apache.metron.common.utils.ConversionUtils;
+import org.atteo.classindex.ClassIndex;
import org.reflections.Reflections;
--- End diff --
We are using the Reflections filters, but I guess I could remove them
> Allow Stellar functions to be loaded from HDFS
> ----------------------------------------------
>
> Key: METRON-744
> URL: https://issues.apache.org/jira/browse/METRON-744
> Project: Metron
> Issue Type: New Feature
> Reporter: Casey Stella
>
> The benefit of Stellar is that adding new functionality is as simple as
> providing a Jar. This enables people who want to integrate with Metron to
> easy add enrichments or other functionality. The snag currently with this is
> that we provide a single jar, so all stellar functions that we have available
> must be dependencies of the main jar that drives the topology plus what local
> directories we can configure via the storm configs. This makes the process
> of adding 3rd party jars not as easy as it could be.
> Adjust the the following to additionally load classes from a location in HDFS
> /apps/metron/stellar using something like accumulo (
> https://accumulo.apache.org/blog/2014/05/03/accumulo-classloader.html)
> * Profiler topology
> * Parser topology
> * Enrichment topology
> * Enrichment Flat file loader
> * Enrichment MR loader
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