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https://issues.apache.org/jira/browse/CASSANDRA-12883?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15962062#comment-15962062
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Robert Stupp commented on CASSANDRA-12883:
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No, it means, that only javascript and java UDFs are supported.
> Remove support for non-JavaScript UDFs
> --------------------------------------
>
> Key: CASSANDRA-12883
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12883
> Project: Cassandra
> Issue Type: Improvement
> Components: CQL
> Reporter: Robert Stupp
> Assignee: Robert Stupp
> Priority: Minor
> Fix For: 2.2.9, 3.0.11, 3.10
>
>
> As recently reported in the user mailing list, JSR-223 languages other than
> JavaScript no longer work since version 3.0.
> The reason is that the sandbox implemented in CASSANDRA-9402 restricts the
> use of "evil" packages, classes and functions. Unfortunately, even "non-evil"
> packages from JSR-223 providers are blocked.
> In order to get a JSR-223 provider working fine, we need to allow JSR-223
> provider specific packages and also allow specific runtime permissions.
> The fact that "arbitrary" JSR-223 providers no longer work since 3.0 has just
> been reported recently, means that this functionality (i.e. non-JavaSCript
> JSR-223 UDFs) is obviously not used.
> Therefore I propose to remove support for UDFs that do not use Java or
> JavaScript in 4.0. This will also allow to specialize scripted UDFs on
> Nashorn and allow to use its security features, although these are limited,
> more extensively. (Clarification: this ticket is just about to remove that
> support)
> Also want to point out that we never "officially" supported UDFs that are not
> Java or JavaScript.
> Sample error message:
> {code}
> Traceback (most recent call last):
> File "/usr/bin/cqlsh.py", line 1264, in perform_simple_statement
> result = future.result()
> File
> "/usr/share/cassandra/lib/cassandra-driver-internal-only-3.5.0.post0-d8d0456.zip/cassandra-driver-3.5.0.post0-d8d0456/cassandra/cluster.py",
> line 3650, in result
> raise self._final_exception
> FunctionFailure: Error from server: code=1400 [User Defined Function failure]
> message="execution of 'e.test123[bigint]' failed:
> java.security.AccessControlException: access denied:
> ("java.lang.RuntimePermission"
> "accessClassInPackage.org.python.jline.console")
> {code}
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