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https://issues.apache.org/jira/browse/CASSANDRA-18190?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17718213#comment-17718213
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Ekaterina Dimitrova edited comment on CASSANDRA-18190 at 5/2/23 10:13 AM:
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We were considering to compare and possibly substitute with Google ErrorProne.
According to the ErrorProne instruction
[here|https://errorprone.info/docs/installation], we would need these artifacts:
* {{error_prone_core-${EP_VERSION?}-with-dependencies.jar}}
from[https://repo1.maven.org/maven2/com/google/errorprone/error_prone_core/]
* {{dataflow-errorprone-${DATAFLOW_VERSION}.jar}}
from[https://repo1.maven.org/maven2/org/checkerframework/dataflow-errorprone/]
Unfortunately dataflow-errorprovne is GPL2 license so I think in this case we
are not allowed to use ErrorProne if I am reading correctly
[here|https://www.apache.org/licenses/GPL-compatibility.html]
According to the ECJ issues I was seeing, except asking about our setup, I did
not receive an advice at the eclipse forum. Though after experimenting and
reading more I think the syntax errors are probably only because of not
properly set properties. I will try to deal with that
was (Author: e.dimitrova):
We were considering to compare and possibly substitute with Google ErrorProne.
According to the ErrorProne instruction
[here|https://errorprone.info/docs/installation], we would need these artifacts:
* {{error_prone_core-${EP_VERSION?}-with-dependencies.jar}}
from[https://repo1.maven.org/maven2/com/google/errorprone/error_prone_core/]
* {{dataflow-errorprone-${DATAFLOW_VERSION}.jar}}
from[https://repo1.maven.org/maven2/org/checkerframework/dataflow-errorprone/]
Unfortunately dataflow-errorprovne is GPL2 license so I think in this case we
are not allowed to use ErrorProne if I am reading correctly
[here|https://www.apache.org/licenses/GPL-compatibility.html]
According to the ECJ issues I was seeing, except asking about our setup, I did
not receive an advice. Though after experimenting and reading more I think the
syntax errors are probably only because of not properly set properties. I will
try to deal with that
> ECJ upgrade
> -----------
>
> Key: CASSANDRA-18190
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18190
> Project: Cassandra
> Issue Type: Task
> Components: Feature/UDF
> Reporter: Ekaterina Dimitrova
> Assignee: Ekaterina Dimitrova
> Priority: Normal
> Fix For: 5.x
>
>
> During testing it was identified that we will need to update ECJ for the Java
> UDF functions in order to bring Java 17 in.
> It seems the compiler artifacts are moved from
> [here|https://mvnrepository.com/artifact/org.eclipse.jdt.core.compiler/ecj ]
> to [here|https://mvnrepository.com/artifact/org.eclipse.jdt/ecj] and there is
> change of license from EPL1.0 to EPL2.0 too. But if I read correctly
> [here|https://www.apache.org/legal/resolved.html#weak-copyleft-licenses] that
> should not affect us
> Further testing and review of all changes between artifacts to be done.
> ECJ is used for the eclipse-warnings and Java UDFs
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