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https://issues.apache.org/jira/browse/FLINK-8451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16380157#comment-16380157
]
ASF GitHub Bot commented on FLINK-8451:
---------------------------------------
Github user aljoscha commented on a diff in the pull request:
https://github.com/apache/flink/pull/5567#discussion_r171214451
--- Diff:
flink-core/src/main/java/org/apache/flink/util/InstantiationUtil.java ---
@@ -113,18 +113,61 @@ public ClassLoaderObjectInputStream(InputStream in,
ClassLoader classLoader) thr
*
* <p>This can be removed once 1.2 is no longer supported.
*/
- private static Set<String> scalaSerializerClassnames = new HashSet<>();
+ private final static Set<String> scalaSerializerClassnames = new
HashSet<>();
static {
scalaSerializerClassnames.add("org.apache.flink.api.scala.typeutils.TraversableSerializer");
scalaSerializerClassnames.add("org.apache.flink.api.scala.typeutils.CaseClassSerializer");
scalaSerializerClassnames.add("org.apache.flink.api.scala.typeutils.EitherSerializer");
scalaSerializerClassnames.add("org.apache.flink.api.scala.typeutils.EnumValueSerializer");
scalaSerializerClassnames.add("org.apache.flink.api.scala.typeutils.OptionSerializer");
scalaSerializerClassnames.add("org.apache.flink.api.scala.typeutils.TrySerializer");
-
scalaSerializerClassnames.add("org.apache.flink.api.scala.typeutils.EitherSerializer");
--- End diff --
nvm, @twalthr pointed out that it was in there twice
> CaseClassSerializer is not backwards compatible in 1.4
> ------------------------------------------------------
>
> Key: FLINK-8451
> URL: https://issues.apache.org/jira/browse/FLINK-8451
> Project: Flink
> Issue Type: Bug
> Components: Type Serialization System
> Affects Versions: 1.4.0, 1.5.0
> Reporter: Timo Walther
> Assignee: Timo Walther
> Priority: Blocker
> Fix For: 1.5.0, 1.4.3
>
>
> There seems to be problems with the updated Scala version and the
> CaseClassSerializer that make it impossible to restore from a Flink 1.3
> savepoint.
> http://mail-archives.apache.org/mod_mbox/flink-user/201801.mbox/%3CCACk7FThV5itjSj_1fG9oaWS86z8WTKWs7abHvok6FnHzq9XT-A%40mail.gmail.com%3E
> http://mail-archives.apache.org/mod_mbox/flink-user/201801.mbox/%3C7CABB00B-D52F-4878-B04F-201415CEB658%40mediamath.com%3E
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