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https://issues.apache.org/jira/browse/FLINK-31726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xingbo Huang closed FLINK-31726.
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Resolution: Not A Problem
Flink doesn't support JDK 19, you can try to use jdk 8 or jdk 11.
> PyFlink module java.base does not "opens java.lang" to unnamed module
> ---------------------------------------------------------------------
>
> Key: FLINK-31726
> URL: https://issues.apache.org/jira/browse/FLINK-31726
> Project: Flink
> Issue Type: Bug
> Reporter: padavan
> Priority: Major
>
> I want to run simple example from Flink documentation. And after start i got
> exception:
> {code:java}
> Unable to make field private final byte[] java.lang.String.value accessible:
> module java.base does not "opens java.lang" to unnamed module @228575c0{code}
> Installed:
> {code:java}
> Python 3.10.6
> openjdk version "19.0.2" 2023-01-17
> OpenJDK Runtime Environment (build 19.0.2+7-Ubuntu-0ubuntu322.04)
> OpenJDK 64-Bit Server VM (build 19.0.2+7-Ubuntu-0ubuntu322.04, mixed mode,
> sharing){code}
> Simple code from flink site:
> [https://nightlies.apache.org/flink/flink-docs-master/api/python/examples/datastream/word_count.html]
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