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https://issues.apache.org/jira/browse/NETBEANS-6349?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17468801#comment-17468801
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Neil C Smith edited comment on NETBEANS-6349 at 1/4/22, 7:29 PM:
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Are you sure this affects 12.5? We switched the convenience binary builds to
JDK 11 for 12.6 in preparation for NB13. That seems the likely cause. JDK 9+
(well 11+ really) has been strongly recommended for the IDE for some time now.
If you _really_ need to run the IDE on JDK 8, then building the source release
on JDK 8 should work around this.
was (Author: neilcsmith):
Are you sure this affects 12.5? We switched the convenience binary builds to
JDK 11 for 12.6 in preparation for NB13. That seems the likely cause. JDK 9+
(well 11+ really) has been strongly recommended for the IDE for some time now.
If you _really_ need to run the IDE on JDK 8, then a building the source
release on JDK 8 should work around this.
> Recent builds of the module responsible for java source parsing break BC to
> JDK 8
> ---------------------------------------------------------------------------------
>
> Key: NETBEANS-6349
> URL: https://issues.apache.org/jira/browse/NETBEANS-6349
> Project: NetBeans
> Issue Type: Bug
> Components: editor - Parsing & Indexing
> Affects Versions: 12.5, 12.6
> Reporter: Thomas Schapitz
> Priority: Critical
>
> There are 6 linked Issues, that all follow a common pattern, pointing to a
> common cause:
> * They are accompanied by an java.lang.NoSuchMethodError:
> java.nio.CharBuffer.flip()Ljava/nio/CharBuffer;
> * The users indicate, they are running NB 12.5+ with JDK8
> * The errors occur during parsing.
> Sure enough, JDK 8 hasn't
> java.nio.CharBuffer.flip()Ljava/nio/{*}+CharBuffer+{*},
> it has only java.nio.CharBuffer.flip()Ljava/nio/{+}*Buffer,*{+} which it
> inherits from Buffer.
> Which means: the Module in question has obviously been compiled against a
> library more recent then JDK8, at least JDK9, which has this method.
>
> Consequences:
> This and the 6 linked issues will automatically be fixed with the rollout of
> NB 13, which will require JDK 11 as prerequisite anyway.
> In the mean time, users may work around the problem, by immediately switching
> to JDK 9+ when executing Netbeans. Note that they should still be able to
> develop and build for JDKs 8 an prior.
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