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Posted to commits@netbeans.apache.org by "Peter Hull (Jira)" <ji...@apache.org> on 2021/04/01 08:36:00 UTC
[jira] [Comment Edited] (NETBEANS-4569) Format Java code throws
NullPointerException
[ https://issues.apache.org/jira/browse/NETBEANS-4569?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17312994#comment-17312994 ]
Peter Hull edited comment on NETBEANS-4569 at 4/1/21, 8:35 AM:
---------------------------------------------------------------
I have also encountered this with following source code (tried to get this as small as possible)
{{public class NewClass {}}
{{ public void t () {}}
{{ switch(0)}}{{{ default: break;}}}{{}}}
{{ }}}
I have attached my messages.log. Note https://issues.apache.org/jira/browse/NETBEANS-4570 was a duplicate of this but was closed (IMO prematurely). The suggested workround in that issue, clearing the cache, did not work for me.
Product Version: Apache NetBeans IDE 12.3
Java: 11.0.9.1; OpenJDK 64-Bit Server VM 11.0.9.1+1
Runtime: OpenJDK Runtime Environment 11.0.9.1+1
System: Windows 10 version 10.0 running on amd64; Cp1252; en_GB (nb)
User directory: C:\Users\peter\AppData\Roaming\NetBeans\12.3
Cache directory: C:\Users\peter\AppData\Local\NetBeans\Cache\12.3
[^messages.log]
was (Author: peterhull90):
I have also encountered this with following source code (tried to get this as small as possible)
{{
public class NewClass {
public void t () {
switch(0) { default: break;}
}
}}}
I have attached my messages.log. Note https://issues.apache.org/jira/browse/NETBEANS-4570 was a duplicate of this but was closed (IMO prematurely). The suggested workround in that issue, clearing the cache, did not work for me.
Product Version: Apache NetBeans IDE 12.3
Java: 11.0.9.1; OpenJDK 64-Bit Server VM 11.0.9.1+1
Runtime: OpenJDK Runtime Environment 11.0.9.1+1
System: Windows 10 version 10.0 running on amd64; Cp1252; en_GB (nb)
User directory: C:\Users\peter\AppData\Roaming\NetBeans\12.3
Cache directory: C:\Users\peter\AppData\Local\NetBeans\Cache\12.3
[^messages.log]
> Format Java code throws NullPointerException
> --------------------------------------------
>
> Key: NETBEANS-4569
> URL: https://issues.apache.org/jira/browse/NETBEANS-4569
> Project: NetBeans
> Issue Type: Bug
> Affects Versions: 12.0
> Reporter: Boris Heithecker
> Priority: Major
> Attachments: messages.log
>
>
> Action Format code (Alt+Shift-F) sometimes fails due to a NullPointerException thrown.
> Affects Java code.
> I could not determine the exact pattern to reproduce this, but it definitely depends on pieces of the source code. Commenting out parts of the affected class sometimes helps.
> I've been working with the same sources in 11.3 and didn't notice anything like it.
> Stack trace:
> java.lang.NullPointerExceptionjava.lang.NullPointerException at org.netbeans.modules.java.source.save.Reformatter$Pretty.scan(Reformatter.java:586) at org.netbeans.modules.java.source.save.Reformatter$Pretty.visitCase(Reformatter.java:2919) at org.netbeans.modules.java.source.save.Reformatter$Pretty.visitCase(Reformatter.java:396) at jdk.compiler/com.sun.tools.javac.tree.JCTree$JCCase.accept(JCTree.java:1258) at jdk.compiler/com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:82) at org.netbeans.modules.java.source.save.Reformatter$Pretty.scan(Reformatter.java:600) at org.netbeans.modules.java.source.save.Reformatter$Pretty.handleSwitch(Reformatter.java:2870)
>
> Maybe it can be fixed easily by checking for null.
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