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https://issues.apache.org/jira/browse/NETBEANS-3276?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16961065#comment-16961065
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Laszlo Kishalmi commented on NETBEANS-3276:
-------------------------------------------
It would be good to know how to reproduce this issue.
Checking the source code I see where could be the NPE happen, though it shall
be some corner case. Unfortunately it would be not enough to check for null, as
if we got null there all which could be done is an assertion. The better would
be prevent this corner case.
Just for the record: For some strange reason the Maven implementation uses the
folder to put these preferences on.
> NPE in WebProjectBrowserProvider.
> ---------------------------------
>
> Key: NETBEANS-3276
> URL: https://issues.apache.org/jira/browse/NETBEANS-3276
> Project: NetBeans
> Issue Type: Bug
> Affects Versions: 11.1
> Reporter: Shevek
> Assignee: Laszlo Kishalmi
> Priority: Major
>
> java.lang.NullPointerException
> at
> org.netbeans.modules.gradle.javaee.web.WebProjectBrowserProvider.getPreferences(WebProjectBrowserProvider.java:119)
> at
> org.netbeans.modules.gradle.javaee.web.WebProjectBrowserProvider.removePropertyChangeListener(WebProjectBrowserProvider.java:106)
> at
> org.netbeans.modules.web.clientproject.browser.ActiveBrowserAction.activeProjectChanged(ActiveBrowserAction.java:320)
> at
> org.netbeans.modules.web.clientproject.browser.ActiveBrowserAction.refreshView(ActiveBrowserAction.java:305)
> at
> org.netbeans.modules.web.clientproject.browser.ActiveBrowserAction.access$700(ActiveBrowserAction.java:86)
> at
> org.netbeans.modules.web.clientproject.browser.ActiveBrowserAction$8.run(ActiveBrowserAction.java:295)
> at
> org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1418)
> at
> org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:45)
> at org.openide.util.lookup.Lookups.executeWith(Lookups.java:278)
> [catch] at
> org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)
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