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Bug 246111

Summary:	NullPointerException at org.openide.nodes.Node.unblockEvents
Product:	platform	Reporter:	ovilladeamigo
Component:	Nodes	Assignee:	Jan Peska <JPESKA>
Status:	RESOLVED FIXED
Severity:	normal	CC:	akobberup, emiddio
Priority:	P3
Version:	8.0
Hardware:	All
OS:	All
Issue Type:	DEFECT	Exception Reporter:	210981
Attachments:	stacktrace

Description ovilladeamigo 2014-07-29 17:20:00 UTC

Build: NetBeans IDE 8.0 (Build 201403101706)
VM: Java HotSpot(TM) Client VM, 24.51-b03, Java(TM) SE Runtime Environment, 1.7.0_51-b13
OS: Linux

User Comments:
ovilladeamigo: error not stop wildfly server




Stacktrace: 
java.lang.NullPointerException
   at org.openide.nodes.Node.unblockEvents(Node.java:1308)
   at org.openide.nodes.NodeLookup.beforeLookup(NodeLookup.java:140)
   at org.openide.util.lookup.AbstractLookup.lookupItem(AbstractLookup.java:427)
   at org.openide.util.lookup.AbstractLookup.lookup(AbstractLookup.java:421)
   at org.openide.nodes.FilterNode$FilterLookup.lookup(FilterNode.java:2136)
   at org.netbeans.spi.java.project.support.ui.TreeRootNode$PackageFilterChildren.copyNode(TreeRootNode.java:395)

Comment 1 ovilladeamigo 2014-07-29 17:20:02 UTC

Created attachment 148389 [details]
stacktrace

Comment 2 Ondrej Vrabec 2015-03-04 09:05:41 UTC

Fix: core-main #80ed64fca192
Changeset: 80ed64fca192
Message:   node.findDelegatingLookup may apparently return null, using the same check
as in other places before casting and calling the instance method should help.

Comment 3 Ondrej Vrabec 2015-03-04 15:45:47 UTC

*** Bug 248354 has been marked as a duplicate of this bug. ***

Comment 4 Quality Engineering 2015-03-05 04:08:28 UTC

Integrated into 'main-silver', will be available in build *201503050001* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress)

Changeset: http://hg.netbeans.org/main-silver/rev/80ed64fca192
User: Ondrej Vrabec <ovrabec@netbeans.org>
Log: node.findDelegatingLookup may apparently return null, using the same check
as in other places before casting and calling the instance method should help.
Task #246111 - NullPointerException at org.openide.nodes.Node.unblockEvents

Comment 5 Ondrej Vrabec 2015-09-11 19:31:11 UTC

*** Bug 255235 has been marked as a duplicate of this bug. ***