This bug was originally marked as duplicate of bug 196044, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related.
Build: NetBeans IDE Dev (Build 201103220400)
VM: Java HotSpot(TM) 64-Bit Server VM, 19.1-b02, Java(TM) SE Runtime Environment, 1.6.0_24-b07
pekarna: I opened a maven project this probably happened while scanning.
Created attachment 107329 [details]
Yet another one. Unfortunately I do not know how to find them, since I cannot reproduce locally. May depend on some particular aspect of the edited Maven projects, or settings.xml.
*** Bug 197154 has been marked as a duplicate of this bug. ***
Integrated into 'main-golden', will be available in build *201103290400* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress)
User: Jesse Glick <firstname.lastname@example.org>
Log: #197146: NullPointerException at org.sonatype.aether.impl.internal.DefaultMetadataResolver.resolve
*** Bug 197238 has been marked as a duplicate of this bug. ***
Bug #197210 has a more general fix.