This bug was originally marked as duplicate of bug 208369, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related.

Build: NetBeans IDE 7.2 (Build 201207171143)
VM: Java HotSpot(TM) 64-Bit Server VM, 23.0-b21, Java(TM) SE Runtime Environment, 1.7.0_04-b20
OS: Windows 7

User Comments:
GUEST: Starting DEV build of IDE for the first time (new install).
Setting where imported from NetBeans 7.1.1
Crashed while loading a multi module maven project.

jeyoung: First launch

GUEST: nothing

aldobrucale: Starting netbeans

thilina01: Import plugins

sunbiz: Activating modules at the start... soon after installation threw this exception

GUEST: Installing JUnit plugin possibly.

furas: Installing WebPreview Module.

Netbeans founds modules installed in previous version (7.1.1)  and I choose to install one of module - WebPreview Module.
Problem was reported during installation but installation ends with "installation completed successfully".

aldobrucale: Starting netbeans for first time (importing settings from nb 7.1.1)

phild: Adding plug in.

GUEST: writing a report for the slowness

augcampos: open php project

yarrgh: First time opening NetBeans 7.2 Beta after importing settings from 7.1.2

crazyjavahacking: I just started NetBeans with bunch of opened projects

JMartinWard: Downloading and installing several plugins.

bht: Startup first time importing 7.1.2 settings

JMartinWard: Opening a C++ project demonstrating virtual inheritance.

furas: Installing 1326401582_org-netbeans-modules-php-nette.nbm

ivar_grimstad: installing cobertura plugin

sflemming: Tried to install the Android Plugins

GUEST: Installing a separately downloaded plugin

GUEST: Try to install Nette Plugin to NB 7.2 Beta IDE...

GUEST: Starting NetBeans 7.2 Beta for the first time.

GUEST: Installed 7.2 Beta and imported the 7.0 config at the first start, when this occured

GUEST: instalando plugin

mklaehn: added "downloaded" (self written module to ide)

GUEST: Launching Netbeans 7.2 Beta for the first time (with 7.1.2 setting imported).

GUEST: I started up NetBeans for the first time after installing it.
NetBeans had imported settings from NetBeans 7.1.1, which was also running at the time.
The nightly build was installed with java base, java se and c/c++

GUEST: plugin related update from 7.1.1 to dev 2010203230400

aldobrucale: starting nb

everheul: Installing plugin JUnit.

stefan79: Tried to install the following Plugins:
-) Path Tool
-) RegExPlugin

y575: Just when I Opened a tab with my projects and clicked one of them

GUEST: importing plugins from 7.1.2 installation

GUEST: Quick file chooser plugin Error:


org.xml.sax.SAXParseException; lineNumber: 1; columnNumber: 1; Premature end of file.

GUEST: I've just opened the IDE.

alfredogeiger: Importing projects from NetBeans 7.1.2

GUEST: First time I started Netbeans 7.2 Beta.




Stacktrace: 
org.xml.sax.SAXParseException; lineNumber: 1; columnNumber: 1; Premature end of file.
   at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:251)
   at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:300)
   at org.netbeans.updater.XMLUtil.parse(XMLUtil.java:112)
   at org.netbeans.updater.UpdateTracking.readModuleFromFile(UpdateTracking.java:457)
   at org.netbeans.updater.UpdateTracking.scanDir(UpdateTracking.java:537)
   at org.netbeans.updater.UpdateTracking.deleteUnusedFiles(UpdateTracking.java:498)