This Bugzilla instance is a read-only archive of historic NetBeans bug reports. To report a bug in NetBeans please follow the project's instructions for reporting issues.
A java.lang.NullPointerException is occurring for the last 2-3 days, when NB 5.5 is loading. I'm attaching the messages.log file. Please see to it.
Created attachment 52783 [details] Messages.log file
These exceptions are only informational and should not cause any harm. Just for sure you could delete var/cache folder under your userdir. Java infrastructure was completly replaced in 6.0 release.