eclipse kepler - An internal error occurred during: "JSP Index Manager: Processing Resource Events". java.lang.NullPointerException

I am getting the following error while starting eclipse Kepler.

An internal error occurred during: "JSP Index Manager: Processing Resource Events". java.lang.NullPointerException

Do you know what can be the cause of this problem?

More details:

Severity: Error

Message: An internal error occurred during: "JSP Index Manager: Processing Resource Events".

Exception Stack Trace:

java.lang.NullPointerException
at org.eclipse.wst.sse.core.indexing.AbstractIndexManager$ResourceEventProcessingJob.run(AbstractIndexManager.java:1520)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)

Session Data:

eclipse.buildId=4.3.0.I20130605-2000
java.version=1.6.0_45
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US
Framework arguments:  -product org.eclipse.epp.package.jee.product
Command-line arguments:  -os linux -ws gtk -arch x86_64 -product org.eclipse.epp.package.jee.product

Solution

Update to Kepler SR1. It's a known (and fixed) bug, http://bugs.eclipse.org/402541 .