Eclipse很卡，Updating the index from remote failed.

开源之夏第三届火热来袭，高校学生参与赢万元奖金！>>>

最近用着Eclipse很卡，然后我留意到Error Log栏里有这么个东西，请问一下这是什么意思啊，我的系统是win10,jdk是1.8，均为64位，eclipse是eclipse-reporting-mars-R-win32-x86_64。如能解答，非常感谢。

eclipse.buildId=4.5.0.I20150603-2000

java.version=1.8.0_91
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=zh_CN
Framework arguments:  -product org.eclipse.epp.package.reporting.product
Command-line arguments:  -os win32 -ws win32 -arch x86_64 -product org.eclipse.epp.package.reporting.product


org.eclipse.epp.logging.aeri.ui
Warning
Mon Sep 12 14:12:46 CST 2016
Updating the index from remote failed. Version: 1.0.0.v20150617-0732


java.lang.NullPointerException
at org.eclipse.epp.internal.logging.aeri.ui.log.ProblemsDatabaseUpdateJob.getEtag(ProblemsDatabaseUpdateJob.java:95)
at org.eclipse.epp.internal.logging.aeri.ui.log.ProblemsDatabaseUpdateJob.run(ProblemsDatabaseUpdateJob.java:58)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)