Inventory service can't be started, service status stay in starting,How to resolve it?

After reboot VCenter server host.The inventory service keeping status in starting.

I can't stop inventory service.

I found some error in the inventory log file as below:

[2013-08-31 08:48:22,265 pool-3-thread-1 ERROR com.vmware.vim.query.server.store.impl.QueryPerfLogger] Session pool-providerPool-session-5 has been held for 418885

[2013-08-31 08:48:22,274 pool-3-thread-1 ERROR com.vmware.vim.query.server.store.impl.QueryPerfLogger] at xDB_9_0_11.nU.q(xdb:212)

at xDB_9_0_11.nZ.ia(xdb:399)

at xDB_9_0_11.nZ.ib(xdb:404)

at xDB_9_0_11.vf.iR(xdb:48)

at xDB_9_0_11.nU.qm(xdb:329)

at xDB_9_0_11.nU.tG(xdb:1751)

at xDB_9_0_11.nU.lf(xdb:1769)

at xDB_9_0_11.hA.lf(xdb:85)

at xDB_9_0_11.hA.kr(xdb:10)

at xDB_9_0_11.lP.rB(xdb:143)

at xDB_9_0_11.lP.rD(xdb:163)

at xDB_9_0_11.lP.rF(xdb:184)

at xDB_9_0_11.Hd.aV(xdb:50)

at xDB_9_0_11.ur.aV(xdb:168)

at xDB_9_0_11.tk.aV(xdb:28)

at xDB_9_0_11.vi.aV(xdb:465)

at xDB_9_0_11.pe.getBooleanValue(xdb:102)

at xDB_9_0_11.ts.dL(xdb:31)

at xDB_9_0_11.rT.aV(xdb:33)

at xDB_9_0_11.Bp.l(xdb:146)

at xDB_9_0_11.kS.a(xdb:60)

at xDB_9_0_11.pu.a(xdb:68)

at xDB_9_0_11.kQ.a(xdb:41)

at xDB_9_0_11.pL.a(xdb:83)

at xDB_9_0_11.pL.c(xdb:74)

at xDB_9_0_11.pL.b(xdb:55)

at xDB_9_0_11.HV.Lq(xdb:29)

at xDB_9_0_11.HV.aV(xdb:50)

at xDB_9_0_11.La.a(xdb:25)

at xDB_9_0_11.Ch.a(xdb:266)

at xDB_9_0_11.Ch.a(xdb:149)

at xDB_9_0_11.ur.<init>(xdb:121)

at xDB_9_0_11.ur.<init>(xdb:95)

at xDB_9_0_11.sT.a(xdb:52)

at xDB_9_0_11.jw.a(xdb:37)

at xDB_9_0_11.xj.a(xdb:44)

at xDB_9_0_11.yM.a(xdb:199)

at xDB_9_0_11.yM.<init>(xdb:194)

at xDB_9_0_11.NK.a(xdb:150)

at xDB_9_0_11.NK.a(xdb:136)

at xDB_9_0_11.zA.ea(xdb:129)

at xDB_9_0_11.zA.<init>(xdb:95)

at xDB_9_0_11.cy.a(xdb:23)

at xDB_9_0_11.xv.dL(xdb:66)

at xDB_9_0_11.rT.aV(xdb:33)

at xDB_9_0_11.zA.aV(xdb:101)

at xDB_9_0_11.J.P(xdb:196)

at xDB_9_0_11.J.O(xdb:119)

at xDB_9_0_11.Fd.Gf(xdb:128)

at xDB_9_0_11.xv.dL(xdb:69)

at xDB_9_0_11.rT.aV(xdb:33)

at xDB_9_0_11.ur.aV(xdb:155)

at xDB_9_0_11.DF.aV(xdb:20)

at xDB_9_0_11.DF.hasNext(xdb:26)

at com.vmware.vim.query.server.store.impl.QueryResultIteratorImpl.hasNext(QueryResultIteratorImpl.java:53)

at com.vmware.vim.vcauthorization.impl.provider.InMemoryAuthCache$1.loadCache(InMemoryAuthCache.java:584)

at com.vmware.vim.vcauthorization.impl.provider.InMemoryAuthCache.handleUpdatedObjects(InMemoryAuthCache.java:742)

at com.vmware.vim.vcauthorization.impl.provider.InMemoryAuthCache.processProviders(InMemoryAuthCache.java:691)

at com.vmware.vim.vcauthorization.impl.provider.InMemoryAuthCache.initializeCache(InMemoryAuthCache.java:666)

at com.vmware.vim.vcauthorization.impl.provider.InMemoryAuthCache.init(InMemoryAuthCache.java:232)

at sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:-2)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:597)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeCustomInitMethod(AbstractAutowireCapableBeanFactory.java:1412)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1373)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1333)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:471)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409)

at java.security.AccessController.doPrivileged(AccessController.java:-2)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)

at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264)

at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:220)

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)

at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:269)

at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:104)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1244)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1008)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:470)