关于Liferay7.0与openldap2.4用户同步只能同步1000人，Liferay不能分页查询ldap

[恐龙]

主要问题就是Liferay7.0不能分页查询openldap2.4的所以用户，当前openldap中有2000多人，但是当Liferay同步到1000人后，就会报如下错误：

00:04:15,445 ERROR [liferay/scheduled_user_ldap_import-1][LDAPUserImporterImpl:452] Unable to import LDAP users and groups
javax.naming.CommunicationException: [LDAP: error code 2 - paged results cookie is invalid]; remaining name 'dc=jt,dc=com'
        at com.sun.jndi.ldap.LdapCtx.mapErrorCode(LdapCtx.java:3202)
        at com.sun.jndi.ldap.LdapCtx.processReturnCode(LdapCtx.java:3100)
        at com.sun.jndi.ldap.LdapCtx.processReturnCode(LdapCtx.java:2891)
        at com.sun.jndi.ldap.LdapCtx.searchAux(LdapCtx.java:1846)
        at com.sun.jndi.ldap.LdapCtx.c_search(LdapCtx.java:1769)
        at com.sun.jndi.toolkit.ctx.ComponentDirContext.p_search(ComponentDirContext.java:392)
        at com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.search(PartialCompositeDirContext.java:358)
        at com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.search(PartialCompositeDirContext.java:341)
        at javax.naming.directory.InitialDirContext.search(InitialDirContext.java:267)
        at com.liferay.portal.security.ldap.internal.DefaultPortalLDAP.searchLDAP(DefaultPortalLDAP.java:935)
        at com.liferay.portal.security.ldap.internal.DefaultPortalLDAP.getUsers(DefaultPortalLDAP.java:719)
        at com.liferay.portal.security.ldap.internal.DefaultPortalLDAP.getUsers(DefaultPortalLDAP.java:756)
        at com.liferay.portal.security.ldap.internal.exportimport.LDAPUserImporterImpl.importFromLDAPByUser(LDAPUserImporterImpl.java:786)
        at com.liferay.portal.security.ldap.internal.exportimport.LDAPUserImporterImpl.importUsers(LDAPUserImporterImpl.java:448)
...skipping...
        at com.liferay.portal.security.ldap.internal.DefaultPortalLDAP.getUsers(DefaultPortalLDAP.java:719)
        at com.liferay.portal.security.ldap.internal.DefaultPortalLDAP.getUsers(DefaultPortalLDAP.java:756)
        at com.liferay.portal.security.ldap.internal.exportimport.LDAPUserImporterImpl.importFromLDAPByUser(LDAPUserImporterImpl.java:786)
        at com.liferay.portal.security.ldap.internal.exportimport.LDAPUserImporterImpl.importUsers(LDAPUserImporterImpl.java:448)
        at com.liferay.portal.security.ldap.internal.exportimport.LDAPUserImporterImpl.importUsers(LDAPUserImporterImpl.java:386)
        at com.liferay.portal.security.ldap.internal.messaging.UserImportMessageListener.doReceive(UserImportMessageListener.java:112)
        at com.liferay.portal.kernel.messaging.BaseMessageListener.receive(BaseMessageListener.java:26)
        at com.liferay.portal.kernel.scheduler.messaging.SchedulerEventMessageListenerWrapper.receive(SchedulerEventMessageListenerWrapper.java:65)
        at com.liferay.portal.kernel.messaging.InvokerMessageListener.receive(InvokerMessageListener.java:74)
        at com.liferay.portal.kernel.messaging.SerialDestination$1.run(SerialDestination.java:58)
        at com.liferay.portal.kernel.concurrent.ThreadPoolExecutor$WorkerTask._runTask(ThreadPoolExecutor.java:756)
        at com.liferay.portal.kernel.concurrent.ThreadPoolExecutor$WorkerTask.run(ThreadPoolExecutor.java:667)
        at java.lang.Thread.run(Thread.java:748)
(END) 
        at com.liferay.portal.security.ldap.internal.DefaultPortalLDAP.getUsers(DefaultPortalLDAP.java:719)
        at com.liferay.portal.security.ldap.internal.DefaultPortalLDAP.getUsers(DefaultPortalLDAP.java:756)
        at com.liferay.portal.security.ldap.internal.exportimport.LDAPUserImporterImpl.importFromLDAPByUser(LDAPUserImporterImpl.java:786)
        at com.liferay.portal.security.ldap.internal.exportimport.LDAPUserImporterImpl.importUsers(LDAPUserImporterImpl.java:448)
        at com.liferay.portal.security.ldap.internal.exportimport.LDAPUserImporterImpl.importUsers(LDAPUserImporterImpl.java:386)
        at com.liferay.portal.security.ldap.internal.messaging.UserImportMessageListener.doReceive(UserImportMessageListener.java:112)
        at com.liferay.portal.kernel.messaging.BaseMessageListener.receive(BaseMessageListener.java:26)
        at com.liferay.portal.kernel.scheduler.messaging.SchedulerEventMessageListenerWrapper.receive(SchedulerEventMessageListenerWrapper.java:65)
        at com.liferay.portal.kernel.messaging.InvokerMessageListener.receive(InvokerMessageListener.java:74)
        at com.liferay.portal.kernel.messaging.SerialDestination$1.run(SerialDestination.java:58)
        at com.liferay.portal.kernel.concurrent.ThreadPoolExecutor$WorkerTask._runTask(ThreadPoolExecutor.java:756)
        at com.liferay.portal.kernel.concurrent.ThreadPoolExecutor$WorkerTask.run(ThreadPoolExecutor.java:667)
        at java.lang.Thread.run(Thread.java:748)

我在网上查了下，大概意思是Liferay分页查询ldap时cookie无效，求大神指点，如何解决？