Analytic engine not starting after 11g upgrade

hi,

recently there was a oracle 11g upgrade from 10g and so accordingly i added the new jar sl53_cj42_driver.jar in mws/lib and restarted all engines prediction/mws are coming up fine but Analyytic engine wont come up and it goes with the following error. Anyidea ? please help.

$ java version “1.5.0_15”
Java™ 2 Runtime Environment, Standard Edition (build 1.5.0_15-b04)
Java HotSpot™ Server VM (build 1.5.0_15-b04, mixed mode)

Dec 13, 2012 12:56:27 PM com.webmethods.sc.config.ConfigurationLogger log
INFO: Out-of-band file changes will be monitored every ‘60000’ milliseconds
(OPTIMIZE) [Analytic Engine v7.1.2.0.HttpWSServer.httpServerSSLConfigLoaded] 2
[STARTUP] Glue 6.5.1 Fix 4 build 5540 © 2001-2012 webMethods, Inc.
[STARTUP] soap/http server started on https://eaixxx:15000/services
[STARTUP] soap/http server started on http://eaxxx:12503/services
(OPTIMIZE) [Analytic Engine v7.1.2.0.WebServiceDCAWrapper.wsDcaRegisterServiceSuccess] 2012-12-13
(OPTIMIZE) [Analytic Engine v7.1.2.0.SCGConnectionManager.scPoolAdaptStart] 2012-12-13 12:56:49.166 CST INFO: Starting connection pool [db_pool]
() [JDBCPools.admin.2318] 2012-12-13 12:56:52.493 CST INFO: Connection pool ‘db_pool’ initialized with 4 connection(s)
(OPTIMIZE) [Analytic Engine v7.1.2.0.ClusterManagementFactory.UnknownKey] 2012-12-13 12:56:52.579 CST INFO: Number of Cluster Members: 1
(OPTIMIZE) [Analytic Engine v7.1.2.0.ClusterManagementFactory.UnknownKey] 2012-12-13 12:56:52.581 CST INFO: Configuring local cache (no Tangosol dependency)
(OPTIMIZE) [Analytic Engine v7.1.2.0.LocalMembershipManagement.UnknownKey] 2012-12-13 12:56:52.611 CST INFO: Cluster Config: com.webmethods.sc.cluster.membermanagement.config.ClusterConfig@123a389
(OPTIMIZE) [Analytic Engine v7.1.2.0.DatabaseProperties.configFileLoadComplete] 2012-12-13 12:56:53.959 CST INFO: Configuration file DatabaseProperties loaded.
(OPTIMIZE) [Analytic Engine v7.1.2.0.Stack.UnknownKey] 2012-12-13 12:56:54.119 CST INFO: Spring starting
[org.springframework.core.CollectionFactory] 2012-12-13 12:56:54,296 INFO : JDK 1.4+ collections available
[org.springframework.core.CollectionFactory] 2012-12-13 12:56:54,339 INFO : Commons Collections 3.x available
[org.springframework.beans.factory.xml.XmlBeanDefinitionReader] 2012-12-13 12:56:54,438 INFO : Loading XML bean definitions from file [/opt/webm/71/bpm/optimize/analysis/conf/spring/uiservices.spring.xml]
[org.springframework.beans.factory.xml.XmlBeanDefinitionReader] 2012-12-13 12:56:55,228 INFO : Loading XML bean definitions from file [/opt/webm/71/bpm/optimize/analysis/conf/spring/analyticengine.spring.xml]
[org.springframework.context.support.GenericApplicationContext] 2012-12-13 12:56:57,088 INFO : 213 beans defined in application context [org.springframework.context.support.GenericApplicationContext;hashCode=15780668]
[org.springframework.context.support.GenericApplicationContext] 2012-12-13 12:56:57,132 INFO : Unable to locate MessageSource with name ‘messageSource’: using default [org.springframework.context.support.DelegatingMessageSource@15a3a1]
[org.springframework.context.support.GenericApplicationContext] 2012-12-13 12:56:57,137 INFO : Unable to locate ApplicationEventMulticaster with name ‘applicationEventMulticaster’: using default [org.springframework.context.event.SimpleApplicationEventMulticaster@7ab40c]
[org.springframework.beans.factory.support.DefaultListableBeanFactory] 2012-12-13 12:56:57,149 INFO : Pre-instantiating singletons in factory [org.springframework.beans.factory.support.DefaultListableBeanFactory defining beans [kpiCategoryHandler,kpiService,eventService,filterService,dimensionAbstractionLayer,systemService,customTreePublisher,customTreeService,customTreeProvider,monitorService,kpiSummaryService,dlsInstanceFilterService,instanceService,processModelService,improveProcessService,ruleService,processAnalytics,problemAnalytics,currentAnalytics,improveAnalytics,criticalPathAlgorithm, ***** …stackHealthService,errorLogAgent,queueManager]; root of BeanFactory hierarchy]
(OPTIMIZE) [Analytic Engine v7.1.2.0.StationProperties.configFileLoadComplete] 2012-12-13 12:56:57.358 CST INFO: Configuration file StationProperties loaded.
(OPTIMIZE) [Analytic Engine v7.1.2.0.RuleBaseStorage.UnknownKey] 2012-12-13 12:57:15.403 CST ERROR: Unable to deseriablize blob for rule expression ruleID: [16]
(OPTIMIZE) [Analytic Engine v7.1.2.0.RuleBaseStorage.UnknownKey] 2012-12-13 12:57:15.403 CST ERROR: java.lang.NullPointerException: null
(OPTIMIZE) [Analytic Engine v7.1.2.0.RuleBaseStorage.UnknownKey] 2012-12-13 12:57:15.403 CST ERROR: at java.io.ObjectInputStream$Pe
ekInputStream.read(ObjectInputStream.java:2213)
(OPTIMIZE) [Analytic Engine v7.1.2.0.RuleBaseStorage.UnknownKey] 2012-12-13 12:57:15.403 CST ERROR: at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2226)
(OPTIMIZE) [Analytic Engine v7.1.2.0.RuleBaseStorage.UnknownKey] 2012-12-13 12:57:15.403 CST ERROR: at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2694)
(OPTIMIZE) [Analytic Engine v7.1.2.0.RuleBaseStorage.UnknownKey] 2012-12-13 12:57:15.403 CST ERROR: at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:761)
(OPTIMIZE) [Analytic Engine v7.1.2.0.RuleBaseStorage.UnknownKey] 2012-12-13 12:57:15.403 CST ERROR: at java.io.ObjectInputStream.(ObjectInputStream.java:277)
(OPTIMIZE) [Analytic Engine v7.1.2.0.RuleBaseStorage.UnknownKey] 2012-12-13 12:57:15.403 CST ERROR: at com.dante.analysis.rules.storage.RuleBaseStorage.getRule(RuleBaseStorage.java:325)
(OPTIMIZE) [Analytic Engine v7.1.2.0.RuleBaseStorage.UnknownKey] 2012-12-13 12:57:15.403 CST ERROR: at com.dante.analysis.rules.storage.RuleBaseStorage.loadVersionedDefinition(RuleBaseStorage.java:490)