1389499 - "Error:{ERROR} session.ManagerBase Thread [Thread-1]; Exception loading sessions from persistent storage" when restarting Tomcat

• Getting error while restarting Tomcat
• Error:{ERROR} session.ManagerBase Thread [Thread-1]; Exception loading sessions from persistent storage
  java.lang.NullPointerException
   at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1820)
   at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1719)
   at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1305)
   at java.io.ObjectInputStream.readObject(ObjectInputStream.java:348)
   at org.apache.catalina.session.StandardSession.readObject(StandardSession.java:1392)
   at org.apache.catalina.session.StandardSession.readObjectData(StandardSession.java:921)
   at org.apache.catalina.session.StandardManager.doLoad(StandardManager.java:393)
   at org.apache.catalina.session.StandardManager.load(StandardManager.java:320)
   at org.apache.catalina.session.StandardManager.start(StandardManager.java:636)
   at org.apache.catalina.core.ContainerBase.setManager(ContainerBase.java:431)
   at org.apache.catalina.core.StandardContext.start(StandardContext.java:4155)
   at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759)
   at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
   at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
   at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:608)
   at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:535)
   at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:470)
   at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1122)
   at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:310)
   at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
   at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1021)
   at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
   at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1013)
   at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
   at org.apache.catalina.core.StandardService.start(StandardService.java:450)
   at org.apache.catalina.core.StandardServer.start(StandardServer.java:709)
   at org.apache.catalina.startup.Catalina.start(Catalina.java:551)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:585)
   at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:294)
   at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:432)

deserialize, 843471, ManagerBase, crash, cannot start, communicate , KBA , BI-BIP-DEP , Webapp Deployment, Networking, Vulnerabilities, Webservices , BI-BIP-ADM , BI Servers, security, Crystal Reports in Launchpad , Problem