2477106 - Performance issue on AS Java server due to session size measurement

• You notice high CPU or long response time in As Java application server.
• You can find long running thread like below.

java.lang.Thread.State: RUNNABLE
at java.lang.reflect.Field.copy()Ljava/lang/reflect/Field;(Field.java:127)
at java.lang.reflect.ReflectAccess.copyField(Ljava/lang/reflect/Field;)Ljava/lang/reflect/Field;(ReflectAccess.java:122)
at sun.reflect.ReflectionFactory.copyField(Ljava/lang/reflect/Field;)Ljava/lang/reflect/Field;(ReflectionFactory.java:289)
at java.lang.Class.copyFields([Ljava/lang/reflect/Field;)[Ljava/lang/reflect/Field;(Class.java:2842)
at java.lang.Class.getDeclaredFields()[Ljava/lang/reflect/Field;(Class.java:1783)
at com.sap.engine.objectprofiler.graph.Node.getAllFields(Ljava/lang/Class;)[Ljava/lang/reflect/Field;(Node.java:322)
at com.sap.engine.objectprofiler.graph.Node.getNonPrimitiveFields(Ljava/lang/Class;Z)[Ljava/lang/reflect/Field;(Node.java:295)
at com.sap.engine.objectprofiler.graph.Node.buildNode(Ljava/lang/Object;Z)Lcom/sap/engine/objectprofiler/graph/Node;(Node.java:150)
at com.sap.engine.objectprofiler.graph.Graph.buildGraphIteratively(Ljava/lang/Object;ILcom/sap/engine/objectprofiler/controller/impl/ClassesFilter;ZZ)V(Graph.java:170)
at com.sap.engine.objectprofiler.graph.Graph.buildGraph(Ljava/lang/Object;ILcom/sap/engine/objectprofiler/controller/impl/ClassesFilter;ZZ)Lcom/sap/engine/objectprofiler/graph/Graph;(Graph.java:143)
at com.sap.engine.objectprofiler.graph.Graph.buildGraph(Ljava/lang/Object;ILcom/sap/engine/objectprofiler/controller/impl/ClassesFilter;)Lcom/sap/engine/objectprofiler/graph/Graph;(Graph.java:137)
at com.sap.engine.services.httpserver.server.sessionsize.SessionSizeManager.getObjectSizeOA(Ljava/lang/Object;I)J(SessionSizeManager.java:347)
at com.sap.engine.services.httpserver.server.sessionsize.SessionSizeManager.getChunksSize(Ljava/util/Hashtable;JI)J(SessionSizeManager.java:308)
at com.sap.engine.services.httpserver.server.sessionsize.SessionSizeManager.addObjectSize(Lcom/sap/engine/services/httpserver/server/sessionsize/SessionRequestInfo;)V(SessionSizeManager.java:152)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.addSessionSize(Lcom/sap/engine/services/httpserver/interfaces/HttpParameters;)V(HttpHandlerImpl.java:285)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(Ljava/lang/String;Lcom/sap/engine/services/httpserver/interfaces/HttpParameters;)V(HttpHandlerImpl.java:215)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(Ljava/lang/String;)V(RequestAnalizer.java:441)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(Lcom/sap/engine/services/httpserver/lib/util/MessageBytes;)V(RequestAnalizer.java:430)

NetWeaver AS Java all releases

high CPU, measurementEnabled, performance, objectprofiler, SessionSizeManager , KBA , BC-JAS-WEB , Web Container, HTTP, JavaMail, Servlets , Problem