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Startup & Shutdown of AS JAVA Systems • The startup commands for AS ABAP are also valid for AS JAVA systems. Except for the option “r3” in startsap/stopsap command line executable , the option to be used is “j2ee” • Similar to AS ABAP , both command line and SAP MMC are used for starting and stopping of AS JAVA systems Windows OS Unix OS UNIX shell . > startsap ( �startsap__) 18 October 2010
Sequence of Startup • The SAP System comprises of Database Instance , Central Services and finally the multiple Dialog Instances • The sequence of startup is extremely important. Starting the processes of sequence will result in an inconsistent state and may spawn zombie processes on the OS which will have to killed DATABASE INSTANCE START SEQUENCE CENTRAL INSTANCE Message Server Enqueue DIALOG INSTANCE ABAP Work Processes 18 October 2010
Page 1 and 2: SAP BASIS Introductory Training Pro
Page 3 and 4: AS JAVA Architecture & Processes 18
Page 5 and 6: SAP AS JAVA Instance Central Instan
Page 7 and 8: Summary of AS JAVA Processes The fo
Page 9 and 10: AS JAVA Architecture • In AS Java
Page 11 and 12: Key architecture principles of Dual
Page 13 and 14: Details on request processing • T
Page 15 and 16: Transaction Processing in AS JAVA 1
Page 17 and 18: Details on Managers & Services •
Page 19 and 20: Open SQL for JAVA • If the Java p
Page 21 and 22: The JAVA Instance Concept • SAP N
Page 23 and 24: Request Processing by the dispatche
Page 25 and 26: Message & Enqueue Service • The m
Page 27 and 28: Services in the AS JAVA • The ser
Page 29: Startup & Shutdown Of AS JAVA Insta
Page 33 and 34: Stopping AS JAVA in UNIX • The st
Page 35 and 36: Starting/Stopping a pure AS JAVA in
Page 37 and 38: Process Information 18 October 2010
Page 39 and 40: SMICM Details • In the case of SA
Page 41 and 42: Start/Stop in UNIX • For SAP syst
Page 43 and 44: Details on the Framework • SAP pr
Page 45 and 46: Location in Windows 18 October 2010
Page 47 and 48: JCMON Tool • The JCmon tool can b
Page 49 and 50: Logs & Trace Files in AS JAVA 18 Oc
Page 51 and 52: Administration & Configuration Tool
Page 53 and 54: Features of the Config Tool • The
Page 55 and 56: Visual Administrator • With the V
Page 57 and 58: Memory Management in AS JAVA • Th
Page 59 and 60: Explanation of the Term “Generati
Page 61 and 62: Exercise EXERCISE • Login to the

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