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If another SAP product updates the shared SAP JRE (during installation or upgrade, for example), the JVM

DLL that a given DA Windows service relies on might be deleted. When this happens, the DA Windows service

and its server or agent cannot start.

If an update to the shared SAP JRE renders your DA Windows service unable to start, locate the jvm.dll file

in the new JRE and update the path in the Windows service's _Service.ini file. For details on

_Service.ini files, see _Service.ini Initialization Files [page 14].

Set JVM Options Both in Run Script and in Service.ini File

The start options for a DA server or agent instance's Java virtual machine are stored in its RUN script.

However, an instance that has a Windows service loads JVM options from its _Service.ini file. If you modify

JVM options for a DA server or agent configured to run as a Windows service, be sure to update both the RUN

script and the _Service.ini file for the instance. For details on _Service.ini files, see _Service.ini

Initialization Files [page 14].

Adding or Updating JDBC JAR Files

When you add or update JDBC JARs, or any non-system JAR files, copy them into the lib directory for each

DA server or agent instance that runs as a Windows service:

● C:\SAP\DA-15_5\server\lib, or

● C:\SAP\DA-15_5\agent\lib

This is necessary because running DA servers and agents as Windows services relies on the Java classpath,

which does not support wildcards. Rather than requiring classpath modifications every time a non-system JAR

is added or updated, DA loads all non-system JARs from the appropriate lib directory. When you add a JAR to

the lib directory, stop and restart the DA instance to force it to read the new JAR.

_Service.ini Initialization Files

Each DA Windows service has an initialization file that specifies:

● Start options for the server or agent instance's Java virtual machine.

● The location of the JVM DLL file in the shared SAP JRE. (The shared JRE is used by the JVM and may be

used by other SAP software installed on this machine.)

● The location of the service's log file

The initialization file resides in the DA instance directory and is named as follows:

● For a DA server instance: DA_Server_<instanceName>_Service.ini

● For a DA agent instance: DA_Agent_<instanceName>_Service.ini

For example, the _Service.ini files for a server called myserver and an agent called myagent might be:

C:\SAP\DA-15_5\server\myserver\DA_Server_myserver_Service.ini

P U B L I C

New Features Guide

New Features in SAP Replication Server Data Assurance 15.7.1 SP204

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