Oracle Lite vs. MobiLink DB synchronisation

Hi all
I have the task to analyse several synchronisation solutions on the
market. The analysis will play an important part in the decision for
which solution a quite big company will go for when building mobile
applications.
Up to know I manly focused on Oracle Lite and MobiLink.
I am sure that some of you guys did the same analysis. May you can give
me some good and important facts I have to take into consideration in
the analysis.
thx for any useful hints.
cheers,
Michel
Message was edited by:
Michel77

Michel,
Having an Oracle enterprise database is an important first step. It'd be harder to choose Oracle Lite over MobiLink if you also had to be convinced to switch to Oracle in the backend.
A second important comparison IMO is the client database and application development tools (prior to analyzing the synchronization technologies themselves). Both products only support their own client databases (MobiLink and SQL Anywhere/UltraLite or OLite Mobile Server and client database). I'd start by evaluating the client database in each case to ensure it matches with your requirements. Items to consider are:
- Target platform support
- Datatype requirements
- Footprint requirements
- Logic requirements
- Driver support
- other items important to you
I think another important item to review before evaluating the synchronization process itself is the tools involved for building and deploying your application. If the site that will build and deploy the application is already familiar with many Oracle tools such as App Server, OC4J, etc. they may find Oracle Lite a much more familiar environment to work within, which could be a sufficient benefit in time to develop and deploy the application.
In comparing synchronization, I think you'll find both tools have the same basic features. You might consider a few of these items to compare the technologies:
1) Performance - this might be hard to measure without planning and developing a few test scripts. For a full sync, the upload, apply, download phases in MobiLink are synchronous; each one relying on the completion of the prior to move on in the synchronization process. Oracle Lite's methodology is asynchronous. Your client modifications are uploaded/downloaded from a queue, which in turn works to apply and compose changes from and into the Oracle. This means your client is not forced to wait for upload transactions to commit to Oracle before it can continue with downloading its changes. On a small scale (numbers of users, small amount of data, infrequent transactions to Oracle), the difference in this methodoloy will not display much in terms of performance impact. If you plan to scale up or out, or are working with a very busy Oracle database, you'll find Oracle Lite's methodology will scale better.
2) Remote administration: It's worth checking into the functionality each product provides to remotely administer the client database. Consider basic use case scenarios now and in the future that might require remote administration and compare the tools each provides to accomplish.
3) Integration with Oracle: Mapping the differences for Oracle specific features (sequences, etc) is often important.
4) Consider how the two products handle an interruption of a user synchronization, which can be especially important if you are synchronizing large sets of data.
5) Check how to manage conflicts and errors in each product and see how that works for your particular use cases. The nuances and application of this is different for each product.
This should help you get started. I'll post some additional thoughts if they come to me.
HTH
Gabe

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    installaction.log:
    BUILD SUCCESSFUL
    Total time: 3 minutes 35 seconds
    C:\product\10.1.3.1\OracleAS_1\bpel\samples>ENDLOCAL
    BUILD SUCCESSFUL
    Total time: 4 minutes 43 seconds
    Exit: 0
    TASK: oracle.tip.install.tasks.UpdateConfigFiles
    Updating configuration files ...
    Exit: 0
    TASK: oracle.tip.install.tasks.RegisterOlite
    Registering Olite ...
    C:\product\10.1.3.1\OracleAS_1\bpel\install\bin>set OB_HOME=C:\product\10.1.3.1\OracleAS_1\bpel
    C:\product\10.1.3.1\OracleAS_1\bpel\install\bin>set OLITE_LIB=C:\product\10.1.3.1\OracleAS_1\bpel\..\Mobile\Sdk\BIN
    C:\product\10.1.3.1\OracleAS_1\bpel\install\bin>set OLITE_BIN=C:\product\10.1.3.1\OracleAS_1\bpel\..\Mobile\Sdk\BIN
    C:\product\10.1.3.1\OracleAS_1\bpel\install\bin>set PATH=C:\product\10.1.3.1\OracleAS_1\jdk\bin;C:\product\10.1.3.1\OracleAS_1\ant\bin;C:\oracle\product\10.2.0\db_1\bin;C:\app\product\11.1.0\db_1\bin;%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;C:\Program Files\Common Files\Roxio Shared\DLLShared\;C:\Program Files\Common Files\Roxio Shared\10.0\DLLShared\;C:\Program Files\Microsoft SQL Server\80\Tools\Binn\;C:\Program Files\Microsoft SQL Server\90\DTS\Binn\;C:\Program Files\Microsoft SQL Server\90\Tools\binn\;C:\Program Files\Microsoft SQL Server\90\Tools\Binn\VSShell\Common7\IDE\;C:\Program Files\Microsoft Visual Studio 8\Common7\IDE\PrivateAssemblies\;C:\product\10.1.3.1\OracleAS_1\MOBILE\sdk\bin;C:\product\10.1.3.1\OracleAS_1\jdk\jre\bin\server
    C:\product\10.1.3.1\OracleAS_1\bpel\install\bin>set CLASSPATH=C:\product\10.1.3.1\OracleAS_1\bpel\..\Mobile\Sdk\BIN\olite40.jar;C:\product\10.1.3.1\OracleAS_1\MOBILE\Sdk\bin\OLITE40.JAR;
    C:\product\10.1.3.1\OracleAS_1\bpel\install\bin>C:\product\10.1.3.1\OracleAS_1\bpel\..\Mobile\Sdk\BIN\olsv2040.exe /stop
    OliteService reports the following status:
    The service stop is pending.
    OliteService reports the following status:
    The service is stopped.
    The current status of Oracle Lite Multiuser Service:
    Current State : SERVICE_STOPPED
    Acceptable Control Code : (0x0)
    C:\product\10.1.3.1\OracleAS_1\bpel\install\bin>C:\product\10.1.3.1\OracleAS_1\bpel\..\Mobile\Sdk\BIN\olsv2040.exe /remove
    OliteService reports the following status:
    The service is removed.
    C:\product\10.1.3.1\OracleAS_1\bpel\install\bin>C:\product\10.1.3.1\OracleAS_1\bpel\..\Mobile\Sdk\BIN\olsv2040.exe /install
    OliteService reports the following status:
    The service is installed.
    C:\product\10.1.3.1\OracleAS_1\bpel\install\bin>C:\product\10.1.3.1\OracleAS_1\bpel\..\Mobile\Sdk\BIN\olsv2040.exe /start
    OliteService reports the following status:
    The service start pending.
    OliteService reports the following status:
    The service is running...
    port = 1531
    wdir = C:\Windows\system32
    The current status of Oracle Lite Multiuser Service:
    Current State : SERVICE_RUNNING
    Acceptable Control Code : (0x1) SERVICE_ACCEPT_STOP
    C:\product\10.1.3.1\OracleAS_1\bpel\install\bin>mkdir "C:\product\10.1.3.1\OracleAS_1\bpel\system\database\olite"
    C:\product\10.1.3.1\OracleAS_1\bpel\install\bin>del /f "C:\product\10.1.3.1\OracleAS_1\bpel\system\database\olite\orabpel.odb"
    C:\product\10.1.3.1\OracleAS_1\bpel\install\bin>"C:\product\10.1.3.1\OracleAS_1\bpel\..\Mobile\Sdk\BIN\createdb.exe" orabpel "C:\product\10.1.3.1\OracleAS_1\bpel\system\database\olite\orabpel.odb" manager
    Database C:\PRODUCT\10.1.3.1\ORACLEAS_1\BPEL\SYSTEM\DATABASE\OLITE\ORABPEL.odb created (VolID = 1736).
    C:\product\10.1.3.1\OracleAS_1\bpel\install\bin>exit 0
    Could Not Find C:\product\10.1.3.1\OracleAS_1\bpel\system\database\olite\orabpel.odb
    Oracle Lite CREATEDB Version 10.2.0.2.0.
    Copyright (c) 1997, 2005, Oracle. All rights reserved.
    Exit: 0
    TASK: oracle.tip.install.tasks.DeployApps
    Deploy applications and adapters
    Port value is 6003
    Buildfile: bpminstall.xml
    init-midtier:
    Trying to override old definition of datatype echoproperties
    common_update_server.xml:
    Adding shared library apache.junit ...
    Adding shared library oracle.db.lite ...
    Adding shared library apache.commons 10.1.3 ...
    Adding shared library apache.jdom ...
    Adding shared library apache.slide ...
    Running batch script by:
    java admin_client.jar deployer:oc4j:opmn://victoria-PC:6003/home -script C:\product\10.1.3.1\OracleAS_1\bpel\system\services\install\ant-tasks/bpel_admin_client_script_sl.txt
    Failed at "Could not get DeploymentManager".
    This is typically the result of an invalid deployer URI format being supplied, the target server not being in a started state or incorrect authentication details being supplied.
    More information is available by enabling logging -- please see the Oracle Containers for J2EE Configuration and Administration Guide for details.
    update_server.xml:
    restart.container:
    Stopping home container ...
    opmnctl: stopping opmn managed processes...
    ================================================================================
    opmn id=victoria-PC:6200
    no processes or applications matched this request
    Restarting home container ...
    opmnctl: starting opmn managed processes...
    ================================================================================
    opmn id=victoria-PC:6200
    0 of 1 processes started.
    ias-instance id=oapp1013.victoria-PC
    ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    ias-component/process-type/process-set:
    default_group/home/default_group/
    Error
    --> Process (index=1,uid=503452990,pid=3000)
    failed to start a managed process after the maximum retry limit
    Log:
    C:\product\10.1.3.1\OracleAS_1\opmn\logs\\default_group~home~default_group~1.log
    init-midtier:
    Setting up the dehydration store [olite]...
    dehydrationStore:
    Configuring data sources for olite dehydration store ...
    Deploying ORABPEL Applications...
    deploy-applications:
    Deploying Oracle BPEL Process Manager ...
    Copying 1 file to C:\product\10.1.3.1\OracleAS_1\bpel\system\services\lib
    Copying 1 file to C:\product\10.1.3.1\OracleAS_1\bpel\system\services\lib
    Copying 1 file to C:\product\10.1.3.1\OracleAS_1\bpel\system\services\lib
    Updating jar: C:\product\10.1.3.1\OracleAS_1\bpel\system\services\lib\orabpel.ear
    Running batch script by:
    java admin_client.jar deployer:oc4j:opmn://my-PC:6003/home -script C:\product\10.1.3.1\OracleAS_1\bpel\system\services\install\ant-tasks/bpel_deployapps.txt
    Failed at "Could not get DeploymentManager".
    This is typically the result of an invalid deployer URI format being supplied, the target server not being in a started state or incorrect authentication details being supplied.
    More information is available by enabling logging -- please see the Oracle Containers for J2EE Configuration and Administration Guide for details.
    Please advise what's wrong?
    thanks
    andrew

    The following procedure describes the steps required to deploy the DbAdapter.rar file using admin_client.jar:
    1. Copy the following libraries from server.xml in an OC4J_SOA container to a server.xml file for a new
    container:
    oracle.bpel.common
    apache.junit
    oracle.db.lite
    apache.commons
    apache.jdom
    apache.slide
    For example, for oracle.bpel.common, copy the following extract from one server.xml to another and
    do the same for all other libraries:
    <shared-library name="oracle.bpel.common" version="10.1.3">
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/system/classes"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/lib/orabpel-common.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/lib/orabpel-thirdparty.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/lib/orabpel.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/lib/bpm-infra.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/system/services/lib/wdk.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/lib/connector15.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/lib/orabpel-exts.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/lib/orabpel-ant.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/lib/ant_1.6.5.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/lib/bipres.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/lib/bicmn.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/jlib/uix2.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/jlib/jewt4.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/jlib/regexp.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/jlib/share.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/jdk/lib/tools.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/jlib/ldapjclnt10.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/system/services/schema"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/system/services/config"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/system/services/lib/bpm-services.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/system/services/lib/wfapi.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/system/services/lib/fndctx.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/system/services/lib/phaos.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/system/services/lib/pushapi.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/lib/oracle_http_client.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/registry/lib/uddiclient_api_v3.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/registry/lib/wasp.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/registry/lib/uddiclient_core.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/registry/lib/saaj.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/registry/lib/jaxm.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/registry/lib/builtin_serialization.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/registry/lib/core_services_client.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/bpel/registry/lib/jaxrpc.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/rules/lib/rl.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/rules/lib/rulesdk.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/rules/lib/webdavrc.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/rules/lib/jr_dav.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/webservices/lib/wsif.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5\integration\esb/lib/oraesb.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5\integration\esb/lib/bpm-ide-common.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5/rdbms/jlib/xdb.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5\integration\esb/lib/ide.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5\integration\esb/lib/javatools.jar"/>
    <code-source path="D:\product\10.1.3.1\OracleAS_5\integration\esb/lib/xmleditor.jar"/>
    <import-shared-library name="oracle.dms"/>
    <import-shared-library name="oracle.jdbc"/>
    <import-shared-library name="oracle.xml"/>
    <import-shared-library name="oracle.jwsdl"/>
    <import-shared-library name="soap"/>
    <import-shared-library name="oracle.ws.client"/>
    <import-shared-library name="oracle.toplink"/>
    <import-shared-library name="apache.junit"/>
    <import-shared-library name="oracle.db.lite"/>
    <import-shared-library name="apache.commons.logging"/>
    <import-shared-library name="oracle.cache"/>
    <import-shared-library name="apache.commons"/>
    <import-shared-library name="apache.slide"/>
    <import-shared-library name="apache.jdom"/>
    </shared-library>
    2. Restart the container to make sure that server.xml was updated correctly.
    3. From the configtools.log file find the opmn port number, for example:
    deployer:oc4j:opmn://dimak.au.oracle.com:6012/home
    dimak.au.oracle.com - is the machine name and
    6012 - port number
    4. Launch a new command prompt
    and set path and classpath, for example:
    set PATH=$ORACLE_HOME\jdk\bin;%PATH%
    set classpath=.
    where in the classpath there is only one entry - the dot, which stands for the current directory.
    5. change directory to the following:
    $ORACLE_HOME\j2ee\home
    and run the following command (written all on one line) to deploy the DbAdapter:
    java -jar admin_client.jar deployer:oc4j:opmn://dimak.au.oracle.com:6012/test oc4jadmin
    manager1 -deploy -file $ORACLE_HOME\integration\esb\lib\DBAdapter.rar -deploymentName
    DbAdapter2 -parent default
    where
    * dimak.au.oracle.com should be substituted with your machine name
    * 6012 should be substituted with your port which you found in step 3
    * test is the name of the container you want to deploy the adapter to
    * manager1 should be substituted with your oc4jadmin password
    * $ORACLE_HOME\integration\esb\lib\DBAdapter.rar is the location of the DBAdapter.rar file
    * deploymentName DbAdapter2 - should be different from DbAdapter, as that name is already used in the OC4J_SOA container.

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