presentation 110408103330 phpapp01

7/28/2019 Presentation 110408103330 Phpapp01

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Migrate to Oracle WebLogic Server 11g

Lukasz Romaszewski

ISV Migration Consultant

Oracle


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ISV Migration Center Team

Who we Are ISV Migration Center Team is a team of senior technical consultantsbased in Eastern and Central Europe and represents Oracle's technical investment

for partners.

Mission Statement Enable partners to rapidly and successfully adopt andimplement Oracle latest technology

What do we Offer Whether you are selling Oracle technology, building business

solutions, including hosted Internet solutions or providing system integration andimplementation services for Oracle technology, IMC Team can help you succeed.

How can we assist We offer a wide range of free services for partners such asone2one assistance, webinars, seminars and hands-on workshops.

For more information, visit the IMC website.

Contact: Ruxandra Radulescu, [email protected]

ISV Migration Center Manager, Eastern & Central Europe and CIS
http://www.oracle.com/partners/en/most-popular-resources/027930http://www.oracle.com/partners/en/most-popular-resources/027930http://www.oracle.com/partners/en/most-popular-resources/027930


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Agenda

Introduction to the Oracle WebLogic Server 11g

Migration Process overview

Migrating from iAS 10g SmartUpgrade utility introduction

SmartUpgrade Demo

Migrating from other JEE application servers Understanding potential caveats

Using WebLogic classloader mechanism to isolate application

Shared libraries overview

Migrating Oracle Fusion Middleware components (Forms&Reports,

ADF, SOA etc)

Summary

Q&A


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Agenda




SmartUpgrade Demo





ADF, SOA etc)

Summary

Q&A


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Oracle Fusion Middleware

Application Server, TP Monitor, Java VM, Grid


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Oracle Fusion MiddlewareRuns on the WebLogic Suite

Cost, Power,Hardware Efficient

Risk-free Scale-upand Scale-out

Higher performance and reliability

Coherence EE

JRockit Real Time

WebLogic Server

Java EE: Reliability, Availability, Scalability & Performance

High Performance, Reliable, Scale Out for Java, C++ and .NET

High Performance JVM with Extreme Low Latency

WebLogic Suite

EnterpriseManag

er

AdminandOperations

D

evelopmentTools

Jdeveloper/Eclipse

Java EE/ISVApps

SOA

Suite

WebCenterSuite

Content

ManagementSuite

Identity

ManagementSuite

Business

IntelligenceSuite


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WebLogic ServerJava EE 5.0 and Java SE 6.0

Standards Compliant

Certified JEE 5.0 Compatible Latest version: JPA 2.0 & JSF

2.0 compliant

High Performance

Advanced Security

Enterprise Messaging

Web Services

Integrated Operations &Administration

Integrated, ProductiveDevelopment Tools

Open Source CertifiedJava EE Management 1.1

Java EE Deployment 1.2

JMX 1.2

JTA 1.1

JCA 1.5

JNDI 1.2

JMS 1.1

JAX-WS 2.1EJB 3.0

Servlet 2.5

JSF 1.2, 2.0

JSP 2.1

JDBC 4.0

5.0Java EE

6.0Java SE

Java Standard Support


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8

WebLogic Server InfrastructureJava EE 5, Persistence, Messaging and Web Services

Middleware Administration Server

WebLogic Kernel Reliability, Availability, Scalability, Performance

WebLogic Server

Oracle Fusion Middleware and Oracle Applications

EJBBusiness

LogicPOJO

JSF/ServletWeb 2.0

JMSMessaging

JCA

Connectivity

WebServices

Connection

Pooling

Persistence

InfrastructureTransactions

Protocol

Handling

SecurityWorkload

Management

IdentityManagement

Suite

BusinessIntelligence

Suite

ContentManagement

Suite

SOASuite

WebCenterSuite

Java EE/ISVApps


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WebLogic JMS ExtensionsDesigned to Scale to the Most Complex SOA Integrations

Unit of Order Messages tagged with same Unit of Order

(UOO) are processed in order

Stronger ordering semantics than the JMSspecification

Unit of Work Messages are grouped with a group

identifier Messages at final destination become

available only when entire group arrives

Store and Forward Messaging

Store messages on local server andforward to remote server when available

Store and forward for clients to server and

server to server Distributed Destinations All queues and topics in a cluster appear

as a single logical destination to clients

Provides high availability and scalability;parallel processing and load balancing

1 2 3 4 5 6 7 8 9

MDB 1 MDB 2 MDB 3

Messages red and grey have separate UOO

Message 3/4 not processed until 1/2 processed

Producer 2

1

3 MDB 2

MDB 1

MDB 323 1

WebLogicForward when

Target Available

WebLogic

JMS ServerJMS Server

WebLogic Cluster

JMS Server JMS Server

JMS Server JMS Server

Client

Logical

Destination


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Running on the Worlds FastestJava VM

Complete implementation of Java

100% compatible with the Java

SE and bug compatible with the

Sun Java implementation

Underpins Oracle Fusion

Middleware product stack One-stop shop for support issues

Optimized stack

Architected and optimized for

server-side Java

High Performance

Typical benefit is ~20% over Sun

Java VM based on benchmarking

Customer feedback & surveys

* Oracle JRockit has been used for all world record SPECjbb2005 publications since Q2 2006. Best results based on Sun, JRockit and IBM as ofSeptember 8, 2008 are (bops/bops per JVM): Sun Fire E25K (2105264/29240), SGI Altix 4700 (5180451/80945), IBM Power 595 (3435485/107359).

For full details see http://wws.spec.org. SPEC and SPECjbb2005 are trademarks of Standard Performance Evaluation Corporation.

0

50000

100000

150000

200000

250000

2P Opteron 2220 4P Opteron 885 2P Intel X5355

SPECjbb2005bops

Sun JVM

JRockit JVM

Response times (DC1)

0

10

20

30

40

5060

70

80

90

100

110

120

130

140

0 200 400 600 800 1000 1200 1400

Time (s)

Responsetime(ms)

JRockit Sun
http://wws.spec.org/http://wws.spec.org/http://wws.spec.org/


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With Near Zero Application Pause TimesJRockit Real Time

Guaranteed maximumresponse times

Java EE applicationsconsistently under 100mspause times

Java SE tuned can be single-digit ms pause times

Deterministic QoS underheavy load

No code re-writes

Remove weeks of tuning with

simple declarative setting Deterministic setting

Pause time target

Traditional Java VM Stop the World Pauses

JRockit - < 10 msPause


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Application Development FrameworkMVC Development Framework

Device &Browser

Adaptation

JSF Components Ajax & DHTML

Flash

JSF Page Flow JSR 227 Data

Binding

O-R Mapping EJB 3, JPA

Device View Controller Model


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WebLogic Server Diagnostics

WebLogic DiagnosticsFramework

Built into the server

Real time diagnostisics foradministrators

Generate diagnostics dumps whenthresholds exceeded

Rich client-side UI (JFC/Swing)

JRockit Mission Control JVM diagnostics for JRockit JVM

Targeted at production environmentsfor developers

Application Diagnostics for

Java Diagnostics for non-JRockit JVMs

Targeted at production environmentsfor developers and administrators


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Oracle Coherence Data Grid

Provides a reliable data tier with a

single, consistent view of data

Independent of yet integrated with

database and application server

Enables dynamic data capacity

including fault tolerance and loadbalancing

Ensures that data capacity scales

with processing capacity

Data Services

MainframesDatabases

EnterpriseApplications

Real Time Clients

Web services

OracleCoherenceData Grid

Web services


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Scaling WebLogic with CoherenceArbritrary Clients Java, .NET, C++

C++, .NET, Word, Excel, Visual Basic

Coherence (Java)

Named Cache

Coherence (Java)

Named Cache

Coherence (Java)

Named Cache

Coherence (Java)

Named Cache

WebLogic Machines

WebLogic Cluster

Managed WLS

Application

Coherence Client

Managed WLS

Application

Coherence Client

App Machines

Java Applications

Java/JEE Container

Application

Coherence Client

Cache Store Cache Store Cache Store Cache Store

App Machines

Applications

.NET, C++

Application

Coherence Extend

Synchronous/AsynchronousSynchronous/Asynchronous

Coherence (Java)

Named Cache

Cluster Service

Cache Store


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Agenda




SmartUpgrade Demo





ADF, SOA etc)

Summary

Q&A


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Migration To Oracle WebLogic Server 11g

First make sure you understand the WebLogic

Server architecture and topology

Analyze your current installation and create

target WebLogic environment (domain(s),instances, clusters, datasources etc.)

Migrate your application

Deploy the application on WebLogic Server

Test, tune, make necessary adjustments...


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Oracle WebLogic Server 11g Topology

Admin Server

Managed Servers

config.xml

Admin Console


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Some important facts about WebLogic

topology...

A Weblogic Server instance is always part of a Weblogic Server

Domain (no standalone instances)

A Weblogic Server Domain is managed, configured, and

monitored by an Administration Server

A Weblogic Server installation can be used to configure multiple

domains

A Weblogic Server instance always runs as a single Java VM

process

A Weblogic Server instance by default uses only one single port

(7001) for all type of requests A Weblogic Server instance does not support AJP, only pure

HTTP


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Agenda




SmartUpgrade Demo





ADF, SOA etc)

Summary

Q&A


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Oracle Strategy for custom Java EE

Applications

Comprehensive Documentation

OC4J to WLS Upgrade White PaperAvailable under NDA

Upgrade Guide for Java EE With OFM 11gR1 release

WebLogic SmartUpgrade

Enables OC4J customers to systematically upgrade their

custom Java EE applications to WebLogic Server

Professional Services Offerings

ISV Migration Center

Oracle Consulting Oracle Partners
http://ias.us.oracle.com/pls/portal/url/ITEM/63F4C02186F611D5E044080020E8C187http://ias.us.oracle.com/pls/portal/url/ITEM/63F4C02186F611D5E044080020E8C187


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OC4J Features available in WebLogicJava Required Files

Security Diagnostics MDS TopLink ADF JMX FramewrkJava Required Files

WebLogic Server/WebSphere/JBoss

Oracle Fusion Middleware and Oracle Applications

Identity

Management

Suite

Business

Intelligence

Suite

Content

Management

Suite

SOA

Suite

WebCenterSuite

Java EE/ISVApps


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Understand OC4J and

WebLogic Server

Conceptual Differences

Project Planning Project Development Project Verification and

Rollout

Assess Required

Adjustments to

Administrative Processes

Upgrade Application

Create Target Development

Environment

Upgrade Application Clients

Create Target Quality

Assurance Environment

Create Target Staging and

Production Environments

Custom Java EE Application Upgrade

Oracle Documentation

WebLogic SmartUpgrade


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OC4J vs WebLogic - Topology Comparison


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Agenda




SmartUpgrade Demo





ADF, SOA etc)

Summary

Q&A


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Application Artifacts

WebLogic SmartUpgrade Design

Container

Configuration

JDeveloper

Interface

- EnhancedFindings

Management

Analysis Engine

Input To

Uses

PDD

Analysis

Code

Analysis

- JSP

- Java

Container

Config.

Analysis

Generates

PDD

Rules

Code

Rules

Container

Config.

Rules

Knowledge Base

WebLogic PDDs

Generates

JDev

Project

Command

Line Interface

Report

- Findings

- Scoping Metrics

JDev

Project

JAR, WAR,

or EAR

Source

Directory

OC4J JEE

Instances


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WebLogic SmartUpgrade MethodologyApplication Level

1. (Re-) Runfindings report

2. Compare metricsagainst previous runs

track to project benchmarks

3. Analyzefindings

4. Archive

findings forcomparison afterchanges applied

6. Take action onnon-automated

findings andupdate project

5 Accept findingscode/PDD/script

generation

Iterative

upgrademethodology

managedby upgrade

metrics

OC4J Application& OC4J Container

Configuration

WebLogic Applicationand WebLogicConfiguration


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WebLogic SmartUpgrade Knowledge

Base - Categories

api

Application code is importing APIs which fall within any

of the following categories

Public Oracle APIs

Private Oracle APIs Known 3rd Party APIs

classloading, cluster, data-source, ejb, jca, jms,

jmx, jndi, jsp, jta, rmi, security, web, web-services

Application and OC4J instance configuration targetedknowledge


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SmartUpgrade JDeveloper Interface


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Agenda




SmartUpgrade Demo





ADF, SOA etc)

Summary

Q&A


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SmartUpgrade Demo


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Agenda




SmartUpgrade Demo





ADF, SOA etc)

Summary

Q&A


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Migrating JEE application to WebLogic

Analize your application uses EJBs, what version?

uses JMS, MDBs?

uses third-party libraries (e.g. Hibernate, Spring, etc.)?

uses vendor-specific APIs (e.g. JBoss Cache)?

Create WebLogic-specific deploymentdescriptors: weblogic.xml

weblogic-ejb-jar.xml

weblogic-ra.xml weblogic-application.xml

Try deploying your application...


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Agenda




SmartUpgrade Demo





ADF, SOA etc)

Summary

Q&A


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Migrating JEE application to WebLogicthings to remember

Always make EAR archive you gain muchmore configuration options

Identify any third-party libraries and package

them into the EAR archive (/lib or /APP-

INF/lib)...

... or deploy them as shared libraries and

reference from your application

Set filtering classloader to isolate yourapplication classes (solves most of the

ClassNotFoundException problems)


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Migrating JEE application to WebLogicthings to remember cont.

If you encounter NullPointerException relatedto

getServletContext().getRealPath()

set the following option: .war

WEB-INF

weblogic.xml

true


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Agenda




SmartUpgrade Demo





ADF, SOA etc)

Summary

Q&A


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How Java loads classes

Is Classloaded?

Ask ParentClassloader

Check myclasspath


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Class Loading in JEE

Applications e.g. .ears run each have their own Class

Loaders which are usually children of the System

Class Loaders

Closely related to deployment architecture

Why? Among the many reasons:

Needed to support dynamic redeployment

Application isolation e.g. different version of Log4J in

app1.ear and app2.ear


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Example of classloader hierarchy in

WebLogic Server

System Class Loader

WebLogic Server

App1

myejb1.jarmyeb2.jar

mywar1.war

mywar2.war

App2

myejb3.jar

mywar3.wa

r


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Module

Loader

Loads classes in EARsand any libraries

referenced by the EAR

lib/*.jar,

APP-INF/classes/**.class,

APP-INF/lib/*.jar

MANIFEST classpath

Does not load classes.Prevents classes from

being loaded from systemif they match the filter-list

Module

Loader

Module

Loader...

Application

(EAR application & EAR library classes )

Filtering(filter-list barrier)


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JSPJSPJSP

WEB-INF/classes/**.class,

WEB-INF/lib/*.jar

MANIFEST Classpath

Each J SP is loaded in itsown classloader to enable

refresh

All tag files are loaded intheir own classloader toenable refresh

Web Application

(webapp & webapp-library classes )

Tag

(tag files WEB-INF/tags/*.tag etc.)


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Filtering Classloader

Load classes from application first (changes

the delegation)

Works as a barrier.

Does not load classes itself.

prefer-application-packages can be

configured at the application level.

Can be used in scenarios where application

needs to use a different version of aframework already bundled with the server

(e.g. log4j, spring, xml parsers etc)


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Filtering Classloader - configuration

.ear META-INF

application.xml

weblogic-application.xml:

org.apache.log4j.*

org.aspectj.*

org.springframework.*

org.apache.commons.*

antlr.*


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Agenda




SmartUpgrade Demo





ADF, SOA etc)

Summary

Q&A


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Now for Some Complexity

Shared Libraries used extensively by OracleApplications

JRF, ADF, APPLCORE, etc

Reuse Classpath definitions and jar files

Includes a version scheme E.g. Log4J 1.0.4

Applications explicitly declare a dependency on shared

libraries

Understanding Shared Libraries is critical to avoiding

Class Loader related issues


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Major Differences Between WLS and

OC4J Shared Libraries

WLS does not offer a hierarchical deployment model

OC4J Shared Libraries run in their OWN Class Loaders

Reduced footprint

Only JARs supported

Classes in Shared Libraries resolved via search policy WLS Shared Libraries EXPORTS the classpath to the

importing application

Supports .ear, .wars and .jars

Merges Deployment Descriptors into the importing

application Scope is controlled by the scope of the reference

weblogic-application.xml vs weblogic.xml


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Application shared libraries

my-web-1.war

my-ejb-1.jar

my-web-3.war

App-1.ear

my-web-2.war

my-ejb-2.jar

App-2.ear

my-web-1.war

my-ejb-1.jar

App-1.ear

my-web-3.war

my-web-2.war

my-ejb-2.jar

App-2.ear

my-web-3.war

App-lib.ear

Deployment view

Runtime view


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Webapp shared libraries

WEB-INF/web.xml

WEB-INF/lib/x.jar

foo.jsp

bar.jsp

webapp-1.war

WEB-INF/web.xml

WEB-INF/lib/y.jar

a.jsp

b.html

webapp-lib.war

WEB-INF/web.xml*

WEB-INF/lib/x.jar

WEB-INF/lib/y.jarfoo.jsp

bar.jsp

a.jsp

b.html

webapp-1.war

Deploym

entview

Runti

meview

J lib i


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Jar libraries

my-web-1.war

my-ejb-1.jar

library.jar

App-1.ear

my-web-2.war

Jar files and Jar libraries can be referenced from

applications (EAR, WAR, JAR) via MANIFEST classpath or

descriptors.

Sh d lib fi ti


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Shared library - configuration

.ear META-INF

application.xml

weblogic-application.xml:

...

adf.oracle.domain

11.1.1.2

...

A d


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Agenda




SmartUpgrade Demo





ADF, SOA etc)

Summary

Q&A

O l FMW U d T lJDeveloper Upgrade


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Oracle FMW Upgrade Tools

Upgrade Assistant forSOA, IDM, Forms,Reports, Discoverer,and Portal EnvironmentUpgrades

WebLogic SmartUpgradefor Upgrade of OC4J Java

Applications andEnvironments toWebLogic Server

JDeveloper UpgradeWizards forSOA, WebCenter, and ADFApplication Upgrades


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Questions & Answers


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[email protected]

[email protected]

Please dont hesitate to contact me

or Ruxandra Radulescu for any questions

regarding migration projects
mailto:[email protected]:[email protected]:[email protected]:[email protected]:[email protected]

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