What You Should Know About WebLogic Server 12c (12.2.1.2) #oow2015 #otntour2016
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Transcript of What You Should Know About WebLogic Server 12c (12.2.1.2) #oow2015 #otntour2016
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WebLogicServer12c:WhatYouShouldKnow12ThingsaboutOracleWebLogicServer12.2.1
OTNAPAC/LatAm Tour
Dr.FrankMunzmunz &more
DaveCabelusOracleWebLogicServerProductManagement
2016
OracleConfidential– Internal/Restricted/HighlyRestrictedCopyright©2015,Oracleand/oritsaffiliates.Allrightsreserved.|
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Who’s that guy?
• Dr. Frank Munz
• Founded munz & more in 2007
• 15 years Oracle WebLogic and Middleware
• Consulting and High-End Training
• Three Oracle / Cloud books
• @frankmunz on Twitter2
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13 new things, still no agenda J
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#0... download today!
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#1
JDK 8
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JDK 8
• WebLogic 12.2.1 supports JDK 8 only as runtime• Startup scripts work out of the box
(permspace is removed in JDK 8)
• JDK 8u40 introduces resource managementused by WebLogic multitenancy with G1 GC
java -XX:+UnlockCommercialFeatures-XX:+ResourceManagement
munz & more #6
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#2
Java EE 7
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Java EE 7
Every developer wants to use it! improved standards / already in 12.1.3 / major new• EJB 3.2• Servlet 3.1• JDBC 4.0• WebSockets, JAX-RS 2.0, JSON-P 1.0 • Batch 1.0• JMS 2.0• Concurrency Utilities 1.0
Tip: Learn about Java EE 7
http://de.slideshare.net/glassfish/fifty-feature-of
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Java EE Recommendation
munz & more #9
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#3
Download &IDE Integration
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Download
Dev Download with small 209 MB footprint:
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IDE Support
munz & more #12
NetBeans 8.1 RC /Dev Build works with WebLogic 12.2.1
Eclipse net (and package) installer-> easy OEPE download & install
JDeveloper12.2.1 available for OFM 12.2.1
NEW! wlserver/server/bin/eclipse.sh
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#4
Console changes J
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Production Mode
You can revert production mode from console
munz & more #14
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#5
Deployment
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Parallel Deployment
WebLogic 12.2.1 provides parallel deployment
• Multiple applications
• Single application with multiple modules
• Applications across multiple partitions
munz & more
AcrossModulesinApplications
AcrossApplications
ParallelPrepare
Available inWebLogic11g
NewinWebLogic 12.2.1
ParallelActivate
NewinWebLogic 12.2.1
NewinWebLogic 12.2.1
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#6
Elastic Cluster
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Elastic Cluster
WebLogic 12.1.2: Dynamic Cluster configWebLogic 12.2.1: Elastic Cluster runtime
+ pre / post scalingcallout to scripts
munz & more #18
How to scale?• Console• WLST• REST• Policy/Action• Calendar based
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#7
JMS
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JMS
• JMS 2.0 support
• Elastic JMS scales with elastic cluster
• Simplified HA Configuration:WebLogic 12.2.1 JMS restrictions are removed
• Default CX-factory required per Java EE 7:java:comp/DefaultJMSConnectionFactoryresolves to weblogic.jms.XAConnectionFactory
munz & more #20
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#8
WLST
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New Command for Scaling
WLST command to scale dynamic cluster:
scaleUp/Down (clusterName, numServers, [updateConfiguration], [block], [timeoutSeconds],
) munz & more #22
How many servers to add or remove
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#9
WLDF
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WLDF
• Watches and notifications are replaced by policies and actions
• Additional 4 WLDF actions– scale up / down
– REST
– Script
• Diagnostic image files are .txt or .xml
• Prepackaged smart rules with configurable parameters
munz & more #24
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munz & more #25
Smart rules:
Predefined policieswith open parameters
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#10
RESTful Management
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Why REST?
• Simplicity
• Language agnostic
• No JVM on client side, no WebLogic <->JMX
• Easy to tunnel through firewalls: HTTP
• Current tech trend (eg. mobile dev)
munz & more #27
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RESTful Management
• New generic WebLogic implementation:Full support for all resources (also JMS etc.)
• RESTful management is turned on per default
• Available on admin and managed Servers
• Modelled after WLST structure(real MBean names not required)
• Used throughout WebLogic documentation
munz & more #28
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Tech Details 1
• domain|serverConfig, domain|serverRuntime, edit
• [exclude]fields=field1, field2• [exclude]links=none, links=rel• interaction=async-polling|sync
munz & more #29
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Tech Details 2
• URL format has changed:…/wls/… was WebLogic 12.1.3, now:/management/weblogic/latest/…
• Edit sessions implicit: POST in /editOr create manually with /edit/changeManager/startEdit|cancelEdit|activate
munz & more #30
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CRUDQ
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Read
Get server name and state of managed server with name surf1 via admin server
GET (e.g. via web browser)
http://localhost:7001/management/weblogic/latest/domainRuntime/serverLifeCycleRuntimes/surf1?links=none&fields=name,state
Response:{ "name": "surf1", "state": "RUNNING" }munz & more #32
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Create
Short way to create server surf7, with UNIX curl
curl –v --user weblogic:welcome1 \-H X-Requested-By:MyClient \-H Accept:application/json \-H Content-Type:application/json \-d "{ name: 'surf7' } "-X POST \http://localhost:7001/management/weblogic/latest/edit/servers
munz & more #33
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Create Form
Request create form
(note, WebLogic 12.1.3 used HTTP OPTION)
GET http://localhost:7001/management/weblogic/latest/edit/serverCreateForm
munz & more #34
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Update
Update server surf7, with curl
curl ...-d "{ listenPort: '9999' } "-X POST \http://localhost:7001/management/weblogic/latest/edit/surf7
munz & more #35
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Delete
Delete server surf7:
curl –v --user weblogic:welcome1 \-H X-Requested-By:MyClient \-H Accept:application/json \-H Content-Type:application/json \–X DELETEhttp://localhost:7001/management/weblogic/latest/edit/servers/surf7munz & more #36
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Query
Single bulk request queries to select and return specific subsets of tree.
POSThttp://localhost:7001/management/weblogic/latest/domainRuntime/search
munz & more #37
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#11
Docker
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WebLogicin a DockerContainer
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Virtualization vs. Isolation
munz & more #40
Linux+Docker
Hardware
a.war
Docker container inLinuxwithownFS,networkstack/IPaddress,processspaceandresourcelimits
Hardware
OVM/VmWare ESX/Xen
Appl 1Solaris
Appl 1Linux
Appl 1Win
ServerVirtualizationtype1hypervisor=onbaremetal
Hardware
VirtualBoxMacOS/Win
AppLinux
DesktopVirtualization:type2hypervisor=withhostOS
AppWin
AppWin
ejb.jar
y.jarx.py
JDKWebLogic
toolsJython
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Docker
munz & more #41
Linux+Docker
Hardware
a.warejb.jar
y.jar
x.py
JDK
WebLogic
tools
Jython
Docker is not a lightweight VirtualBox- it's about isolation.
Containers run on Linux kernel of host
-> Containers are visible on host
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Docker Container
• Isolated runtime of Docker image
• Starts up in milliseconds
• Sandboxing uses Linux namespaces and cgroups-> isolated part of your Linux
• Open Container Standard / Linux Foundation
docker run -d –p 8080:9999 fmunz/micro
munz & more #42
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solves the “Worked For Me!” issue
munz & more #43
OStools,JDK,patches,database
driver,libs,appserver,domain,deployment,tools,
scripts
Docker
OSutils,JDK,patches,databasedriver,libs,appserver,domain,deployment,tools,scripts
Integration,Performance,Acceptance
Testing
Production
dockerize it!
You can pass environment variables for specific settings e.g. in prodDocker Registry
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what should be your biggest nightmare:
unknown and unofficial images(>14000)
Docker Registry
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What Do You Get?
• NOT WebLogic from Docker registry
• NO automatic build via github
• Github repo with scripts to set up WebLogic on Oracle Linux in Docker
• Dev or generic distribution
• Docker is a supportedenvironment forWebLogic 12.2.1 / 12.1.3
munz & more #45
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OracleProduct inDocker OfficialSupport
GlassFish
MySQL yes
NoSQL
OpenJDK
OracleLinux yes
OracleCoherence yes
OracleDatabase (dev)
OracleHTTPServer yes
OracleJDK yes
OracleTuxedo yes
#46^
Oracle support does not require you to use the provided Docker files
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Docker Style
• Independent, standalone WLS domain
• Microservices style architecture
• Just add your favorite Dockercluster manager
munz & more #47
OStools,JDK,databasedriver,libs,appserver,single
domain(adminserveronly),deployment,
tools,scripts
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Docker in the Cloud?
Supported by every major cloud provider:
munz & more #48
On premise -> all clouds
DockerRegistry
DockerContainerService
EC2ContainerService
GoogleContainerEngine
AzureContainerService
Bluemix Containers
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munz & more #49
Docker bookbyJ.Turnbull(Docker 1.8)
OracleWhitepaperWebLogiconDocker Containers
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Facts to Know
• Oracle supports WebLogic on Docker
• Docker networking is final now
• Docker cluster managers are still evolving:Docker Swarm, Kubernetes, Apache Mesos with Marathon, AWS ECS, CloudFoundry, etc.
munz & more #50
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#12
Multi Tenancy
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Domain Partitions
• Admin and runtime slice of domain• Partition has its own apps, security, JDBC
config etc.• Partitions can be started and stopped
individually• Partition can be exported / imported• Shared on same JVM, but separated
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Copyright©2015, Oracleand/oritsaffiliates.Allrightsreserved.|
KeyTechnicalConcepts
TrafficDirector
WebLogicServer
Partition1
VirtualTarget
App App JMS
DataSource
JNDI
Coherence
Service1 Service2 … ServiceN
Partition1
Database
Partition2
VirtualTarget
App App JMS
DataSource
JNDIPartition2
OracleConfidential– Internal 53
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Benefit: Isolation
Tenants within one domain have isolation
• Runtime: JDK, heap, CPU• Security: realm, user• Admin: life cycle, roles• Data / traffic: JNDI, JDBC, Coherence,
requests
munz & more / globalcollect 2016
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Separation
• HR and Finance can be separate partitionsin one domain
• Mercedes and BMW are probably not suitable for one domain
Technically partitions are not 100%isolated <-> Docker container, VMs
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Actions
Resource Consumption Manager: Boundaries for files, heap, and CPU + Actions
Actions:- Notify- Slow- Kill
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Not (yet) Supported
Other OFM products don't supportdomain partitionsalthough they on top of WebLogic 12.2.1
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#13
Zero Downtime(ZDT)
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Rolling Updates
• Rolling shutdown
• Rollout of new Java
• Rollout of patched ORACLE_HOME
• Rollout of patched apps
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You have to prepare
• JDKs
• Patched ORACLE_HOME
• JSON files for apps update
Rollout is orchestrated by admin server
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Rollout Oracle Home
https://community.oracle.com/docs/DOC-996731
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Workflow History
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How Does it Work?
JKD Upgrades changes the following files:
bin/setNMJavaHome.shbin/setDomainEnv.shinit-info/startscript.xmlinit-info/domain-info.xml
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#14
WebLogic in JCS
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Java Cloud Service
Java Cloud Service = JCS
• Oracle cloud offering for WebLogic • Talk to your partner manager for trial
account• If you never tried it, give it a go now
and evaluate your use case
munz & more #65
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munz & more #66
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munz & more #67
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munz & more #68
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JCS Summary
• Saves you install time• Nicely integrated with DB, ID etc.• Clone environments• ZDT patching• Automated Lifecycle
– For Java and DB cloud
• Continuous Integration / Deliver – Integration with Developer Cloud Service
-> speed up and modernize environments
munz & more #69
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Summary
1. JDK 8
2. Java EE 7
3. IDE
4. Console
5. Deployment
6. JMS
7. Cluster
8. WLST
9. WLDF
10. REST
11. Docker
12. Multi Tenancy
13. ZDT
14. Java CloudService
munz & more #70
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Copyright©2015, Oracleand/oritsaffiliates.Allrightsreserved.|
WhyUpgradetoWebLogic12cR2
71
WebLogicServer12cR1
• JavaEE6• Websockets (JavaEE7)• EmulationClient/Server-Sent
Events• JAX-RS2.0(JavaEE7)• JSON(JavaEE7)• LightweightZipInstaller
• DBIntegration• DynamicClusters/ElasticJMS• UnifiedManagement• RESTful ManagementAPIs• HAOptimizations• Coherence/Toplink integration• Mavenintegration
WebLogicServer12cR2
• JavaEE7• Quickinstallerfordev• JavaSE8
• Microcontainers/multitenancy• Multidatacenter/Continuous
availability• Automatedelasticityfor
DynamicClusters• CompleteRESTmanagement• Performanceimprovements
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tweet to win!
#otntour AND @soacommunity
@frankmunz
+picture?
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www.munzandmore.com/blog
facebook.com/cloudcomputingbookfacebook.com/weblogicbook
@frankmunz
youtube.com/weblogicbook-> more than 50 web casts
Don’t be
shy J