Changes in WebLogic 12.1.3 Every Administrator Must Know

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WebLogic 12c has evolved quite a lote since its first release (12.1.1). Now on 12.1.3 it has more to offer, optimizations for Exalogic, support of some Java EE 7 APIs and more.

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Changes in WebLogic 12.1.3 Every Administrator Must Know

  1. 1. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | Changes in WebLogic 12.1.3 Every Administrator Must Know Bruno Borges Principal Product Manager Oracle Latin America August, 2014
  2. 2. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | • Bruno Borges – Principal Product Manager, Java Evangelist – Oracle Latin America – @brunoborges – bruno.borges@oracle.com Speaker
  3. 3. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | Program Agenda 1. Installation, Patching, and Configuration 2. NodeManagers in WLS 12.1.3 and Beyond 3. High Availability 4. RESTful Management 5. Partial Java EE 7 Support in WLS 12.1.3 6. WebLogic New Features on Exalogic 7. A Reminder: Java Mission Control and Flight Recorder
  4. 4. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | Installation, Patching, and Configuration
  5. 5. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | • For Administrators – Oracle Universal Installer • OUI Generic Installer ~881MB – No console mode • Silent mode with “response file” • For Developers – ZIP for Developers ~190MB – OEPE Bundle Installer ~2GB WebLogic 12.1.2 and 12.1.3 – Installation
  6. 6. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | WebLogic 12c Silent Mode Installation with OUI $> cat oraInst.loc inventory_loc=/u01/oracle/.inventory inst_group=oracle $> java -jar fmw_12.1.3.0.0_wls.jar -silent -responseFile /tmp/response-file-wls1213.install -invPtrLoc /tmp/oraInst.loc -jreLoc /u01/jvm/java-7-oracle $> cat /tmp/response-file-wls1213.install [ENGINE] Response File Version=1.0.0.0.0 [GENERIC] ORACLE_HOME=/u01/oracle/home INSTALL_TYPE=Complete with Examples MYORACLESUPPORT_USERNAME= MYORACLESUPPORT_PASSWORD=<SECURE VALUE> DECLINE_SECURITY_UPDATES=true SECURITY_UPDATES_VIA_MYORACLESUPPORT=false PROXY_HOST= PROXY_PORT= PROXY_USER= PROXY_PWD=<SECURE VALUE> COLLECTOR_SUPPORTHUB_URL=
  7. 7. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | • Standardized on OPatch – $ORACLE_HOME/OPatch • Common commands: – apply – napply – lsinventory – rollback / nrollback • Applying a patch $> opatch apply $PATH_TO_PATCH_DIR WebLogic 12.1.2 and Beyond – Patching
  8. 8. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | • Use Configuration Wizard • In headless environments – WLST – Unpack – Maven – Last option: java weblogic.Server :-) • Known Linux issue – Set environment variable CONFIG_JVM_ARGS with -Djava.security.egd=file:/dev/./urandom Domain Configuration
  9. 9. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | Domain Configuration Wizard Hidden Gem for Devs • New Configuration Settings export CONFIG_JVM_ARGS=-Dcom.oracle.cie.config.showProfile=true $WL_HOME/common/bin/config.sh
  10. 10. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | NodeManagers in WLS 12.1.3 and Beyond
  11. 11. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | NodeManager • Per-Host Configuration – Multiple Domains enrolled for one NodeManager instance in a Machine Machine Domain A Domain B Node Manager ServerA1 ServerA2 ServerA3 ServerB1 ServerB2 Admin Console WLST Admin Console WLST
  12. 12. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | NodeManager • Per-Domain Configuration – Multiple NodeManagers in same Machine – One Domain only per NodeManager – Easier setup; works with (un)pack Machine Domain A Domain B DomainA Node ManagerServerA1 ServerA2 ServerA3 ServerB1 ServerB2 Admin Console WLST Admin Console WLST DomainB Node Manager $DOMAIN_HOME/bin/startNodeManager.sh $DOMAIN_HOME/nodemanager/nodemanager.properties
  13. 13. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | Upgrade Path for NodeManagers Node Manager Upgrade Paths From 12.1.2 or Earlier From 12.1.2 or Greater Per-domain to per-domain Not available Not available Per-domain to per-host Not available Not supported Per-host to per-domain Supported Supported Per-host to per-host Manual Manual
  14. 14. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | Reconfiguration Wizard / WLST • If existing configuration is per-domain, wizard automatically updates config to work in 12.1.3 without any input by user • If is per-host, then shows Node Manager configuration page. User is required to define extra parameters cd $WL_HOME/common/bin ./reconfig.sh readDomainForUpgrade(‘/u01/domains/wlsadmin’) cd(‘wlsadmin’) updateDomain() closeDomain()
  15. 15. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | High Availability
  16. 16. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | Dynamic Clusters Recap Simplified Configuration with Scalability and Elasticity Simplified Initial Cluster Configuration Deliver Next Generation Applications with a Mission Critical Cloud Platform Simplified Operations for Cluster Scale Out Server 1 Dynamic Cluster 1 Server 2 Server Template Server 1 Dynamic Cluster 1 Server 2 Server Template Server 3 Server 4 Server 5 Server 6 Server 7 Server 8
  17. 17. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | WebLogic Server 12.1.3 – Cloud Scale Management Dynamic Clusters Update Oracle Confidential – Internal/Restricted/Highly Restricted 18 • WebLogic 12.1.2 dynamic clusters support JMS • WebLogic 12.1.3 adds Whole Server Migration support • Roadmap for providing ASM, UOO, SAF in 12cR2 Simplify Configuration of HA JMS Clusters Dynamic Clusters
  18. 18. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | Whole Server Migration for Dynamic Clusters
  19. 19. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | RESTful Management
  20. 20. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | REST Management • REST is practical – Does not require any software previously installed in any device – Standard, lightweight, simple, and cross-platform to manage WLS • Works in the Cloud – Natural way to interface with systems hosted in the Cloud • Mobile – Easy to implement Mobile clients
  21. 21. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | Enabling RESTful Management Resources • On the Admin Web Console, select Domain, click Advanced, and choose “Enable RESTful Management Services” • Or use WLST: connect(‘weblogic’, ‘Welcome1’, ‘host01’) edit() startEdit() rest=getMBean(‘RestfulManagementServices/’ + domainName) rest.setEnabled(true) activate()
  22. 22. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | Executing REST Requests $ curl –v --user weblogic:Welcome1 -H X-Requested-By:MyClient -H Accept:application/json -X GET http://host01:7001/management/wls/latest Path Description /configManager Manages the administration edit session /datasources Manages Data Sources /servers Manages servers /deployments Manages application deployments /jobs Lists all running tasks in domain /targets Lists all servers/clusters in the domain
  23. 23. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | Modifying Data Sources through REST $ curl -v --user weblogic:Welcome1 -H X-Requested-By:MyClient -H Accept:application/json -X OPTIONS http://host01:7001/management/wls/latest/datasources > dsopt.txt $ curl -v --user weblogic:Welcome1 -H X-Requested-By:MyClient -H Accept:application/json -H Content-Type:application/json -D '`cat dsopt.txt`' -X POST http://host01:7001/management/wls/latest/datasources • Extract information about datasources into ‘dsopt.txt’ • Modify file and upload back to the Admin server to apply changes
  24. 24. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | Deleting a Data Source through REST $ curl -v --user weblogic:Welcome1 -H X-Requested-By:MyClient -H Accept:application/json -X DELETE http://host01:7001/management/wls/latest/datasources/id/MyDataSource-0
  25. 25. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | Partial Java EE 7 Support in WLS 12.1.3
  26. 26. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | Partially Supported APIs • Enabled by default – WebSockets 1.0 – JSON-P 1.0 • JAX-RS 2.0 – Defaults to JAX-RS 1.1 (Java EE 6) – By deploying jax-rs-2.0.war shared library – Then referenced by applications • JPA 2.1 – Defaults to JPA 2.0 (Java EE 6) – By adjusting commEnv.sh PRE_CLASSPATH • Or apply patch 17814796 (MOS; OPatch) – Application persistence.xml must set JPA version = 2.1 PRE_CLASSPATH=$MW_HOME/oracle_common/modules/javax .persistence_2.1.jar:$MW_HOME/wlserver/modules/com.oracl e.weblogic.jpa21support_1.0.0.0_2-1.jar <weblogic-web-app> <library-ref> <library-name>jax-rs</library-name> <specification-version>2.0</specification-version> </library-ref> </weblogic-web-app>
  27. 27. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | WebLogic New Features on Exalogic
  28. 28. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | • 4 to 30 Compute Nodes – Intel 2.7GHz Xeon 12-core • 1 TB to 7.5 TB RAM (256 GB each node) • ZFS Storage 80 TB • InfiniBand Gateway 40Gb/s • Oracle Fusion Middleware • Cloud Management Control • Optimizations Oracle Engineered Systems – Exalogic X4-2
  29. 29. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | Replicated Store for WebLogic on Exalogic
  30. 30. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | Replicated Store for WebLogic on Exalogic
  31. 31. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | Cooperative Memory Management • WebLogic Servers react to work overload by reading memory usage in a machine • Reactions may be – Reducing cache sizes – Compressing in-memory data – Rejecting new work • Servers recover gracefully as system improves
  32. 32. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | JDBC Statement Cache Adapting -Dweblogic.jdbc.cmm.statementCacheWeights= 1=10,2=10,3=10,4=10,5=10, 6=10,7=10,8=10,9=10,10=10
  33. 33. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | JDBC Statement Cache Adapting -Dweblogic.jdbc.cmm.statementCacheWeights= 2=20,4=20,6=20,8=20,10=20
  34. 34. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | Data Source Connection Shrinking • Memory Pressure Default Threshold • When memory pressure hits configured threshold an event is fired and pool is shrinked • When goes above another event is fired to shrink connection pool again • How to configure (CMM must be enabled; see doc) -Dweblogic.jdbc.cmm.shrinkThreshold=[0-10]
  35. 35. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | Java Mission Control and Flight Recorder
  36. 36. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | • Tool to monitor Java processes in real time • Bundled with Oracle JDK >= 7u40 • Access to Local and Remote JVMs – Secured access feature available • Run ‘jmc’ Mission Control
  37. 37. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | Flight Recorder • Circular Flight Recording Buffer – Minimum overhead; – user defined size/age • JVM Event Producer • WebLogic Event Producer (WLDF) • Custom Event Producers • How to enable -XX:+UnlockCommercialFeatures -XX:+FlightRecorder • How to invoke on demand $ jcmd 5368 JFR.start duration=60s filename=myrecording.jfr
  38. 38. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. | Safe Harbor Statement The preceding is intended to outline our general product direction. It is intended for information purposes only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. The development, release, and timing of any features or functionality described for Oracle’s products remains at the sole discretion of Oracle.
  39. 39. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. |

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