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  • ??????????/??????????????|WebLogic Channel|??????

    - by ???02
    WebLogic Server???????????????????????????????????????????????????????????????????????????1???????????????????????????????????????????????????WebLogic Server???????????????????????????????????????????????????????????????????????·?????????????????????·??????????????????????????????????????????????????2011?11????????Oracle DBA & Developers Days 2011??????????????????????????WebLogic Server??????????????????WebLogic Server???????????????????????????????????????????????????·?????????????????????????????2??????????????????????????????????????????????·??????????(???)?WebLogic Server??????????????????????　WebLogic Server????????????????????????????OS???JVM???WebLogic Server????????????????5????????????????WebLogic Server??????????????????????????????????????　????????·????????????????????WebLogic Server????????????????　?????????????????????????????????????Listen????????????????Listen????????Muxer??????????????·????·????????????????????????????????????????·????????????????·?????????????????????????????????????????????????????????????????????????????????JDBC?????????????????????????????????????¦???????????·??????????――?????·??????·???????????WebLogic?????　?????????????????????·?????????????????????????3????????????1????????·?????????????¦????????????! ?????????????????JRockit Flight Recorder?????????1??????????????――?????????????????　1??????????????????　???????????????????????????????????????????????????????·?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????　??????????????????????CPU??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????　??????????????????????????????????????????????????????????????????????????????????????¦????????????WebLogic Server - ???????·??????　????????????????????????WebLogic Server?????????????????????????????????????????????????????????????3???　??????????????????????????(????????)??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????　??3??????????????????????????????????????????????????????????????????????　????????????50~600???????????????100~500???????????????????????????????????????????????300??????????????????????200?400???????????????????????????　???50?100???????????????????????????????????????????????????????????????????????????????????????????500?600????????????????????????????????????????????????????????????????　??????????????????????????????50?100????????????500?600???????????????????100~500?????????????????????????????????????????200~400?????????????????????????????　???????????????????????????????????????????????????????????????????"????????"??????????????????????????JDBC?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????¦????WebLogic Server(JRockit) - ????????????????????????????????2???????????????――???????? ? ??????????????????　2???????????????????????????????????????????????????????????????????????????????????????????????????????????1???????????400??????(???????????????????????????????domain.xsd????????????????????????????????????????)?　???????????????????????????????????????????????????????????????????????????????????????????????????????????????????Dweblogic.SelfTuningThreadPoolSizeMin={???????}Dweblogic.SelfTuningThreadPoolSizeMax={???????}?????????????????<server>　　<name>MANAGED_SRV</name>　　<self-tuning-thread-pool-size-min>{???????}</self-tuning-thread-pool-size-min>　　<self-tuning-thread-pool-size-max>{???????}</self-tuning-thread-pool-size-max>　　...?...</server>　????????????????????????????????????????????????????????　??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????¦????????????WebLogic Server - ????????/????　?????1?????????????·???????????????????????????????????????????????????·??????????????????????????????????·?????????????0~2????????????????????????????????????????????????????????????????????????????????????????·???????????????????????????????????????????????????????????????????????????????????　??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????·???????????????????????????????????　???????????????????????????????????????????????????????????????????????????????????????????????????????????·????????????　???????????????????????????????????????????????????????????????????????·???????????????????????????????　????????????????WebLogic Server??????????????????????????????????????????????????????????????????????????????????????????????????????????????·??????????????　??????????????????????????2????????·??????????????????????2?????????????¦Oracle DBA & Developers Days 2011????????????????????WebLogic Server??????????????¦????·????Oracle WebLogic Server 12c Forum - ????????Java??????????? -??2012?1?25?13:30~17:00 ?? ????????????13F?????

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  • ????????WebLogic Server - Enterprise Grid Messaging |WebLogic Channel|??????

    - by ???02
    WebLogic Server????????????????????????????Enterprise Grid Messaging?????????? ?? ????????????????????????????????????????????????WebLogic Server?Java EE?JMS???JMS????????????JMS???????????????????????????????????????????????????????????????????????????????11gR1???Enterprise Grid Messaging????Oracle Advanced Queuing?Oracle RAC???????????????? ?????Enterprise Grid Messaging????????????????????????? ????¦WebLogic JMS????¦JMS??¦?????????¦?????????¦?????????????????¦Advanced Queue???? ???????????????????????????http://www.oracle.com/technetwork/jp/ondemand/application-grid/wls11g-egm-201107-otn-sc-439529-ja.pdf

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  • ????????WebLogic Server - ????????/????|WebLogic Channel|??????

    - by ???02
    WebLogic Server????????????????????????????WebLogic Server?????????/????????????????WebLogic Server ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????HTTP?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????¦????????·??????????·WebLogic Server 9.0?????????????·?????·????·??? ¦???????·??????????????·HTTP????????·??????????????·????????????????????????????????????????WebLogic Server - ????????/???? [??????]

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  • ????????WebLogic Server - ???????·??????|WebLogic Channel|??????

    - by ???02
    WebLogic Server????????????????????????????WebLogic Server????????·???????????????? ?????Web?????????????????????????????????????????????????????????????????Oracle WebLogic Server??Web?????????????????????????????????????????????????????????????????????????????????????? ????¦???????·????????¦Java EE????????????·????¦Java EE???????????????  - JSP/Servlet/EJB¦Java EE???????????¦JDBC/JTA/JMS¦WebLogic???????????¦????????- ?????- ??????????¦JVM????????????????????????????????WebLogic Server - ???????·??????[??????]

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  • WebLogic Server??????????????????????·??·??????????WebLogic Server?????????Oracle DB?????????????Oracle HTTP Server????????????????????????????????????????????? ???????????????????????????????????????! WebLogic Server11g (10.3.4)?????????

    - by ???02
    ??WebLogic Server??????????????????????·??·??????????WebLogic Server?????????Oracle DB?????????????Oracle HTTP Server????????????????????????????????????????????????????????????????????????????????????! WebLogic Server11g (10.3.4)?????????????Oracle WebLogic Server 11g???? Oracle WebLogic Server 11g R1????????? ?????????????　- ?????????????????????????????? Web?????????????OHS???WLST????? ????????  ??????????(PDF) http://www.oracle.com/technetwork/jp/ondemand/application-grid/wls11g-handson-1034-354365-ja.pdf????????????????????(ZIP)http://www.oracle.com/technetwork/jp/ondemand/application-grid/handson-app-354366-ja.zip

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  • ?Pick-Up???????WebLogic Server JDBC???·???????(10.3.4)|WebLogic Channel|??????

    - by ???02
    Oracle WebLogic Server JDBC???·???(10.3.4)?????????????????????????????????????????????????????    ¦Oracle RAC???????    ¦JDBC????????    ¦???·???·?????    ¦????????????    ¦??????????·?????    ¦????·??????????????Oracle RAC??????????????????????·???·????GridLink???·????????Oracle RAC?????????????    ¦ ???WebLogic Server???·????Oracle RAC????????????????Oracle RAC?????????????????????????    ¦Oracle RAC?????????????????????????          o????????????(FCF)          o????????·??????(RCLB)          o????????????    ¦?????·?????????XA??????????????????Oracle RAC???????????????????????????Oracle RAC???????????????????????    ¦Oracle????????·?????(SCAN)??????????  ??????????GridLink???·??????????·????·???????ONS????·??????SCAN?????????Oracle RAC??????????????????????????????????????????SCAN???????GridLink???·?????Oracle RAC???????????????????????????????????GridLink???·?????????????????JDBC????????JDBC??????WebLogic Server????????????·???????????????????·????GridLink???·??????????·???·?????????????????·?????????? > ????·??????????????????????????·???·????????·???·?????(???)????????????????????????·???·???????????????????????????????????·?????????????????????????????·???·?????????????????????????·??????????>????·???·????????????????????????????????????????????????Oracle???????????????·???·?????????????????????????????????????    ¦Oracle Net Sdp    ¦Oracle Dynamic Buffering    ¦Oracle Reduced Data Copies????????????????????????????????????????????????????Oracle?????????????????????????????·??????????????????·??????????????????·???????????????????????????·????????????????????·????????????????????????????·??????????????????????????????????????????WebLogic Server??????·????????????????????????????????????????????????????????????Oracle WebLogic Server MBean????????KeepConnAfterLocalTx???????????????¦????????¦Oracle Fusion Middleware Oracle WebLogic Server JDBC???·?????????JDBC API???????????????????????????????????????????????????????????????    *WebLogic JDBC???????    *JDBC???·??????    *GridLink???·??????    *JDBC???·???·??????    *WebLogic Server??Oracle RAC????    *WebLogic Server??JDBC????????    *WebLogic JDBC?????????    *WebLogic JDBC???????¦Oracle WebLogic Server JDBC????????  - Programming JDBC(10.3.4/??)  - Oracle WebLogic Server JDBC????????(10.3.3)     (??)10.3.4???????????????????????????    WebLogic Server????(10.3.4)WebLogic Server??JDBC API??????????????????¦Oracle WebLogic Server???4 JDBC????WebLogic ???4 JDBC?????????????????????¦Oracle WebLogic Server???????????WebLogic Server??????????????????¦Oracle WebLogic Server??????????????????????????WebLogic Server?????????????????????????????·??????

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  • ????????Oracle WebLogic Server ???????|WebLogic Channel|??????

    - by ???02
    WebLogic Server????????????????????????????WebLogic Server?????????????????WebLogic Server????????????????????????????????????Java??????????????????????????????????????????????????????????????¦Oracle WebLogic Server ?????????¦WebLogic Server???????¦?????????????????????¦?????????????¦???·??????¦WebLogic Server????¦WebLogic JDBC¦RAC??　?????????????????????????????http://www.oracle.com/technetwork/jp/ondemand/application-grid/wls11g-architecture-201107-otn-sc-439536-ja.pdf

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  • ????????Oracle WebLogic Server - JDBC??????|WebLogic Channel|??????

    - by ???02
    WebLogic Server????????????????????????????JDBC???????????????? ?? JDBC????????????????????(????????????)??????????????????????????????????????? ??JDBC?????????????????????????????????????????????(????DB?????DB???ID????????)????????????????????????????????????????????????????????????????????????????????? ¦JDBC????????¦WebLogic Server?JDBC??????¦WebLogic Server?JDBC?????????¦WebLogic Server?JDBC?????????¦WebLogic Server????????????¦WebLogic Server?JDBC??????????Oracle JDBC Driver?????¦WebLogic Server?JDBC????????????/????¦Appendix:???????????JDBC??????????????????????????????????????http://www.oracle.com/technetwork/jp/ondemand/application-grid/wls11g-jdbcdatasource-201107-otn-sc-439531-ja.pdf

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  • ??????30?????WebLogic Server 11g????|WebLogic Channel|??????

    - by ???02
    Oracle WebLogic Server 11g?????????????30?????????????No1??????????????????????????WebLogic Server??11g???????????????????????????ActiveCache?Real Operations?Enterprise Grid Messaging????11gR1?????????????????????????????????????????????????????????????????????? ???? ¦Oracle WebLogic Server 11g R1 ????¦Oracle WebLogic Server 11g R1 Update¦Real Operations¦Oracle TopLink 11g¦Multi Data Source¦Enterprise Grid Messaging(JMS)¦ActiveCache¦Web Tier Utilities(OHS,WebCache)¦???¦??? ??Oracle WebLogic Server 11g R1 ?? <??:?30?>http://otndnld.oracle.co.jp/ondemand/otn-seminar/fm/WLS11g/index.htmlhttp://www.oracle.com/technetwork/jp/ondemand/application-grid/wls11gr1-overview-265878-ja.pdf ??????????(????????)What's New in Oracle WebLogic Server 11g Release 1 (10.3.5)(??)http://download.oracle.com/docs/cd/E21764_01/web.1111/e13852/toc.htmOracle WebLogic Server11g ????1(10.3.4)????(???)http://download.oracle.com/docs/cd/E23549_01/web.1111/b55571/toc.htm

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  • ???????? ??·?????????????????????? Oracle WebLogic Server 11g|WebLogic Channel|??????

    - by ???02
    WebLogic Server????????????????????????????WebLogic Server?????????????? ??No1??????????????????????????WebLogic Server??Java??????????????????????????????????????????????·?????????????????????????? ??????WebLogic Server????????????????11g???????????????????? ????¦WebLogic Server???¦WebLogic Server 10gR3 ?????Update·?????????????WebLogic Server?????·??????????????WebLogic Server?????¦WebLogic Server 11gR1 ??????·?????????·Oracle????????¦??????????????????????????????http://www.oracle.com/technetwork/jp/ondemand/application-grid/wls11g-introduction-201107-otn-sc-439527-ja.pdf

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  • ????RAC??????????????????????????|WebLogic Channel|??????

    - by ???02
    ????????Oracle Database??????????????Oracle Real Application Clusters(RAC)????????????????????????????????????????????RAC????Oracle WebLogic Server????????????WebLogic Suite 11g?????????WebLogic Server/RAC???????Active GridLink for RAC????????????????????·??????????Frances Zhao?(Oracle Application Server ??????·?????·?????)???????????2??????????(???)?Exalogic???RAC?????WebLogic Suite???????　Oracle Fusion Middleware?????????WebLogic Server?????????????????????????????????????????????/?????????????????????????????????????Fusion Middleware??????Oracle Database???????????????????????????????????????????????　????????·???????????????????????????????????????????????????????????????????????Oracle Exalogic Elastic Cloud????WebLogic Server???????????????Exalogic???????????????????????????????????????????????????·?????????????????????????????????????????????????????????????????????????????　??Exalogic?????WebLogic Server?Oracle Database???????(RAC)???????????????????????Active GridLink for RAC????????????????RAC???????????????????????????????????????Active GridLink for RAC???????????WebLogic Server???????????·??????WebLogic Suite 11g????????????????????????????RAC???????????Exalogic????????????????WebLogic Server??RAC???????????RAC????????????????　Active GridLink for RAC?????????????????????Oracle Database(RAC)?WebLogic Server???????????????????????2???????????????????????????????????????????????????Active GridLink for RAC??????????????????????????????????????????????RAC Notification Service???????????????????????　Active GridLink for RAC???????????WebLogic Server????RAC?????????????????????????????????????????·????RAC?????????????????·???????RAC???????????????????????????RAC????????????????RAC???RAC??????????????????????????????????????????????????????????????　????Active GridLink for RAC???????????RAC??????????????1??????????????????WebLogic Server?Active GridLink for RAC????RAC???????????RAC?????????????????????????????????????????????????????RAC???????????????????????????????????????????????????????????????·????????????????????????????Active GridLink for RAC?????????????????·?????RAC??????????????????????Oracle Database/RAC?????????????????　??????????????????Oracle Database 11g R2??????????????Oracle Database???????????????????SCAN(Single Client Access Name)??????????????????RAC??????????????????????Active GridLink for RAC????????WebLogic Server?????????????????????????????????????????????Oracle Data Guard????????????????????????·??????????WebLogic Server?RAC???????????????????????　??Active GridLink for RAC????????????????????Oracle Notification Service??????????????????????·????????????????????????????????????????????????????????????????????????????????????Active GridLink for RAC?????????????????WebLogic Server Multi Data Sources?????????????????RAC??????????????????????Multi Data Sources??????????????????????????????????RAC???????????TCP/IP?????????????????????????????????????????????????　????Active GridLink for RAC?????Oracle Database?????????????Oracle Notification Service?????????????WebLogic Server???????????????????????????????????????????????????????????????????????????????????????Active GridLink for RAC?????Oracle Database/RAC????????????????????·???????WebLogic Server???????????????????????????????????Active GridLink for RAC???????????????????????

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  • ????????????????????????|WebLogic Channel|??????

    - by ???02
    ?Oracle WebLogic Server Enterprise Edition??????????????JRockit Mission Control??????OS??Web?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????JRockit Mission Control?????????????????????????????????????????Application Grid???????? ????????????????? ???(?????? Fusion Middleware?????? ?????????)??????????????????JRockit Mission Control?????????(???)??????????·???????????????JRockit Mission Control　????????????WebLogic Server Enterprise Edition??????????JRockit Flight Recorder?????????????????????????????OS??JVM?Java????????????WebLogic Server????????????????????　WebLogic Server Enterprise Edition???????JRockit Mission Control(JRMC)?????????JRMC?WebLogic Server??????????????????????????OutOfMemory????????????????????????????????????????????????????????GUI????????JRockit Flight Recorder???JRMC?1?????????????Flight Recorder???/???????????????/????JRMC??GUI??????????????????　?????????WebLogic Server????????JRockit Mission Control?JRockit Flight Recorder?????????????????????????????????????????????????JRockit Mission Control???????????????――??????WebLogic Server??????????????????????????????????????????????????JRockit Mission Control?????????????????????????????????????????????????????????????????????????????????????????????????????WebLogic Server?JRockit Mission Control??????????????????????????????: ?????????! ?????????????????JRockit Flight Recorder???????????????????????????　?????????????A??????????????????????????????????·?????????????????????????????Oracle WebLogic Server????????????????????????????????????????·???????Oracle Coherence?????????　?????????????????????????????????????????????????????????????????????????????????CPU?????????????·???????????????????CPU??????????????????????????????????????　??????????????????????WebLogic Server?Oracle Coherence???????????????JVM????·????????????????????????????????????????????　?????????????????????????JRockit Flight Recorder?????????????????????????????????????JRockit Mission Control??????????????　?????????Oracle Coherence??????????????????Java Sleep?????????????????　JRockit Mission Control???????Java Sleep????????????????????????????????????????????????????????JRockit Mission Control??????????????Java Sleep??????????????????????Oracle Coherence???????????　???????Coherence??????????????????Coherence????????????????????????????????????Java Sleep??????????????????????　?????????????????????????????????????????????Coherence???1?????????????????????Coherence??????????????????????????????????　????????????????????????Oracle Coherence??????????????????????????????????????????????????????????JRockit Flight Recorder?JRockit Mission Control??????????????????????????????????????????????????Java????????????????????????????????????????????????????????????????????????????　????JRockit Mission Control?????????????API????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????JRockit Flight Recorder?JRockit Mission Control???????????????????????????????????WebLogic Server????????????????????????????????????　?????????JRockit Flight Recorder?JRockit Mission Control???????????????2???????????????Pick-Up???????????JVM?JRockit????????·???????Oracle JRockit ???????·??????·?????????JVM????????????????????????????????????????????????????????????Pick-Up???????Oracle JRockit????·????????Java?????????????????????????????????- ????????????????????????????????????????- ???????????????????????????????????????????????JRockit????·?????????????????????????????????????

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  • ?????????OutOfMemory?????????????????|WebLogic Channel|??????

    - by ???02
    WebLogic Server Enterprise Edition????????????JRockit Mission Control????????????????????????????????????????????????????????????????????????????????Application Grid???????? ????????????????? ???(?????? Fusion Middleware?????? ???????????)??????????????????JRockit Mission Control?????2?????(???)????????????OutOfMemory????????　Java????????????????????1????????????????????????OutOfMemory?????????????·??????JVM????????????????????????????????????????????????B?????OutOfMemory????????????　B????????????????·?????????????????????????WebLogic Server???????????????OutOfMemory???????????????????????????????????????????????????????????????????????????????????????????????????????　????B???????????????JRockit Mission Control?1??????Memory Leak Detector?????OutOfMemory???????????????Memory Leak Detector?Java????????????·???????????????????????????????????????????????????????????????????????????????????????????????????????　Memory Leak Detector?????????????????????????????????????(byte[])???????????????????????????????????·??????(GC)????????????????????????????????　????????????????????????????????????????????????Memory Leak Detector????·??????????·??????????????????????????????????????????????????????????????ThreadLocal??????????????????????????40%??????????????????java.lang.ThreadLocal?????????　WebLogic Server???Java EE????????·????????????????/??????????????????????????????????????·???????????????????????·????ThreadLocal?????????????·???????????????????????·?????????????????ThreadLocal???????????????????????????ThreadLocal??????????????????????????????　???????ThreadLocal?????????????????Memory Leak Detector?????????????????????·?????????????????????????????(ThreadLocal???????????????)???????·????????????????????????????????????????????????????????????1????????????1?????·????????????????????????????????????????????·????????????????　??B???????WebLogic Server???????????????????????????????WebLogic Server????2???????????????????????????????????????????????????????????????????1?????????????2?????·?????????????2?????????·???????????　???ThreadLocal???????????????ThreadLocal????????????????Thread??????????????????????????????????????Thread???????????????????GC?????????????????GC????????????????????????·?????????????????????????????????????????????·?????????????????????????????(????????·???·???·????)?　WebLogic Server???????????????????????????????????????????????(?????????????????)???"????"?????????????????????????????GC??????????ThreadLocal???????????????????????????????????????GC?????????????????????????????????????????????????????????????????????????????????OutOfMemory?????????????????　??????????????????JRockit Flight Recorder?JRockit Mission Control????????????????????????????????????ThreadLocal????????????????????????????·???·????????????????????????????JRockit Flight Recorder/JRockit Mission Control????????WebLogic Server?????????????????????????????????·????????????????　????????????????????????????·???????????C??????????WebLogic Server??????????????????????????????????????????????4??(1????×4??)??????12??(2????×6??)???????????　??????????3?????????????????????????????????????????????????4??·???????3,500??????????????12??????????2,000???????????????????　???C??????????JVM????·????GC?????????????????????????OS???????????·??????????????????????????????????????????????　???????????????????????JRockit Flight Recorder?????????????????????????????????????·?????????????????30??????????????????????　???????????????????1?????????????????????(??????·?????)?????????????????????WebLogic Server??????????????????????????????????????????·?????????????????????　???????????????????????????????????????????????????????Spin(???)??????????????????·???????????????????????????????????????????????????????????·???????????????JRockit Flight Recorder??????????????????12??????????????·??????????????????(4??/1 JVM)????Java???·????????????(12??/1 JVM)????Java???·????????　??????·?????????CPU????????????????????????????·???????????????????????????????CPU??????????????????????????????????????????????????????·?????????????????????????????·????　?????????·??????????????????·????????????????????????????????????????????????????????????·??????????????????????????????????·?????????????????????·?????????????????(?????????????·???????????????????)?　WebLogic Server?JVM???Oracle JRockit???CPU???????JVM?????????????JVM?????????????????????????????????????????????????(JVM????-XX:BindToCPUs???????????CPU?????????JVM???-XX:NumaMemoryPolicy=strictlocal???????????????·?????????)??????????·???????????????????????????????(12??/1 JVM)????Java???·????????(?????)*　　　*　　　*　??????????3?????????????????????????????????????????????????WebLogic Server????OS?????????????????????????????????JRockit Flight Recorder??????????????JRockit Mission Control???????????????????????????????????????????WebLogic Server?????????????????????????????????????JRockit Flight Recorder /JRockit Mission Control??????????????????????????????????????????????????????????????????????????????????????

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  • ????Java EE????WebLogic Server???????????|WebLogic Channel|??????

    - by ???02
    20????????????????????????/???????????Java EE???WebLogic Server????????????????IT(????)?????????????????????????????????????/??????????????????????????????????????????/?????????????????????????2011?9?6???????????????????WebLogic & Java EE????????????????????????????Java EE?WebLogic Server????????????(???)?WebLogic Suite?????/??????????????????　???Java????????????·?????????????????WebLogic & Java EE?????????????????????????? Fusion Middleware?????????????????Oracle WebLogic Server???????????????????????????WebLogic Server????????????????·??????????????????????　???WebLogic Server??????????????Standard Edition?????????????Enterprise Edition??????????·??????·????????WebLogic Suite??3??????????????????????????WebLogic Suite??????????????WebLogic Server???????????/??????JRockit Flight Recorder????Mission Control???????·???·??????Oracle Coherence????????????????Java??????JRockit Real Time????????????????Oracle Enterprise Manager??????????????????????????????????????????????????????????·??????·??????????????????·????????　????????????????????WebLogic Server?????????????????????????????·????????????????·??????2????????2??????????????IT???????????????????????????????????????·????????????????IT??????????????????????????????????·???????????????????IT??????????????????????????????????Java????????·?????????????????????????????????????????????????????????　??????????????????????????????????????????????"???"??????????????WebLogic Suite???????????????????????????????????????????????????????????????(???)　???????WebLogic Server?????????????????WebLogic Suite 11g?????????????????????????????????Oracle Database??????????????????4??????　???????????????????Java EE 5????????????Java EE 6???????????????Eclipse????????????????FastSwap????????????????????????????????????????????????????????　?????????????????????????JRockit Flight Recorder????????????·????????????????????????????????????????·???????????????????????????????????　Oracle Database?????????????Oracle Real Application Clusters(RAC)??????????Active GridLink for RAC?????????????????RAC???????????????????????·????????????????????????????·?????????????????????????????????RAC?????????WebLogic Server?????????????????????????????????????????????????????????????????????????????????????????　?????????????????·???????2011????????????????WebLogic Server 10.3.6???2012?????????????????WebLogic Server 12.1.1????????WebLogic Server 10.3.6???????·???????Oracle Exalogic Elastic Cloud???WebLogic Server 12.1.1?Java?????????????????????????　WebLogic Server 10.3.6????????????Oracle Virtual Assembly Builder???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????WebLogic Server 10.3.6?????????????????InfiniBand????????Socket Direct Protocol???????????　??????????·???????WebLogic Server 12.1.1???Java EE 6??????????????????Web?????????????????????Java EE 6?????????WebLogic Server?????????????????????　??????????????????????????????WebLogic Suite????????????????????????????????·??????·????????WebLogic Server????????????Java EE????6????????!　????????Java EE 6????-??????????????????????? Fusion Middleware?????? ???Java???????????????????Java???????????????????　????????????????????????――?Java EE??????????????????????2000???????EJB??????Java EE?????????????????Web???????????????????Struts???Spring Framework??????????????????????????????????Java EE?"?"???????????????????????????????????????????????????????????????????????????????????XML??????????????????????????Java EE??????????(=??)???????　??????????????????????????????????J2EE 1.4??????Java EE 5???????"??????"???????????????????????????Java EE 6??????????????"??????"???????????????????????????2009?12???????????????????????????(???)　?????????????????????????Java EE 6????????????????????????????????????????????????4??????　?????????????Java EE???????????????????????????????????????????web.xml?????????????????Java EE 6??????????????????web.xml???????????????????????????????????????????????????????????????????????????????　????Java EE????????????????????????????Java EE 6??????Web??????????????????Web????????????Java EE??????????????????????????????????????/????????Web????????????????????????　????????????????????Java EE???????·??????????JavaServer Faces(JSF) 2.0????????????????????????????????????　JSF 2.0??????????????????·????????XHTML???????????????????????·???????(UI)??????????????JSF 1.2???Java Server Pages(JSP)????????????????????????????????????????JSF 2.0???Facelet??????XHTML??????????????????????????????????　?????EJB??????????????????????????EJB 3.1?????????EJB???????????????????????????????????????·????????????????Java SE???EJB??????????????????????????　??????????????????????????????????????????·???????????Java EE 5????????Java EE 6?????????Web??????????????????????·??????????Tomcat??????????????·??????????????(???)???????????????????Web?????????????Tomcat??????????????????????　???????????????Tomcat???????Java Servlet?JSP?Expression Language?????????????????Struts???????????????Web????????????????????????????????????????Web??????????????????????????????????????????????????????????????Java EE 6?????????????????????????????　?Java EE 6?Web???????????Java EE?????????????????Web????????????????????Java EE 6???????WebLogic Server????????????????????????????????????????Web??????????????????????(???)　?????????????????????????????????????????????????????????Java EE 6?????????????????????Java EE 6???"??????"?????????????JRockit Flight Recorder/Mission Control?????????!　??????????????? Fusion Middleware?????????????????Oracle WebLogic Server 11g?????????-???????WebLogic??????!??????????????WebLogic Server?????????????????????????????????????????????????????????????????????????JRockit Flight Recorder?JRockit Mission Control????????????·???????????????　????????JRockit Flight Recorder(JFR)??Java???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????　??JFR????????????????????SLA????????????????????????????????　????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????JRockit?????????????JRockit Mission Control(JMC)?????JFR??????????JFR????????·????????????????????　JFR?????????????????????????????????????????????????????????????????????????·????????????????????????????????????????·?????????????????????????????????????????????????????4???????????????????????JFR????????????????????????????????????????　???JMC?Eclipse??????????????????????????????????????????·?????????????????????????????????????Eclipse??????JMC????????????????·???????????????????·??????????????????????????????????????　??????JMC?Eclipse?????????????????????????????????????????UI????????????????????????????????????????????????????????????????????????????????????????????????: ?????????! ?????????????????JRockit Flight Recorder?????*　　　*　　　*　???????WebLogic & Java EE??????????????????Java?WebLogic Server????3??????????????????????????????????·?????????????????????????

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  • ??????????????????????????/????????????????????????·???????????|WebLogic Channel|??????

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    ??????????????????·???????Oracle Coherence??????Java???????????????????????????????????????????????????????????????????Java API??????Oracle Coherence???????????3????????????????????????Coherence???????????????????????????????3???????????(???)???????Coherence???????????????Java??????????　???????????????????????·??????????/????·????Oracle Coherence???????????????????????Java API??????Oracle Coherence????????????????????????????????????????????????????????????????　?????????????Coherence??????????????????????????????/???????????????????????????????????????????3???????(4)????????/????????????　????????????????????????????????????·???/?????????　Oracle Coherence????????????????1?????????????????????????????????????????????????????????????????????????????????????????????????????????????Oracle Coherence?????????????????????????·????????????????????????????????????????In-Place Processing????????Oracle Coherence???In-Place Processing?????????????????????????????????????????　????·???/???????????In-Place Processing??????????????????·??????????????????????????????????????????????????????????????????????????????????????????　???????????????????????????????????????????????????　???In-Place Processing????????·????????????Oracle Coherence 3.6????????????Coherence Query Language(CohQL)??????????????????????????????CohQL???????????????????SQL?????????????????SQL?WHERE?????????????????????????????(5)???????????????　???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????(?????)?????????????????????????????????????????????????????????????????????????????　Oracle Coherence?????????????????????????????????????Oracle Coherence???????????????????????????????????????????????????????????????????????????????????????????????/????????????????????????????????????????????　??????·????????????????????????????????????????????????????Oracle Coherence?????????????????????????????????????????????(??????)?????????????????????????????????????????????????????????　???????·????????????Continuous Query Cache??????????????????????????????????????????????????????????????????????????????????????????????????????????????Continuous Query Cache????????????????????????(6)???????????????????　????Oracle Coherence????????????Invocation Service??????????????????(4)?????In-Place Processing?????????????·?????????????????????????????????????????????????????Java??????????????????????????????·????????????????????????????????????????????????　??????????????????????Oracle Coherence ??????????????????????????????????????????CPU???????????????????????Oracle Coherence???????????????????????????????????Web???????????????????????????Oracle Coherence?????????????????????????????????????????*　　　*　　　*　?????????Java????????????????????Oracle Coherence?6???????????????????????????Oracle Coherence????????????????????????????????????????????????????????Oracle Coherence?????:Aleksandar Seovic?Mark Falco?Patrick Peralta??:????·??????????????·????Oracle Coherence: Share and Manage Data In Clusters?···3????????????·??????????????????????????

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  • ??????Java API?????????????????????????·??????????/????·???????|WebLogic Channel|??????

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    ??????Java???????????????????????????????????????1??????????Java??????????·???????????????????????????????????????????????????????Java????????????????????????????????·???????Oracle Coherence????????????????????????????????????????????????Coherence??Java?????????????????????????????????????????????????????2??????Oracle Coherence?Java???????????????????????????????????(???)?????????????Web??????????????Oracle Coherence　?????????????HashMap????????????????????Java?????????????????????????????????1???????????????????????????/???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????　???JSP????????Struts???????Web???????????HttpSession??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????　???Web???????????????Java?????????????????????????????????????????????????????????????????????????? ???????????????·??·?????????????????????????????????????Oracle Coherence?????　Oracle Coherence???????????????????????????????????????????????????????????????????????????Oracle Coherence?????????????????????????????????????Web??????????????????????????????????????????????????Oracle Coherence?????????????????????????????????????????????????????　????Oracle Coherence??????????????????????????2????????　????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????　???????????????CPU??????????????????????????????????????????????????????????????????????????CPU??????????????????????????????????????????????????????Oracle Coherence???????????????????????????　???????????????????????????????????????????????????????????????Oracle Coherence??????????????????????????????????/??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????1?1????????????????????????????????????????????????????Oracle Coherence???????????????3?????　???????Oracle Coherence???????????????????Java????????????????????????????????Oracle Coherence?????????????????????????3??????(1)???????????????　1????Oracle WebLogic Server???????????·??????????????????????HTTP?????????????Oracle Coherence??????????　Oracle Coherence???Coherence*Web????????????????????????????????????????HttpSession?setAttribute?getAttribute??????????????????????Oracle Coherence?API???????????????????????Oracle Coherence?????????????Coherence???????????????????????????????????Oracle Coherence????????????????????/????????????????????·???????????????　???????????????????????????RDB????????????????????????????????????????????????????????????RDB??????????????/?????????????????????????????????????????Oracle Coherence????????????????????????????????????????????????????????????????????????????????ANA SKY WEB???Oracle Coherence?????????????????????????????????????????????????????????????????????????????????????????????????ANA SKY WEB???????????????Oracle Coherence???????????????????10????????　???????????·?????????????????????????????????????????????????????????????????????·???????????????Oracle Coherence??????????·???????????????????????????????????·???????????????????????????????????????????????(?????????????????????????)??????????????????(2)???????????????　2????????Oracle Coherence???????????????????????????????　Oracle Coherence???Java Persistence API(JPA)???????·??????????????EclipseLink?Coherence?????????????????TopLink Grid??????????TopLink Grid??JPA????????????????????Oracle Coherence???????????????????JPQL(Java Persistence Query Language)?????????????Oracle Coherence????????????????????????????TopLink Grid???????JPA??????????????????????????????　?????????????????????????????·?????1?????????????????????????????????????????????????????JPA????????????????????????·????????????????????????????Oracle Coherence????????????????????????????????????????????????????????　???JPA?????????·???????????Grid Cache???Grid Read???Grid Entry??3?????????????Grid Cache??Oracle Coherence?2?????????????????Grid Read???????????(?????)?Oracle Coherence????????????????????????????(?????????????Coherence?????????)????Grid Entry???????/?????????Oracle Coherence??????(?????????????????????Coherence?????????????)??????????????????????????????????????????????????????(3)??/???????????????　3??????????/?????????????Oracle Coherence???Java?Map API?????????????????????????????????????ID??????Map API????????????????????????????Oracle Coherence????????????????????　????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????Oracle Coherence?????????ID??????Map API????????????????????????????????　?????????????????????????????????????????????80??????????????????????·??????????????????????·????????????????????·???????????????????????????????????????Oracle Coherence???????????????????????Oracle Coherence???????????/??????????????·?????????????·?????????????????????????????????????????????????????????????　??????Java???API???????????Oracle Coherence?????????????????????????????3??????????????????????Java???????????????????????????????????????Oracle Coherence????API?????????????????????????????????3????????????

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  • ????????! ?????????????????JRockit Flight Recorder????|WebLogic Channel|??????

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    ???????????????????????????????????????WebLogic Server????????·??????????????????????????????????????????????WebLogic Server????????????????????????????????????????????????????????????????????????JRockit Flight Recorder???WebLogic Server????????????????????????????????????????????????????????????????????????????????????????(???)?????????????????――????????JRockit Flight Recorder　???????????·??????????????????????????????????????????????????????????????????????????????????　????Java?????(JVM:Java Virtual Machine)??????????????????????????????????·??????????????????·?????????????????????????????????·???·????????????????????????????????????????????·?????JVM?????????????????????????????????????????????????????????????????????????????????????????????　???JVM?????????????·??????(Out of Memory Error)????????????????·???????????·??????(GC)?????????????????????????????????????????????????????????JVM?????????GC????????????????????????????????????????????????　???????????????????2010?7?????????WebLogic Server Enterprise Edition 11g R1 Patch Set 2???????????????????JRockit Flight Recorder????????????????????????????????????????????????????????????????????????????????????????????????????JRockit Flight Recorder????????OS?????????·?????CPU??????????????????????JVM?????????JVM?????????·????????????·??????????????????·????????JVM?CPU????????·?????????·????JIT?????????????????Java????????·???????/???????????????/????????????WebLogic Server????????????EJB?JDBC?Web?????JTA??????????????????????????????　??WebLogic Server??????????????????????????JRockit Runtime Analyzer??????????Runtime Analyzer?????????????????????????????????????????WebLogic Server?????????????????????????????????JRockit Flight Recorder??????????????????????????????????????????????　JRockit Flight Recorder????????????????????????????????????????????????????????　???Java EE???????????????????????????????????????????????????JVM?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????　???????JRockit Flight Recorder????JVM(JRockit)?????????????????????????????????????????????????????????????3%??????????????????????????????????????????????????????????????????????????　????????JRockit Flight Recorder?????????????????????????????????????????????????????????????????????????JRockit Flight Recorder?????　JRockit Flight Recorder????????????????????(????????????????????????)??????????????????????????(???????·????)???????????????　???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????　???????JRockit Flight Recorder??????????????????????????????????????????·?????????????????????????????????????(?????GUI????Oracle JRockit Mission Control????)????????·??????????????????????????????JRockit Flight Recorder?????????????????????　??????????????????????JRockit Flight Recorder?WebLogic Server Enterprise Edition???????????WebLogic Server??????????????????????????????????????????????????????????????????????????????????????????????????　??????????JRockit Flight Recorder?????????????????????????????????????　????????JRockit Flight Recorder??????????????????????????????????????????·?????????????????JRockit Mission Control???????????????????????????????????????　??????????????????????????????????????????????????????????????????????????????????????????????????????????????　???????????????????????????????????????????????????????????????????????????????????????????????????????????????????　??????????????1????????????????????????????????????Thread Parked????????????????????????????????????????????Thread Parked?????????????????????????????　???JRockit Flight Recorder?JDBC??????????????????SQL??????????????????????????????????　??????·???????????????????????????JRockit Flight Recorder?????????1???????????SLA??????　JRockit Flight Recorder?????????????????????　????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????　????JRockit Flight Recorder???????????????????????????????????SLA(Service Level Agreement)??????????????????????????????????????????????????????????????????????????????????????????　????????????JRockit Flight Recorder???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????JRockit Flight Recorder????????????1???JRockit Flight Recorder?????????????????　????????JRockit Flight Recorder??????????????????????????????????????????????????　???JRockit Flight Recorder??????????????????1??????! ?????????????????????????????????3????????????????????????????6??????????????????13???????????????????????????????????????????????????????20???????????????????????35???????????????38??????????????????????????　???????JRockit Flight Recorder???????????????????????????1??????! ??????????????????JRockit Flight Recorder??????????????????????3???????????????????18???????????????21??????????????????????????　??????????????JRockit Flight Recorder????????????????????????????????????????JRockit Flight Recorder???????????????????????????????????????????????????JRockit Flight Recorder????????????　??????????????????·???????????????????????JRockit Flight Recorder???????????????????????????? ???????????????????????????????――???????????????????　???????????JRockit Flight Recorder??????2????1??????????????????????????????????????????????????????????　??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????JRockit Flight Recorder???????????????????????????????????????????????????????????????????SIer???????――???????/????????????????　JRockit Flight Recorder????????????????????IT?????????SIer?????????????　??????????????????????????SIer?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????(???????)??????????????????????????????????????????????????????????????????????????　???JRockit Flight Recorder??????????????????????????????????????????????????????????????????????????????????????????/????????????????????????????????????????*　　　*　　　*　???????WebLogic Server Enterprise Edition???????????????????JRockit Flight Recorder????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????WebLogic Server?????????????JVM Oracle JRockit??? ???? ···???JVM?Oracle JRockit??????????????????????????JRockit Flight Recorder????????????????? ?????45???????????????????????????????????? ?WMV?? ?MP4??

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  • ?????????????????????WebLogic Server??????????|WebLogic Channel|??????

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    ????????IT?????????????????·???????????????????????????????????????????????·???????????????????????????????????――??????Publickey???????IT?????????????????????????????????WebLogic Server????????????????????(???)??????????????????????――??IT??????????????????????????????WebLogic Server????????????????????????????????:?????????????????????????????????????????????????????????1????????????????????????????????????????????????????????　??????????????????????????????????????????????????????????????????????????????????????????·???????????????????????????????????????????　??WebLogic Server???????JVM?????????????????????????????????????????????????????????????????????????????????????????JVM?????????????????????????????????????????·???????????????????????????????????????????????????????????　??????????????????????????????????????????????????????????????????WebLogic Server????????????????Oracle Exalogic Elastic Cloud??????????Java EE 6?????????·??????????????――???Java SE 7??????????????Java EE???????????Java EE 6?????????????????????:Java EE???????Java EE???????????????????????????????POJO(Plain Old Java Object)????????????????????????????????????????Java???????????Spring Framework??????????Java EE 6????Spring???????????????????????????????:?????????Spring????Seasar??????????·??????????????????????????????????????????????????????????????????????????????????????????　?????????????????????????????????????????????????????????????????????????????????Java EE 6???????????????????????????????????????????????????　WebLogic Server???????????Java EE 6?????????????????????????????????????――???????????????·????????Oracle Fusion Applications??Java??????WebLogic Server??????????????????WebLogic Server??????????????????????????????????:?????????????·?????????????????????????????????????·??????????????????????????????????????????????????????????????·???????――????????????WebLogic Server?????????????????:??????????????IT???????????????????????·????????????????????????????????????????????????????????????????????????????　?????????????????·?????????????????????·???????????????????????????????????????????????????????????????????????????·????????????????????――WebLogic Server?????Exalogic??????????1???????????????????????????:??????????????????????????????????????????????????????????????1???????????????Exalogic??Oracle Exadata?????????????????·???????????????????????????????????????????????????????????????????????????????――????????????????????　????????????WebLogic Server???????????????????WebLogic Server????????????????????　????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????Java EE????????????·???????????????????????????????????????????????????????????????????????????????????????????????????????WebLogic Server??Java EE????????·?????????????????????????????????????????????????????????????????????

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  • ????WebLogic Server?????Java+?????·??????????????????|WebLogic Channel|??????

    - by ???02
    ????????·???????????????????????????·???????????????????????????????????????WebLogic Server???????????????????????????? WebLogic Server??????·??????·???????????????????????????????????Publickey???????IT???????????????WebLogic Server??????????????????????????????????(???)??????·??????????Java?????????WebLogic Server――WebLogic Server??1990???????????·?????????????????????·????????????????????????????????????????????????????????????:WebLogic Server????????????????1998????1999???????4.5???????????J2EE(Java 2 Platform, Enterprise Edition)?????????????·???Java??????API???Java Servlet?JSP?JDBC?RMI(Remote Method Invocation)??????EJB 1.0??????????????????????????WebLogic Server?Java???????????????????????????????"??"????????? ????WebLogic Server 5.1??6.0???????????????·???????????????Java????????·?????????????????????????????????WebLogic Server?????Java??????????????????????????????????????????????????????――????????????·??????????Java???????????????????????:????????????????·?????????????Java????????????????????????? WebLogic Server?????2001???????6.1?????????????????????????????????????·????????????????·?????J2EE????????????????????????10????WebLogic Server??????????????????????????――WebLogic Server?????????·??????????????????????????????????? Java?????????????????????????????·???·???????????????????:???Java????????·?????C/C++?????COM?CORBA?????????????????????????????????????????WebLogic Server?JDBC???????????????Java?????????????????????????????WebLogic Server??????????????????????????? ????????????????????J2EE????????????????????????????????????????WebLogic Server?????????????? ?????????????????????????????J2EE??????????????????????????????????????????????????????????????????????????????????????????????????????????????WebLogic Server?????????J2EE????????????????????????????? ???????????????????????????????????????????????????????????:???????????????J2EE???????Java EE????????????????????????????????????????????????????????????WebLogic Server??????????? ?????Java EE??????????????????????WebLogic Server?????????????????????????????????/????????????·??????·???????????????????????????????????????――?????????WebLogic Server??????????????????????????????????????????????????????:???????????11g???????????·???????????????????????????????????? ??????????·??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????Java EE????????????????????:?????????????????????(??)????????????????????????????????????????????????????????????????????????????????????????????????????????????? ?????????????????????????????????????????????????????????????????????????????????????????????????????????????????――Twitter?Facebook???????????????????????????????????????????????????????????????????????????????????????????????????????????????·?????????????????????????????????????????????????>

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  • ?????????????????????TCO???????????????????WebLogic???????|WebLogic Channel|??????

    - by ???02
    ????????????/????????????????????????????·???????????????????????????????????????????????????????????WebLogic Server??????(????????)???????????????????????????Oracle Database??????????????????????TCO??????????????????·??????·??????????WebLogic Server???????????????????????(???)???????????????????????????????????????????WebLogic Server?????????????????????????????Oracle Database?????????????????????????????WebLogic Server????????1???Oracle RAC???????????·?????????WebLogic Server??????Oracle Database?????????·??????·?????????????????????????????Oracle Real Application Clusters(RAC)?????????????????????? WebLogic Server???Oracle RAC???????????Active GridLink for RAC???????????????????????Oracle RAC???WebLogic Server?????????????????????????????????Oracle RAC????????????????????????????1?????????????????????????????????????????????????????????????Oracle RAC???"??"?????????????????????????????????·???????????????????????????????????????????????????????·??????????????????????????????????????WebLogic Server?Oracle RAC?????????????????????????Oracle RAC????????????????????????????????WebLogic Server??Oracle RAC????????????????·?????????????????????????????·?????Oracle WebLogic Server?Real Application Clusters? ···?????·???????Oracle WebLogic Server 10.3?????????Oracle RAC?????????????????????????????????????????????????????????????????????????????????????????????????????????????????Oracle WebLogic Server JDBC???·???????Oracle RAC?????????????????????????????????????·????????????????????DB?Oracle Coherence???????????/???????????????????/???????????????????????????????NOSQL?(SQL???????????????/??????????)???????????????????????????·????????????Oracle Coherence???????????????????/??????????????????????? ??Coherence??????????WebLogic Server????1???Coherence?????????·??????????????????"????????"????????????????WebLogic Server?????????????????????O/R?????·?????????Oracle TopLink?????????TopLink?Java???????????????Java Persistence API(JPA)????????JPA?????????????????????TopLink?????Oracle Database????????Coherence?????????????????????? ???WebLogic Server????????????????????Coherence?????????????????????·???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ???????WebLogic Server??Coherence?HTTP????????????????????WebLogic Server????????????????????Coherence????????????????????????????????????????????????????????????WebLogic Server???????????????Coherence?????????????????????????????????????????Coherence???????????????EC??????????·??????????????????????Web?????????????????????????????????????????????????????????????????????·????????????????WebLogic Server?????????1?????Oracle Enterprise Manager????????????????????????????????????Oracle Enterprise Manager(EM)??????????????Oracle EM???????URL???????????????????????????????Oracle Database?????????????????????????????????????"?????"??????TCO??????????????/??????????????????IT?TCO(??????)???????WebLogic Server???????????? ???????????????????????????????????????????????????????????WebLogic Server??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ??????????Oracle EM??????Oracle Database??????????????????????????????????????????????????????????????????TCO????????????? ????Java EE??????????????????????????????????????????TCO????????????????WebLogic Server?????????????????????·????????????????WebLogic Server????????????????????????????IT???????????????????????????WebLogic Server????????????????????????? ???????????????????????????????????????????????JRockit????????????????Sun JVM???????????????WebLogic Server????????Sun JVM????????????????????????????????? ????????????????????????????????????????????????????????????????????? ?????????????????Oracle EM????????????????Oracle EM???????????????????????????????????????????????????????????????????????????????????????????????????????????????? ??????Java EE??????????????????????????????????????????????????WebLogic Server?????????????????????????????????????????????????????????????WebLogic Server????????????????????????????WebLogic Server???????????????????????????????????????????????????????????????? ??????TCO???????????????????Java EE???????????????????????????????????????????????"?????"?????????·???????? ??????WebLogic Server??????????????????????·??????·??????????????????????????????????WebLogic Server??????????????????????????????????????????????

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  • What's wrong with this date behavior in C#?

    - by Jane McDowell
    If I output a formatted date as follows: DateTime.Parse("2010-06-02T15:26:37.789 +01:00").ToString("HH:mm:sszzz") I get the expected result: 15:26:37+01:00 However, if I parse the same date, convert to UTC and output with the same format as follows: DateTime.Parse("2010-06-02T15:26:37.789 +01:00").ToUniversalTime().ToString("HH:mm:sszzz") I get this: 14:26:37+01:00 Now those two dates, the local and UTC versions, should be exactly the same but the outputted text represents two different times. Why is this?

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  • Is this a Java DateFormat bug?

    - by anonymous
    The pattern is "dd-MM-yyyy" I think the string "01-01-2010mwwwwwwwwwwwwwww" does not satisfy the pattern, but the following code shows the contrary. Anyone can explain why? public static void main(String[] args) throws Exception { SimpleDateFormat df = new SimpleDateFormat("dd-MM-yyyy"); Date date = df.parse("01-01-2010mwwwwwwwwwwwwwww"); System.out.println(date); } Thanks

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  • Exception: attempt to acquire a reference on a close SQLiteClosable

    - by CommonsWare
    I posted this back in May on the [android-developers] Google Group. I never heard back and was not able to reproduce the problem until one of my students did last week. I figured I'd post it here and see if it rang any bells for anyone. In one of my code samples, I have the following method: static Cursor getAll(SQLiteDatabase db, String orderBy) { return(db.rawQuery("SELECT * FROM restaurants "+orderBy, null)); } When I run it, sporadically, I get this: 05-01 14:45:05.849: ERROR/AndroidRuntime(1145): java.lang.IllegalStateException: attempt to acquire a reference on a close SQLiteClosable 05-01 14:45:05.849: ERROR/AndroidRuntime(1145): at android.database.sqlite.SQLiteClosable.acquireReference(SQLiteClosable.java:31) 05-01 14:45:05.849: ERROR/AndroidRuntime(1145): at android.database.sqlite.SQLiteProgram.<init>(SQLiteProgram.java:56) 05-01 14:45:05.849: ERROR/AndroidRuntime(1145): at android.database.sqlite.SQLiteQuery.<init>(SQLiteQuery.java:49) 05-01 14:45:05.849: ERROR/AndroidRuntime(1145): at android.database.sqlite.SQLiteDirectCursorDriver.query(SQLiteDirectCursorDriver.java:49) 05-01 14:45:05.849: ERROR/AndroidRuntime(1145): at android.database.sqlite.SQLiteDatabase.rawQueryWithFactory(SQLiteDatabase.java:1118) 05-01 14:45:05.849: ERROR/AndroidRuntime(1145): at android.database.sqlite.SQLiteDatabase.rawQuery(SQLiteDatabase.java:1092) 05-01 14:45:05.849: ERROR/AndroidRuntime(1145): at apt.tutorial.Restaurant.getAll(Restaurant.java:14) This makes no sense to me. The database is definitely open. The SQLiteClosable is the SQLiteQuery created by SQLiteQueryDriver, and I see no evidence that there is an object pool or something going on here that might explain how a "new" SQLiteClosable is already closed. The fact that it is sporadic (meaning the same UI operations sometimes trigger the exception, but not always) suggests some sort of pool, race condition, or something...but I'm not sure where. Thoughts? Thanks! UPDATE: The code in question is from the LunchList tutorials out of my Android Programming Tutorials book. It's a bit spread out and not terribly suitable for posting directly in SO. You can download the code for that book from the above link if you want to take a look at it. I do not recall exactly which edition of the tutorial the student was working on at the time, though it was in the Tutorial 12-Tutorial 16 range. I was mostly hoping to run across somebody who had tripped over this problem before and had a likely culprit. I'm fairly certain my database is open. Thanks again!

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  • mint linux, DVD drive keeps randomly being accessed. unsure how to find culprit

    - by juicebox
    I have a workstation with mint linux 12. It seems like the DVD drive on the machine keeps randomly "activating". By activating it makes noise, the light turns on, and it seems like it is checking if a disk is in it. At first I thought I was being hacked and someone/something was trying to check if I had media in the DVDRom drive. I ruled that out with netstat and rkhunter. I checked my logs and the only thing I can find that might help point out the problem are these repeated chunks in syslog: Mar 24 17:47:31 rich-MINT kernel: [ 9846.551422] ata2.00: cmd a0/00:00:00:08:00/00:00:00:00:00/a0 tag 0 pio 16392 in Mar 24 17:47:31 rich-MINT kernel: [ 9846.551424] res 51/40:01:00:00:00/00:00:00:00:00/a0 Emask 0x10 (ATA bus error) Mar 24 17:47:31 rich-MINT kernel: [ 9846.551427] ata2.00: status: { DRDY ERR } Mar 24 17:47:31 rich-MINT kernel: [ 9846.551433] ata2.00: hard resetting link Mar 24 17:47:32 rich-MINT kernel: [ 9846.868012] ata2.01: hard resetting link Mar 24 17:47:32 rich-MINT kernel: [ 9847.344054] ata2.00: SATA link up 1.5 Gbps (SStatus 113 SControl 310) Mar 24 17:47:32 rich-MINT kernel: [ 9847.344067] ata2.01: SATA link up 3.0 Gbps (SStatus 123 SControl 300) Mar 24 17:47:32 rich-MINT kernel: [ 9847.376118] ata2.00: configured for PIO0 Mar 24 17:47:32 rich-MINT kernel: [ 9847.393047] ata2.01: configured for UDMA/133 Mar 24 17:47:32 rich-MINT kernel: [ 9847.397046] ata2: EH complete and again Mar 24 17:55:28 rich-MINT kernel: [10323.633268] sr 1:0:0:0: ioctl_internal_command return code = 8000002 Mar 24 17:55:28 rich-MINT kernel: [10323.633270] : Sense Key : Aborted Command [current] [descriptor] Mar 24 17:55:28 rich-MINT kernel: [10323.633275] : Add. Sense: No additional sense information Mar 24 17:55:11 rich-MINT kernel: [10306.640009] ata2.00: link is slow to respond, please be patient (ready=0) Mar 24 17:55:16 rich-MINT kernel: [10310.840009] ata2.00: SRST failed (errno=-16) Mar 24 17:55:16 rich-MINT kernel: [10310.840016] ata2.00: hard resetting link Mar 24 17:55:16 rich-MINT kernel: [10311.160013] ata2.01: hard resetting link Mar 24 17:55:16 rich-MINT kernel: [10311.636061] ata2.00: SATA link up 1.5 Gbps (SStatus 113 SControl 310) Mar 24 17:55:16 rich-MINT kernel: [10311.636075] ata2.01: SATA link up 3.0 Gbps (SStatus 123 SControl 300) Mar 24 17:55:16 rich-MINT kernel: [10311.668122] ata2.00: configured for PIO0 Mar 24 17:55:16 rich-MINT kernel: [10311.684854] ata2.01: configured for UDMA/133 Mar 24 17:55:17 rich-MINT kernel: [10312.105473] ata2: EH complete (Copied from Pastebin - http://pastebin.com/YNDrnyzH) If any linux masters could take a quick look at these log outputs and help me understand what is going on , much appreciated.

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  • mint linux, DVD drive keeps randomly being accessed. unsure how to find culprit

    - by juicebox
    I have a workstation with mint linux 12. It seems like the DVD drive on the machine keeps randomly "activating". By activating it makes noise, the light turns on, and it seems like it is checking if a disk is in it. At first I thought I was being hacked and someone/something was trying to check if I had media in the DVDRom drive. I ruled that out with netstat and rkhunter. I checked my logs and the only thing I can find that might help point out the problem are these repeated chunks in syslog: Mar 24 17:47:31 rich-MINT kernel: [ 9846.551422] ata2.00: cmd a0/00:00:00:08:00/00:00:00:00:00/a0 tag 0 pio 16392 in Mar 24 17:47:31 rich-MINT kernel: [ 9846.551424] res 51/40:01:00:00:00/00:00:00:00:00/a0 Emask 0x10 (ATA bus error) Mar 24 17:47:31 rich-MINT kernel: [ 9846.551427] ata2.00: status: { DRDY ERR } Mar 24 17:47:31 rich-MINT kernel: [ 9846.551433] ata2.00: hard resetting link Mar 24 17:47:32 rich-MINT kernel: [ 9846.868012] ata2.01: hard resetting link Mar 24 17:47:32 rich-MINT kernel: [ 9847.344054] ata2.00: SATA link up 1.5 Gbps (SStatus 113 SControl 310) Mar 24 17:47:32 rich-MINT kernel: [ 9847.344067] ata2.01: SATA link up 3.0 Gbps (SStatus 123 SControl 300) Mar 24 17:47:32 rich-MINT kernel: [ 9847.376118] ata2.00: configured for PIO0 Mar 24 17:47:32 rich-MINT kernel: [ 9847.393047] ata2.01: configured for UDMA/133 Mar 24 17:47:32 rich-MINT kernel: [ 9847.397046] ata2: EH complete and again Mar 24 17:55:28 rich-MINT kernel: [10323.633268] sr 1:0:0:0: ioctl_internal_command return code = 8000002 Mar 24 17:55:28 rich-MINT kernel: [10323.633270] : Sense Key : Aborted Command [current] [descriptor] Mar 24 17:55:28 rich-MINT kernel: [10323.633275] : Add. Sense: No additional sense information Mar 24 17:55:11 rich-MINT kernel: [10306.640009] ata2.00: link is slow to respond, please be patient (ready=0) Mar 24 17:55:16 rich-MINT kernel: [10310.840009] ata2.00: SRST failed (errno=-16) Mar 24 17:55:16 rich-MINT kernel: [10310.840016] ata2.00: hard resetting link Mar 24 17:55:16 rich-MINT kernel: [10311.160013] ata2.01: hard resetting link Mar 24 17:55:16 rich-MINT kernel: [10311.636061] ata2.00: SATA link up 1.5 Gbps (SStatus 113 SControl 310) Mar 24 17:55:16 rich-MINT kernel: [10311.636075] ata2.01: SATA link up 3.0 Gbps (SStatus 123 SControl 300) Mar 24 17:55:16 rich-MINT kernel: [10311.668122] ata2.00: configured for PIO0 Mar 24 17:55:16 rich-MINT kernel: [10311.684854] ata2.01: configured for UDMA/133 Mar 24 17:55:17 rich-MINT kernel: [10312.105473] ata2: EH complete (Copied from Pastebin - http://pastebin.com/YNDrnyzH) If any linux masters could take a quick look at these log outputs and help me understand what is going on , much appreciated.

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