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• JVM terminates when launching eclipse with J2SE 6.0 on mac os x (need J2SE 6.0 for Oracle enterprise

  - by rooban bajwa

  I know my issue has party been addressed at this link http://stackoverflow.com/questions/245803/jvm-terminates-when-launching-eclipse-mat-on-mac-os-with-j2se-60 but it was a year+ ago.. plus the link that's provided in there http://landonf.bikemonkey.org/static/soylatte/ does not seem to be alive (i mean the download section on that link no longer provide the 32-bit port of j2se 6.0 for mac osx 10.5) I am trying to run eclipse 3.5 on mac OSX 10.5. It works fine with J2SE 5.0. But when I installed the Oracle enterprise pack for eclipse - it requires to start eclipse with J2SE 6.0 JVM otherwise it will get disabled. Here's the exact message I get from it - "You are running Eclipse on Java VM version: 1.5.0_22 Oracle Enterprise Pack for Eclipse requires Java version 6 or higher. Click next to configure a compatible Java VM." It asks me to point to J2SE 6.0 JVM, when I do that (i.e point it to "/System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Home") , it asks to restart eclipse , when I do that, eclipse just bombs .. with JVM terminated error .. SO I need to start eclipse with J2SE 6.0 JVM but eclipse needs carbon which is only available in 32 bits and hence I cann't start eclipse with J2SE 6.0 JVM which is only available in 64bit mode from mac. And the site providing 32 bit port of J2SE 6.0 JVM does not seem to be active anymore.. Can someone help me on this issue, Thanks in advance,

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• Register for a free webcast presented by ISC2: Identity Auditing Techniques for Reducing Operational Risk and Internal Delays

  - by Darin Pendergraft

  Join us tomorrow, June 26 @ 10:00 am PST for Part 1 of a 3 part security series co-presented by ISC2 Part 1 will deal focus on Identity Auditing techniques and will be delivered by Neil Gandhi, Principal Product Manager at Oracle and Brandon Dunlap, Managing Director at Brightfly Register for Part 1: Identity Auditing Techniques for Reducing Operational Risk and Internal Delays ... Part 2 will focus on how mobile device access is changing the performance and workloads of IDM directory systems and will be delivered by Etienne Remillon, Senior Principal Product Manager at Oracle, and Brandon Dunlap, Managing Director at Brightfly Register for Part 2: Optimizing Directory Architecture for Mobile Devices and Applications ... Finally, Part 3 will focus on what you need to do to support native mobile communications and security protocols and will be presented by Sid Mishra, Senior Principal Product Manager at Oracle, and Brandon Dunlap, Managing Director at Brightfly. Register for Part 3: Using New Design Patterns to Improve Mobile Access Control Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;}

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• Two things I learned this week...

  - by noreply(at)blogger.com (Thomas Kyte)

  I often say "I learn something new about Oracle every day".  It really is true - there is so much to know about it, it is hard to keep up sometimes.Here are the two new things I learned - the first is regarding temporary tablespaces.  In the past - when people have asked "how can I shrink my temporary tablespace" I've said "create a new one that is smaller, alter your database/users to use this new one by default, wait a bit, drop the old one".  Actually I usually said first - "don't, it'll just grow again" but some people really wanted to make it smaller.Now, there is an easier way:http://docs.oracle.com/cd/E11882_01/server.112/e26088/statements_3002.htm#SQLRF53578Using alter tablespace temp shrink space .The second thing is just a little sqlplus quirk that I probably knew at one point but totally forgot.  People run into problems with &'s in sqlplus all of the time as sqlplus tries to substitute in for an &variable.  So, if they try to select '&hello world' from dual - they'll get:ops$tkyte%ORA11GR2> select '&hello world' from dual;Enter value for hello: old   1: select '&hello world' from dualnew   1: select ' world' from dual'WORLD------ worldops$tkyte%ORA11GR2> One solution is to "set define off" to disable the substitution (or set define to some other character).  Another oft quoted solution is to use chr(38) - select chr(38)||'hello world' from dual.  I never liked that one personally.  Today - I was shown another wayhttps://asktom.oracle.com/pls/apex/f?p=100:11:0::::P11_QUESTION_ID:4549764300346084350#4573022300346189787 ops$tkyte%ORA11GR2> select '&' || 'hello world' from dual;'&'||'HELLOW------------&hello worldops$tkyte%ORA11GR2>just concatenate '&' to the string, sqlplus doesn't touch that one!  I like that better than chr(38) (but a little less than set define off....)

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• Portal and Content - Components, part 3 – Applied Customization Framework (4 of 7)

  - by Stefan Krantz

  Have you ever been challenged with the situation where your work task asks you to implement functionality in the WebCenter Portal and you browse through the Resource Catalog (Business Dictionary) and find the functionality you need. However when you get started there is small short comings and you ask your self- how can I re-use what is out of the box ca?- I wonder what code I need to use to produce the similar functions and include my new requirements?- Must I write a new taskflow? The answer to above questions are in many times answered with simply you can  do a taskflow customization to out-of-the-box taskflows. In this post I will help you understand how to do such customization. Best described is a 4 step process, see image flow below for illustration: Just to clarify few naming confusions that might occur when go through above process. Customization Role is a function within JDeveloper that will allow you to implement view and flow customizations to existing taskflows WebCenter Portal – Spaces Taskflow Customization Framework this technology scope do not only refer to WebCenter Spaces, this also include WebCenter Portal/Framework A taskflow customization do not overwrite or replace any code, it just creates an additional tip view of the taskflow in the MDS for the current application (WebCenter Portal or WebCenter Spaces) To sum up this simple procedure I also like to help you find your way around the main topic for this post series, this post series is focusing primarily on Content integration with WebCenter Portal, so where can I find content related taskflows in the WebCenter Libraries. The list below mention some useful locations to taskflows and each taskflow page fragments. Library Reference - WebCenter Document Library Service View Content Presenter Path: oracle.webcenter.doclib.view.jsf.taskflows.presenterTaskflow: contentPresenter.xml - The Content Presenter taskflowTaskflow: contentPresenterWizard.xml - The publishing wizard to select content, select template and preview including contributionDocument Manager Path: oracle.webcenter.doclib.view.jsf.taskflows.docManager Taskflow: documentManager.xml - The Document Manager taskflow which includes references to document management feature including browsing, download, uploading and viewing. For more information on Taskflow customizations please see following documentation:http://docs.oracle.com/cd/E23943_01/webcenter.1111/e10148/jpsdg_taskflows.htm#BACIEGJD

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• Multiple vulnerabilities in Firefox

  - by RitwikGhoshal

  CVE DescriptionCVSSv2 Base ScoreComponentProduct and Resolution CVE-2012-1960 Information Exposure vulnerability 5.0 Firefox Solaris 10 SPARC: 145080-12 X86: 145081-11 CVE-2012-1970 Denial of Service (DoS) vulnerability 10.0 CVE-2012-1971 Denial of Service (DoS) vulnerability 9.3 CVE-2012-1972 Resource Management Errors vulnerability 10.0 CVE-2012-1973 Resource Management Errors vulnerability 10.0 CVE-2012-1974 Resource Management Errors vulnerability 10.0 CVE-2012-1975 Resource Management Errors vulnerability 10.0 CVE-2012-1976 Resource Management Errors vulnerability 10.0 CVE-2012-3956 Resource Management Errors vulnerability 10.0 CVE-2012-3957 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 10.0 CVE-2012-3958 Resource Management Errors vulnerability 10.0 CVE-2012-3959 Resource Management Errors vulnerability 10.0 CVE-2012-3960 Resource Management Errors vulnerability 10.0 CVE-2012-3961 Resource Management Errors vulnerability 10.0 CVE-2012-3962 Arbitrary code execution vulnerability 9.3 CVE-2012-3963 Resource Management Errors vulnerability 10.0 CVE-2012-3964 Resource Management Errors vulnerability 10.0 CVE-2012-3966 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability 10.0 CVE-2012-3967 Arbitrary code execution vulnerability 6.8 CVE-2012-3968 Resource Management Errors vulnerability 10.0 CVE-2012-3969 Numeric Errors vulnerability 9.3 CVE-2012-3970 Resource Management Errors vulnerability 10.0 CVE-2012-3972 Information Exposure vulnerability 5.0 CVE-2012-3974 Resource Management Errors vulnerability 6.9 CVE-2012-3976 Denial of Service (DoS) vulnerability 5.8 CVE-2012-3978 Permissions, Privileges, and Access Controls vulnerability 6.8 CVE-2012-3980 Improper Control of Generation of Code ('Code Injection') vulnerability 9.3 This notification describes vulnerabilities fixed in third-party components that are included in Oracle's product distributions.Information about vulnerabilities affecting Oracle products can be found on Oracle Critical Patch Updates and Security Alerts page.

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• Is it customary to write Java domain objects / data transfer objects with public member variables on mobile platforms?

  - by Sean Mickey

  We performed a code review recently of mobile application Java code that was developed by an outside contractor and noticed that all of the domain objects / data transfer objects are written in this style: public class Category { public String name; public int id; public String description; public int parentId; } public class EmergencyContact { public long id; public RelationshipType relationshipType; public String medicalProviderType; public Contact contact; public String otherPhone; public String notes; public PersonName personName; } Of course, these members are then accessed directly everywhere else in the code. When we asked about this, the developers told us that this is a customary performance enhancement design pattern that is used on mobile platforms, because mobile devices are resource-limited environments. It doesn't seem to make sense; accessing private members via public getters/setters doesn't seem like it could add much overhead. And the added benefits of encapsulation seem to outweigh the benefits of this coding style. Is this generally true? Is this something that is normally done on mobile platforms for the reasons given above? All feedback welcome and appreciated -

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• Top Fusion Apps User Experience Guidelines & Patterns That Every Apps Developer Should Know About

  - by ultan o'broin

  We've announced the availability of the Oracle Fusion Applications user experience design patterns. Developers can get going on these using the Design Filter Tool (or DeFT) to select the best pattern for their context of use. As you drill into the patterns you will discover more guidelines from the Applications User Experience team and some from the Rich Client User Interface team too that are also leveraged in Fusion Apps. All are based on the Oracle Application Development Framework components. To accelerate your Fusion apps development and tailoring, here's some inside insight into the really important patterns and guidelines that every apps developer needs to know about. They start at a broad Fusion Apps information architecture level and then become more granular at the page and task level. Information Architecture: These guidelines explain how the UI of an Oracle Fusion application is constructed. This enables you to understand where the changes that you want to make fit into the oveall application's information architecture. Begin with the UI Shell and Navigation guidelines, and then move onto page-level design using the Work Areas and Dashboards guidelines. UI Shell Guideline Navigation Guideline Introduction to Work Areas Guideline Dashboards Guideline Page Content: These patterns and guidelines cover the most common interactions used to complete tasks productively, beginning with the core interactions common across all pages, and then moving onto task-specific ones. Core Across All Pages Icons Guideline Page Actions Guideline Save Model Guideline Messages Pattern Set Embedded Help Pattern Set Task Dependent Add Existing Object Pattern Set Browse Pattern Set Create Pattern Set Detail on Demand Pattern Set Editing Objects Pattern Set Guided Processes Pattern Set Hierarchies Pattern Set Information Entry Forms Pattern Set Record Navigation Pattern Set Transactional Search and Results Pattern Group Now, armed with all this great insider information, get developing some great-looking, highly usable apps! Let me know in the comments how things go!

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• In an Entity/Component system, can component data be implemented as a simple array of key-value pairs? [on hold]

  - by 010110110101

  I'm trying to wrap my head around how to organize components in an Entity Component Systems once everything in the current scene/level is loaded in memory. (I'm a hobbyist BTW) Some people seem to implement the Entity as an object that contains a list of of "Component" objects. Components contain data organized as an array of key-value pairs. Where the value is serialized "somehow". (pseudocode is loosely in C# for brevity) class Entity { Guid _id; List<Component> _components; } class Component { List<ComponentAttributeValue> _attributes; } class ComponentAttributeValue { string AttributeName; object AttributeValue; } Others describe Components as an in-memory "table". An entity acquires the component by having its key placed in a table. The attributes of the component-entity instance are like the columns in a table class Renderable_Component { List<RenderableComponentAttributeValue> _entities; } class RenderableComponentAttributeValue { Guid entityId; matrix4 transformation; // other stuff for rendering // everything is strongly typed } Others describe this actually as a table. (and such tables sound like an EAV database schema BTW) (and the value is serialized "somehow") Render_Component_Table ---------------- Entity Id Attribute Name Attribute Value and when brought into running code: class Entity { Guid _id; Dictionary<string, object> _attributes; } My specific question is: Given various components, (Renderable, Positionable, Explodeable, Hideable, etc) and given that each component has an attribute with a particular name, (TRANSLATION_MATRIX, PARTICLE_EMISSION_VELOCITY, CAN_HIDE, FAVORITE_COLOR, etc) should: an entity contain a list of components where each component, in turn, has their own array of named attributes with values serialized somehow or should components exist as in-memory tables of entity references and associated with each "row" there are "columns" representing the attribute with values that are specific to each entity instance and are strongly typed or all attributes be stored in an entity as a singular array of named attributes with values serialized somehow (could have name collisions) or something else???

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• JSR Updates - Multiple JSRs migrate to latest JCP version

  - by Heather VanCura

  As part of the JCP.Next reform effort, many JSRs have migrated to the latest version of the JCP program in the last month.  These JSRs' Spec Leads and Expert Groups are contributing to the strides the JCP has been making to enable greater community transparency, participation and agility to the working of the JSR development through the JCP program. Any other JSR Spec Leads interested in migrating to the latest JCP version, now JCP 2.9, as of 13 November, incorporating the Merged Executive Committee (EC), see the Spec Lead Guide for instructions on migrating to the latest JCP version.  For JCP 2.8 JSRs, you are effectively already operating under JCP 2.9 since there are no longer two ECs.  This is the difference for JCP 2.8 JSRs migrating to JCP 2.9 -- a merged EC.  To make the migration official, just inform your Expert Group on a public channel and email your request to admin at jcp.org. JSR 310, Date and Time API, led by Stephen Colebourne and Michael Nascimento and Oracle (Roger Riggs)  JSR 349, Bean Valirdation 1.1, led by RedHat (Emmanuel Bernard) JSR 350, Java State Management, led by Oracle (Mitch Upton) JSR 339, JAX-RS 2.0: The Java API for RESTful Web Services, led by Oracle, (Santiago Pericas-Geertsen and Marek Potociar) JSR 347, Data Grids for the Java Platform, led by RedHat (Manik Surtani)

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• Only 5 days left...your vote is needed!

  - by mvaughan

       By Misha Vaughan, Oracle Applications User Experience It is a bit early for the voting season here in the U.S., but there is a very important (to me) voting window now upon us. Until Aug. 31, the public gets to vote on submissions to South by Southwest (SXSW) Interactive in Austin, Texas, in March 2013. This is a thought-leading software conference discussing the up-and-coming trends in industry. I have attended the interactive and the music portions of SXSW before, but I have never attempted a submission. This is my first year trying.  I am building on the themes from this conversation on simplicity with Jeremy Ashley for Oracle OpenWorld 2012. The SXSW session will be a chance to share best practices for moving designs that focus on simplicity successfully through an organization. Please take a moment and cast your vote.  Help me get Oracle on the roster at SXSW! There are only five days left to vote! My colleague Ultan O’Broin has also submitted, and I encourage you to vote for his sessions as well. 

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• Revolutionizing Digital Commerce

  - by bwalstra

  The confluence of the Internet, the pace of change in technology, and the demands of the value-conscious consumer are accelerating the evolution of the global digital marketplace at an unprecedented rate. Success in the new digital economy has become inextricably linked with the agility to launch innovative products, services, and new business models efficiently with minimal risk. A major obstacle to agility, and by extension to success in digital commerce, is the fact that by and large information technology (IT) infrastructure is tightly coupled with particular business models. Enterprises, through well intentioned but misconstrued costsaving belief, continue to customize existing infrastructure and create now silos to support new business models. In reality, this approach results in rigid, inflexible business processes and exposes the enterprise to unnecessary risks, higher opportunity costs, and lower profit margins. Oracle, a leading supplier of business solutions to the enterprise, is enabling the business strategies necessary to succeed in the digital economy by offering a modern, open, modular, and functionally comprehensive revenue management solution that decouples IT infrastructure from business models. Enterprises using the Oracle solution are able to focus on core competencies and innovate unimpeded, assuring that business and IT systems will seamlessly adapt to changing conditions of the digital economy. Revolutionizing Digital Commerce:  An Oracle Revenue Management Solution

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• JavaOne Latin America Keynotes

  - by Tori Wieldt

  The JavaOne Latin America keynotes will provide a blend of information from Oracle's top Java engineers and leaders from the Java community. Oracle has lined up leaders in Java development and the Java community has put togehter their own mix of Java champions to share their insights with you. Don’t miss what they have to say! In the Java Strategy and Technical Keynote on Tuesday, you'll get a glimpse of the future and the vast opportunities Java makes possible from these Oracle experts: Judson Althoff, Senior Vice President, Worldwide Alliances and Channels and Embedded Sales Nandini Ramani, Vice President of Engineering, Java Client and Mobile Platforms Georges Saab, Vice President of Development Henrik Stahl, Senior Director, Product Management Simon Ritter, Java Technology Evangelist Terrence Barr, Senior Technologist JavaOne Latin America with close with the popular Java Community Keynote on Thursday. You'll hear from members of Latin America's vibrant Java community. They'll sharing amazing developer stories and demo cool projects--and have some fun along the way. The Duke's Choice Award ceremony will be included as well. Speakers include: Fabiane Nardon, Computer Scientist and Java Champion Vinícius Senger, Founder, Globalcode Yara Senger, President, SouJava and Java Champion Bruno Souza, Founder, SouJava and Java Champion JavaOne Latin America is the event of the year for Java developers—and you have to be there. Learn new skills. Get answers. Make new friends and connections. JavaOne Latin America will in São Paulo, 4-6 December 2012 at the Transamerica Expo Center. There's still time to register!  Para mais informações ou inscrição ligue para (11) 2875-4163. 

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• 10gR2 Transportable Tablespaces Certified for EBS 11i

  - by Steven Chan

  Database migration across platforms of different "endian" (byte ordering) formats using the Cross Platform Transportable Tablespaces (XTTS) process is now certified for Oracle E-Business Suite Release 11i (11.5.10.2) with Oracle Database 10g Release 2.  This process is sometimes also referred to as transportable tablespaces (TTS).What is the Cross-Platform Transportable Tablespace Feature?The Cross-Platform Transportable Tablespace feature allows users to move a user tablespace across Oracle databases. It's an efficient way to move bulk data between databases. If the source platform and the target platform are of different endianness, then an additional conversion step must be done on either the source or target platform to convert the tablespace being transported to the target format. If they are of the same endianness, then no conversion is necessary and tablespaces can be transported as if they were on the same platform.Moving data using transportable tablespaces can be much faster than performing either an export/import or unload/load of the same data. This is because transporting a tablespace only requires the copying of datafiles from source to the destination and then integrating the tablespace structural information. You can also use transportable tablespaces to move both table and index data, thereby avoiding the index rebuilds you would have to perform when importing or loading table data.

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• IDC's Sally Hudson on Securing Mobile Access

  - by Naresh Persaud

  After the launch of Identity Management 11g R2, Oracle Magazine writer David Baum sat down with Sally Hudson, research director of security products at International Data Corporation (IDC) to get her perspective on securing mobile access.  Below is an excerpt from the interview. The complete article can be found here. "We’re seeing a much more diverse landscape of devices, computing habits, and access methods from outside of the corporate network. This trend necessitates a total security picture with different layers and end-point controls. It used to be just about keeping people out. Now, you have to let people in. Most organizations are looking toward multifaceted authentication—beyond the password—by using biometrics, soft tokens, and so forth to do this securely. Corporate IT strategies have evolved beyond just identity and access management to encompass a layered security approach that extends from the end point to the data center. It involves multiple technologies and touch points and coordination, with different layers of security from the internals of the database to the edge of the network." ( Sally Hudson, Oracle Mag Sept/Oct 2012) As the landscape changes you can find out how to adapt by reading Oracle's strategy paper on providing identity services at Internet scale. 

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• why DbCommandBuilder (Oracle) produces weird WHERE-clause to UpdateCommand?

  - by matti

  I have a table HolidayHome in oracle db which has unique db index on Id (I haven't specified this in the code in any way for adapter/table/dataset, don't know if i should/can). DbDataAdapter.SelectCommand is like this: SELECT Id, ExtId, Label, Location1, Location2, Location3, Location4, ClassId, X, Y, UseType FROM HolidayHome but UpdateCommand generated by DbCommandBuilder has very weird where clause: UPDATE HOLIDAYHOME SET ID = :p1, EXTID = :p2, LABEL = :p3, LOCATION1 = :p4, LOCATION2 = :p5, LOCATION3 = :p6, LOCATION4 = :p7, CLASSID = :p8, X = :p9, Y = :p10, USETYPE = :p11 WHERE ((ID = :p12) AND ((:p13 = 1 AND EXTID IS NULL) OR (EXTID = :p14)) AND ((:p15 = 1 AND LABEL IS NULL) OR (LABEL = :p16)) AND ((:p17 = 1 AND LOCATION1 IS NULL) OR (LOCATION1 = :p18)) AND ((:p19 = 1 AND LOCATION2 IS NULL) OR (LOCATION2 = :p20)) AND ((:p21 = 1 AND LOCATION3 IS NULL) OR (LOCATION3 = :p22)) AND ((:p23 = 1 AND LOCATION4 IS NULL) OR (LOCATION4 = :p24)) AND (CLASSID = :p25) AND (X = :p26) AND (Y = :p27) AND (USETYPE = :p28)) all these fields that have like: ((:p17 = 1 AND LOCATION1 IS NULL) OR (LOCATION1 = :p18)) are defined in oracle db like this: LOCATION1 VARCHAR2(30) so they allow null values. the code looks like this: static bool CreateInsertUpdateDeleteCmds(DbDataAdapter dataAdapter) { DbCommandBuilder builder = _trgtProvFactory.CreateCommandBuilder(); builder.DataAdapter = dataAdapter; // Get the insert, update and delete commands. dataAdapter.InsertCommand = builder.GetInsertCommand(); dataAdapter.UpdateCommand = builder.GetUpdateCommand(); dataAdapter.DeleteCommand = builder.GetDeleteCommand(); } what to do? The UpdateCommand is utter madness. Thanks & Best Regards: Matti

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• EPM Architecture: Reporting and Analysis

  - by Marc Schumacher

  Reporting and Analysis is the basis for all Oracle EPM reporting components. Through the Java based Reporting and Analysis web application deployed on WebLogic, it enables users to browse through reports for all kind of Oracle EPM reporting components. Typical users access the web application by browser through Oracle HTTP Server (OHS). Reporting and Analysis Web application talks to the Reporting and Analysis Agent using CORBA protocol on various ports. All communication to the repository databases (EPM System Registry and Reporting and Analysis database) from web and application layer is done using JDBC. As an additional data store, the Reporting and Analysis Agent uses the file system to lay down individual reports. While the reporting artifacts are stored on the file system, the folder structure and report based security information is stored in the relational database. The file system can be either local or remote (e.g. network share, network file system). If an external user directory is used, Reporting and Analysis services also communicate to this directory. The next post will cover WebAnalysis.

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• How can I set up FakeRAID/SoftRAID using mdadm without losing data?

  - by Danatela

  There is RAID0 of 2 drives connected through Silicon Image 3132 SATA SoftRAID controller. Under Windows it was partitioned as one dynamic GPT-disk having 4 TB NTFS volume. There is a lot of music and movies on the drive. I'm trying to get him to be seen under Ubuntu as a single disk, not as 2 by 2 terabytes. I tried to read it through dmraid, had no success, it is not displayed in /dev/mapper. Also tried to configure the kernel, but did not find anything suspicious, the driver for my controller was on. There is also a driver from the manufacturer, but it is only available for RHEL and SLES. Here it's reported that SoftRAID is supported by the kernel, but apparently not completely. If I thrust drives in the AMD controller, built into the motherboard, the drive is seen as a single, but the data is lost. I know about mdadm that it is able to ditch all the information on the disks. So, is it possible to somehow create an array without actually recording information on used drives and to make the system correctly identify sections on it later? Information about the array: /dev/sdf - Disk 0 /dev/sdg - Disk 1 Array type: Stripe Block Size: 64KB Also, a device /dev/md1 is created using command mknod /dev/md1 b 9 1

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• 1. születésnap - új tartalom

  - by Lajos Sárecz

  Kb. 1 éve, június elején kezdtem a blogot írni. Az elmúlt egy év alatt 3395 egyedi látogatója volt a blognak, a látogatók alkalmanként átlagosan 59 másodpercet töltöttek el itt. Azt is el kell ismerni, hogy elég nagy a visszafordulási arány (83,5%), azaz az idetévedok kevesebb mint ötöde találja hasznosnak a tartalmat. Ennek persze lehet egy fontos oka, hogy az IT kifejezésekre keresések miatt külföldiek számára is feljön a keresokben a blogom, így csak megnyitva a blogot észlelik, hogy nem értenek magyarul :-). Jól mutatja az alábbi térkép is, hogy a világ számos pontjáról idetalálnak (van aki egyébként használ valami webes fordító megoldást a nyelvi akadály leküzdésére), de az is látszik hogy a célközönséget is sikerül elérni, azaz a látogatók zöme Magyarországról érkezik (3505 látogatás az összes 5082-bol). Érdekes, hogy a legtöbb látogató a "vb tippjáték" (110 látogató) kifejezésre talált ide, ezt követi az "oracle junior képzés" (42), majd a "kyte" (40) (nem biztos hogy Tom Kyte-ra gondoltak :-)). Csupán a 4. helyen áll az elso igazi IT keresés: "oracle workflow" (37), majd "oracle enterprise manager" (33). A napi csúcslátogatást (76) is a vb tippjátékra keresoknek köszönheti a blog... Az 1. születésnap örömére próbáltam valami újítást csinálni. A fejléc alatt látható új menüsorba próbálom összeszedni azokat a hasznos oldalakat, amelyek kapcsolódnak a blog témájához, ám esetleg nem annyira egyszeru rátalálni a weben. Tervezem még ezt tovább bovíteni, esetleg egy külön oldalt is létrehozni erre a célra a blog mögött. Remélem ezzel segítem a blog olvasók munkáját.

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• What data should be cached in a multiplayer server, relative to AI and players?

  - by DevilWithin

  In a virtual place, fully network driven, with an arbitrary number of players and an arbitrary number of enemies, what data should be cached in the server memory, in order to optimize smooth AI simulation? Trying to explain, lets say player A sees player B to E, and enemy A to G. Each of those players, see player A, but not necessarily each other. Same applies to enemies. Think of this question from a topdown perspective please. In many cases, for example, when a player shoots his gun, the server handles the sound as a radial "signal" that every other entity within reach "hear" and react upon. Doing these searches all the time for a whole area, containing possibly a lot of unrelated players and enemies, seems to be an issue, when the budget for each AI agent is so small. Should every entity cache whatever enters and exits from its radius of awareness? Is there a great way to trace the entities close by without flooding the memory with such caches? What about other AI related problems that may arise, after assuming the previous one works well? We're talking about environments with possibly hundreds of enemies, a swarm.

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• ProtoInclude for fields ?

  - by Big

  I have a simple object [ProtoContract] public class DataChangedEventArgs<T> : EventArgs { private readonly object key; private readonly T data; private readonly DataChangeType changeType; ///<summary> /// Key to identify the data item ///</summary> public object Key { get { return key; } } [ProtoMember(2, IsRequired = true)] public T Data { get { return data; } } [ProtoMember(3, IsRequired = true)] public DataChangeType ChangeType { get { return changeType; } } and I have a problem with the key. Its type is object, but it can be either int, long or string. I would intuitively use a ProtoInclude attribute to say "expect these types" but unfortunately they are class only attribute. Does anybody has any idea how I could work around this ? For background, the public object Key is here for historical reasons (and all over the place) so I would very much like to avoid the mother of all refactorings ;-) Any chance I could get this to Serialize, even force it to Serialize as a string ?

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• NINE Great Reasons to Attend the GlassFish Community Event at JavaOne 2012

  - by Alexandra Huff

  Are you coming to the annual GlassFish Community Event at JavaOne this year? Here are nine great reasons not to miss it! Great company Meet and mingle with community leaders and luminaries, the GlassFish engineering team, and Oracle executives! Learn from others How are your peers using GlassFish in creative ways? A few community members will share their challenges and creative solutions. Ask tough questions Meet Oracle GlassFish and Middleware executives; the panel discussion will be moderated by one of our stellar community leaders! Shirts! Be sure to get this year's GlassFish T-shirt, designed by and voted on by YOU, our community members! Don't miss it - they go fast. Share your story Give us a two minute update on why you love GlassFish and how you are using it! We will immortalize you in a very brief video and post it to our GlassFish Stories page! Find out... about the new book, hot off the press, authored by our very own Arun Gupta: "Java EE 6 Pocket Guide: A Quick Reference for Simplified Enterprise Java Development" If you share... your story, you will win a copy of Arun's new book as our thank you gift! Suggest... some ideas on how to make GlassFish even better! Have fun Lively discussion, news and updates, excellent company -- this is THE place to be on Sunday at JavaOne! Convinced? Excellent! Then please register here! A JavaOne Pass is required to enter Moscone Center. All passes accepted, including Discover, Exhibitor, Press, Blogger, etc. Agenda 11:00 - 11:05: Introduction 11:05 - 11:30: Roadmap and Community Updates 11:30 - 12:15: Q&A with Executive Speaker Panel from Oracle and the GlassFish Team 12:15 - 01:00: Customer Testimonials Location: Moscone West, Room 2005 Add sessions UGF10359 and UGF10360 to Schedule Builder

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• Symfony 1.4/ Doctrine; n-m relation data cannot be accessed in template (indexSuccess)

  - by chandimak

  I have a database with 3 tables. It's a simple n-m relationship. Student, Course and StudentHasCourse to handle n-m relationship. I post the schema.yml for reference, but it would not be really necessary. Course: connection: doctrine tableName: course columns: id: type: integer(4) fixed: false unsigned: false primary: true autoincrement: false name: type: string(45) fixed: false unsigned: false primary: false notnull: false autoincrement: false relations: StudentHasCourse: local: id foreign: course_id type: many Student: connection: doctrine tableName: student columns: id: type: integer(4) fixed: false unsigned: false primary: true autoincrement: false registration_details: type: string(45) fixed: false unsigned: false primary: false notnull: false autoincrement: false name: type: string(30) fixed: false unsigned: false primary: false notnull: false autoincrement: false relations: StudentHasCourse: local: id foreign: student_id type: many StudentHasCourse: connection: doctrine tableName: student_has_course columns: student_id: type: integer(4) fixed: false unsigned: false primary: true autoincrement: false course_id: type: integer(4) fixed: false unsigned: false primary: true autoincrement: false result: type: string(1) fixed: true unsigned: false primary: false notnull: false autoincrement: false relations: Course: local: course_id foreign: id type: one Student: local: student_id foreign: id type: one Then, I get data from tables in executeIndex() from the following query. $q_info = Doctrine_Query::create() ->select('s.*, shc.*, c.*') ->from('Student s') ->leftJoin('s.StudentHasCourse shc') ->leftJoin('shc.Course c') ->where('c.id = 1'); $this->infos = $q_info->execute(); Then I access data by looping through in indexSuccess.php. But, in indexSuccess I can only access data from the table Student. <?php foreach ($infos as $info): ?> <?php echo $info->getId(); ?> <?php echo $info->getName(); ?> <?php endforeach; ?> I expected, that I could access StudentHasCourse data and Course data like the following. But, it generates an error. <?php echo $info->getStudentHasCourse()->getResult()?> <?php echo $info->getStudentHasCourse()->getCourse()->getName()?> The first statement gives a warning; Warning: call_user_func_array() expects parameter 1 to be a valid callback, class 'Doctrine_Collection' does not have a method 'getCourse' in D:\wamp\bin\php\php5.3.5\PEAR\pear\symfony\escaper\sfOutputEscaperObjectDecorator.class.php on line 64 And the second statement gives the above warning and the following error; Fatal error: Call to a member function getName() on a non-object in D:\wamp\www\sam\test_doc_1\apps\frontend\modules\registration\templates\indexSuccess.php on line 5 When I check the query from the Debug toolbar it appears as following and it gives all data I want. SELECT s.id AS s__id, s.registration_details AS s__registration_details, s.name AS s__name, s2.student_id AS s2__student_id, s2.course_id AS s2__course_id, s2.result AS s2__result, c.id AS c__id, c.name AS c__name FROM student s LEFT JOIN student_has_course s2 ON s.id = s2.student_id LEFT JOIN course c ON s2.course_id = c.id WHERE (c.id = 1) Though the question is short, as all the information mentioned it became so long. It's highly appreciated if someone can help me out to solve this. What I require is to access the data from StudentHasCourse and Course. If those data cannot be accessed by this design and this query, any other methodology is also appreciated.

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• Let Devoxx 2011 begin!

  - by alexismp

  Devoxx 2011 is kicking off today and Oracle will be well represented for all its Java efforts. Here's a quick rundown of the Java EE and GlassFish side of things. Cameron Purdy, now responsible for the entire Oracle middleware stack (WebLogic, GlassFish, TopLink, Coherence) will host the Java EE keynote, mostly focused on Java EE 7. There will be sessions on individual JSRs by spec leads : Nigel Deakin for JMS 2.0, Marek Potociar for JAX-RS 2.0, and Greg Luck (EHCache) for JSR107 / javax.cache. Oracle's Shaun Smith will also cover JPA 2.1 with some of the unique EclipseLink features such as multi-tenancy. BOFs on Java EE.next and CDI are also planned during the week. Finally, Arun Gupta will be delivering a complete Java EE 6 hands-on lab. There will also be GlassFish-related sessions. A first one will focus on the current state of the community and product (3.1.x) with customers production stories, while GlassFish architect Jerome Dochez will walk you through the enhancements the team is working on for Java EE 7 and GlassFish 4 - virtualization, PaaS, elasticity and more. Last but not least, our good friends from Serli will discuss their latest GlassFish contributions on Application versioning and high-availability rolling upgrades.

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• ArchBeat Link-o-Rama for December 14, 2012

  - by Bob Rhubart

  JMS Step 6 - How to Set Up an AQ JMS (Advanced Queueing JMS) for SOA Purposes | John-Brown Evans John Brown Evans' post continues the series of JMS articles that demonstrate how to use JMS queues in a SOA context. "This example leads you through the creation of an Oracle database Advanced Queue and the related WebLogic server objects in order to use AQ JMS in connection with a SOA composite," John explains. And if you missed the first 5 steps, don't worry – the post includes links. Cloud Deployment Models | B. R. Clouse Looking out for the cloud newbies... "As the cloud paradigm grows in depth and breadth, more readers are approaching the topic for the first time, or from a new perspective," says B. R. Clouse. "This blog is a basic review of cloud deployment models, to help orient newcomers and neophytes." Understanding the JSF Lifecycle and ADF Optimized Lifecycle | Steven Davelaar Would you call that a surprise ending? Oracle WebCenter & ADF Architecture Team (A-Team) member learned a lot more than he expected while creating a UKOUG presentation entitled "What you need to know about JSF to be succesful with ADF." Using Oracle Enterprise Manager Cloud Control 12c with Filer Snapshotting | Porus Homi Havewala This concise technical article includes a script for database backup using snapshots and cataloging in RMAN. Thought for the Day "A program which perfectly meets a lousy specification is a lousy program." — Cem Kaner Source: SoftwareQuotes.com

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• ArchBeat Link-o-Rama for November 13, 2012

  - by Bob Rhubart

  This week on the OTN Solution Architect Homepage Make time to check out this week's features on the OTN Solution Architect Homepage, including: SOA Practitioner Guide: Identifying and Discovering Services Setting Up, Configuring, and Using an Oracle WebLogic Server Cluster OTN ArchBeat Podcast: Are You Future Proof (Conclusion) Keynote: New Paradigms for Application Architecture: From Applications to IT Services I this keynote address from the SOA, Cloud, and Service Technology Symposium, Anne Thomas Manes highlights the importance of adapting to the current trend marked by the convergence of mobile, social and cloud, moving away from app-centric design to service-based solutions. New Solaris Cluster! | Jeff Victor "Oracle Solaris Cluster 4.1 offers both High Availability (HA) and also Scalable Services capabilities," explains Jeff Victor. "HA delivers automatic restart of software on the same cluster node and/or automatic failover from a failed node to a working cluster node. Software and support is available for both x86 and SPARC systems." You'll find download links and other resources in Jeff's short post. ADF BC View Accessor To Centralize Business Logic Processing | Andrejus Baranovskis Oracle ACE Director Andrejus Baranovskis illustrates one way to implement a use case that requires a comparison between the current row status and the data returned by another query (no master-detail relationship). Thought for the Day "The danger from computers is not that they will eventually get as smart as men, but that we will meanwhile agree to meet them halfway." — Bernard Avishai Source: SoftwareQuotes.com

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