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ray livia

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since Aug 04, 2007
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Recent posts by ray livia

Hi, buddies,

I am going to build a distributed solution based on the following requirements:

1. I have one production Java web service site (Spring+MS SQL server).
2. I have to build a new site in other region.
3. The two site DB data must be synchronous by real time.

My current consideration is to use MS SQL server replication feature. I guess replication in real time production env is big challenge. Do you have other good solutions? e.g. distributed data transaction?

Thank you in advanced.
10 years ago
Thank you, John. I will check with Sun.
I checked the assignment website and got I passed the Part II and III in Jun 29. However the Sun certification database website has not been updated yet (still is pending). Does anyone know when I can get the cert hard copy? Thank you.
Thanks, James,

But I still has some question: is JAAS and container declarative security (role and permission) somehow overlapped? e.g. in user identity check.
You could try with JAAS. I did some reading on this. JAAS provide good support on both programmatic custom and container mananged. I did not go very deep into it. Please let me know if any wrong.
I am using MS word to create HTML. It seems there are some XML config files generated. I am afraid the files compatible. What tool do you use to create HTML files in assignment? Thank you.
For security topic, I am quite confused on followings:
1. Login mechanisms specified by the J2EE platform (HTTP basic authentication, SSL authentication, or form-based login)
2. JAAS approaches
3. Customized login and authoriazation application modules

My quesitons are:
1. Does JAAS support both 1 and 3?

2. Is it correct always: There are two kinds of users in an application: J2EE system users and application users. System users are created as users in the J2EE platform, using vendor-specific tools. Application users are represented and managed by application code.

3. What are different of JAAS and Customized login and authoriazation application modules for applicaiton users?
11 years ago
For security topic, I am quite confused on followings:
1. Login mechanisms specified by the J2EE platform (HTTP basic authentication, SSL authentication, or form-based login)
2. JAAS approaches
3. Customized login and authoriazation application modules

My quesitons are:
1. Does JAAS support both 1 and 3?

2. Is it correct always: There are two kinds of users in an application: J2EE system users and application users. System users are created as users in the J2EE platform, using vendor-specific tools. Application users are represented and managed by application code.

3. What are different of JAAS and Customized login and authoriazation application modules for applicaiton users?
Will most people stick in one approach or combine several? My initial draft is based on my current experience and knowledge. I am just concern if there is some standard approach (RUP, DDD, etc) and I want to learn more from that to refresh my knowledge.
As to title, in Part 2, I am concerned which approach will be the better as entry point? Based on DDD or tradictional database driven approach. It seems DDD will take me quite a lot learning curve.

Thank you
Hi, all, I just called Sun ED hot line. They told me I have to buy the Part II and III by Feb 29, 2008. For the failed assignment in case, they could provide internal access for re-submit by Dec 31, 2008.
As to the title, I brought a voucher of Part 1 of old version SCEA. Could I take SCEA part 1 of old version and then take SCEA5 in part 2 and 3 when it is released?
I and using the 4.0.5GA version and encounter this problem in my live env. Does anyone know which version could fix this issue? We have to clean the work folder manually!
11 years ago