Memory problem - state saving?

Hi,
We've been having some serious memory leak problems with our application, and is seems like we've narrowed down the symptoms :
Objects referenced by af:table components (i.e. The classes that the rows of the table are based on) continually have their counts increase when viewed in the memory profiler.
e.g. If a page containing a table that has 1 row, based on object A, then the count of class A increases by 1 each time the page is loaded.
This continues to happen, until after loading the page approximately 25-30 times, the number remains relatively steady (fluctuating a little).
If the javax.faces.STATE_SAVING_METHOD is set to "server", the same thing occurs, except that the number only continues to grow for the first 5 or so times.
I've tried setting the CLIENT_STATE_MAX_TOKENS variable, but this seemed to have absolutely no effect.
Is there a way to stop these created objects from persisting?
(I'm not sure if it is related at all, but a new ProcessScopeMap object is being added on every action - i.e. the count is increasing also)
Message was edited by:
lturner

Did you create an SR for this? I'm reading about lots of problems regarding the state and session management of JSF applications and I didn't find a solution yet.
Maybe we need to make sure this is picked up by the Development Team so somebody is looking into these issues.
We're having performance issues as well, and we would like to narrow down the issues. We're looking at the STATE_SAVINGS_METHOD as well, and connection pooling to know what causes these issues.
If someone can give usefull tips & tricks this would be very welcome to everybody on this forum.

Similar Messages

Problem with server side state saving ,JSF 1.1.1

Hello,
In my web.xml the.STATE_SAVING_METHOD setting is s server
<context-param>
 <param-name>javax.faces.STATE_SAVING_METHOD</param-name>
 <param-value>server</param-value>
 </context-param>
for measurement of application security isn't not allow to change this parameter to client , so the problem when i access for application and i open a new page via linker for print for example and i would access for my initial page to make change or modify my initial page it s no possible to make any modification because i have a empty bean , but if the state saving is a client i haven't a problem because a tree map is stored in client browser, so my version of JSF is 1.1.1 ,
So can you explain the cause for his problem
and what's the solution for my problem ?
NB:i can't change the parameter for STATE_SAVING_METHOD for a client
Thank you

did you search this form, there were lot of discussions in the past about server side cookies, you may find an answer to your problem.
alternate approache for sending a value from parent page to the pop up window.
1. when opening the pop up pass the values along with the url (if the size of variable is small)
alternatively you can store the value in a hidden form field in parent window and access the same from poup window using
you can simple access the page one form field value in page 2 (pop up) by using the following code.
window.opener.document.getElementById('hiddenformfieldid').value

ADF server-side state saving method

Hi all,
As far as I know, ADF has three view state saving methods.
1. client - tokens
2. client - all
3. server
My question is about server-side state saving.
If I set state saving methos "server" in web.xml, view state is stored in session scope as LRU map.
And the size of the map can be configured with below parameters in web.xml.
<context-param>
<param-name>com.sun.faces.numberOfViewsInSession</param-name>
<param-value>10</param-value>
</context-param>
<context-param>
<param-name>com.sun.faces.numberOfLogicalViews</param-name>
<param-value>5</param-value>
</context-param>
However I think these parameters is offered by Mojarra (Sun's JSF RI) and any ADF guides don't mention them.
These parameters are supported in ADF?
Regards,
Atsushi

Hi,
don't have a support statement for this but would be surprised if we don't as ADF Faces runs on top of the JSF RI.
However, I am wondering why your customer prefers state saving being handled on the server as it doesn't allow fail over for your application setup. Also it is the recommended option
http://docs.oracle.com/cd/E25054_01/web.1111/b31973/ap_config.htm#CEGECDJF
+"Context parameter javax.faces.STATE_SAVING_METHOD: Specifies where to store the application's view state. By default this value is server, which stores the application's view state on the server. *It is recommended that you set javax.faces.STATE_SAVING_METHOD to client* when you use ADF Faces, to store the view state on the browser client. When set to client, ADF Faces then automatically uses token-based, client-side state saving. *You can specify the number of tokens to use instead of using the default number of 15*.+
+You can specify the following state-saving context parameters:+
+org.apache.myfaces.trinidad.CLIENT_STATE_METHOD: Specifies the type of client-side state saving to use when client-side state saving is enabled by using javax.faces.STATE_SAVING_METHOD. The values for CLIENT_STATE_METHOD are:+
+token: (Default) Stores the page state in the session, but persists a token to the client. The simple token, which identifies a block of state stored back on the HttpSession object, is stored on the client. This enables ADF Faces to disambiguate the same page appearing multiple times. Failover is supported.+
+all: Stores all state information on the client in a (potentially large) hidden form field. It is useful for developers who do not want to use HttpSession.+
+*Performance Tip:*+
+Because of the potential size of storing all state information, it is recommended that you set client-state saving to token.+
+*org.apache.myfaces.trinidad.CLIENT_STATE_MAX_TOKENS*: Specifies how many tokens should be stored at any one time per user, when token-based client-side state saving is enabled. The default is 15. When the number of tokens is exceeded, the state is lost for the least recently viewed pages, which affects users who actively use the Back button or who have multiple windows opened at the same time. If you are building HTML applications that rely heavily on frames, you would want to increase this value.+
+*org.apache.myfaces.trinidad.COMPRESS_VIEW_STATE*: Specifies whether or not to globally compress state saving on the session. Each user session can have multiple pageState objects that heavily consume live memory and thereby impact performance. This overhead can become a much bigger issue in clustering when session replication occurs. The default is off.+
+org.apache.myfaces.trinidad.USE_APPLICATION_VIEW_CACHE: Enables the Application View Cache (AVC), which can improve scalability by caching the state for the initial renders of the page's UI at an application scope. However, every page in the application must by analyzed for support in the AVC to avoid potential problems with debugging in an unexpected state and information leakage between users. Additionally, development is more difficult since page updates are not noticed until the server is restarted, and although initial render performance is enhanced, session size is not.+
+*CAUTION:*+
+The Application View Cache is not supported for this release. The feature does not work for any page where the rendering of the component tree causes the structure of the component tree to change temporarily. Since this is often the case, USE_APPLICATION_VIEW_CACHE should not be used."+
So unless your customer has a good reason for server side state I would suggest him/her to go with best practices
Frank

Memory problems with PreparedStatements

Driver: 9.0.1 JDBC Thin
I am having memory problems using "PreparedStatement" via jdbc.
After profiling our application, we found that a large number oracle.jdbc.ttc7.TTCItem objects were being created, but not released, even though we were "closing" the ResultSets of a prepared statements.
Tracing through the application, it appears that most of these TTCItem objects are created when the statement is executed (not when prepared), therefore I would have assumed that they would be released when the ResultSet is close, but this does not seem to be the case.
We tend to have a large number of PreparedStatement objects in use (over 100, most with closed ResultSets) and find that our application is using huge amounts of memory when compared to using the same code, but closing the PreparedStatement at the same time as closing the ResultSet.
Has anyone else found similar problems? If so, does anyone have a work-around or know if this is something that Oracle is looking at fixing?
Thanks
Bruce Crosgrove

From your mail, it is not very clear:
a) whether your session is an HTTPSession or an application defined
session.
b) What is meant by saying: JSP/Servlet is growing.
However, some pointers:
a) Are there any timeouts associated with session.
b) Try to profile your code to see what is causing the memory leak.
c) Are there references to stale data in your application code.
Marilla Bax wrote:
hi,
we have some memory - problems with the WebLogic Application Server
4.5.1 on Sun Solaris
In our Customer Projects we are working with EJB's. for each customer
transaction we create a session to the weblogic application server.
now there are some urgent problems with the java process on the server.
for each session there were allocated 200 - 500 kb memory, within a day
the JSP process on our server is growing for each session and don't
reallocate the reserved memory for the old session. as a work around we
now restart the server every night.
How can we solve this problem ?? Is it a problem with the operating
system or the application server or the EJB's ?? Do you have problems
like this before ?
greetings from germany,

Nokia C5-03 Low memory problems ( Other Files )

Please help. I have a nokia C5-03 the handset is showing phone memory is full. I have checked and uninstalled all unecessay applications. But problem is still there. when i check the phone memory it indicates that i have other files of 42mb installed and using phone memory. however i am unable to check what other files are installed or classfied as other files. Can you please assist me so i can know what these other files consist of or where they are located.

Hi Thetao,
I typed a more extensive reaction before, but it got lost when I pressed "post". Therefore I just respond to the main points that you mentioned (and some I found out myself).
Strange: I can't find the 40 MB Maximum User Storage on the Nokia website anymore (nor the 75 MB). But it sounds very familiar to me. It looks to me as if they removed this from the phone specs, also of other Smartphones by the way.
Yesterday, I deleted some small apps that I don't use (anymore) such as InternetRadio and I also removed Nokia email. Although the apps were below 2 MB together, this freed up over 7 MB of Phone memory (24 MB free now)! I think there were still some old emails stored in C: which I couldn't delete any other way. This helped me a great deal already but I tried your suggestions as well.
1. No map data or CITIES folder on C: 2. Switched messages memory to phone (and phone to offline mode) and I did indeed find a forgotten email account with 30 email messages. Not much but I had 24,7 MB free after that. Of course, I put messages memory back to the memorycard. 3. Used the free edition of Y-Browser to manually delete the cache folder. Not much data in that, but 25,1 MB free after that. Nice tool, with which you can reach folders that normally stay hidden! Used YBrowser to search all C: for files over 300 kB. Only 2 files: boot_space.txt in C:\ (500 kB, contains only the X repeatedly as far as I see, but is probably essential for the operating system) and C:\resource\python25\pyton25.zip (1 MB). It looks like an installation package, but I'm not sure if I can delete it. By the way: YBrowser hasn't made a shortcut in one of the menus. Only way that I found to start it was to look for it using the Phone's search function. Is there a way to make this shortcut myself?
4. Yes I did. No Images folder on C: anymore, nor other big files (see point 3)
5. I use Bluetooth for file transfer sometimes, mainly for installation files (such as YBrowser.sis, but I did this one via USB-cable). However, no big files are left on C: so I don't think I have this problem.
6. I tried to delete Nokia Chat yesterday as well (with the other apps), but it won't be uninstalled the normal way as it says "Uninstall cancelled" (not sure about the exact translation since my phone 'speaks' Dutch) Do you know if there's another way to get rid of this 3 MB app that I don't use at all?
I think I may have found an explanation and a solution for the memory problem while navigating. You mentioned the "memory in use" in the map settings. Above that option there's a slide bar for the % of memory that the navigation can use. Standard is 70%. I always thought this was about storage memory on (in my case) the memorycard. Another topic mentioned that this the working memory (so the RAM) that the navigation may use. Setting it to 70% means there's only 30% left for other apps that run in the background. The other topic states that this is nog enough so the slider should be set to for instance 30% for navigation leaving 70% free for "the phone". From behind my computer, navigation seems much more stable. I'll try this setting in my car soon and let you know how it works.
Thanks a lot for thinking along with me so far! There's already 25,1 MB of space, which is great since it was only 7 MB last Sunday. And navigation looks more stable. I'd appreciate if you have some more answers to my latest questions, but if not I think my phone will work a lot better already!
Regards, Paul

Memory problem on my e3500

Hi all,
I've a problem on this e3500 server, I had several reboot without printing anything in messages.
Now I found something, I think it's not cpu19 involved (score05 and syndrome not equal to 0x3), I suppose it's fault of 2 memory slot on board 7 or dimms. Nothing was evidencied by advanced POST.
Now the question is: How can I find the physical address of the bad dimms ( Nov 13 05:32:57 rhea SUNW,UltraSPARC-II: [ID 989652 kern.info] [AFT2] E$Data (0x10): 0x696cf36f.6e74726f Bad PSYND=0xff00) ? is possible to translate the hex code and find the J3*** number? Is there a table or a doc where I can find the answer? Why Oracle pid is involved in this case? Maybe only because that pid was unequal to parity alg?
Thank you in advance
Nov 13 05:32:57 rhea SUNW,UltraSPARC-II: [ID 949434 kern.warning] WARNING:
[AFT1] Uncorrectable Memory Error on CPU19 Data access at TL=0, err
ID 0x0000e56e.7c3643da
Nov 13 05:32:57 rhea AFSR 0x00000001<ME>.00300000<UE,CE> AFAR
0x00000000.8b212380
Nov 13 05:32:57 rhea AFSR.PSYND 0x0000(Score 05) AFSR.ETS 0x00 Fault_PC
0xffffffff7d000970
Nov 13 05:32:57 rhea UDBH 0x029c<UE> UDBH.ESYND 0x9c UDBL 0x0333<UE,CE>
UDBL.ESYND 0x33
Nov 13 05:32:57 rhea UDBH Syndrome 0x9c Memory Module Board 7 J3101
J3201 J3301 J3401 J3501 J3601 J3701 J3801
Nov 13 05:32:57 rhea SUNW,UltraSPARC-II: [ID 549381 kern.info] [AFT2] errID
0x0000e56e.7c3643da PA=0x00000000.8b212380
Nov 13 05:32:57 rhea E$tag 0x00000000.1cc01164 E$State: Exclusive
E$parity 0x0e
Nov 13 05:32:57 rhea SUNW,UltraSPARC-II: [ID 359263 kern.info] [AFT2]
E$Data
(0x00): 0x060337ff.01800180
Nov 13 05:32:57 rhea SUNW,UltraSPARC-II: [ID 989652 kern.info] [AFT2]
E$Data
(0x08): 0xffff3100.1c746578 Bad PSYND=0x00ff
Nov 13 05:32:57 rhea SUNW,UltraSPARC-II: [ID 989652 kern.info] [AFT2]
E$Data
(0x10): 0x696cf36f.6e74726f Bad PSYND=0xff00
Nov 13 05:32:57 rhea SUNW,UltraSPARC-II: [ID 359263 kern.info] [AFT2]
E$Data
(0x18): 0x6c736e63.31407669
Nov 13 05:32:57 rhea SUNW,UltraSPARC-II: [ID 359263 kern.info] [AFT2]
E$Data
(0x20): 0x7267696c.696f2e69
Nov 13 05:32:57 rhea SUNW,UltraSPARC-II: [ID 359263 kern.info] [AFT2]
E$Data
(0x28): 0x74ff0180.01800180
Nov 13 05:32:57 rhea SUNW,UltraSPARC-II: [ID 359263 kern.info] [AFT2]
E$Data
(0x30): 0x02c10201.80013001
Nov 13 05:32:57 rhea SUNW,UltraSPARC-II: [ID 359263 kern.info] [AFT2]
E$Data
(0x38): 0x30018009.42393935
Nov 13 05:32:57 rhea unix: [ID 321153 kern.notice] NOTICE: Scheduling
clearing of error on page 0x00000000.8b212000
Nov 13 05:32:57 rhea SUNW,UltraSPARC-II: [ID 512463 kern.info] [AFT3] errID
0x0000e56e.7c3643da Above Error is in User Mode
Nov 13 05:32:57 rhea and is fatal: will reboot
Nov 13 05:32:57 rhea SUNW,UltraSPARC-II: [ID 820260 kern.warning] WARNING:
[AFT1] Uncorrectable Memory Error on CPU19 Data access at TL=0, err
ID 0x0000e56e.7c3643da
Nov 13 05:32:57 rhea AFSR 0x00000001<ME>.00300000<UE,CE> AFAR
0x00000000.8b212380
Nov 13 05:32:57 rhea AFSR.PSYND 0x0000(Score 05) AFSR.ETS 0x00 Fault_PC
0xffffffff7d000970
Nov 13 05:32:57 rhea UDBH 0x029c<UE> UDBH.ESYND 0x9c UDBL 0x0333<UE,CE>
UDBL.ESYND 0x33
Nov 13 05:32:57 rhea UDBL Syndrome 0x33 Memory Module Board 7 J3101
J3201 J3301 J3401 J3501 J3601 J3701 J3801
Nov 13 05:32:57 rhea SUNW,UltraSPARC-II: [ID 549381 kern.info] [AFT2] errID
0x0000e56e.7c3643da PA=0x00000000.8b212380
Nov 13 05:32:57 rhea E$tag 0x00000000.1cc01164 E$State: Exclusive
E$parity 0x0e
Nov 13 05:32:57 rhea SUNW,UltraSPARC-II: [ID 359263 kern.info] [AFT2]
E$Data
(0x00): 0x060337ff.01800180
Nov 13 05:32:57 rhea SUNW,UltraSPARC-II: [ID 989652 kern.info] [AFT2]
E$Data
(0x08): 0xffff3100.1c746578 Bad PSYND=0x00ff
Nov 13 05:32:57 rhea SUNW,UltraSPARC-II: [ID 989652 kern.info] [AFT2]
E$Data
(0x10): 0x696cf36f.6e74726f Bad PSYND=0xff00
Nov 13 05:32:57 rhea SUNW,UltraSPARC-II: [ID 359263 kern.info] [AFT2]
E$Data
(0x18): 0x6c736e63.31407669
Nov 13 05:32:57 rhea SUNW,UltraSPARC-II: [ID 359263 kern.info] [AFT2]
E$Data
(0x20): 0x7267696c.696f2e69
Nov 13 05:32:57 rhea SUNW,UltraSPARC-II: [ID 359263 kern.info] [AFT2]
E$Data
(0x28): 0x74ff0180.01800180
Nov 13 05:32:57 rhea SUNW,UltraSPARC-II: [ID 359263 kern.info] [AFT2]
E$Data
(0x30): 0x02c10201.80013001
Nov 13 05:32:57 rhea SUNW,UltraSPARC-II: [ID 359263 kern.info] [AFT2]
E$Data
(0x38): 0x30018009.42393935
Nov 13 05:32:57 rhea SUNW,UltraSPARC-II: [ID 512463 kern.info] [AFT3] errID
0x0000e56e.7c3643da Above Error is in User Mode
Nov 13 05:32:57 rhea and is fatal: will reboot
Nov 13 05:32:57 rhea unix: [ID 855177 kern.warning] WARNING: [AFT1]
initiating reboot due to above error in pid 19609 (oracle)

Now a friend of mine has a similar problem, he's very far from my city so I can't see the server and I only have this message appeared at boot:
Rebooting with command: boot
Boot device: diskbrd File and args:
SunOS Release 5.8 Version Generic_117350-14 64-bit
Copyright 1983-2003 Sun Microsystems, Inc. All rights reserved.
WARNING: [AFT1] Uncorrectable Memory Error on CPU1 at TL=0, errID 0x00000028.9184e3e9
AFSR 0x00000001<ME>.80300000<PRIV,UE,CE> AFAR 0x00000000.00003cc0
AFSR.PSYND 0x0000(Score 05) AFSR.ETS 0x00 Fault_PC 0x1014f10c
UDBH 0x0333<UE,CE> UDBH.ESYND 0x33 UDBL 0x034d<UE,CE> UDBL.ESYND 0x4d
UDBH Syndrome 0x33 Memory Module Board 2 J3100 J3200 J3300 J3400 J3500 J3600 J3700 J3800
WARNING: [AFT1] Uncorrectable Memory Error on CPU1 at TL=0, errID 0x00000028.9184e3e9
AFSR 0x00000001<ME>.80300000<PRIV,UE,CE> AFAR 0x00000000.00003cc0
AFSR.PSYND 0x0000(Score 05) AFSR.ETS 0x00 Fault_PC 0x1014f10c
UDBH 0x0333<UE,CE> UDBH.ESYND 0x33 UDBL 0x034d<UE,CE> UDBL.ESYND 0x4d
UDBL Syndrome 0x4d Memory Module Board 2 J3100 J3200 J3300 J3400 J3500 J3600 J3700 J3800
panic[cpu1]/thread=2a1001ddd20: [AFT1] errID 0x00000028.9184e3e9 UE Error(s)
See previous message(s) for details
000002a1001dd3a0 SUNW,UltraSPARC-II:cpu_aflt_log+568 (2a1001dd45e, 1, 10155300, 2a1001dd5e8, 2a1001dd4ab, 10155328)
%l0-3: 00000300003a6a90 0000000000000003 000002a1001dd6b0 0000000000000010
%l4-7: 0000030001d8c290 0000000000000000 000002a75029c000 000002a100176fd0
000002a1001dd5f0 SUNW,UltraSPARC-II:cpu_async_error+868 (1046b370, 2a1001dd6b0, 180300000, 0, c7a6e6780300000, 2a1001dd870)
%l0-3: 0000000010475e90 0000000000000063 000000000000034d 0000000000000333
%l4-7: 0000000000003cc0 0000000000800000 0000000000800000 0000000000000001
000002a1001dd7c0 unix:prom_rtt+0 (f0803cc0, 3cc0, 800000, 0, 16, 14)
%l0-3: 0000000000000006 0000000000001400 0000004400001605 000000001014c848
%l4-7: 000002a75029c000 0000000000000000 0000000000000009 000002a1001dd870
000002a1001dd910 SUNW,UltraSPARC-II:scrub_ecache_line+2b4 (f0803cc0, c, 1046b370, 300002015d8, 30001dcdf40, 83)
%l0-3: 0000030001c49518 0000000000000003 0000000000000070 0000000000000000
%l4-7: 0000000000000000 0000000000800000 0000000000003cc0 0000000000000004
000002a1001dda60 SUNW,UltraSPARC-II:scrub_ecache_line_intr+30 (30001dcdf40, 1, 1, 2a1001ddd20, 102e0, 1014f27c)
%l0-3: 0000000000000001 0000000000000001 0000031001e7e8a0 000003000020df88
%l4-7: 0000029fffd82000 0000031005127540 0000031001e7e8f8 0000000000000000
syncing file systems... done
skipping system dump - no dump device configured
rebooting...
Resetting...
Software Power ON
He putted off board 2 and the server started correctly, nothing recorded in messages.*, He has not spare parts, what do you think about? Memory problem again?

Server state saving restores view even request params changed for same page

hi all,
i've a problem with the state saving method of JSF... environment: JSF1.1, WAS6, Spring2.0..
i have two buttons those POP UP an IFRAME inside with a details page..
<input type="button" onclick="openDetailsPage('detailsPage.jsp?id=1');" value="show first record's details" />
<input type="button" onclick="openDetailsPage('detailsPage.jsp?id=2);" value="show second record's details" />
detailspage gets the "id" param and query&show the details of the requested data IF THE REQUEST IS NOT POSTBACK... like below;
public void onPreRender() {
if (!isPostBack()) {
// get id from param, query the record and show its details...
problem is; if i set the state_saving_method as "server"; jsf is creating view only for the first time... after that, no matter what record info i sent, it's restoring the old page...
however, there's no problem if i set state_saving_method=client... my details page view is being created in every request...
what may be the problem? when the server state saving method used, it's not creating just restoring the previously opened page in every click...
thanks in advance,
hasan...

I just did, thank you. Here are the reports i filed:
[Server side viewstate saving: UIViewRoot's viewMap gets cleared on postback|http://java.net/jira/browse/JAVASERVERFACES-1982]
[Configuration attribute com.sun.faces.serializeServerState only work for the first postback|http://java.net/jira/browse/JAVASERVERFACES-1983]

Report (uses LDB's) giving dump due to memory problem

Hi,
I have a report which is giving dump in production due to memory problem.
Memory is increased from basis part,but still getting same error.
the report uses Logical DataBases.
Can anyone suggest solution to solve this problem.
regards
Mallik

Hi Amit,
thanks for ur quick reply and ur idea "make changes in development and write the logic to read records in chunks".
I have n't worked on LDB's till now.So i Don't know how I can read the data in chunks from LDB's.
Can u Plz give some idea how to read data in chunks.
Iam also sending the code,if possible ,plz go thru it and give me some idea.
Hope u will help me.
CODE.
REPORT ZAROP028
ABLES: PROJ, " Project definition
 PRPS_R, " WBS element
 PRPS, " WBS elements
 TJ02T, " System Status Values
 TCJ1, " Project Types
 JEST, " Active System Status
 COSP1, " cost totals - external postings
 COSS1, " cost totals - internal postings
 COVP11, " Line Items by Prd & Doc Header
 COVP12, " Line Items by Prd & Doc Header
 BHDGD, " Page heading table.
 AUFK, " Order Master Data for WBS (LDB)
 ANEP, " Asset line item
 COBRB, "Distribution Rules Settlement Ru
 SETHIER, "Hierarchy Structure
 TKA02, "Controlling Area Assignment
 CEPC, "Profit Center Master Data
 PSDYPD, "Dummy struct for GET proj late
 PSDYPR, "Dummy struct for GET PRPS_R late
 PSDYNP. "Dummy struct for GET AUFK late
CONSTANTS:
 C_E TYPE C VALUE 'E',
 C_I TYPE C VALUE 'I',
 C_N TYPE C VALUE 'N',
 C_X TYPE C VALUE 'X',
 C_Y TYPE C VALUE 'Y',
 C_NE(2) TYPE C VALUE 'NE',
 C_EQ(2) TYPE C VALUE 'EQ',
 C_USD(3) TYPE C VALUE 'USD',
 C_04(2) TYPE C VALUE '04',
 C_I0046(5) TYPE C VALUE 'I0046'
various working storage
DATA:
 W_TXT04(4) TYPE C. " make status uppercase
DATA: ACTIVE(1) TYPE C VALUE 'A', " type for status_flag
 INACTIVE(1) TYPE C VALUE 'I', " type for status_flag
 STATUS_FLAG(1) TYPE C VALUE 'I', " wbs active or inactive?
 INACTIVEDT LIKE SY-DATUM, " inactive date for wbs
 REC_FLAG TYPE C VALUE 'N', " records retrieved?
 DAYS_INACTIVE TYPE I, " days wbs has been inac
 W_LOWINACT TYPE I, " smallest inactive days
 WBS_CNT TYPE I, " cnt for wbs in status
 W_AUC_COST TYPE P DECIMALS 2, " unsettled auc cost
 W_VNAME LIKE PRPS_R-VNAME. " venture number storage
DATA: BEGIN OF ITAB OCCURS 0, "MELI-5F2KMH
 COMPCODE LIKE PROJ-VBUKR, " company code
 PLANT LIKE PROJ-WERKS, " plant
 PROJECT LIKE PROJ-PSPID, " project
 NAME LIKE PROJ-POST1, " project description
 DINACT TYPE I, " days proj inactive
 PRCTR LIKE PROJ-PRCTR, " profit center
 SETID LIKE SETHIER-SETID, " level 2 pc hier
 DESCRIPT LIKE SETHEADERT-DESCRIPT,
 VERNA LIKE PROJ-VERNA, " person responsible
 AUC TYPE P DECIMALS 2, " AUC unsettled amount
 END OF ITAB.
DATA: BEGIN OF I_INACT OCCURS 0,
 STAT LIKE JEST-STAT,
 INACT LIKE JEST-INACT,
 END OF I_INACT.
DATA: EQ_FLAG TYPE C, " system status flag
 NE_FLAG TYPE C. " system status flag
TYPES: BEGIN OF T_COSTS,
 PSPID LIKE PROJ-PSPID,
 BUDAT LIKE COVP11-BUDAT,
 END OF T_COSTS.
DATA: I_PROJ LIKE PROJ OCCURS 0 WITH HEADER LINE,
 I_PRPS_R LIKE PRPS_R OCCURS 0 WITH HEADER LINE,
 I_COSTS TYPE T_COSTS OCCURS 0 WITH HEADER LINE.
DATA: W_RECORDS TYPE I.
DATA: FOUND_FLAG TYPE C. " CHAD-4PRPDE
DATA: BEGIN OF I_HIER OCCURS 0. "FEAT-5BNRRP
 INCLUDE STRUCTURE SETHIER. "FEAT-5BNRRP
DATA: END OF I_HIER. "FEAT-5BNRRP
RANGES: R_TJ02T FOR TJ02T-ISTAT.
DATA: W_LVL2 LIKE SETHIER-SETID. "MELI-5F2KMH
SELECTION-SCREEN BEGIN OF BLOCK PROJECT WITH FRAME TITLE TEXT-B01.
PARAMETERS: P_BUDAT LIKE COVP11-BUDAT,
 DAYINACT(3) TYPE N DEFAULT '090'.
SELECTION-SCREEN SKIP. "FEAT-5BNRRP
PARAMETERS: P_PC-SET LIKE CEPC-KHINR OBLIGATORY "FEAT-5BNRRP
 DEFAULT 'SCH_STREAM'. "FEAT-5BNRRP
SELECTION-SCREEN END OF BLOCK PROJECT.
SELECTION-SCREEN BEGIN OF BLOCK SORT WITH FRAME TITLE TEXT-B02.
SELECTION-SCREEN BEGIN OF LINE.
SELECTION-SCREEN COMMENT 1(13) TEXT-C01.
SELECTION-SCREEN POSITION 15.
PARAMETERS: P_PLANT RADIOBUTTON GROUP SORT DEFAULT 'X'.
SELECTION-SCREEN END OF LINE.
SELECTION-SCREEN BEGIN OF LINE.
SELECTION-SCREEN COMMENT 1(13) TEXT-C03. "FEAT-5BNRRP
SELECTION-SCREEN POSITION 15.
PARAMETERS: P_PRCTR RADIOBUTTON GROUP SORT. "FEAT-5BNRRP
SELECTION-SCREEN END OF LINE.
SELECTION-SCREEN BEGIN OF LINE.
SELECTION-SCREEN COMMENT 1(13) TEXT-C04.
SELECTION-SCREEN POSITION 15.
PARAMETERS: P_DAYS RADIOBUTTON GROUP SORT.
SELECTION-SCREEN END OF LINE.
SELECTION-SCREEN END OF BLOCK SORT.
AT SELECTION-SCREEN OUTPUT.
PERFORM USER_PARM_INIT.
AT SELECTION-SCREEN.
PERFORM CHECK_PROJ_CRITERIA.
START-OF-SELECTION.
PERFORM BUILD_PC_HIER USING P_PC-SET.
Project Definition *
GET PROJ.
MOVE-CORRESPONDING PROJ TO I_PROJ. "MELI-5F2KMH
APPEND I_PROJ. "MELI-5F2KMH
CLEAR I_PROJ.
WBS element table
GET PRPS_R.
MOVE-CORRESPONDING PRPS_R TO I_PRPS_R.
APPEND I_PRPS_R.
CLEAR I_PRPS_R.
GET all order and cost objects associated with order and elements
GET AUFK.
GET COSP1.
CHECK COSP1-WRTTP EQ C_04. " check if value type '04'
Get last date that the wbselement was updated and determine status
GET COVP11.
MOVE PROJ-PSPID TO I_COSTS-PSPID.
MOVE COVP11-BUDAT TO I_COSTS-BUDAT.
APPEND I_COSTS.
CLEAR I_COSTS.
Loop through Internal cost statements
GET COSS1.
CHECK COSS1-WRTTP EQ C_04. " if value type is 04
Get last date that the wbselement was updated and determine status
GET COVP12.
MOVE PROJ-PSPID TO I_COSTS-PSPID.
MOVE COVP12-BUDAT TO I_COSTS-BUDAT.
APPEND I_COSTS.
CLEAR I_COSTS.
END-OF-SELECTION.
PERFORM BUILD_TABLE.
DELETE ITAB WHERE DINACT < DAYINACT.
DESCRIBE TABLE ITAB LINES W_RECORDS.
IF W_RECORDS = 0.
 MESSAGE I024.
ENDIF.
PERFORM WRITE_REPORT.
 FORM CHECK_PROJ_CRITERIA *
This form verifies correct selection criteria has been entered from *
the selection screen inputs. If incorrect data has been entered the*
valid information messages are displayed. *
FORM CHECK_PROJ_CRITERIA.
check for either posting date or inactivity criteria but not both
IF NOT P_BUDAT IS INITIAL AND NOT DAYINACT IS INITIAL.
 MESSAGE E119.
ENDIF.
IF NOT DAYINACT IS INITIAL. "check s/o day inactive
 IF NOT DAYINACT <= 998.
 MESSAGE E018.
 ELSE.
 INACTIVEDT = SY-DATUM - DAYINACT.
 ENDIF.
if days inactive is initial set INACTIVEDT using the posting date
ELSE.
 INACTIVEDT = P_BUDAT.
ENDIF.
ENDFORM. " CHECK_PROJ_CRITERIA
 FORM GET_AUC_COSTS *
This form retrieves AUC costs for records based on AUFK2 where they *
meet project criteria. This pulls the unsettled amount on a AUC as *
a settlement receiver. *
FORM GET_AUC_COSTS USING F_OBJNR F_BUKRS.
CONSTANTS:
 C_SETLEMENT_ANNUAL LIKE COBRB-PERBZ VALUE 'JHR', "Annual Settlement
 C_DEP_AREA_STD LIKE ANEP-AFABE VALUE '01'. "Std depreciation
DATA: L_ANLC LIKE ANLC OCCURS 0 WITH HEADER LINE,
 L_ANLCV LIKE ANLCV OCCURS 0 WITH HEADER LINE,
 BEGIN OF L_COBRB OCCURS 0, "SRIN-6ZNEAR
 ANLN1 LIKE COBRB-ANLN1,
 ANLN2 LIKE COBRB-ANLN2,
 END OF L_COBRB,
 F_H_COST TYPE P DECIMALS 2.
SELECT ANLN1 ANLN2 FROM COBRB
 INTO TABLE L_COBRB " SRIN-6ZNEAR
 WHERE OBJNR = F_OBJNR
 AND PERBZ = C_SETLEMENT_ANNUAL.
IF SY-SUBRC NE 0. " gary-463qbd
 EXIT. " gary-463qbd
ENDIF. " gary-463qbd
LOOP AT L_COBRB. " gary-463qbd
CLEAR: F_H_COST.
SELECT SINGLE * FROM ANLC
 INTO L_ANLC
 WHERE BUKRS = F_BUKRS AND
 ANLN1 = L_COBRB-ANLN1 AND
 ANLN2 = L_COBRB-ANLN2 AND
 GJAHR = SY-DATUM(4) AND
 AFABE = C_DEP_AREA_STD AND
 ZUJHR = '0000' AND
 ZUCOD = '0000'.
 IF SY-SUBRC = 0.
 CALL FUNCTION 'FI_AA_VALUES_CALCULATE'
 EXPORTING
 I_ANLC = L_ANLC
 IMPORTING
 E_ANLCV = L_ANLCV.
 F_H_COST = L_ANLCV-BCHWRT_LFD.
 ENDIF.
ADD: F_H_COST TO W_AUC_COST.
ENDLOOP. " gary-463qbd
ENDFORM. " GET_AUC_COSTS
 FORM CHECK_INACTIVE_DATE *
This form checks the computed inactive date based on the formal *
parameter DAYS_INACTIVE. If DAYS_INACTIVE is more current than the *
current lowest inactive date W_LOWINACT then W_LOWINACT is replaced *
with this value. *
FORM CHECK_INACTIVE_DATE USING DAYS_INACTIVE.
IF DAYS_INACTIVE < W_LOWINACT.
 MOVE DAYS_INACTIVE TO W_LOWINACT.
ELSEIF W_LOWINACT EQ 0.
 MOVE: DAYS_INACTIVE TO W_LOWINACT,
 W_LOWINACT TO ITAB-DINACT.
ENDIF.
ENDFORM. " CHECK_INACTIVE_DATE
 FORM build_table *
collect fields to the internal table ITAB *
FORM BUILD_TABLE.
SORT I_COSTS BY PSPID ASCENDING BUDAT DESCENDING.
LOOP AT I_PROJ.
 CLEAR W_AUC_COST.
 READ TABLE I_COSTS WITH KEY PSPID = I_PROJ-PSPID
 BINARY SEARCH.
 IF SY-SUBRC = 0.
 ITAB-DINACT = SY-DATUM - I_COSTS-BUDAT.
 ELSE.
 ITAB-DINACT = SY-DATUM - I_PROJ-ERDAT.
 ENDIF.
 LOOP AT I_PRPS_R WHERE PSPHI = I_PROJ-PSPNR AND
 BELKZ = 'X'.
 IF NOT I_PRPS_R-IMPRF IS INITIAL.
 PERFORM GET_AUC_COSTS USING I_PRPS_R-OBJNR
 I_PRPS_R-PBUKR.
 ELSE.
 CONTINUE.
 ENDIF.
 ENDLOOP.
 ITAB-COMPCODE = I_PROJ-VBUKR.
 ITAB-PLANT = I_PROJ-WERKS.
 ITAB-PROJECT = I_PROJ-PSPID.
 ITAB-NAME = I_PROJ-POST1.
 ITAB-PRCTR = I_PROJ-PRCTR.
 ITAB-VERNA = I_PROJ-VERNA.
 ITAB-AUC = W_AUC_COST.
 IF ITAB-DINACT > DAYINACT.
 PERFORM GET_HIER_INFO.
 ENDIF.
 APPEND ITAB.
 CLEAR ITAB.
ENDLOOP.
ENDFORM. " BUILD_TABLE
 FORM STATUS_CHECK *
Checks the active status of the project definition for the *
parameter values assigned. *
FORM STATUS_CHECK USING F_OBJNR.
begin of GARY-463QBD
CLEAR: I_INACT.
REFRESH: I_INACT.
MOVE: C_N TO EQ_FLAG,
 C_Y TO NE_FLAG.
retrieve status for a given record
SELECT STAT INACT
 INTO TABLE I_INACT
 FROM JEST
 WHERE OBJNR EQ F_OBJNR AND
 INACT NE C_X.
sort internal status entered by user
SORT R_TJ02T BY OPTION DESCENDING.
check all current object statuses meet user entered criteria
LOOP AT R_TJ02T WHERE OPTION EQ C_NE.
check for user selected options
 READ TABLE I_INACT WITH KEY STAT = R_TJ02T-LOW.
 IF SY-SUBRC EQ 0.
 MOVE C_N TO NE_FLAG.
 EXIT.
 ENDIF.
ENDLOOP.
LOOP AT R_TJ02T WHERE OPTION EQ C_EQ.
check for user selected options
 READ TABLE I_INACT WITH KEY STAT = R_TJ02T-LOW.
 IF SY-SUBRC EQ 0.
 MOVE C_Y TO EQ_FLAG.
 EXIT.
 ENDIF.
ENDLOOP.
check for no statuses entered as EQ option
LOOP AT R_TJ02T WHERE OPTION EQ C_EQ.
 EXIT.
ENDLOOP.
if so move c_y to eq_flag
IF SY-SUBRC NE 0.
 MOVE C_Y TO EQ_FLAG.
ENDIF.
if both eq_flag or ne_flag are true(c_y) move true to valid_flag
IF ( EQ_FLAG EQ C_N OR
 NE_FLAG EQ C_N ).
 REJECT 'PRPS_R'.
ENDIF.
end of GARY-463QBD
ENDFORM. " STATUS_CHECK
 Form WRITE_REPORT
FORM WRITE_REPORT.
IF P_PLANT EQ 'X'.
SORT ASCENDING BY ITAB-BUSAREA "FEAT-5BNRRP
 SORT ITAB ASCENDING BY PLANT
 PROJECT.
ELSEIF P_PRCTR EQ 'X'.
 SORT ITAB ASCENDING BY PRCTR "FEAT-5BNRRP
 PROJECT.
ELSE.
 SORT ITAB ASCENDING BY DINACT
 PROJECT.
ENDIF.
FORMAT COLOR COL_BACKGROUND INTENSIFIED ON.
 "MELI-5F2KMH
LOOP AT ITAB. "MELI-5F2KMH
 WRITE: / ITAB-COMPCODE,
 9(4) ITAB-PLANT,
 17(12) ITAB-SETID,
 33(40) ITAB-DESCRIPT,
 77(10) ITAB-PRCTR,
 91(24) ITAB-PROJECT,
 119(40) ITAB-NAME,
 163(25) ITAB-VERNA,
 192(15) ITAB-AUC CURRENCY C_USD,
 211(8) ITAB-DINACT.
ENDLOOP.
ENDFORM. " WRITE_REPORT
 Form USER_PARM_INIT
Initializes user parameter settings
FORM USER_PARM_INIT.
ENDFORM. " USER_PARM_INIT
At top of every page, generate Amoco-standard header.
TOP-OF-PAGE.
MOVE: '0' TO BHDGD-INIFL,
 SY-LINSZ TO BHDGD-LINES,
 SY-UNAME TO BHDGD-UNAME,
 SY-REPID TO BHDGD-REPID,
 SY-TITLE TO BHDGD-LINE1,
 SPACE TO BHDGD-DOMAI,
 SPACE TO BHDGD-SEPAR,
 SPACE TO BHDGD-MIFFL.
IF P_PLANT EQ 'X'.
 MOVE TEXT-H01 TO BHDGD-LINE2.
ELSE.
 MOVE TEXT-H03 TO BHDGD-LINE2. "FEAT-5BNRRP
ENDIF.
temporarily clear sy-mandt to remove "europe" from header "FEAT-5BNRRP
DATA: W_MANDT LIKE SY-MANDT.
BHDGD-BUKRS = SPACE.
W_MANDT = SY-MANDT.
CLEAR SY-MANDT.
FORMAT COLOR COL_BACKGROUND INTENSIFIED OFF.
PERFORM BATCH-HEADING(RSBTCHH0).
FORMAT RESET.
reset sy-mandt "FEAT-5BNRRP
SY-MANDT = W_MANDT.
PERFORM PGH_WRITE_HEADING USING TEXT-003 INACTIVEDT. "MELI-5F2KMH
SKIP 1.
ULINE.
write heading info
FORMAT COLOR COL_TOTAL INTENSIFIED ON.
WRITE: /1(5)'CCode',
 9(5)'Plant',
 17(12)'Level 2 Node',
 33(40)'Level 2 Node Description',
 77(10)'Profit Ctr',
 91(18)'Project Definition',
 119(19)'Project Description',
 163(18)'Person Responsible',
 192(15)' AUC Unsettled',
 211(13)'Days Inactive'.
end FEAT-5BNRRP
BEGIN FEAT-5BNRRP NEW FORMS
FORM BUILD_PC_HIER
FORM BUILD_PC_HIER USING SETID.
DATA: W_SETID LIKE SETHIER-SETID,
 W_NEWSETID LIKE SETHIER-SETID.
CONCATENATE '0H' SETID INTO W_SETID.
CALL FUNCTION 'G_SET_GET_ID_FROM_NAME'
 EXPORTING
 SHORTNAME = W_SETID
 TABNAME = 'GLPCT'
 SETCLASS = '0106'
 SUPRESS_POPUP = 'X'
 OLD_SETID = W_NEWSETID
 IMPORTING
 NEW_SETID = W_NEWSETID.
CALL FUNCTION 'G_SET_TREE_IMPORT'
 EXPORTING
 CLIENT = SY-MANDT
 LANGU = SY-LANGU
 SETID = W_NEWSETID
 TABNAME = 'GLPCT'
 TABLES
 SET_HIERARCHY = I_HIER
 EXCEPTIONS
 SET_NOT_FOUND = 1
 ILLEGAL_FIELD_REPLACEMENT = 2
 ILLEGAL_TABLE_REPLACEMENT = 3
 OTHERS = 4.
CLEAR I_HIER.
ENDFORM.
FORM GET_HIER_INFO
FORM GET_HIER_INFO.
DATA: W_SETID LIKE SETHIER-SETID,
 W_KHINR LIKE CEPC-KHINR,
 W_INDEX TYPE I.
CLEAR: W_SETID,
 W_KHINR,
 W_INDEX.
DETERMINE PROFIT CENTER NODE
SELECT SINGLE KHINR
 FROM CEPC
 INTO W_KHINR
 WHERE PRCTR EQ ITAB-PRCTR.
CONCATENATE '0106' I_PROJ-VKOKR W_KHINR
 INTO W_SETID.
READ TABLE I_HIER WITH KEY
 SETID = W_SETID.
IF SY-SUBRC EQ 0.
 W_INDEX = SY-TABIX.
 DO.
 READ TABLE I_HIER INDEX W_INDEX.
 IF W_INDEX = 0.
 ITAB-SETID = 'Not Found'.
 EXIT.
 ENDIF.
 IF I_HIER-LEVEL = 1.
 ITAB-SETID = I_HIER-SETID+8(12).
 ITAB-DESCRIPT = I_HIER-DESCRIPT.
 EXIT.
 ENDIF.
 IF I_HIER-LEVEL = 2.
 ITAB-SETID = I_HIER-SETID+8(12).
 ITAB-DESCRIPT = I_HIER-DESCRIPT.
 EXIT.
 ENDIF.
 W_INDEX = W_INDEX - 1.
 ENDDO.
ELSE.
 ITAB-SETID = 'Not Found'.
ENDIF.
ENDFORM.
END FEAT-5BNRRP NEW FORMS
*& Form PGH_WRITE_HEADING WR MELI-5F2KMH
FORM PGH_WRITE_HEADING USING L_V1 L_V2.
DATA: L_LINSZ LIKE SY-LINSZ.
DATA: L_TITLEL LIKE SY-TABIX.
DATA: L_START LIKE SY-TABIX.
DATA: L_DATE LIKE SY-DATUM.
DATA: L_FORMATTED_DATE(10) TYPE C.
DATA: L_TITLE(27) TYPE C.
MOVE L_V2 TO L_DATE.
WRITE L_DATE TO L_FORMATTED_DATE.
CONCATENATE L_V1 L_FORMATTED_DATE INTO L_TITLE
 SEPARATED BY SPACE.
L_LINSZ = SY-LINSZ.
L_TITLEL = STRLEN( L_TITLE ).
L_START = ( L_LINSZ / 2 ) - ( L_TITLEL / 2 ) - 2.
NEW-LINE.
POSITION L_START.
WRITE: L_TITLE.
regards
Mallik

JSF 1.0 - client side state saving fails

Existing screen worked fine in Beta with client-side state saving. Fails in 1.0 Release with:
java.lang.NullPointerException
     at javax.faces.component.UIComponentBase.processRestoreState(UIComponentBase.java:997)
     at javax.faces.component.UIComponentBase.processRestoreState(UIComponentBase.java:1008)
     at javax.faces.component.UIComponentBase.processRestoreState(UIComponentBase.java:1022)
     at javax.faces.component.UIComponentBase.processRestoreState(UIComponentBase.java:1008)
     at javax.faces.component.UIComponentBase.processRestoreState(UIComponentBase.java:1008)
     at javax.faces.component.UIComponentBase.processRestoreState(UIComponentBase.java:1008)
     at com.sun.faces.application.StateManagerImpl.restoreComponentState(StateManagerImpl.java:273)
     at com.sun.faces.application.StateManagerImpl.restoreView(StateManagerImpl.java:186)
     at com.sun.faces.application.ViewHandlerImpl.restoreView(ViewHandlerImpl.java:239)
     at com.sun.faces.lifecycle.RestoreViewPhase.execute(RestoreViewPhase.java:157)
     at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
     at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:90)
     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:197)
This exception is found in tomcat log. Nothing found in debug log. I switched state saving to server and screen works, however, I need the application to work with client state saving.
Some screens in application work with client state saving. Some don't. All those that fail have the same exception as above.
Any ideas?

Hello
I have the same problem but i am not using any verbatim tag in my case the problem only appears when i am using two custom validators for a inputtexd in the same page .
the problem is solved using the server saving method but i want to use client saving method.
If you have any ideas please help .
this is the exeption :
java.lang.NullPointerException     at javax.faces.component.UIComponentBase.processRestoreState(UIComponentBase.java:1004)     at com.sun.faces.application.StateManagerImpl.restoreComponentState(StateManagerImpl.java:352)     at com.sun.faces.application.StateManagerImpl.restoreView(StateManagerImpl.java:240)     at com.sun.faces.application.ViewHandlerImpl.restoreView(ViewHandlerImpl.java:228)     at com.sun.faces.lifecycle.RestoreViewPhase.execute(RestoreViewPhase.java:157)     at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)     at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:90)     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:197)     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)     at org.apache.myfaces.component.html.util.ExtensionsFilter.doFilter(ExtensionsFilter.java:122)     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:663)     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:330)     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:830)     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:285)     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:126)     at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:186)     at java.lang.Thread.run(Thread.java:534)
thanks
yinbr
Message was edited by:
yinbr

Does Improved State-Saving Behavior in jsf 1.2 remove some restriction ...

It was not possible (or not easy, note recommended) to manage more that one application form displayed in a browser without putting some confusion in the page data control binding.
Browsers offer tab management, JavaX offer cut and paste, so user's put pressure to have many duplicated application form in their browser each synchronized with their own data control (and to cut and paste data from one to the another but it is not the question here).
Does jsp 1.2 and the change in state-saving help to solve current problem ?
Does Oracle plan to change something in adf framework to solve this issue ?

To be more specific (if anyone here knows ASP.NET): The UserControl has something called Page, that component has Header and Body, if I add something to the Header (like Link for one) then it'll appear in the head section of my page.
I need the component to add one JavaScript file that will contain my client-side logic (it's not trivial nor short so it needs to be externalized).
Apart from that it's not doable for me to do all the rendering for myself because the controls I'm using have to be from RichFaces (architect's decision - not mine). So all I can do is either manually glue things together in the xhtml template directly and add the necessary JS to the template (again: manually), or create a compound component that will be composed of the two components that already do what I need them to do and add the necessary additional JS file automatically when the component is added to the page.
However what I wanted to do is to create a component that will reuse the functionality of one of the RF components and add an input field in front of it that'll hold String and not Date (like the cumbersome RF component does).
Can you help?
Edited by: padcom on Jun 7, 2010 12:15 PM

Bug with h:messages and client state saving?

I have an application that uses <h:messages ...> to display validation/conversion errors on the page. I find that when I use "client" for my javax.faces.STATE_SAVING_METHOD, the messages completely destroy the display of the web page - HTML seems to be randomly cut off. Using the "server" state saving method solves the problem. Has anyone else seen this behavior? I can duplicate it easily.
Thanks,
Don

Can you provide us with the jsp page you are using? I do not immediately
see the probem you are encountering.
Thanks,
--roger (jsf co-spec lead)

Error 1001 + Memory Problem

So after 2 system crashes I went looking online for the cause of the event ID error 1001. My search led me to this forum where I learned about a memory test which ended up informing me that I had a memory problem.
Error 1: Playing Minecraft when crash occured
The computer has rebooted from a bugcheck. The bugcheck was: 0x0000003b (0x00000000c0000005, 0xfffff96000136884, 0xfffff88009dd4030, 0x0000000000000000). A dump was saved in: C:\Windows\MEMORY.DMP. Report Id: 042511-25880-01.
XML:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider
Name="Microsoft-Windows-WER-SystemErrorReporting" Guid="{ABCE23E7-DE45-4366-8631-84FA6C525952}" EventSourceName="BugCheck"
/>
<EventID Qualifiers="16384">1001</EventID>
<Version>0</Version>
<Level>2</Level>
<Task>0</Task>
<Opcode>0</Opcode>
<Keywords>0x80000000000000</Keywords>
<TimeCreated
SystemTime="2011-04-26T03:30:32.000000000Z" />
<EventRecordID>153358</EventRecordID>
<Correlation
/>
<Execution
ProcessID="0" ThreadID="0" />
<Channel>System</Channel>
<Computer>llama-7</Computer>
<Security
/>
</System>
<EventData>
<Data Name="param1">0x0000003b (0x00000000c0000005, 0xfffff96000136884, 0xfffff88009dd4030, 0x0000000000000000)</Data>
<Data Name="param2">C:\Windows\MEMORY.DMP</Data>
<Data Name="param3">042511-25880-01</Data>
</EventData>
</Event>
Error 2: Exiting Starcraft 2 when crash occured
The computer has rebooted from a bugcheck. The bugcheck was: 0x0000007e (0xffffffffc0000005, 0xfffff880043ca6fa, 0xfffff88003f45788, 0xfffff88003f44fe0). A dump was saved in: C:\Windows\MEMORY.DMP. Report Id: 042711-29421-01.
XML:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider
Name="Microsoft-Windows-WER-SystemErrorReporting" Guid="{ABCE23E7-DE45-4366-8631-84FA6C525952}" EventSourceName="BugCheck"
/>
<EventID Qualifiers="16384">1001</EventID>
<Version>0</Version>
<Level>2</Level>
<Task>0</Task>
<Opcode>0</Opcode>
<Keywords>0x80000000000000</Keywords>
<TimeCreated
SystemTime="2011-04-28T03:22:40.000000000Z" />
<EventRecordID>158441</EventRecordID>
<Correlation
/>
<Execution
ProcessID="0" ThreadID="0" />
<Channel>System</Channel>
<Computer>llama-7</Computer>
<Security
/>
</System>
<EventData>
<Data Name="param1">0x0000007e (0xffffffffc0000005, 0xfffff880043ca6fa, 0xfffff88003f45788, 0xfffff88003f44fe0)</Data>
<Data Name="param2">C:\Windows\MEMORY.DMP</Data>
<Data Name="param3">042711-29421-01</Data>
</EventData>
</Event>
So now I come to the community with a cry for help. I am a pretty tech savvy guy but I have never come across this kind of problem before and I don't know what to do from here. I have contacted the memory manufacturer and am awaiting a reply.
Does a memory problem mean I need to replace my RAM?
EDIT:
I ran the memory test again and this time Windows
did not find any memory problem!!
So now I don't even know what is going on.
PC Specs:
Asus CG Series
Win 7 Home Premium 64-bit edition
AMD Phenom II X6
Radeon 5770 Graphics card.
8GB RAM

* Bugcheck Analysis
SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (7e)
This is a very common bugcheck. Usually the exception address pinpoints
the driver/function that caused the problem. Always note this address
as well as the link date of the driver/image that contains this address.
Arguments:
Arg1: ffffffffc0000005, The exception code that was not handled
Arg2: fffff880043ca6fa, The address that the exception occurred at
Arg3: fffff88003f45788, Exception Record Address
Arg4: fffff88003f44fe0, Context Record Address
Debugging Details:
EXCEPTION_CODE: (NTSTATUS) 0xc0000005 - The instruction at 0x%08lx referenced memory at 0x%08lx. The memory could not be %s.
FAULTING_IP:
dxgmms1!VIDMM_MEMORY_SEGMENT::EvictResource+f3a
fffff880`043ca6fa 4d8b1b mov r11,qword ptr [r11]
EXCEPTION_RECORD: fffff88003f45788 -- (.exr 0xfffff88003f45788)
ExceptionAddress: fffff880043ca6fa (dxgmms1!VIDMM_MEMORY_SEGMENT::EvictResource+0x0000000000000f3a)
 ExceptionCode: c0000005 (Access violation)
ExceptionFlags: 00000000
NumberParameters: 2
 Parameter[0]: 0000000000000000
 Parameter[1]: ffffffffffffffff
Attempt to read from address ffffffffffffffff
CONTEXT: fffff88003f44fe0 -- (.cxr 0xfffff88003f44fe0)
rax=fffff8a002cdcbd0 rbx=0000000000000000 rcx=ffdff8a010f6f0e0
rdx=fffff8a00d5acec0 rsi=fffff8a010f6f010 rdi=0000000000000000
rip=fffff880043ca6fa rsp=fffff88003f459c0 rbp=fffffa8008ec9000
r8=0000000000001000 r9=0000000000000000 r10=0000000000000001
r11=ffdff8a010f6f118 r12=0000000000000000 r13=0000000000000001
r14=fffffa8008a77ac0 r15=fffff8a010f6f118
iopl=0 nv up ei ng nz na po cy
cs=0010 ss=0018 ds=002b es=002b fs=0053 gs=002b efl=00010287
dxgmms1!VIDMM_MEMORY_SEGMENT::EvictResource+0xf3a:
fffff880`043ca6fa 4d8b1b mov r11,qword ptr [r11] ds:002b:ffdff8a0`10f6f118=????????????????
Resetting default scope
DEFAULT_BUCKET_ID: VISTA_DRIVER_FAULT
PROCESS_NAME: System
CURRENT_IRQL: 0
ERROR_CODE: (NTSTATUS) 0xc0000005 - The instruction at 0x%08lx referenced memory at 0x%08lx. The memory could not be %s.
EXCEPTION_PARAMETER1: 0000000000000000
EXCEPTION_PARAMETER2: ffffffffffffffff
READ_ADDRESS: ffffffffffffffff
FOLLOWUP_IP:
dxgmms1!VIDMM_MEMORY_SEGMENT::EvictResource+f3a
fffff880`043ca6fa 4d8b1b mov r11,qword ptr [r11]
BUGCHECK_STR: 0x7E
LAST_CONTROL_TRANSFER: from fffff880043ba25d to fffff880043ca6fa
STACK_TEXT:
fffff880`03f459c0 fffff880`043ba25d : fffffa80`08a77ac0 fffff8a0`10f6f010 fffffa80`0b18f000 fffffa80`08ec9000 : dxgmms1!VIDMM_MEMORY_SEGMENT::EvictResource+0xf3a
fffff880`03f45b30 fffff880`043b5358 : fffffa80`08db9810 00000000`00000080 00000000`00000000 fffff880`03f45ca0 : dxgmms1!VIDMM_GLOBAL::ProcessDeferredCommand+0x96d
fffff880`03f45c50 fffff880`043d316d : fffffa80`00000000 fffffa80`06a15010 00000000`0000000f fffff880`043d4f09 : dxgmms1!VidMmiProcessTerminationCommand+0x4c
fffff880`03f45ca0 fffff880`043d23f8 : fffff880`0308cfc0 fffffa80`077c2c00 00000000`00000000 fffffa80`06a15010 : dxgmms1!VidSchiSubmitDeviceCommand+0x39
fffff880`03f45cd0 fffff880`043d1e96 : 00000000`00000000 fffffa80`077c2c00 00000000`00000080 fffffa80`06a15010 : dxgmms1!VidSchiSubmitQueueCommand+0xb0
fffff880`03f45d00 fffff800`03169cce : 00000000`0ce38485 fffffa80`08a88a10 fffffa80`069aa990 fffffa80`08a88a10 : dxgmms1!VidSchiWorkerThread+0xd6
fffff880`03f45d40 fffff800`02ebdfe6 : fffff880`03088180 fffffa80`08a88a10 fffff880`03093040 fffff880`0122c384 : nt!PspSystemThreadStartup+0x5a
fffff880`03f45d80 00000000`00000000 : fffff880`03f46000 fffff880`03f40000 fffff880`03f45680 00000000`00000000 : nt!KxStartSystemThread+0x16
SYMBOL_STACK_INDEX: 0
SYMBOL_NAME: dxgmms1!VIDMM_MEMORY_SEGMENT::EvictResource+f3a
FOLLOWUP_NAME: MachineOwner
MODULE_NAME: dxgmms1
IMAGE_NAME: dxgmms1.sys
DEBUG_FLR_IMAGE_TIMESTAMP: 4ce799c1
STACK_COMMAND: .cxr 0xfffff88003f44fe0 ; kb
FAILURE_BUCKET_ID: X64_0x7E_dxgmms1!VIDMM_MEMORY_SEGMENT::EvictResource+f3a
BUCKET_ID: X64_0x7E_dxgmms1!VIDMM_MEMORY_SEGMENT::EvictResource+f3a
Followup: MachineOwner
0: kd> lmvm dxgmms1
start end module name
fffff880`0439a000 fffff880`043e0000 dxgmms1 (pdb symbols) c:\symbols\dxgmms1.pdb\0901C357E9E846EE8C2FBCC8107163201\dxgmms1.pdb
 Loaded symbol image file: dxgmms1.sys
 Image path: \SystemRoot\System32\drivers\dxgmms1.sys
 Image name: dxgmms1.sys
 Timestamp: Sat Nov 20 10:49:53 2010 (4CE799C1)
 CheckSum: 00047A89
 ImageSize: 00046000
 File version: 6.1.7601.17514
 Product version: 6.1.7601.17514
 File flags: 0 (Mask 3F)
 File OS: 40004 NT Win32
 File type: 3.7 Driver
 File date: 00000000.00000000
 Translations: 0409.04b0
 CompanyName: Microsoft Corporation
 ProductName: Microsoft® Windows® Operating System
 InternalName: dxgmms1.sys
 OriginalFilename: dxgmms1.sys
 ProductVersion: 6.1.7601.17514
 FileVersion: 6.1.7601.17514 (win7sp1_rtm.101119-1850)
 FileDescription: DirectX Graphics MMS
 LegalCopyright: © Microsoft Corporation. All rights reserved.
The BSOD is caused by dxgmms1.sys which belongs to DirectX Graphics MMS.
Try to install that and check if this solve your problem:
http://www.microsoft.com/downloads/en/details.aspx?FamilyID=2da43d38-db71-4c1b-bc6a-9b6652cd92a3&displayLang=en
This posting is provided "AS IS" with no warranties or guarantees , and confers
no rights.
Microsoft Student Partner
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Microsoft Certified Systems Administrator: Security
Microsoft Certified Systems Engineer: Security
Microsoft Certified Technology Specialist: Windows Server 2008 Active Directory, Configuration
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Certified Technology Specialist: Windows Server 2008 Applications Infrastructure, Configuration

Indesign cc memory problems ...

I was previously using Indesign CS6 with no memory problems. I uninstalled CS6 and installed CC when two days after it had become available. I have installed all updates to indesign. I have this installed on two systems.
1) Laptop: Windows 7 64-bit, 4Mb RAM, 1.65 GHz
2) Desktop: Windows 7 64-bit, 6Mb RAM, quad core 2.0 GHz
This same issue is occuring on both systems, open indesign 64-bit, and a small document (5 pages of text) and the system memory is consumed until nothing is left. On the laptop I run both the 64-bit and 32-bit versions indesign that were installed, same issues.
Has anyone else encountered this problem, and is there a work around?
-- Duane --

Why would saving in compatibility modes make a difference???
It's not recommended to open older files Directly in a newer verison. The workflow for migrating older files to a newer version has always been to export the file from Old Indesign as an IDML file and then open that in the New InDesign.
You really should read the Help Files.
Save an InDesign Markup (IDML) document
In some cases you may want to save an InDesign in interchange markup format. It’s especially useful to save in this format when you open a QuarkXPress or PageMaker publication in InDesign, when you open a document created in a previous version of InDesign, or when you’re experiencing problems with your document, such as not being able to delete color swatches.
Choose File > Save (CS6) or File > Export (CS5).
From the Save As Type (Windows) or Format (Mac OS) menu, choose InDesign Markup (IDML).
Click Save.
You can open the saved IDML file in InDesign CS5 and InDesign CS4 but not in any previous version of InDesign.
For information on using IDML for development purposes, see www.adobe.com/go/learn_id_indesignmarkup_cs4_en.

ADF client-side state saving

Hi, I'm developing JSF with ADF and MyFaces. I want to minimise the load on my Server, e.g. by minimising use of session beans and other types of session storage. So I use the <t:saveState> from MyFaces instead. In web.xml I set the parameter:

<context-param>
<param-name>javax.faces.STATE_SAVING_METHOD</param-name>
<param-value>client</param-value>
</context-param>

This makes all the MyFaces components store state on the client. However, this still doesn't force the ADF components to use client-side state saving(!). As described here, the default behaviour in ADF is to use a session token to store page state in HttpSession. In my project I've seen all sorts of strange behaviour when the session token exceeds the number of CLIENT_STATE_MAX_TOKENS. Of course I can try to increase this value, but this will lead to even more sesison usage. 
So, I tried setting another parameter in web.xml:

<context-param>
<param-name>oracle.adf.view.faces.CLIENT_STATE_METHOD</param-name>
<param-value>all</param-value>
</context-param>

This should force all state to be moved to the client in a hidden form field. But when I do this I get this type of error:

2006-10-25 13:21:30,854 ERROR (taglib.core.ViewTag:181) - Error writing body content
java.io.NotSerializableException: oracle.adf.view.faces.component.core.input.CoreSelectOneChoice
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075)
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1369)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1341)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1284)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1245)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1069)
at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1245)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1069)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291)
at java.util.ArrayList.writeObject(ArrayList.java:569)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:890)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1333)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1284)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1245)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1069)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291)
at oracle.adfinternal.view.faces.renderkit.core.CoreResponseStateManager.writeState(CoreResponseStateManager.java:82)
at org.apache.myfaces.application.jsp.JspStateManagerImpl.writeState(JspStateManagerImpl.java:430)
at oracle.adfinternal.view.faces.application.StateManagerImpl.writeState(StateManagerImpl.java:241)
at org.apache.myfaces.taglib.core.ViewTag.doAfterBody(ViewTag.java:145)
at org.apache.jsp.pages.innkurv.innkurvMain_jsp._jspx_meth_f_view_0(innkurvMain_jsp.java:152)
at org.apache.jsp.pages.innkurv.innkurvMain_jsp._jspService(innkurvMain_jsp.java:91)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:463)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:398)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
at org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:416)
at org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:234)
at oracle.adfinternal.view.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:157)
at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:384)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:138)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:144)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._invokeDoFilter(AdfFacesFilterImpl.java:367)
at oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._doFilterImpl(AdfFacesFilterImpl.java:336)
at oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl.doFilter(AdfFacesFilterImpl.java:196)
at oracle.adf.view.faces.webapp.AdfFacesFilter.doFilter(AdfFacesFilter.java:87)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:174)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at no.justisdepartementet.etterlysning.web.util.ContextResourceFilter.doFilter(ContextResourceFilter.java:69)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at no.justisdepartementet.etterlysning.web.util.RedirectFilter.doFilter(RedirectFilter.java:59)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:595)


Thanks guys. I did indeed try to use <t:saveState> to save the CoreSelectOneChoice. More specifically, I tried to use <t:saveState> on a backing bean where one of its properties were a CoreSelectOneChoice. The backing bean itself needs to be serializable as well as all of its properties, so the solution is to set the local variable transient.
After overcoming this problem, however, I found that some of my managed beans still had serialization problems because they had references to "service managers" that were dependency injected via JSF's managed means facility. See this blog for a discussion about serialization and MyFaces.

Problem: State Management

I have a DataTable which is populated from a list and has select options.
You can select any no of rows and delete. But once i delete and come back to the same page, it shows the check boxes checked again at the same row positions.
How do i make sure that state is not saved in these situations.

Thanks Balu
Yes it is session scoped.
While deleting i am removing the objects from the list as you pointed out.
As a result, the two selected row are not displayed as well.
Say, row no 14 & 15 are selected and removed.
Now, if come back again to the same page, we get checkboxes checked again against the rows 16 & 17 (earlier ) which have now become 14 & 15.
Is it something to do with state saving mechanism of JSF.
Did you got my problem??

Memory problem - state saving?

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