6.1 HttpClusterServlet ignoring jsessionid
We're running a 6.1 cluster, front-ended by web servers running WLS6.1/HttpClusterServlet. It's fine with browsers allowing cookies, but falls apart when the browser disallows cookies. (These tests done with 1 web server, and 3 cluster members). All
URLs are wrapped with response.encodeURL(). HTTP sessions are replicated in-memory.
The first request correctly tries and fails to set a cookie, and returns a page with the URLs rewritten.
The next request, incorporating the jsessionid from above, hits an arbitrary cluster member, according to what other traffic has occurred (i.e. where the round-robin is up to). If it hits either the primary or the secondary cluster member for the
session, the request "works" (i.e. the session is recognised). However if it hits any other cluster member the session is unrecognised, and of course no URL rewriting occurs from that point on...
Q1: Shouldn't the HttpClusterServlet ensure that the requests are routed to the primary cluster member (assuming its available)?
Q2: Under 6.1, if it hits a non-primary-or-secondary, shouldn't the cluster locate the primary and promote the member that was hit to primary?
Chris
That's not a crash. HttpServletResponse.sendRedirect is throwing an IllegalStateException because you called it after the response had been committed. This is a documented part of the Servlet spec. (See, for example, http://java.sun.com/j2ee/sdk_1.3/techdocs/api/javax/servlet/http/HttpServletResponse.html#sendRedirect(java.lang.String) for the the J2EE 1.3 docs.)
The most likely problem is that you're calling sendRedirect after an include or after outputting too much data. If you're going to call sendRedirect, you need to do so near the top of your JSP file, before you output a lot of data. Once data has been sent to the client, there's no way for the server to say "oops, never mind, ignore that data and redirect over here instead".
Similar Messages
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JSESSIONID not deleted during SSO logout
We have a ADF/Struts webapp on OracleAS 10.1.2.0.2 protected by SSO (mod_osso). When a user logs off from SSO, all a success mark is shown from each partner app where the user was logged in (including our application), but the remains logged in to the webapp nevertheless.
I have tracked the problem down to the JSESSIONID cookie, which causes the user to be logged in the application as long as the cookie is present. All the strictly SSO-related cookies are deleted during the logout except the JSESSIONID for the SSO partner webapp. The user is always correctly logged out from e.g. OIDDAS after logout.
After logout, if I go and destroy the cookie either by manually deleting it from my browser or by closing the web browser, mod_osso shows immediately the SSO login page. i hav also verified by tracing the HTTP traffic that it is the JSESSIONID cookie that causes this behaviour.
In Metalink article Note:258200.1, it is said that JSESSIONID cookie is not directly related to SSO so why is it a key factor when deciding whether a user actually is logged off from the application? Furthermore, the metalink article clearly states that the JSESSIONID cookie is deleted during logout (which is not the case).
As far as I remember, we have never been able to see it working in our setup.
Can mod_osso/SSO/whatever be configured do delete the JSESSIONID during the SSO log off or what would be the correct way to get the logoff working? Furthermore, shouldn't mod_osso actually ignore the JSESSIONID cookie and only care about the SSO-related cookies when deciding whether to allow the user in?
TIA,
MarkusWe solved the problem by implementing a Servlet filter that takes care of invalidating the user session if the user has logged out (either explicitly or through Global User Inactivity Timeout).
The solution follows the guidelines described in
Oracle Identity Management Application Developer's Guide section "9.4.1 Single Sign-Off and Application Logout" (http://download-uk.oracle.com/docs/cd/B14099_19/idmanage.1012/b14087/mod_osso.htm#BJFGAGIA)
IMHO, the solution is a bit overkill, but it solved the problem. We haven't yet tried the solutions proposed by Rodrigo. -
Proxying with HttpClusterServlet
Hi,
I'm using a multihomed NT Server with WLS 6.0. I have one domain configured
with an admin server and two managed servers which are clustered. I
configured a second domain with one server and a web app deployed with
HttpClusterServlet (I extracted the HttpClusterServlet classes from
weblogic.jar and deployed them in the web app). I edited web.xml adding
HttpClusterServlet and the associated parm (defaultServers) as described in
the doc.
I'm testing load balancing of a servlet deployed on both managed servers.
Load balancing works fine as I see the servlet execution alternating from
one server to the next.
My problem is duplicating this set up on a second NT Server. With the
exception of IP addresses, hardware and the WLS 6.0 installation, the boxes
are identical. But, on this box the servlet is not load balanced. The
servlet always runs on the first server in the list. I have to admit I'm
stumped! Short of reinstalling WLS, I have tried everything I can think of
without success.
My question is how can I debug HttpClusterServlet to figure out why the
servlet is not being load balanced?
Your help would be much appreciated.
Mike
Ok, I did find and set the DebugConfigInfo to ON. When I run the servlet via the
proxy I get the following
results:
Server with load balancing not working:
Query String: __WebLogicBridgeConfig
Dynamic Server List:
Host: xxx.yy.zz.179 Port: 7019
Static Server List:
Host: xxx.yy.zz.179 Port: 7019
Host: xxx.yy.zz.186 Port: 7019
CookieName: JSESSIONID
Server with load balancing working:
Query String: __WebLogicBridgeConfig
Dynamic Server List:
Host: xxx.yy.zz.75 Port: 7019
Host: xxx.yy.zz.74 Port: 7019
Static Server List:
Host: xxx.yy.zz.74 Port: 7019
Host: xxx.yy.zz.75 Port: 7019
CookieName: JSESSIONID
Obviously, the second server is not in the dynamic server list. Any ideas????
Mike
>
>
-
Good morning,
I've followed the instructions on how to configure the HttpClusterServlet
and to install the example (InMemRepClient.war). I was expecting to be able
to access the test app via the proxy
(http://localhost:80/InMemRepClient/Session.jsp), but this yields the
message "no backend servers" and the proxy console shows:
<Sat Jun 28 12:22:08 PDT 2003>: Found session from url: null
<Sat Jun 28 12:22:08 PDT 2003>: #### Trying to connect with server
server2!7201!443
<Sat Jun 28 12:22:08 PDT 2003>: Failed to connect: server2!7201!443
<Sat Jun 28 12:22:08 PDT 2003>: marked bad: server2!7201!443
<Sat Jun 28 12:22:08 PDT 2003>: #### Trying to connect with server
server1!7101!443
<Sat Jun 28 12:22:08 PDT 2003>: Failed to connect: server1!7101!443
<Sat Jun 28 12:22:08 PDT 2003>: marked bad: server1!7101!443
<Sat Jun 28 12:22:09 PDT 2003>: === whole list is bad, reverting to the all
servers list ===
<Sat Jun 28 12:22:09 PDT 2003>: #### Trying to connect with server
server2!7201!443
<Sat Jun 28 12:22:09 PDT 2003>: Failed to connect: server2!7201!443
<Sat Jun 28 12:22:09 PDT 2003>: marked bad: server2!7201!443
<Sat Jun 28 12:22:09 PDT 2003>: Sleeping for 2 secs .....
<Sat Jun 28 12:22:11 PDT 2003>: #### Trying to connect with server
server1!7101!443
<Sat Jun 28 12:22:11 PDT 2003>: Failed to connect: server1!7101!443
<Sat Jun 28 12:22:11 PDT 2003>: marked bad: server1!7101!443
<Sat Jun 28 12:22:11 PDT 2003>: Sleeping for 2 secs .....
<Sat Jun 28 12:22:13 PDT 2003>: === whole list is bad, reverting to the all
servers list ===
<Sat Jun 28 12:22:13 PDT 2003>: #### Trying to connect with server
server1!7101!443
<Sat Jun 28 12:22:13 PDT 2003>: Failed to connect: server1!7101!443
<Sat Jun 28 12:22:13 PDT 2003>: marked bad: server1!7101!443
<Sat Jun 28 12:22:13 PDT 2003>: Sleeping for 2 secs .....
<Sat Jun 28 12:22:15 PDT 2003>: #### Trying to connect with server
server2!7201!443
<Sat Jun 28 12:22:15 PDT 2003>: Failed to connect: server2!7201!443
<Sat Jun 28 12:22:15 PDT 2003>: marked bad: server2!7201!443
<Sat Jun 28 12:22:15 PDT 2003>: Sleeping for 2 secs .....
<Sat Jun 28 12:22:17 PDT 2003>: === whole list is bad, reverting to the all
servers list ===
<Sat Jun 28 12:22:17 PDT 2003>: #### Trying to connect with server
server2!7201!443
<Sat Jun 28 12:22:17 PDT 2003>: Failed to connect: server2!7201!443
<Sat Jun 28 12:22:17 PDT 2003>: marked bad: server2!7201!443
<Sat Jun 28 12:22:17 PDT 2003>: Sleeping for 2 secs .....
<Sat Jun 28 12:22:19 PDT 2003>: #### Trying to connect with server
server1!7101!443
<Sat Jun 28 12:22:19 PDT 2003>: Failed to connect: server1!7101!443
<Sat Jun 28 12:22:19 PDT 2003>: marked bad: server1!7101!443
<Sat Jun 28 12:22:19 PDT 2003>: Tried all servers but didn't succeed
I tried accessing the app via one of the servers in the cluster directly
(http://localhost:7101/InMemRepClient/Session.jsp) and the app appears and I
can add name/value pairs. But when I kill the managed server, and continue
trying to use the app I get "Page cannot be displayed".
I have successfully run the test
(http://localhost:80/foo.jsp?__WebLogicBridgeConfig) which shows the
message:
Query String: __WebLogicBridgeConfig
General Server List:
1.. server2:7201:443
2.. server1:7101:443
ConnectRetrySecs: 2
ConnectTimeoutSecs: 10
CookieName: JSESSIONID
Debug: true
DebugConfigInfo: true
DefaultFileName: null
DisableCookie2Server: false
DynamicServerList: true
FileCaching: true
HungServerRecoverSecs: 300
Idempotent: true
KeepAliveEnabled: true
KeepAliveSecs: 30
MaxPostSize: -1
MaxSkipTime: 10
PathPrepend: null
PathTrim: null
TrimExt: null
SecureProxy: false
WLLogFile: c:/temp/wlproxy.log
WLProxySSL: false
Any ideas what I'm doing wrong is much appreciated. One point I'm puzzled
about in the above is what the :443 refers to?
Cheers,
SB
Hi Stanley,
Try with your IP address of your proxy rather than using localhost and
443 refers to the SSL port.
rgds
Srini
"Stanley Beamish" <[email protected]> wrote in message news:<[email protected]>...
> Good morning,
>
> I've followed the instructions on how to configure the HttpClusterServlet
> and to install the example (InMemRepClient.war). I was expecting to be able
> to access the test app via the proxy
> (http://localhost:80/InMemRepClient/Session.jsp), but this yields the
> message "no backend servers" and the proxy console shows:
>
> <Sat Jun 28 12:22:08 PDT 2003>: Found session from url: null
> <Sat Jun 28 12:22:08 PDT 2003>: #### Trying to connect with server
> server2!7201!443
> <Sat Jun 28 12:22:08 PDT 2003>: Failed to connect: server2!7201!443
> <Sat Jun 28 12:22:08 PDT 2003>: marked bad: server2!7201!443
> <Sat Jun 28 12:22:08 PDT 2003>: #### Trying to connect with server
> server1!7101!443
> <Sat Jun 28 12:22:08 PDT 2003>: Failed to connect: server1!7101!443
> <Sat Jun 28 12:22:08 PDT 2003>: marked bad: server1!7101!443
> <Sat Jun 28 12:22:09 PDT 2003>: === whole list is bad, reverting to the all
> servers list ===
> <Sat Jun 28 12:22:09 PDT 2003>: #### Trying to connect with server
> server2!7201!443
> <Sat Jun 28 12:22:09 PDT 2003>: Failed to connect: server2!7201!443
> <Sat Jun 28 12:22:09 PDT 2003>: marked bad: server2!7201!443
> <Sat Jun 28 12:22:09 PDT 2003>: Sleeping for 2 secs .....
> <Sat Jun 28 12:22:11 PDT 2003>: #### Trying to connect with server
> server1!7101!443
> <Sat Jun 28 12:22:11 PDT 2003>: Failed to connect: server1!7101!443
> <Sat Jun 28 12:22:11 PDT 2003>: marked bad: server1!7101!443
> <Sat Jun 28 12:22:11 PDT 2003>: Sleeping for 2 secs .....
> <Sat Jun 28 12:22:13 PDT 2003>: === whole list is bad, reverting to the all
> servers list ===
> <Sat Jun 28 12:22:13 PDT 2003>: #### Trying to connect with server
> server1!7101!443
> <Sat Jun 28 12:22:13 PDT 2003>: Failed to connect: server1!7101!443
> <Sat Jun 28 12:22:13 PDT 2003>: marked bad: server1!7101!443
> <Sat Jun 28 12:22:13 PDT 2003>: Sleeping for 2 secs .....
> <Sat Jun 28 12:22:15 PDT 2003>: #### Trying to connect with server
> server2!7201!443
> <Sat Jun 28 12:22:15 PDT 2003>: Failed to connect: server2!7201!443
> <Sat Jun 28 12:22:15 PDT 2003>: marked bad: server2!7201!443
> <Sat Jun 28 12:22:15 PDT 2003>: Sleeping for 2 secs .....
> <Sat Jun 28 12:22:17 PDT 2003>: === whole list is bad, reverting to the all
> servers list ===
> <Sat Jun 28 12:22:17 PDT 2003>: #### Trying to connect with server
> server2!7201!443
> <Sat Jun 28 12:22:17 PDT 2003>: Failed to connect: server2!7201!443
> <Sat Jun 28 12:22:17 PDT 2003>: marked bad: server2!7201!443
> <Sat Jun 28 12:22:17 PDT 2003>: Sleeping for 2 secs .....
> <Sat Jun 28 12:22:19 PDT 2003>: #### Trying to connect with server
> server1!7101!443
> <Sat Jun 28 12:22:19 PDT 2003>: Failed to connect: server1!7101!443
> <Sat Jun 28 12:22:19 PDT 2003>: marked bad: server1!7101!443
> <Sat Jun 28 12:22:19 PDT 2003>: Tried all servers but didn't succeed
>
> I tried accessing the app via one of the servers in the cluster directly
> (http://localhost:7101/InMemRepClient/Session.jsp) and the app appears and I
> can add name/value pairs. But when I kill the managed server, and continue
> trying to use the app I get "Page cannot be displayed".
>
> I have successfully run the test
> (http://localhost:80/foo.jsp?__WebLogicBridgeConfig) which shows the
> message:
>
> Query String: __WebLogicBridgeConfig
>
> General Server List:
> 1.. server2:7201:443
> 2.. server1:7101:443
>
> ConnectRetrySecs: 2
> ConnectTimeoutSecs: 10
> CookieName: JSESSIONID
> Debug: true
> DebugConfigInfo: true
> DefaultFileName: null
> DisableCookie2Server: false
> DynamicServerList: true
> FileCaching: true
> HungServerRecoverSecs: 300
> Idempotent: true
> KeepAliveEnabled: true
> KeepAliveSecs: 30
> MaxPostSize: -1
> MaxSkipTime: 10
> PathPrepend: null
> PathTrim: null
> TrimExt: null
> SecureProxy: false
> WLLogFile: c:/temp/wlproxy.log
> WLProxySSL: false
> _____________________________________________________
>
> Any ideas what I'm doing wrong is much appreciated. One point I'm puzzled
> about in the above is what the :443 refers to?
>
> Cheers,
>
> SB
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Animated GIF ignoring frame timing
I am trying to create simple animated GIFs with a few layers
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longer delays so that the text pauses, before fading out to be
replaced by the next text.
When I reopened the file, to adjust the background color, and
then re-saved it, the GIF now plays straight through, ignoring the
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Any ideas, anyone?
Thanks in advance.None, None.
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How to get Materialized View to ignore unused columns in source table
When updating a column in a source table, records are generated in the corresponding materialized view log table. This happens even if the column being updated is not used in any MV that references the source table. That could be OK, so long as those updates are ignored. However they are not ignored, so when the MV is fast refreshed, I find it can take over a minute, even though no changes are required or made. Is there some way of configuring the materialized view log such that the materialized view refresh ignores these updates ?
So for examle if I have table TEST:
CREATE table test (
d_id NUMBER(10) PRIMARY KEY,
d_name VARCHAR2(100),
d_desc VARCHAR2(256)
This has an MV log MLOG$_TEST:
CREATE MATERIALIZED VIEW LOG ON TEST with rowid, sequence, primary key;
CREATE MATERIALIZED VIEW test_mv
refresh fast on demand
as
select d_id, d_name
from test;
INSERT 200,000 records
exec dbms_mview.refresh('TEST_MV','f');
update test set d_desc = upper(d_desc) ;
exec dbms_mview.refresh('TEST_MV','f'); -- This takes 37 seconds, yet no changes are required.
Oracle 10g/11gI would love to hear a positive answer to this question - I have the exact same issue :-)
In the "old" days (version 8 I think it was) populating the materialized view logs was done by Oracle auto-creating triggers on the base table. A "trick" could then make that trigger become "FOR UPDATE OF <used_column_list>". Now-a-days it has been internalized so such "triggers" are not visible and modifiable by us mere mortals.
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One way around the problem is to migrate to STREAMS replication rather than materialized views - but it seems to me like swatting a fly with a bowling ball...
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But I hope someone can answer both you and me with a better solution ;-) -
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Incompetent CS ignores you, lock your call/case or sends defective parts : What should i do?!
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I also had trouble with the fan making strange noise at times. They actually sent a fan to me a year ago but it wasn't the right FRU, i just let go on that at this time. Now, since i was going to get the motherboard replaced (they agreed) i told them to please send back the fan, reminding them it was supposed to be changed.
As said i do not feel safe when someone has to tear appart my unit, i'd rather do it myself. So i said, please change the parts all at once. That's when it got complicated. They refused to change the fan. Even though i sent them back their automatic mail showing that part was sent back in time (that's what they asked). From there it was just hell :
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I know there are some Lenovo staff here, hope they'd say a word. Even though i'm in Europe, this is global lenovo forum... There is apparently NOT A SINGLE WAY to complain to a higher level in this company.Julien,
Thanks - we have escalated your case to our regional customer relations team and I have confidence that they will be able to help you bring this regrettable saga to a positive resolution.
I understand your concern on the timing of this.
Best regards,
Mark
ThinkPads: S30, T43, X60t, X1, W700ds, IdeaPad Y710, IdeaCentre: A300, IdeaPad K1
Mark Hopkins
Program Manager, Lenovo Social Media (Services)
twitter @lenovoforums
English Community Deutsche Community Comunidad en Español Русскоязычное Сообщество -
Absolute WORST customer support - lied to and ignored
I have never received worse customer support from a company.
About a month ago I downloaded the trial for Adobe Media Server 5 as we had been running FCS 1.5 for a long time and decided it was time to update.
The trial worked well for my custom application, and I was contacted by an Adobe Sales Rep during the trial period.
I chatted with her on the phone and she assured me that the ONLY difference between AMS 5 Standard and AMS 5 Professional (besided an additional $1000 price tag) was that AMS 5 Professional had IP multicasting, which is functionality we did not need (this was misinformation #1). She assured me there would be educational pricing (as I work at a University).
I received a link to the regular store, and when I inquired about it I was told there was no education pricing for AMS 5 (misinformation #2).
So based on the advice of the representative, we purchased the standard edition - purchasing here takes multiple signatures and a few weeks of time. When we finally got AMS 5 standard, I installed it and.. lo and behold my application did not work - but it worked when I removed the serial # from the server. After a ridiculous amount of digging and reading the logs, I found that AMS standard does not support custom applications. I had been misinformed by the sales representative.
I then contacted support - that took about 1.5 hours for them to get back to me, and then when I picked up the phone (using the callback service) it took another 10 minutes for someone to pick up! I had to give my information 3 separate times to 3 separate staff before I was transferred to the proper department. I spoke to someone on the AMS sales team and told them I had been misinformed by a representative about my purchase, and now I will not be able to make my deadline so I was hoping there was some way this could be fixed. They asked for the name of the representative and mentioned they would speak to them and and get back to me.
The original sales representative got back to me and I spoke with her and she insisted that I was incorrect and that she specifically mentioned custom apps. I said that was not the case and if possible, could we review the phone call recording for accuracy? She said that would take some time. I said considering this was Adobe's mistake, would it be possible to upgrade my version? She said they do not do that anymore and that the best they could do was a refund. I explained that my deadline was looming and that I would not be able to purchase a new verison in time. She said there was nothing she could do, so I asked to speak to the manager. The manager e-mailed my asking for my phone number, and then never called me. So 2 hours later I sent the following e-mail:
Hi [Manager],
I am still anticipating your call today before 4:00 pm PST. I had asked that my original phone conversation recording be reviewed for accuracy. The resolution of this issue is time sensitive so please call as soon as possible.
Cheers,
[Me]
and I received this in response.
Hi [Me],
My calendar is tied up today. I will call you first thing tomorrow morning.
Also wanted to let you know that we do not record calls.
Thanks,
[Manager]
Okay, a call centre that doesn't record calls - really? That's 3 pieces of conflicting information now. Then (admittedly) I got a bit angry:
I keep getting different information from each person and it has wasted a significant amount of my time. On the phone I was told we could review the recording of the call, now I am told that you don't record the calls. I was told there was educational pricing, then I find there is not educational pricing. I was told that the only difference between the versions was IP multicasting which led me to purchase the standard version, then I had to find out on my own that that was not the case. I would like Adobe to take responsibility for their mistakes and misinformation. I would like an upgrade to the professional version. If you are not authorized to do that, please put me in contact with someone who can.
And guess what? Nothing. So I sent another e-mail.
Hi [Manager],
Is there any reason why I have not gotten a phone call or e-mail response?
Thanks,
[Me]
I got this back:
I just called and left you a VM.
Will try to connect with you later today.
Thanks,
[Manager]
And I haven't heard from them since. The deadline was today, now I have no server, no running application, and am totally hooped. We have PO in for the pro version, but that won't be processed for probably another week. I have mailed the manager back and the sales rep letting them know I'll be following up on the issue, but I doubt I will get any repsonse from them either and I have no clue where to even direct my inquiry...
So, thanks Adobe, for providing the wrong purchasing advice, blaming it on me, giving me the runaround and ignoring me. I guess companies no longer really care about their customers, just the bottom line.Well, it's now end-of-day on the 10th.
After sending e-mails to the 2 parties above telling them I would be following up, I got a follow up late last Friday with someone who claimed to be getting a temporary serial key, only then to tell me afterwards that it was not possible.
Monday, my support ticket was closed with no explanation. I reopened it.
I have had someone PM me on the forums yesterday, telling me a senior agent would contact me. They haven't.
So, the nightmare continues I suppose. I'll keep updating this until it gets resolved. -
Dear all,
I've created out BI system in our new Portal installation and tested the connection. Everything works fine. I added the certificate of the portal to STRUSTSSO2 in BI ABAP and assigned SAP_ALL and SAP_NEW to my Account.in BI. If I open the iView from the portal I get a BSP Exception with the message:
The used connection by the iView is to the ABAP-Stack of the BI-system not to the JAVA-Stack. Is that correct?
BSP Exception: Der Zugriff auf die URL /irj/servlet/prt/portal/prtroot/com.sap.ip.bi.web.portal.integration.launcher;jsessionid=IDBYatWIpt_pX4uc52ChoZqMWkm1RAFW2qsA_SAP ist untersagt.
What can be the problem/reason?
Thanks!Hi Gerrit
In both places you have to provide a authorization access to the end users then only it will work. because your are already said that in SAP_All & SAP_New working fine
Back end BI system access as per the word document as pasted the link
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=7&cad=rja&uact=8&ved=0CFIQFjAG&url=http%3A%2F%2Fbasisdsp.f…
For SAP portal you have to create iview's assign the same to end user
Assigning an Authentication Scheme to an iView - User Authentication and Single Sign-On - SAP Library
Portal Authentication Infrastructure - Configuring the Portal for Initial Use - SAP Library
BR
SS -
TableFileterDemo - ignore case
I have implemented the code from the java tutorials "TableFilterDemo" into some of my code and have it working. I was trying to tweak it a bit to have it ignore the case when you enter text to filter for. I took a look at the String class and the equalsIgnoreCase but I'm not comparing it in this case. I also went the route of pattern:
final int flags = Pattern.CANON_EQ | Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE;
pattern = Pattern.compile(filterText, flags);but that broke it where it would not filter anything. Any ideas on what I might be missing?
package tablefilter;
* Copyright (c) 1995, 2008, Oracle and/or its affiliates. All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - Neither the name of Oracle or the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* TableFilterDemo.java requires SpringUtilities.java
import javax.swing.*;
public class TableFilterDemo extends JPanel {
private boolean DEBUG = false;
private JTable table;
private JTextField filterText;
private JTextField statusText;
private TableRowSorter<MyTableModel> sorter;
public TableFilterDemo() {
super();
setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
//Create a table with a sorter.
MyTableModel model = new MyTableModel();
sorter = new TableRowSorter<MyTableModel>(model);
table = new JTable(model);
table.setRowSorter(sorter);
table.setPreferredScrollableViewportSize(new Dimension(500, 70));
table.setFillsViewportHeight(true);
//For the purposes of this example, better to have a single
//selection.
table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
//When selection changes, provide user with row numbers for
//both view and model.
table.getSelectionModel().addListSelectionListener(
new ListSelectionListener() {
public void valueChanged(ListSelectionEvent event) {
int viewRow = table.getSelectedRow();
if (viewRow < 0) {
//Selection got filtered away.
statusText.setText("");
} else {
int modelRow =
table.convertRowIndexToModel(viewRow);
statusText.setText(
String.format("Selected Row in view: %d. " +
"Selected Row in model: %d.",
viewRow, modelRow));
//Create the scroll pane and add the table to it.
JScrollPane scrollPane = new JScrollPane(table);
//Add the scroll pane to this panel.
add(scrollPane);
//Create a separate form for filterText and statusText
JPanel form = new JPanel(new SpringLayout());
JLabel l1 = new JLabel("Filter Text:", SwingConstants.TRAILING);
form.add(l1);
filterText = new JTextField();
//Whenever filterText changes, invoke newFilter.
filterText.getDocument().addDocumentListener(
new DocumentListener() {
public void changedUpdate(DocumentEvent e) {
newFilter();
public void insertUpdate(DocumentEvent e) {
newFilter();
public void removeUpdate(DocumentEvent e) {
newFilter();
l1.setLabelFor(filterText);
form.add(filterText);
JLabel l2 = new JLabel("Status:", SwingConstants.TRAILING);
form.add(l2);
statusText = new JTextField();
l2.setLabelFor(statusText);
form.add(statusText);
SpringUtilities.makeCompactGrid(form, 2, 2, 6, 6, 6, 6);
add(form);
* Update the row filter regular expression from the expression in
* the text box.
private void newFilter() {
RowFilter<MyTableModel, Object> rf = null;
//If current expression doesn't parse, don't update.
try {
rf = RowFilter.regexFilter(filterText.getText(), 0);
} catch (java.util.regex.PatternSyntaxException e) {
return;
sorter.setRowFilter(rf);
class MyTableModel extends AbstractTableModel {
private String[] columnNames = {"First Name",
"Last Name",
"Sport",
"# of Years",
"Vegetarian"};
private Object[][] data = {
{"Kathy", "Smith",
"Snowboarding", new Integer(5), new Boolean(false)},
{"John", "Doe",
"Rowing", new Integer(3), new Boolean(true)},
{"Sue", "Black",
"Knitting", new Integer(2), new Boolean(false)},
{"Jane", "White",
"Speed reading", new Integer(20), new Boolean(true)},
{"Joe", "Brown",
"Pool", new Integer(10), new Boolean(false)}
public int getColumnCount() {
return columnNames.length;
public int getRowCount() {
return data.length;
public String getColumnName(int col) {
return columnNames[col];
public Object getValueAt(int row, int col) {
return data[row][col];
* JTable uses this method to determine the default renderer/
* editor for each cell. If we didn't implement this method,
* then the last column would contain text ("true"/"false"),
* rather than a check box.
public Class getColumnClass(int c) {
return getValueAt(0, c).getClass();
* Don't need to implement this method unless your table's
* editable.
public boolean isCellEditable(int row, int col) {
//Note that the data/cell address is constant,
//no matter where the cell appears onscreen.
if (col < 2) {
return false;
} else {
return true;
* Don't need to implement this method unless your table's
* data can change.
public void setValueAt(Object value, int row, int col) {
if (DEBUG) {
System.out.println("Setting value at " + row + "," + col
+ " to " + value
+ " (an instance of "
+ value.getClass() + ")");
data[row][col] = value;
fireTableCellUpdated(row, col);
if (DEBUG) {
System.out.println("New value of data:");
printDebugData();
private void printDebugData() {
int numRows = getRowCount();
int numCols = getColumnCount();
for (int i=0; i < numRows; i++) {
System.out.print(" row " + i + ":");
for (int j=0; j < numCols; j++) {
System.out.print(" " + data[i][j]);
System.out.println();
System.out.println("--------------------------");
* Create the GUI and show it. For thread safety,
* this method should be invoked from the
* event-dispatching thread.
private static void createAndShowGUI() {
//Create and set up the window.
JFrame frame = new JFrame("TableFilterDemo");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//Create and set up the content pane.
TableFilterDemo newContentPane = new TableFilterDemo();
newContentPane.setOpaque(true); //content panes must be opaque
frame.setContentPane(newContentPane);
//Display the window.
frame.pack();
frame.setVisible(true);
public static void main(String[] args) {
//Schedule a job for the event-dispatching thread:
//creating and showing this application's GUI.
javax.swing.SwingUtilities.invokeLater(new Runnable() {
public void run() {
createAndShowGUI();
}sorter.setRowFilter(RowFilter.regexFilter("(?i)" + text));, works for ASCII, but doesn't works correctly for Latin1-X and another Charsets for some chars near to EnterKey (on the keaboard)
please for Swing rellated question is there Swing -
How to ignore blank/null key figure value in BI Queries
Reports on Multiprovider - we see some cells of a Key figure as blanks. These blanks are interpreted as zeros by the system and calculated accordingly resulting in incorrect values. As per our requirement, we need a count of all hard/real zeros only, not the blanks. For example, if there are 10 rows of which 6 are real zeros and 4 are blanks - our count should be 6 and not 10.
How to ignore the blanks in BEx queries please?
Thanks for your help.
UpenderRakesh,
It is not possible to find a pattern because the report is on a MultiProvider with 2 InfoProviders- Purchasing documents DSO and Material Movements InfoCube.
Every Purchasing Document has several materials associated with it. These materials are compared with materials in Materials Movement. Not all materials in Purchasing Document are found in Materials Movement. For those Materials found in Materials Movement, the Quantity is obtained. For these found rows, the correct value is showing up - if the quantity is zero, it is showing in reports as zero. If the material is not found in Material Movements then Quantity shows up as blank values.
My requirement is ignore such blank quantities and not count them. Only Quantities with 0 values should be counted. Currently both blanks and zero values are counted showing inflated count.
Thanks,
Upender -
Upload to Google Drive ignores my "Do not OCR" setting
I love the HP AiO app on my iPhone. I use it to scan all my snailmail, which helps a lot with my personal administration.
However, when I scan a document to PDF and then upload that PDF to Google Drive, I get a file with a .pdf.gdoc extension, which attempts to OCR my document. While this can be useful, there are also documents like a diploma, passport etc that I want to keep as PDF files. My Google Drive settings are configured to not perform any OCR nor to try to convert a PDF to a Google Doc. But it looks like the app ignores these settings. Would it be possible to fix this?Hi zeptimius, welcome to the HP Forums. I understand when you scan PDF files, and save them to Google Drive it is being OCR'd regardless of your setting on Google Drive to not OCR.
I am not certain how Google processes these documents, but I suggest you scan somewhere else to see if it ends up being OCR'd. This will tell you if the OCR option is being done before getting to Google Drive. If it does not, then you would have to contact Google to ask how to prevent this undesirable action.
Let me know what you come up with.
TwoPointOh
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the bottom to say “Thanks” for helping! -
Status keeps changing from invisible to online: why the issue is ignored?
There is a serious issue raised in the parallel thread, which is critical for many people: "Status keeps changing from invisible to online" (initiated on 16-11-2014 by b.agne, Mac section). In short, when starting using a device, the Skype status changing from "invisible" to "online" - sometimes just for a moment, though enough for others to notice you. These affects very much any type of devices. I am sure the issue has already led to multiple personal crisises and potentially financial losses due to buseness partnership issues (I came close to that myself, and now use anything but Skype for business). The question is: WHY the issue is completely ignored by Skype, Microsoft and expert comunity? Please post the solution if anybody knows how to fix the issue, or suggest how to make Microsoft to know that it should be fixed. Kind regard...
Hi, I also have the same issue. I change the status to Invisible and a later on it is already as "Online", without having even touched/opened Skype. The only way that I see this may happen is that I have the app installed on the smartphone, but before it never had this issue, but from some month ago it started. Any correction or suggestion to work around this issue? Regards
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