Field length misreported in application with AL32UTF8 database
Hi all,
I have the following problem with two different applications running against an Oracle 10.2 database with AL32UTF8 character set. The tables in the database are created using NLS_LENGTH_SEMANTICS=CHAR. The problem is that in the applications, the length of the fields are misreported as being 3 or 4 times longer, so that the users can input too much data which can then not be stored. For example with a field created as VARCHAR2(20 CHAR), it is reported in the application as either 60 or 80 characters depending on where it is run from.
I suspect this is because both applications don't implement proper support for length semantics. One is a Win32 application written in Delphi and using the SqlDirect interface to OCI. The other is a Microsoft .NET framework 1.1 application using the Microsoft System.Data.OracleClient interface to OCI. The application can read and write data including international characters but the lengths are incorrect.
I don't know much about the low-level OCI details but when scanning the documentation I found some information about OCI_ATTR_CHAR_SIZE which is what I suppose the application should use to get the character length of a field.
I made a quick test program using the Oracle Data Provider for .NET and with that it seems to report the column lengths correctly, but changing to that for the .NET application is not something that can be done quickly.
I would be very interested to know if anyone else has encountered similar issues, and if there was a solution that did not involve changing the application, i.e. is there some parameter or something that could be changed so that the application reports the size in characters?
If this is indeed an application/driver bug as I suspect, then I will take the question to the corresponding supplier.
Thank you very much in advance for any input you can give on this issue
Robert
The third-part drivers, like those you mentioned, are usually built on OCI and, if they are not aware of character semantics, they always use OCI_ATTR_DATA_SIZE attribute to retrieve the column length. This attribute is always in bytes and there is no option to change this.
-- Sergiusz
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at oracle.adfinternal.view.faces.renderkit.rich.PanelFormLayoutRenderer$FormColumnEncoder.processComponent(PanelFormLayoutRenderer.java:1523)
at org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:187)
at org.apache.myfaces.trinidad.component.UIXComponent.processFlattenedChildren(UIXComponent.java:318)
at org.apache.myfaces.trinidad.component.UIXComponent.encodeFlattenedChildren(UIXComponent.java:283)
at oracle.adfinternal.view.faces.renderkit.rich.PanelFormLayoutRenderer._encodeChildren(PanelFormLayoutRenderer.java:420)
at oracle.adfinternal.view.faces.renderkit.rich.PanelFormLayoutRenderer.encodeAll(PanelFormLayoutRenderer.java:208)
at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1681)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:641)
at oracle.adf.view.rich.render.RichRenderer.encodeAllChildrenInContext(RichRenderer.java:3062)
at oracle.adfinternal.view.faces.renderkit.rich.FormRenderer.encodeAll(FormRenderer.java:274)
at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1681)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(CoreRenderer.java:624)
at oracle.adf.view.rich.render.RichRenderer.encodeChild(RichRenderer.java:3201)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChildren(CoreRenderer.java:641)
at oracle.adf.view.rich.render.RichRenderer.encodeAllChildrenInContext(RichRenderer.java:3062)
at oracle.adfinternal.view.faces.renderkit.rich.DocumentRenderer.encodeAll(DocumentRenderer.java:1275)
at oracle.adf.view.rich.render.RichRenderer.encodeAll(RichRenderer.java:1452)
at org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:511)
at org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:923)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1681)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1677)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:125)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:468)
at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:468)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:293)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:199)
at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:119)
at java.security.AccessController.doPrivileged(Native Method)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:315)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:442)
at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:103)
at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:171)
at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:139)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)
Please help me if you can! Thank you in advance
Edited by: 1003357 on May 2, 2013 3:23 AMI pasted the JDBC driver everywhere in the jdeveloper folders, to JDK and JRE.
The MySQL Connector Java JAR files are not found in the runtime class of the web application as indicated by the error message java.lang.NoClassDefFoundError, msg=com/mysql/jdbc/DatabaseMetaData
Please refer
http://docs.oracle.com/cd/E15523_01/web.1111/e13737/third_party_drivers.htm#autoId1 -
How to integrate android application with oracle database using oracle mobile database server.
Hi,
I developed one web application using oracle database. I want to implement same web application in android. My problem is how to integrate android application with existing oracle database using oracle database mobile server. Can u please guide me how to install oracle database mobile server and how to integrate android app with existing oracle database..
Thank you.In the Database Mobile Doc set there is an entire book that covers the Installation of Oracle Database Mobile Server. Chap 4 of that book contains screen shots and all kinds of information that will help guide you through the installation. We also have a doc on the different mobile clients. Chap 2 of that guide covers installs and integration of an android app.
thanks
mike -
Flex Mobile Application with online database
Hi,
I would like to create a Flex Mobile Application but this one have to be read/connect to a online database ?
I don't found any tuto or infos about that...
Could you please tell me if it's possible and if yes, how to do that
Thanks in advance !I don't understand one thing...
There are different type to do a connection between Flex and PHP.
Which one is the best ?
1. With AMF (Flex : service-config.xml, RemoteObject) (http://www.adobe.com/devnet/flex/articles/crud_flex_php_zend.html)
2. With Zend Framework (Flex : Callresponder, Time,...) already included in Flash Builder 4.5 (http://devzone.zend.com/1701/flex-and-zend-framework_part-1/)
3. With Zend Server and Flash Builder 4.5 with PHP (http://www.adobe.com/devnet/flash-builder/articles/flashbuilder-php-part1.html)
It's three differents approach but in 2 & 3, it's auto configured with Flex.. however to do a connection between Flex Mobile & PHP (online), I have to use the solution 1
So, if somebody can help me to explain and understand the difference between that.
thanks -
Need to call an application with in Database trigger
Dear all
I have created a database trigger that reads the new values inserted on my table and append the record on a text file on the operationg system.
I have a software that convert this text file to binary file.
I can call this software using a command prompt
I need to issue this command prompt from within the database trigger
I need to Know is there a package or plsql code that can call an application.
We can do this easly on the form builder using the comman HOST
But I need to issue this command from within SQL PLUS
is there a way
please help
thanks in advanceanother simple way is to write a C program with an exec function that calls the external program.
The C function can be called by the Oracle server as an extproc (like a PL/SQL funtion call).
Check for the extproc Oracle documentation:
http://download-uk.oracle.com/docs/cd/B19306_01/server.102/b15658/ldr_demo.htm
Sample programs you will find in your $ORACLE_HOME/plsql/demo directory.
Kind regards
Karsten -
How to run local host web application in win 7 64 bit with oracle database?
Hi all,
Hope doing well,
sir i am running my local host web application with oracle database in win 7 32 bit. it's working fine.
but when i am running the same thing in win 7 64 bit. it's showing login error.
not going to home page even i checked with this published file open in visual studio it's working fine.
how to run it correctly?
thanks in advance.The number of times you have been asked to post sufficient details for your questions, we would expect you to have got the message by now... but clearly not.
952646 wrote:
but when i am running the same thing in win 7 64 bit. it's showing login error.What error? You haven't posted an error. There are millions of possible errors in computing and you're expecting people to guess which one.
not going to home page even i checked with this published file open in visual studio it's working fine.
how to run it correctly?No code, no database version, no details...... = NO HELP.
When are you going to learn. -
Oracle Developer 6 applications with database 10g
Hello,
My all applications are developed and running in Oracle Developer 6 with database 9i. But now i want to use
database 10g with these Oracle Developer 6 build applications.
Already compiled files (with dev 6 and DB 9i) are runing with database 10g quite nicely,but when i try to
recomplie the source files of these applications with 10g database i got the fowlloing error.
ORA-00600: internal error code, arguments: [17069], [45468896], [], [], [], [], [], []
After it i open these Oracle Developer 6 applications source files with Oracle Developer 6i and use 10g database,
compile and run very easly.
I think it is old version problem .But my development team dont want update all applications to new version (6i or other) yet.
Is there any solution to use Oracle Developer 6 applications with database 10g ?
Thanx.The general rule is "Ora-00600s (and 7445s, 3113s) are to be reported to Support". Look in Metalink to see whether any one else has reported it, based on the first argument. If so, there may be a workaround or a patch.
Since you are asking this generically without database version, patch level or operating system, I assume you are using the unsupported free download and do not have access to Metalink. In that context
1) What is the problem:
The problem is your request (QSL, PL/SQL, Java) is hitting a bug or abusing a part of the Oracle software in an unexpected way. ORA-00600 is simply one of the 'unexpected and unhandled exceptions'.
2) Required action:
Since it is unexpected and unhandled, there are several ways to proceed:
- Search the net for the first argument (ktspgetmyb-1) to see whether someone has a workaround
- Reproduce and Simplify your offending code until you find your own workaround.
Often this happens with some sql statement
serache for metaling ORA-00600 log -
Hi,
I would like to develop a custom interface for an API application. I am evaluating to use ADF.
Is possible to create an ADF application with no database?
How can I create a model and Business component based on anything different a database?
Thanks in advance,Hi,
fetishcode, I will get the data from the Oracle Identity Manager API. I would like to create an easy interface for some simple end-user operations and these operation will interact with the application API.
Do you know if there is any example about how to create the model and business components?
Kind regards,
Edited by: 901227 on Dec 9, 2011 8:46 AM -
How to restrict io field length...?
hi,
how can we restrict the io screen field length on the screen with out changing field type....
Regards,
Anil.Hi ,
Do you want to restrict the display or the input length.
In case you want to restrict the display with the select-options or parameters then simply use the extension
... VISIBLE LENGTH vlen
Effect
This addition allows you to shorten the visible length of the corresponding screen field on the selection screen to vlen.
and in case you want to restrict it based on the number of characters then check out the following code.
PARAMETERS p_test TYPE c LENGTH 10.
DATA test TYPE i.
AT SELECTION-SCREEN ON p_test.
test = STRLEN( p_test ).
IF test > 4 .
MESSAGE 'Length greater than 4' TYPE 'E'.
ENDIF.
reward if usefull.
regards
taher -
Installing Siebel with sample database
Hi,
I am totally new to Siebel. So I want knoe through Siebel sample database.In one of the forum it was mentioned that I will get sample database in Siebel tools on https://edelivery.oracle.com/.So, I have downloaded Sibel Tools from 8.1.1 from the same site. But there I have all JAR files. I don't know What I have to do with that. Can anyone help me with this? Right now I am going through training but to practice or understand I need Siebel Application with sample database. Please help me with this
.Thanks Joseph for the help..
I am doing the same but I encountered one more problem now. I tried to search on other forums but no solution.
The 3rd step in the Siebel Client installation - "step to select a language pack"
The installation wizard peforms the product-sepcific prerequisite checks and when i click on continue i get the below error msg
" No translations found for hiException_desc"
When i click on contiune to use the defualt value and go on, it takes me to step 3 "Select Languages"
I do not see a list of available language.
When i select Next, it throws a msg
'Select atleast one language and English is compulsory for Siebel business application client to work"
Do u know the solution for this?? -
Htmleditformat & Database Field Lengths
I happened across an article about SQL injection, a topic I frequently look back into to see what new threats have been discovered, and this particular author was pushing for the use of htmleditformat on all form data being inserted into a database. Now I have coded and secured several different websites against SQL injection, each using simlar to slightly-varied techniques at blocking those pesky hackers, so my question is not how to prevent SQL injections, but instead my question is more about htmleditformat and database field lengths.
htmleditformat on user-inserted data is part of my SQL injection prevention scheme, but on rare occasion I have this problem:
Let's say I have a field in my database for the user's first name, with a generous length of 20 characters.
The user's name, just as an example, is 18 characters long. No problem, right?
But let's say that user's name has a symbol, or foreign language character, that then gets converted by htmleditformat behind the scenes? Suddenly that 18 characters balloons up to 23 characters, generating an error because my CFQUERYPARAM maxlength is 20, not to mention the field in the database.
So, for those who do scrub user data with htmleditformat, how do you handle this, if at all?I agree with mack. HtmlEditFormat is intended for displaying strings, not making them safe. You might try using the StripHtml or SafeText user defined functions from cflib.org to remove undesired HTML from your input.
http://www.cflib.org/udf/stripHTML
http://www.cflib.org/udf/SafeText -
Problem with applications and accessing database
Hi
I have a serious problem with my applications.I was trying to change "users"'s folder icon so I changed the setting in information.I don'y know what I did but It made these problems:
many of applications does not open for example
itunes-->The folder "iTunes" is on a locked disk or you do not have permission...
picasa alerts me with a database error
yahoo messenger just pops up once and doesn't open.
firefox the same problem
net monitor alerts with a database problem.
evernote same problem
all of my address book is erased.
I think somehow I removed the db files or I changed the permission and the programs can not access to their db files.don't know the last thing I have done was trying to change the icon and after that I found out about the problem.Maybe sth else caused the problem . anyway I copied all of my files to a new user and I removed the user with problems & everything is ok here.thank u all.
-
Application crashes with timesten database over OCI connection
Application crashes with timesten database over OCI connection
#0 0x405e09f8 in kpudsany () from /home/oracle/TimesTen/ratingtt1121/ttoracle_home/instantclient_11_1/libclntsh.so.10.1
#1 0x405728d0 in OCIDescribeAny () from /home/oracle/TimesTen/ratingtt1121/ttoracle_home/instantclient_11_1/libclntsh.so.10.1
#2 0x43748a5a in GDBociDriver::StoredProcArgumentList () from /home/omni/library/libgfr_dboci.so
#3 0x4374e865 in GDBociDriver::StoredProcCallFormat () from /home/omni/library/libgfr_dboci.so
#4 0x4376ec9a in GDBociDriver::ExecuteStmtBind () from /home/omni/library/libgfr_dboci.so
#5 0x4376fc69 in GDBociDriver::Execute () from /home/omni/library/libgfr_dboci.so
#6 0x436ba240 in GDBstatement::Execute () from /home/omni/library/libgfr_dblayer.so
#7 0x43736106 in GDBociDriver::SetModule () from /home/omni/library/libgfr_dboci.so
#8 0x4366cb22 in GDBconnectionPool::GetConnection () from /home/omni/library/libgfr_dblayer.so
#9 0x4367a9db in GDBdriver::LoginConnectionGet () from /home/omni/library/libgfr_dblayer.so
#10 0x4373dbaa in GDBociDriver::Login () from /home/omni/library/libgfr_dboci.so
#11 0x4377380f in CreateOCIDriver () from /home/omni/library/libgfr_dboci.so
#12 0x4367bb2a in GDBdriverLoader::CreateDriver () from /home/omni/library/libgfr_dblayer.so
#13 0x436d423d in IGDBdriverMgr::GetDriverAndLogin () from /home/omni/library/libgfr_dblayer.so
#14 0x436d4da1 in IGDBdriverMgr::GetDriver () from /home/omni/library/libgfr_dblayer.so
#15 0x436a5071 in GDBserverDef::InitialLogin () from /home/omni/library/libgfr_dblayer.so
#16 0x433247cc in CcapAdbAccess::Init (this=0x9e85a88) at CcapAdbAccess.C:161
#17 0x43331c44 in CcapMain::Run (this=0x434eeb80, sdpId=2, processName=0x9dae29c "URE61_O2") at CcapMain.C:132
#18 0x080947d1 in ccap_thread (arg=0x0) at main.C:1588
#19 0x080e7bd2 in ThreadManager::WrapperRoutine (ipArg=0x9e84fc0) at ThreadManager.C:176
#20 0x0035f44a in start_thread () from /lib/libpthread.so.0
Timesten has some limitations and it says:
Describing objects with OCIDescribeAny() is supported only by name. Describing PL/SQL objects is not supported.
home/omni/library/libgfr_dblayer.so
Cloud you please tell us whit might be the reason for thisAre you able to provide exact details of the OCIDescribeAny call being made by the application (including parameter values)?
Chris -
Hello Experts,
I have deployed an ADF application on Oracle Java Cloud Service - SaaS Extension and also deployed database objects from local environment to cloud using JDeveloper. I can see the cloud database has tables and data which I have deployed but when I access the application it seems it is not able to connect with cloud database.
I have followed below document and same sample application (HRSystem).
http://www.oracle.com/webfolder/technetwork/tutorials/obe/java/JDeveloperPart1/jdeveloperPart1.html
http://www.oracle.com/webfolder/technetwork/tutorials/obe/java/JDeveloperPart2/jdeveloperPart2.html
Please guide me what can be the issue.
Regards
Gulam DyerHi,
Can you give us more details about your issue? Any error messages?
Thanks,
Bogdan
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