HTTP 400 Error during logoff

Hi all!
I have menu Portlet, which just contains URL links. This menu also contains logout URL:
http://mineserv:port/pls/orasso/orasso.wwsso_app_admin.ls_logout?p_done_url=<logout URL>
It works most part of time, but sometimes I have error 404:
The requested URL /pls/orasso/orasso.wwsso_app_admin.ls_logout was not found on this server.
I don't understand what happens...Can anybody explain me what problem I have. May be I do something wrong...I don't know.
Thanks and excuse me for my English
Message was edited by:
kostik

In HTTP Server error log I found such message:
mod_plsql: /pls/portal/PORTAL.wwsec_app_priv.logout HTTP-404 PORTAL.wwsec_app_priv.logout: SIGNATURE (parameter names) MISMATCH VARIABLES IN FORM NOT IN PROCEDURE: P_DONE_URL NON-DEFAULT VARIABLES IN PROCEDURE NOT IN FORM:

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            width = maxWidth;
            scale = true;
        if( height < minHeight ){
            height = minHeight;
            scale = true;
        } else if( height > maxHeight ){
            height = maxHeight;
            scale = true;
        if( scale ){
            img = img.getScaledInstance( width, height,
                       Image.SCALE_SMOOTH );
            GraphicsUtils.waitForImage( img );
        // Now adjust the color depth...
        if( reduce ){
            ColorReducer reducer = new ColorReducer( colors,
                                                     dither );
            try {
                img = reducer.getColorReducedImage( img );
            catch( Exception e ){
                response.sendError( response.SC_BAD_REQUEST,
                                    "Error reducing image" );
                return;
            GraphicsUtils.waitForImage( img );
        // Convert it to PNG format
        ByteArrayOutputStream bout = new ByteArrayOutputStream();
        try {
            Jimi.putImage( PNG_MIME, img, bout );
        catch( Exception e ){
            response.sendError( response.SC_BAD_REQUEST,
                                "Error converting image" );
            return;
        byte[] data = bout.toByteArray();
        // Send it out!
        response.setContentType( PNG_MIME );
        response.setContentLength( data.length );
        response.setStatus( response.SC_OK );
        OutputStream out = response.getOutputStream();
        out.write( data );
        out.close();
}MIDlet code: ImageClient.java
import java.io.*;
import javax.microedition.io.*;
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;
* A MIDP application that fetches and displays an arbitrary
* image from the Web using the ImageAdapter servlet.
* This class depends on HttpConnectionHelper, described
* in an earlier J2ME Tech Tip.
public class ImageClient extends MIDlet
                         implements CommandListener {
    // Adjust this URL appropriately for the adapter...
    private static String adapterURL =
     "http://localhost:8080/img/image";
    // A default image to display...
    private static String defaultURL =
     "http://localhost:8080/img/Availability.png";
//http://www.w3schools.com/images/ie.gif
    private Display display;
    private Command exitCommand = new Command( "Exit",
                                               Command.EXIT, 1 );
    private Command okCommand   = new Command( "OK", Command.OK, 1 );
    private Command sendCommand = new Command( "Get",
                                               Command.OK, 1 );
    private TextBox entryForm;
    private int     screenHeight;
    private int     screenWidth;
    private int     numColors;
    public ImageClient(){
    protected void destroyApp( boolean unconditional )
                       throws MIDletStateChangeException {
        exitMIDlet();
    protected void pauseApp(){
    protected void startApp()
                      throws MIDletStateChangeException {
        if( display == null ){ // first time called...
            initMIDlet();
    // First we display the dummy canvas so we can
    // get information about the display
    private void initMIDlet(){
        display = Display.getDisplay( this );
        entryForm = new EntryForm();
        display.setCurrent( new DummyCanvas() );
    public void exitMIDlet(){
        notifyDestroyed();
    public void commandAction( Command c, Displayable d ){
        if( c == sendCommand ){
            StatusForm f =
                new StatusForm( entryForm.getString() );
            display.setCurrent( f );
            f.start();
        } else if( c == okCommand ){
            display.setCurrent( entryForm );
        } else {
            exitMIDlet();
    // A dummy canvas to get the size of the screen
    class DummyCanvas extends Canvas {
        protected void paint( Graphics g ){
            screenHeight = getHeight();
            screenWidth = getWidth();
            numColors    = display.numColors();
            // Go directly to the main screen
            display.setCurrent( entryForm );
    // The text entry form...
    class EntryForm extends TextBox {
        EntryForm(){
            super( "Enter a URL", defaultURL, 80, 0 );
            addCommand( exitCommand );
            addCommand( sendCommand );
            setCommandListener( ImageClient.this );
    // Show the image...
    class ShowImage extends Canvas {
        ShowImage( byte[] imageData ){
            image = Image.createImage( imageData, 0,
                                       imageData.length );
            display.setCurrent( this );
            addCommand( okCommand );
            setCommandListener( ImageClient.this );
        protected void paint( Graphics g ){
            g.drawImage( image, 0, 0,
                         g.TOP | g.LEFT );
        private Image image;
    // A status for for displaying messages as the data is sent...
    class StatusForm extends Form
                 implements Runnable,
                            HttpConnectionHelper.Callback {
        StatusForm( String url ){
            super( "Status" );
            try {
                ByteArrayOutputStream bout =
                            new ByteArrayOutputStream();
                DataOutputStream      dout =
                            new DataOutputStream( bout );
                // Write info about the image and the
                // display settings for this device
                dout.writeUTF( "url" );
                dout.writeUTF( url );
                writeInt( dout, "minwidth", screenWidth );
                writeInt( dout, "maxwidth", screenWidth );
                writeInt( dout, "minheight", screenHeight );
                writeInt( dout, "maxheight", screenHeight );
                writeInt( dout, "colors", numColors );
                writeInt( dout, "reduce", 1 );
                writeInt( dout, "dither", 1 );
                dout.writeUTF( "" );
                data = bout.toByteArray();
                dout.close();
            catch( IOException e ){
                // should handle this....
        void writeInt( DataOutputStream dout, String key,
                       int value ) throws IOException {
            dout.writeUTF( key );
            dout.writeUTF( Integer.toString( value ) );
        // Updates the display.
        void display( String text ){
            if( message == null ){
                message = new StringItem( null, text );
                append( message );
            } else {
                message.setText( text );
        // We're done.
        void done( String msg ){
            display( msg != null ? msg : "Done." );
            addCommand( okCommand );
            setCommandListener( ImageClient.this );
        // Callback for making the HTTP connection.
        public void prepareRequest( String originalURL,
                       HttpConnection conn ) throws IOException
            conn.setRequestMethod( HttpConnection.POST );
            conn.setRequestProperty( "User-Agent",
              "Profile/MIDP-2.0 Configuration/CLDC-1.1" );
            conn.setRequestProperty( "Content-Language",
              "en-US" );
            conn.setRequestProperty( "Accept", "image/png" );
            conn.setRequestProperty( "Connection", "close" );
            conn.setRequestProperty( "Content-Length",
              Integer.toString( data.length ) );
            OutputStream os = conn.openOutputStream();
            os.write( data );
            os.close();
        // Do the connection on a separate thread to keep the UI
        // responsive...
        public void run(){
            HttpConnection conn = null;
            display( "Obtaining HttpConnection object..." );
            try {
                conn =
                  HttpConnectionHelper.connect( adapterURL,
                                                this );
                display( "Connecting to the server..." );
                int rc = conn.getResponseCode();
                if( rc == HttpConnection.HTTP_OK ){
                    try {
                        DataInputStream din = new DataInputStream(
                                            conn.openInputStream() );
                        data = new byte[ (int) conn.getLength() ];
                        din.readFully( data );
                        din.close();
                    catch( IOException e ){
                    done( "Image received" );
                    new ShowImage( data );
                } else {
                    done( "Unexpected return code: " + rc );
                conn.close();
            catch( IOException e ){
                done( "Exception " + e +
                      " trying to connect." );
        // Starts the upload in the background...
        void start(){
            display( "Starting..." );
            Thread t = new Thread( this );
            try {
                t.start();
            catch( Exception e ){
                done( "Exception " + e +
                      " trying to start thread." );
        private StringItem message;
        private byte[]     data;
}Regards,
Ship.

I have the same problem and I don`t found info about this. How do you solved this problem.

HTTP 400 Bad Request Error

Application Express 3.1.1.00.09
We have some users who are experiencing what appears to be a browser problem in one of our APEX applications.
When clicking on any button that does an insert or update to the database some users get an HTTP-400 Bad Request error message. The database does not get updated and anything they click on after that shows that message. In most cases we have been able to restore the user’s browser to the default settings and the issue is resolved. However, we were not able to isolate which browser setting is causing the issue. We have seen the issue in IE 6, IE 7 and IE 8.
Here’s the error we see in the Apache server error log (minus the date time stamp and IP addresses):
mod_plsql: /pls/ax_tastest/wwv_flow.accept HTTP-400 Invalid name
Does anyone else have a solution for this? Know what's causing it?

HTTP 400 Bad Request Error from APEX 3.1.1.00.09.
We were able to determine that only PCs which had the Google toolbar installed were getting the HTTP 400 Bad Request Error from a particular page in one of our applications. Further testing revealed that turning off the ‘auto-fill’ feature of the Google toolbar would prevent the error from occurring and the application would behave normally. We were able to identify a specific item on the page that was the root cause. The item was using the type “Text area with HTML Editor” which has been deprecated. We changed the page item type to “HTML editor standard” and this has resolved the issue with or without the Google Toolbar and auto-fill feature enabled.
Summary:
•     Browser setting: Google toolbar enabled with auto-fill enabled.
Apex page item of type: ‘Text area with HTML Editor’.
When a user clicks on a button in the page, that executes a page process, it results in HTTP 400 error.
•     Browser setting: Google toolbar enabled with auto-fill disabled.
Apex page item of type: ‘Text area with HTML Editor’.
When a user clicks on a button in the page, everything goes through correctly and there is no error.
•     Browser setting: Google toolbar enabled with auto-fill disabled or enabled.
Apex page item of type: ‘HTML Editor Standard’.
When a user clicks on a button in the page, everything goes through correctly and there is no error.

Exchange 2013 + 2007 OWA coexistance not redirecting properly (HTTP 400)

Hello. I am using this document to funnel our new Exchange 2013 external traffic through an IIS ARR reverse proxy, much like we already do for MIcrosoft
Lync 2013 on this machine.
http://blogs.technet.com/b/exchange/archive/2013/08/02/part-2-reverse-proxy-for-exchange-server-2013-using-iis-arr.aspx
I followed this guide to a T. especially the part on the page 2 that I linked above about creating the legacy.domain.com server farm and URL rewrite rule. This
IIS ARR proxy seems to work fine for Outlook Anywhere, ActiveSync, OWA if the user's mailbox is on the Exchange 2013 server, but it does not work if an OWA user logs in with a mailbox on 2007.
When the user has a mailbox on 2007, after logging into OWA they get HTTP 400 error. The URL bar in the browser is changed to https://legacy.domain.com/owa/auth/owaauth.dll
The Exchange 2007 server IIS logs show this:
70.x.x.x, -, 11/1/2014, 9:45:48, W3SVC1, MAIL, 10.1.1.3, 0, 523, 132, 400, 0, POST, /owa/auth/owaauth.dll, -,
I can't figure out why this is happening. DNS is correct. legacy.domain.com points to the 2007 Exchange server. webm.domain.com points to the
Exchange 2013 server.
Any ideas?

Doing more testing, I almost think the Exchange 2007 server keeps redirecting. So the HTTP 400 is because when you hit legacy.domain.com, it redirects
to webm.domain.com which redirects back to legacy.domain.com and vice versa.
I put a test.txt file in the Exchange 2007 owa virtual directory and I cannot access it in any browser. I tried https://legacy.domain.com/owa/test.txt and
It redirects me to https://webm.domain.com(Exchange 2013). I can however go
one level (or more) deep on the legacy server and get a file such as https://legacy.doamin.com/owa/8.3.342.1/themes/base/logon.css and
in the browser I see the code (both externally AND internally, so I know DNS and firewall is working).
I can't find anywhere on IIS 6.0 on the Exchange 2007 server where any kind of redirection is taking place though. Virtual Directory properies for owa say
"A directory located on this computer: "C:\Program Files\Microsoft\Exchange Server\ClientAccess\owa" Enable default content page is checked with default.aspx but I looked at default.aspx in notepad and I don't see ANY code telling it to
redirect.
In Exchange 2007 management console OWA internal URL and External URL both sayhttps://legacy.domain.com/owa .
I have no idea what is causing this redirection. I did an iisreset and also recycled the OwaAppPool and no change.

HTTP-400 Too many arguments passed - Upper Limit is 4000

Hi,
I have encountered this problem with Apex 3.0.1 on Oracle 10g and unfortunately I am not able to increase the PlsqlMaxParameters value of 4000 due to business rules. With regards to this and workarounds, I have the following queries:
1) Can someone suggest possible workarounds for this problem - I am basically presenting the user with a checkbox response and sometimes this may involve over 400 records sometimes - alot I know but users would like to see everything on a single page - no pagination. This is calling the HTTP-400 error - any suggestions for workaround(s) or do I need to rewrite the page with pagination or something else?
2) Would using APEX_COLLECTIONS assist in breaking down on the number of parameters sent to mod_plsql?
3) Would increasing the PlsqlMaxParameters to say 10000 cause any performance issues?
Any other help on this would be much appreciated.
Thanks.
Tony.

Hi,
It is indeed a valid work around
http://iadvise.blogspot.com/2008/05/apex-http-400-too-many-arguments-passed.html
It can have some performance effect.
But test this for your situation.
Kind regards,
Iloon

HTTP 400

I have created an application which is supposed to connect to the identity provider app in weblogic, however, when connecting to a url for the app I get a http 400 error. How do I diagnose the error, I see nothing in the logs.

Hi,
I attempted to deploy the application using the war but this failed as shown below because it is already installed internally but not visible. The app is a weblogic app which is already up and running so I cannot process it. I get a http 400 error when I attempt to hit the apps url, the question is why, I cannot see why as the output from the app cannot be found
<09-Jan-2013 13:51:54 o'clock GMT> <Notice> <WebLogicServer> <BEA-000365> <Server state changed to RUNNING.>
<09-Jan-2013 13:51:54 o'clock GMT> <Notice> <WebLogicServer> <BEA-000360> <The server started in RUNNING mode.>
<09-Jan-2013 17:23:16 o'clock GMT> <Warning> <Munger> <BEA-2156203> <A version attribute was not found in element "web-app" in the deployment descriptor C:\Oracle\Middlew
are\user_projects\domains\base_domain\servers\AdminServer\tmp\.appmergegen_1357752196435_saml2.war/WEB-INF/web.xml. A version attribute is required, but this version of t
he WebLogic Server will assume that the latest version is used. Future versions of WebLogic Server will reject descriptors that do not specify the Java EE version. To eli
minate this warning, add an appropriate "version=" to element "web-app" in the deployment descriptor.>
<09-Jan-2013 17:23:49 o'clock GMT> <Warning> <Munger> <BEA-2156203> <A version attribute was not found in element "web-app" in the deployment descriptor C:\Oracle\Middlew
are\user_projects\domains\base_domain\servers\AdminServer\tmp\.internal\saml2.war/WEB-INF/web.xml. A version attribute is required, but this version of the WebLogic Serve
r will assume that the latest version is used. Future versions of WebLogic Server will reject descriptors that do not specify the Java EE version. To eliminate this warni
ng, add an appropriate "version=" to element "web-app" in the deployment descriptor.>
<09-Jan-2013 17:23:50 o'clock GMT> <Error> <Deployer> <BEA-149265> <Failure occurred in the execution of deployment request with ID "1357752229493" for task "0". Error is
: "weblogic.application.ModuleException: Context path '/saml2' is already in use by the module: saml2.war application: saml2"
weblogic.application.ModuleException: Context path '/saml2' is already in use by the module: saml2.war application: saml2
at weblogic.servlet.internal.WebAppModule.prepare(WebAppModule.java:732)
at weblogic.application.internal.flow.ScopedModuleDriver.prepare(ScopedModuleDriver.java:188)
at weblogic.application.internal.ExtensibleModuleWrapper.prepare(ExtensibleModuleWrapper.java:83)
at weblogic.application.internal.flow.ModuleListenerInvoker.prepare(ModuleListenerInvoker.java:100)
at weblogic.application.internal.flow.ModuleStateDriver$1.next(ModuleStateDriver.java:172)
Truncated. see log file for complete stacktrace
Caused By: weblogic.application.ModuleException: Context path '/saml2' is already in use by the module: saml2.war application: saml2
at weblogic.servlet.internal.WebAppModule.validateContextPath(WebAppModule.java:1392)
at weblogic.servlet.internal.WebAppModule.registerWebApp(WebAppModule.java:1238)
at weblogic.servlet.internal.WebAppModule.prepare(WebAppModule.java:723)
at weblogic.application.internal.flow.ScopedModuleDriver.prepare(ScopedModuleDriver.java:188)
at weblogic.application.internal.ExtensibleModuleWrapper.prepare(ExtensibleModuleWrapper.java:83)
Truncated. see log file for complete stacktrace
>
<09-Jan-2013 17:23:50 o'clock GMT> <Warning> <Deployer> <BEA-149004> <Failures were detected while initiating deploy task for application "saml2-1".>
<09-Jan-2013 17:23:50 o'clock GMT> <Warning> <Deployer> <BEA-149078> <Stack trace for message 149004
weblogic.application.ModuleException: Context path '/saml2' is already in use by the module: saml2.war application: saml2
at weblogic.servlet.internal.WebAppModule.prepare(WebAppModule.java:732)
at weblogic.application.internal.flow.ScopedModuleDriver.prepare(ScopedModuleDriver.java:188)
at weblogic.application.internal.ExtensibleModuleWrapper.prepare(ExtensibleModuleWrapper.java:83)
at weblogic.application.internal.flow.ModuleListenerInvoker.prepare(ModuleListenerInvoker.java:100)
at weblogic.application.internal.flow.ModuleStateDriver$1.next(ModuleStateDriver.java:172)
Truncated. see log file for complete stacktrace
Caused By: weblogic.application.ModuleException: Context path '/saml2' is already in use by the module: saml2.war application: saml2
at weblogic.servlet.internal.WebAppModule.validateContextPath(WebAppModule.java:1392)
at weblogic.servlet.internal.WebAppModule.registerWebApp(WebAppModule.java:1238)
at weblogic.servlet.internal.WebAppModule.prepare(WebAppModule.java:723)
at weblogic.application.internal.flow.ScopedModuleDriver.prepare(ScopedModuleDriver.java:188)
at weblogic.application.internal.ExtensibleModuleWrapper.prepare(ExtensibleModuleWrapper.java:83)
Truncated. see log file for complete stacktrace
>
<09-Jan-2013 17:23:50 o'clock GMT> <Error> <Console> <BEA-240003> <Administration Console encountered the following error: weblogic.application.ModuleException: Context p
ath '/saml2' is already in use by the module: saml2.war application: saml2
at weblogic.servlet.internal.WebAppModule.prepare(WebAppModule.java:732)
at weblogic.application.internal.flow.ScopedModuleDriver.prepare(ScopedModuleDriver.java:188)
at weblogic.application.internal.ExtensibleModuleWrapper.prepare(ExtensibleModuleWrapper.java:83)
at weblogic.application.internal.flow.ModuleListenerInvoker.prepare(ModuleListenerInvoker.java:100)
at weblogic.application.internal.flow.ModuleStateDriver$1.next(ModuleStateDriver.java:172)
at weblogic.application.internal.flow.ModuleStateDriver$1.next(ModuleStateDriver.java:167)
at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:35)
at weblogic.application.internal.flow.ModuleStateDriver.prepare(ModuleStateDriver.java:38)
at weblogic.application.internal.flow.DeploymentCallbackFlow.prepare(DeploymentCallbackFlow.java:139)
at weblogic.application.internal.flow.DeploymentCallbackFlow.prepare(DeploymentCallbackFlow.java:55)
at weblogic.application.internal.BaseDeployment$1.next(BaseDeployment.java:706)
at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:35)
at weblogic.application.internal.BaseDeployment.prepare(BaseDeployment.java:237)
at weblogic.application.internal.SingleModuleDeployment.prepare(SingleModuleDeployment.java:48)
at weblogic.application.internal.DeploymentStateChecker.prepare(DeploymentStateChecker.java:158)
at weblogic.deploy.internal.targetserver.AppContainerInvoker.prepare(AppContainerInvoker.java:60)
at weblogic.deploy.internal.targetserver.operations.ActivateOperation.createAndPrepareContainer(ActivateOperation.java:207)
at weblogic.deploy.internal.targetserver.operations.ActivateOperation.doPrepare(ActivateOperation.java:96)
at weblogic.deploy.internal.targetserver.operations.AbstractOperation.prepare(AbstractOperation.java:229)
at weblogic.deploy.internal.targetserver.DeploymentManager.handleDeploymentPrepare(DeploymentManager.java:747)
at weblogic.deploy.internal.targetserver.DeploymentManager.prepareDeploymentList(DeploymentManager.java:1216)
at weblogic.deploy.internal.targetserver.DeploymentManager.handlePrepare(DeploymentManager.java:250)
at weblogic.deploy.internal.targetserver.DeploymentServiceDispatcher.prepare(DeploymentServiceDispatcher.java:159)
at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.doPrepareCallback(DeploymentReceiverCallbackDeliverer.java:171)
at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.access$000(DeploymentReceiverCallbackDeliverer.java:13)
at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer$1.run(DeploymentReceiverCallbackDeliverer.java:46)
at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:545)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)
Caused by: weblogic.application.ModuleException: Context path '/saml2' is already in use by the module: saml2.war application: saml2
at weblogic.servlet.internal.WebAppModule.validateContextPath(WebAppModule.java:1392)
at weblogic.servlet.internal.WebAppModule.registerWebApp(WebAppModule.java:1238)
at weblogic.servlet.internal.WebAppModule.prepare(WebAppModule.java:723)
>
<09-Jan-2013 17:23:50 o'clock GMT> <Warning> <netuix> <BEA-423420> <Redirect is executed in begin or refresh action. Redirect url is /console/console.portal?_nfpb=true&_p
ageLabel=WebAppApplicationOverviewPage&WebAppApplicationOverviewPortlethandle=com.bea.console.handles.AppDeploymentHandle%28%22com.bea%3AName%3Dsaml2-1%2CType%3DAppDeploy
ment%22%29.>

HTTP 400 Error during logoff

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