Upload-Szenario - WDRuntimeException Bad file descriptor

Hi All,
i'm using the Adobe Document Services on a NW04, ADS SP 19, NWDS 2.0.19 with IE 6.0.2900 SP2.
If i use the Upload-UI-Element to show a PDF i got the error:  Bad file descriptor !!
The PDF to upload is not corrupt, an i can open it with Acrobat Reader or the Tutorial (Download-Upload-Szenario) - Example.
I had a binary Value-Attribute mapped as Data-Element of the UploadUI-Element. Read the Context-Value-Attribute to the controller context element and the Interactive Form Element had the reference to the attribute as pdfsource. The same code as the tutorial.
What's wrong ?
I didn't find anything about the error !
Thanks for help.
Regards Jürgen
Exception(com.sap.tc.webdynpro.services.exceptions.WDRuntimeException: Bad file descriptor) during processing a Web Dynpro Application, Session with IDs: (J2EE7802600)ID1177271450DB10984010199363513659End,78651230d78a11db9c34000d608e44df,Id78651230d78a11db9c34000d608e44df6
[EXCEPTION]
com.sap.tc.webdynpro.services.exceptions.WDRuntimeException: Bad file descriptor
     at com.sap.tc.webdynpro.clientimpl.http.client.AbstractHttpClient.updateUpLoad(AbstractHttpClient.java:478)
     at com.sap.tc.webdynpro.progmodel.context.ModifiableBinaryType.parse(ModifiableBinaryType.java:95)
     at com.sap.tc.webdynpro.clientserver.data.DataContainer.doParse(DataContainer.java:1418)
     at com.sap.tc.webdynpro.clientserver.data.DataContainer.validatePendingUserInput(DataContainer.java:1328)
     at com.sap.tc.webdynpro.clientserver.data.DataContainer.validatePendingUserInput(DataContainer.java:672)
     at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.validate(ClientComponent.java:624)
     at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.validate(ClientApplication.java:741)
     at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.transportData(WebDynproMainTask.java:712)
     at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.execute(WebDynproMainTask.java:649)
     at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:59)
     at com.sap.tc.webdynpro.clientserver.cal.ClientManager.doProcessing(ClientManager.java:251)
     at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doWebDynproProcessing(DispatcherServlet.java:154)
     at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doContent(DispatcherServlet.java:116)
     at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doPost(DispatcherServlet.java:55)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:401)
     at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:266)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:387)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:365)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:944)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:266)
     at com.sap.engine.services.httpserver.server.Client.handle(Client.java:95)
     at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:160)
     at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)
     at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
     at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
     at java.security.AccessController.doPrivileged(Native Method)
     at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:100)
     at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:170)
Caused by: java.io.IOException: Bad file descriptor
     at java.io.FileInputStream.readBytes(Native Method)
     at java.io.FileInputStream.read(FileInputStream.java:177)
     at com.sap.tc.webdynpro.clientimpl.http.client.AbstractHttpClient.writeIn2Out(AbstractHttpClient.java:493)
     at com.sap.tc.webdynpro.clientimpl.http.client.AbstractHttpClient.updateUpLoad(AbstractHttpClient.java:435)
     ... 29 more

Two things I think helped to solve this
PROPAGATE_EXCEPTIONS = True
in config.py and I removed threading from my vassal ini file the ending uwsgi files looked like this:
/etc/uwsgi/emperor.ini:
[uwsgi]
emperor = /etc/uwsgi/vassals
master = true
plugins = python2
uid = http
gid = http
[/etc/uwsgi/vassals/test.ini:
[uwsgi]
chdir = /srv/http/test_dir/src
wsgi-file = run.py
callable = app
processes = 4
stats = 127.0.0.1:9191
max-requests = 5000
enable-threads = true
vacuum = true
thunder-lock = true
socket = /run/uwsgi/test-sock.sock
chmod-socket = 664
harakiri = 60
logto = /var/log/uwsgi/test.log
Not sure on the
PROPAGATE_EXCEPTIONS = True
but removing the threads option in test.ini and making sure there was a master option in emperor.ini seemed to have solved the issue of sql being tossed around to different treads, or at least it complaining about it and crashing the site out, either or.
Also don't use the uwsgi from this distribution, get it from pip, the distros are broken.

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    Hello !
    The following program is giving the above mentioned error. Can anyone help.
    God bless you.
    NADEEM
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    import java.io.* ;
    // import java.lang.Thread ;                                     No need !
    public class CopyingText {
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        t.dumpStack();
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      private int i , j ;
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       do {                                   // marker to the end of file giving 0.
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        if(i != -1) fb.write(i) ;
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       fa.close();
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    bob has no sister.Ah. Thanks for clarifying.
    Indeed he has known no other woman since he found the true love of the jav.Not even a little action on the side? I'm impressed.

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