PCollManager exception how to solve ?

Hi,
I have the following exception in inserting a record via BC4J framework..
java.lang.NullPointerException
     at oracle.jbo.pcoll.PCollManager.register(PCollManager.java:476)
     at oracle.jbo.pcoll.PCollection.<init>(PCollection.java:94)
     at oracle.jbo.pcoll.PCollManager.createCollection(PCollManager.java:387)
     at oracle.jbo.pcoll.PCollManager.createCollection(PCollManager.java:394)
     at oracle.jbo.server.QueryCollection.initQC(QueryCollection.java:136)
     at oracle.jbo.server.QueryCollection.<init>(QueryCollection.java:100)
     at oracle.jbo.server.ViewRowSetImpl.initQueryCollection(ViewRowSetImpl.java:389)
     at oracle.jbo.server.ViewRowSetImpl.execute(ViewRowSetImpl.java:514)
     at oracle.jbo.server.ViewRowSetImpl.executeQuery(ViewRowSetImpl.java:562)
     at oracle.jbo.server.ViewObjectImpl.executeQuery(ViewObjectImpl.java:2564)
     at com.aat.server.JobHandler.insert(JobHandler.java:446)
     at com.aat.PudisJobController.PJob.saveJobToDB(PJob.java:498)
     at com.aat.PudisJobController.PJob.updateJob(PJob.java:533)
     at com.aat.PudisJobController.PTaskWaiter.run(PTaskWaiter.java:57)
thanx
Kovi

hi there,
I could solve my problem.
It was due to the static access of the object where I use the viewobject ,that I got the above exception..
ciao
Kovi

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<TR>
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<TD><INPUT TYPE="FILE" NAME="srcfile" style="width:400px"/></TD>
</TR>
<TR><TD><INPUT TYPE="SUBMIT" VALUE="Send"/></TD></TR>
</FORM>
HERE IS mbbfile which is a servlet :
package mbb.servlet;
import java.io.IOException;
import java.sql.Connection;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.oreilly.servlet.MultipartRequest;
import org.jconfig.Configuration;
import org.jconfig.ConfigurationManager;
public class MBBFileServlet extends HttpServlet{
     private static final Configuration conf = ConfigurationManager.getConfiguration("ConfigFile");
     public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException
          String filePath = conf.getProperty("FilePath", "", "test");
          try{
          MultipartRequest multi = new MultipartRequest(req,filePath,5*1024*1024);
          }catch(Exception e){
               System.out.println("MBBFileServlet Exception ---> "+e.getMessage());
     public void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException
          doGet(req,res);
Sometimes it works meaning the file is uploaded in the directory without any exception, sometimes the file is uploaded but with exception on the log saying "MBBFileServlet Exception ---> Corrupt form data: Premature Ending". and sometimes the files is not uploaded at all and when i check the error is : "MBBFileServlet Exception ---> Corrupt form data: Premature Ending". Can anyone please help me on this matter. Thx!
Your response would be deeply appreciated.
br,
TAC

Hi all!
Since I've spent some days now trying to figure out what was wrong with my file upload in Struts 1.1, I would like to share my solution with the rest of you in order to spare you for the same amout of wasted time I've spent :-)
My platform is Resin 3.0.8 and Struts 1.1. My problem was that JPEG's got corrupted when arriviving at the server. After a few days searching on the net, I tried with a plain servlet and the O'Reilly package, and the app worked perfect.
Here is my servlet:
package no.yourcompany.yourapp.servlet;
import com.oreilly.servlet.multipart.MultipartParser;
import com.oreilly.servlet.multipart.Part;
import com.oreilly.servlet.multipart.FilePart;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.ServletException;
import javax.servlet.ServletContext;
import javax.servlet.RequestDispatcher;
import java.io.IOException;
import java.io.ByteArrayOutputStream;
public class ImageUpload extends HttpServlet {
private static final String PAGE_RECEIPT = "/popImageUploadReceipt.do";
private static final int MAX_FILE_SIZE_IN_BYTES = 10000000; // 10 M
* Extracts image from request and puts it into person form.
* @see HttpServlet#doPost(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
// custom beans from my project, not defined here
PersonRegistrationForm personRegistrationForm = null;
PortraitImage portraitImage = null;
ByteArrayOutputStream outputStream = null;
Part currentPart = null;
FilePart currFilePart = null;
personRegistrationForm = (PersonRegistrationForm) request.getSession().getAttribute(DsnSessionKeyConstantsIF.KEY_PERSON_FORM);
portraitImage = personRegistrationForm.getPortraitImage();
try {
MultipartParser parser = new MultipartParser(request, MAX_FILE_SIZE_IN_BYTES);
while ((currentPart = parser.readNextPart()) != null) {
if (currentPart.isFile()) {
currFilePart = (FilePart) currentPart;
outputStream = new ByteArrayOutputStream();
currFilePart.writeTo(outputStream);
// portraitImage is just a bean for encapsulating image data, not defined in this posting
portraitImage.setContentType(currFilePart.getContentType());
portraitImage.setImageAsByteArray(outputStream.toByteArray());
portraitImage.setOriginalFileName(currFilePart.getFileName());
break;
} // if (currentPart.isFile())
} // while ((currentPart = parser.readNextPart()) != null)
} catch (IOException ioe) {
// noop
// redirect to receipt page
ServletContext servletContext = this.getServletContext();
RequestDispatcher requestDispatcher = servletContext.getRequestDispatcher(PAGE_RECEIPT);
requestDispatcher.forward(request, response);
} // doPost
} // ImageUpload
AND ADD THIS TO YOUR WEB.XML
<servlet>
<servlet-name>ImageUpload</servlet-name>
<servlet-class>no.yourcompany.yourapp.servlet.ImageUpload</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>ImageUpload</servlet-name>
<url-pattern>imageUpload.do</url-pattern>
</servlet-mapping>
AND THE HTML-FORM IS HERE
<form action="/yourapp/imageUpload.do" method="post" enctype="multipart/form-data" accept="image/*">
<p>
<input type="file" name="portraitImage" />
</p>
<p>
<input type="image" src="/dsn/img/btn_last_bilde.gif" border="0">
</p>
</form>

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Hello. I am using Oracle Database 11gR1. The Database Control Console https://localhost.localdomain:1158/em works correctly. I can create a Database and a table successfully.
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In order to run SQL statements. we need to use Oracle SQL Developer. I connect Oracle SQL Developer in the following way:
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user8860348 wrote:
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Hello. I am using Oracle Database 11gR1. The Database Control Console https://localhost.localdomain:1158/em works correctly. I can create a Database and a table successfully.
My OS is Linux and connects to internet successfully.
In order to run SQL statements. we need to use Oracle SQL Developer. I connect Oracle SQL Developer in the following way:
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Password: SYS (this the password used to login to the Console)
Connection Type: Basic
Host Name: localhost
Port: 1158
SID: DB1 (this is created during installing the Database)
But the error message comes up: "Status: Failure - IO exception Connection Reset."
Can any folk tell me how to solve Oracle SQL Developer connection problem ?username: sys
password: enter_your_correct_password given at the time of oracle installation
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