FileUpload help! NoClassDefFoundError org.apache.commons.fileupload.disk.DiskFileItem

[DeliveryNinja]

I've recently been building some blogging software just to brush up on
my skills and I wanted to add file upload to new posts.

I created a servlet which will get the post request from the file
upload box.

What happens then is I get the following stack trace

java.lang.NoClassDefFoundError: Could not initialize class
org.apache.commons.fileupload.disk.DiskFileItem
at
org.apache.commons.fileupload.disk.DiskFileItemFactory.createItem(DiskFileItemFactory.java:
196)
at
org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:
358)
at
org.apache.commons.fileupload.servlet.ServletFileUpload.parseRequest(ServletFileUpload.java:
126)
at blogger.server.FileUpload.getFileItem(FileUpload.java:77)

I have not edited any xml files and I'm using commons-
fileupload-1.2.1.jar and commons-io-1.4.jar but i'm only using them in
a class called FileUpload in the server package of my GWT application.

[Sripathi Krishnan]

Do you have Google App Engine enabled? If so, please disable it in your
project preferences. GAE does not allow you to write to the disk or open
socket connections.


--Sri

Post by DeliveryNinja
I've recently been building some blogging software just to brush up on
my skills and I wanted to add file upload to new posts.
I created a servlet which will get the post request from the file
upload box.
What happens then is I get the following stack trace
java.lang.NoClassDefFoundError: Could not initialize class
org.apache.commons.fileupload.disk.DiskFileItem
at
196)
at
358)
at
126)
at blogger.server.FileUpload.getFileItem(FileUpload.java:77)
I have not edited any xml files and I'm using commons-
fileupload-1.2.1.jar and commons-io-1.4.jar but i'm only using them in
a class called FileUpload in the server package of my GWT application.
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[Manuel Carrasco Moñino]

The message is clear, you don't have commons-fileupload-1.2.jar in
your classpath.

-Manolo

Post by DeliveryNinja
I've recently been building some blogging software just to brush up on
my skills and I wanted to add file upload to new posts.
I created a servlet which will get the post request from the file
upload box.
What happens then is I get the following stack trace
java.lang.NoClassDefFoundError: Could not initialize class
org.apache.commons.fileupload.disk.DiskFileItem
       at
196)
       at
358)
       at
126)
       at blogger.server.FileUpload.getFileItem(FileUpload.java:77)
I have not edited any xml files and I'm using commons-
fileupload-1.2.1.jar and commons-io-1.4.jar but i'm only using them in
a class called FileUpload in the server package of my GWT application.
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For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.