# Upload File
In a process flow, users may need to upload **external files** such as:
* **JAR files** for the **Java Task**
* **WSDL / XSD files** for the **Web Service Task**
Instead of uploading these files directly inside individual nodes, ONEWEB provides a centralized **Upload Files** facility at the **application level**.\
This approach allows files to be reused across multiple nodes and makes maintenance significantly easier.
***
### Purpose of Upload File
The **Upload File** feature is designed to:
* Centralize management of external resources
* Allow reuse of files across multiple process nodes
* Simplify file updates without modifying node configurations
* Reduce risk of breaking process logic during updates
Once uploaded, files can be **selected directly** from Java Tasks or Web Service Tasks as needed.
***
### Uploading Files to an Application
To upload files into an application:
1. Navigate to the **Upload Files** menu in Process Designer
2. Upload the required files (e.g. JAR, WSDL, XSD)
3. Files are stored at the application level and become available for selection
***
### Using Uploaded Files in Process Nodes
After files are uploaded, they can be selected directly within supported node configurations.
#### Java Task
* Uploaded JAR files appear in the **Jar Name** selection list
* Users can select the required JAR without re‑uploading it
* Makes it easier to update Java logic centrally
***
#### Web Service Task
* Uploaded WSDL or XSD files can be selected in the SOAP configuration
* Avoids repeated uploads for multiple Web Service nodes
* Simplifies service definition updates
***
### Benefits of Centralized File Upload
Using the **Upload Files** facility provides several advantages:
* Centralized resource management
* Reusability across multiple process nodes
* Easier file updates and version control
* Reduced process maintenance effort
* Lower risk of configuration errors
When a file is updated at the application level, nodes referencing that file automatically use the updated version.
***
### Usage Guidelines
* Upload files at the application level whenever reuse is expected
* Use meaningful file names for clarity
* Update files centrally instead of re‑configuring nodes
* Test processes after updating critical files (JAR/WSDL)
* Avoid uploading duplicate files unnecessarily
***
### Summary
The **Upload File** feature enables efficient and maintainable management of external resources in ONEWEB Process Designer.
Key points:
* Supports JAR, WSDL, XSD, and other external files
* Files are uploaded once per application
* Java Task and Web Service Task can reuse uploaded files
* Improves maintainability and reduces configuration overhead
Using centralized file upload ensures that processes remain **clean, reusable, and easy to maintain**, especially in complex enterprise workflows.
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