RE: DWR 3.0 RC1 and WAS

You need to use the java 1.4 version built using retroweaver, you can get it here:

https://dwr.dev.java.net/servlets/ProjectDocumentList?folderID=10313&expandFolder=10313&folderID=0

David,

We should probably put an additional link for the 1.4 version on the download page.

Randy

DWR 3.0 RC1 / WebSphere (WAS) 6.0.2.31 / Java 1.4.2

I had been using DWR 2.0.5 previously with success. I am now attempting to use the latest DWR release for its support of handling file uploads. I have up to six files for upload along with other form fields. I wanted to validate file size on the server before doing an entire form post. I don't believe file size can be validated other than on the server due to the nature security in the browser and with JavaScript. I am not able to get the latest DWR release to work at all. Any suggestions?


I removed AnnotationsConfigurator.class from the jar as done in the previous version, and get the following during server startup:

[4/27/09 12:09:41:391 MDT] 0000004f DefaultNamesp W org.springframework.beans.factory.xml.DefaultNamespaceHandlerResolver initHandlerMappings Ignoring namespace handler [org.directwebremoting.spring.DwrAnnotationNamespaceHandler]: problem with handler class file or dependent class
                                 java.lang.LinkageError: LinkageError while defining class: org.directwebremoting.spring.DwrAnnotationNamespaceHandler
Could not be defined due to: org/directwebremoting/spring/DwrAnnotationNamespaceHandler (Unsupported major.minor version 49.0)
This is often caused by having a class defined at multiple
locations within the classloader hierarchy.  Other potential causes
include compiling against an older or newer version of the class
that has an incompatible method signature.
Dumping the current context classloader hierarchy: ...

Additionally, I removed DwrAnnotationNamespaceHandler.class (and its two inner classes) from the jar, and get this when running the web app:

[4/27/09 11:56:15:896 MDT] 0000005e WebApp        E   SRVE0026E: [Servlet Error]-[dwr-invoker]: java.lang.Exception: java.lang.LinkageError: LinkageError while defining class: org.directwebremoting.servlet.DwrServlet
Could not be defined due to: org/directwebremoting/servlet/DwrServlet (Unsupported major.minor version 49.0)
This is often caused by having a class defined at multiple
locations within the classloader hierarchy.  Other potential causes
include compiling against an older or newer version of the class
that has an incompatible method signature.
Dumping the current context classloader hierarchy: ...

Thank you.

Zach

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