'Download URL did not contain all required args'

[sethgregory]

Running into an interesting problem here; suddenly, whenever I click on a file to download/view, I get this error.  Anybody seen it before?

11:23:05,536 ERROR [[localhost].[/].[downloadContent]] Servlet.service() for servlet downloadContent threw exception
java.lang.IllegalArgumentException: Download URL did not contain all required args: /download/direct/workspace/SpacesStore/f5260991-cfb2-11da-a03e-e367d5045061/Alfresco Pilot (Working Copy).doc
        at org.alfresco.web.app.servlet.DownloadContentServlet.doGet(DownloadContentServlet.java:120)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:199)
        at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:282)
        at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:754)
        at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:684)
        at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:876)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
        at java.lang.Thread.run(Unknown Source)
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[sethgregory]

FYI, this has been fixed.   Alfresco 1.2 does not like it when you change the context of the application.  I had remapped Alfresco to run in the root context, and this broke the file download.  Mapping it back to /alfresco fixed it.

[kevinr]

You are correct. There is an aggressive check on the number of expected URL elements in the various Alfresco servlets. We will fix it to check for the use of "/" as the root web context.

I have raised a JIRA task for this:
http://www.alfresco.org/jira/browse/AWC-633

Thanks,

Kevin