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UCF and JRE 1.4 running an applet

Hi,

We are trying to do the same as Webtop is doing: support JRE 1.4.2 with the content transfer (using UCF). As far as I have gone, we can install the UCF client libraries with the IInstallerContext and IInstallerService from the ucf-installer.jar (found in the DFS SDK 6.5 SP1). What's more, this installs the private JRE 1.5.0_06 on the client's machine which is truly needed, because the UcfConnection (in the ucf-connection.jar) class cannot be instantiated with 1.4 JRE as it is compiled with 1.5 compatibility (otherwise you can get java.lang.UnsupportedClassVersionError: com/emc/documentum/fs/rt/ucf/UcfException (Unsupported major.minor version 49.0)).

How can we "launch" the private JRE and how can we pass the control to a class which will be able to initialize the UcfConnection?

At the end, we would like to use this with DFS, but that's another story.

Please, give some advice... Thanks,

Mike

P.S: Are there any tutorial or JavaDocs on UCF api?