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JRE 1.4 in Local Test Environment of WSAD 5.1.0

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I've seen posts about this issue, about a year ago.

Is there any way the Local Test Environment in WSAD can run jre 1.4?

The standalone Websphere app server 5.0 does, but there seems to be no way to make the local test environment do so. I have some external jars that are explcitily compiled for 1.4, which gives Unsupported Major Version exception when I drop them in the local server.

It creates a weird inconsistency because technically I test my local apps under 1.3, but they'll run 1.4 in a production WAS.

If not, is this issue fixed in the upcoming WSAD 5.1.2?
Would installing a stand alone WAS server on my machine be a workaround?

The local test environment is very powerful, because classes and servlets are automatically reloaded.

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Actually WSAD 5.1.1 includes a WAS 5.1 WTE which will run with JDK 1.4. There's no way at all to make WAS 5.0 run with JDK 1.4 -- don't even try it.

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