Thursday, May 24, 2012

[AppEngine] java.lang.RuntimeException: Unable to restore the previous TimeZone

Started getting the error on the dev server after upgrading to AppEngine 1.6.3 on Mac.

Turns out AppEngine is looking (via reflection) for a field that's missing from JDK 6.

You can either use a different JDK or add the following to the VM arguments from run configuration (which did the trick for me):

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