That's an error attempting to load a contributed tool (if you didn't already figure that much out...). Try removing any tools that you think are causing problems from the tools folder. Assuming that you are upgrading from an older version of Processing...
Java path is important in exported applications since they rely on the installed Java (in 2.1, they allow to include it to avoid this), but it is not relevant (I think) to run the PDE, because it has its own Java bundled with it.
Answers
That's an error attempting to load a contributed tool (if you didn't already figure that much out...). Try removing any tools that you think are causing problems from the tools folder. Assuming that you are upgrading from an older version of Processing...
I get such problem too. a processing face flashes and then dispoints.
another reason were you were not config your java sdk path correctly.
Java path is important in exported applications since they rely on the installed Java (in 2.1, they allow to include it to avoid this), but it is not relevant (I think) to run the PDE, because it has its own Java bundled with it.
you are right, but if he would config a wrong path, could the ide runs?