Android java.lang.VerifyError?

java android gdata verifyerror
Isaac Waller picture Isaac Waller · Mar 21, 2009 · Viewed 91.6k times · Source

In my Android app, I always get VerifyErrors! And I cannot figure out why. Whenever I include a external JAR, I always get VerifyErrors when I try to launch my app (except for once, when I included Apache Log4j.)

I usually get around this by taking the source of the library and adding it to my project, but I am trying to put the GData client library.

I can get this in source, but it's dependencies (mail.jar, activation.jar, servlet-api.jar) I cannot, so I get verify errors. I would like to get to the root of this problem once and for all. I looked on the internet, but they all seem to talk about incomplete class files? which I do not know of.

Answer

Alex picture Alex · Feb 4, 2010

Look at LogCat and see what's causing the verifyerror. It's probably some method in a java.lang class that is not supported on the android SDK level you are using (for instance, String.isEmpty()).

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