Why do I get a ZipException when trying to run DrJava?
If you get the following error message when running DrJava for the first time, your copy of DrJava is likely corrupted. Try downloading DrJava again, perhaps using the “more download options” link on our home page. Exception in thread “main” java.util.zip.ZipException: error in opening zip file at java.util.zip.ZipFile.open(Native Method) at java.util.zip.ZipFile.(ZipFile.java:112) at java.util.jar.JarFile.(JarFile.java:117) at java.util.jar.JarFile.(JarFile.