Exception in thread "main" java.lang.ExceptionInInitializerError
   at java.lang.Class.initializeClass(libgcj.so.70)
   at java.lang.Class.initializeClass(libgcj.so.70)
Caused by: java.lang.IllegalArgumentException: URI "file:./gwt-dev-linux.jar" is not hierarchical
   at java.io.File.<init>(libgcj.so.70)
   at com.google.gwt.util.tools.Utility.computeInstallationPath(Utility.java:287)
   at com.google.gwt.util.tools.Utility.getInstallPath(Utility.java:223)
   at com.google.gwt.util.tools.ToolBase.<clinit>(ToolBase.java:55)
   at java.lang.Class.initializeClass(libgcj.so.70)
   ...1 more