} catch (InvocationTargetException e) {
assertTrue(e.getTargetException() instanceof FileNotFoundException);
}
// missing specification
solrAuthzConf.unset(AuthzConfVars.AUTHZ_PROVIDER_RESOURCE.getVar());
try {
new SolrAuthzBinding(solrAuthzConf);
Assert.fail("Expected InvocationTargetException");
} catch (InvocationTargetException e) {
assertTrue(e.getTargetException() instanceof IllegalArgumentException);