Merge pull request #1554 from UV-CDAT/issue_1475_opendap_broken

adds a warning about removing .dodsrc file

Author: aashish24

Packages/cdms2/Lib/dataset.py

@@ -295,8 +295,11 @@ def openDataset(uri,mode='r',template=None,dods=1,dpath=None, hostObj=None):
             try:
                 file = CdmsFile(uri,mode)
                 return file
-            except:
-                raise CDMSError("Error in DODS open of: "+uri)
+            except Exception,err:
+                msg = "Error in DODS open of: "+uri
+                if os.path.exists(os.path.join(os.environ["HOME"],".dodsrc")):
+                  msg+="\nYou have a .dodsrc in your HOME directory, try to remove it"
+                raise CDMSError(msg)
         else:
             try:
                 datanode = loadURI(uri)