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Old 06-07-2013, 12:50 PM   #1
rflrob
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Location: Berkeley, CA

Join Date: May 2010
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Default Null pointer exception in Java TreeView

Hi all,
I'm trying to K-means cluster some data using Cluster 3.0, then view it using Java TreeView (assorted links to software here http://bonsai.hgc.jp/~mdehoon/softwa...r/software.htm), but when I load the results of the clustering into TreeView, I get the following error:

Code:
loading /LabStuff/Data/Spring2013/25um_spacers_K_G20.cdt ... 
Finding Cdt Dimensions
Got null header, setting to empty string
error parsing File: LoadException 1: Error Parsing CDT: java.lang.NullPointerException
parse cannot succeed. please fix.
Any idea how to fix this? The cdt and kgg files are on dropbox at:
https://dl.dropboxusercontent.com/u/...norm_K_G20.cdt
and
https://dl.dropboxusercontent.com/u/...norm_K_G20.kgg

Thanks!

EDIT: Alternatively, if anyone has any clustering/heatmapping software that they're happy with for exploring data, I'm certainly open to switching

Last edited by rflrob; 06-07-2013 at 04:07 PM.
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Old 12-18-2014, 01:33 PM   #2
greenrussians
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Not sure if this is what happened in your case, but I had this problem today (which is how I found your post) - turns out that some of my arrays had the same id (that is, biological replicates had the same id). I created unique IDs for each array and it worked.
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