# 3DDART failing even with the pre-loaded example

**URL:** <https://ask.bioexcel.eu/t/3ddart-failing-even-with-the-pre-loaded-example/1063>\
**Category:** Uncategorized\
**Created:** [July 15, 2018, 12:56pm UTC](https://ask.bioexcel.eu/t/3ddart-failing-even-with-the-pre-loaded-example/1063 "2018-07-15T12:56:02Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![scinikhil](https://dub1.discourse-cdn.com/flex013/user_avatar/ask.bioexcel.eu/scinikhil/32/66_2.png) [@scinikhil](https://ask.bioexcel.eu/u/scinikhil)\
**Post date:** [July 15, 2018, 12:56pm UTC](https://ask.bioexcel.eu/t/3ddart-failing-even-with-the-pre-loaded-example/1063/1 "2018-07-15T12:56:02Z")

</div>

Hi to all,

I wanted to model the ssDNA using the 3DDART server but it was failing, i even tried with the example they gave-still the error.

Anyone can help here.?

---

<div class="post-metadata">

**Author:** ![amjjbonvin](https://dub1.discourse-cdn.com/flex013/user_avatar/ask.bioexcel.eu/amjjbonvin/32/23_2.png) [@amjjbonvin](https://ask.bioexcel.eu/u/amjjbonvin)\
**Post date:** [July 15, 2018, 3:21pm UTC](https://ask.bioexcel.eu/t/3ddart-failing-even-with-the-pre-loaded-example/1063/2 "2018-07-15T15:21:01Z")

</div>

Did you try simply double stranded DNA?

And without info about the error message we can’t help you…

---

<div class="post-metadata">

**Author:** ![scinikhil](https://dub1.discourse-cdn.com/flex013/user_avatar/ask.bioexcel.eu/scinikhil/32/66_2.png) [@scinikhil](https://ask.bioexcel.eu/u/scinikhil)\
**Post date:** [July 16, 2018, 7:41am UTC](https://ask.bioexcel.eu/t/3ddart-failing-even-with-the-pre-loaded-example/1063/3 "2018-07-16T07:41:06Z")

</div>

Hi,

i have given the preloaded input given in their website as an example:  
[http://milou.science.uu.nl/services/3DDART/Example2.html](http://milou.science.uu.nl/services/3DDART/Example2.html)

here is the output screen

A problem occurred in a Python script. Here is the sequence of function calls leading up to the error, in the order they occurred.

214 #print “Content-Type: text/html\n”  
215 custom = DartCustomBuild()  
=\> 216 server = WebServer(DARTDIR,remote\_env=custom.createEnv()) # Send form to webserver  
217 filepath = server.RunDART(custom.python\_dict) # Run DART from in webserver mode  
218 custom.dartDownload(filepath) # Collect download path and present to user  
server undefined, WebServer = , DARTDIR = ‘/home/enmr/services-enmr/3DDART/server’, remote\_env undefined, custom = \< **main**.DartCustomBuild object\>, custom.createEnv = \<bound method DartCustomBuild.createEnv of \< **main**.DartCustomBuild object\>\>

goes on

---

<div class="post-metadata">

**Author:** ![amjjbonvin](https://dub1.discourse-cdn.com/flex013/user_avatar/ask.bioexcel.eu/amjjbonvin/32/23_2.png) [@amjjbonvin](https://ask.bioexcel.eu/u/amjjbonvin)\
**Post date:** [July 16, 2018, 10:56am UTC](https://ask.bioexcel.eu/t/3ddart-failing-even-with-the-pre-loaded-example/1063/4 "2018-07-16T10:56:17Z")

</div>

The problem should have been solved. Please try again.