Rewrote the issue.

Change By: Daniel Beck (29/Jan/15 9:49 PM)
Summary: NPE when launching Add Windows command line (escaping %) for  JNLP slave  with blank in name in recent JRE  command
Issue Type: Bug Improvement
Description: Reproduction:
1. Have a slave with a blank in
If  the  name ("ASCET classic" in our case).
2. Try starting it by launching the
 JNLP  file on a recent Oracle JRE (JRE 7.u75 in my case)
-> NPE during launch,
 slave  not coming up.

Running the same JNLP from the
 command line  shows some additional error messages that leads to the root cause: It tries to access jenkinsUrl/computer/ASCET0Classic instead of jenkinsUrl/computer/ASCET  contains percent-escaped characters, such as % 20Classic (i.e. the blank is encoded wrongly).

Side notes:
1. Replacing the blank
20 for spaces  in the slave name  solves , it cannot be copied and pasted into  the  launch problems  Windows cmd as is .
2. The same slave name worked fine with earlier versions of
An additional line (Windows command line call) should be displayed if
 the  Oracle JRE7  URL contains % characters .
Priority: Major Trivial
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