I’ve seen this kind of error before, it’s the rough equivalent to Java’s 
NullPointerException: calling a method on a variable that has value None.

For some reason, s doesn’t have a string value at the point when "s = 
s.replace('%20', ' ‘)” is executed.

Steve

On Aug 8, 2014, at 12:46 PM, Chris Hostetter <hoss...@apache.org> wrote:

> 
> Can someone who understands the python code in checkJavaDocs.py explain 
> what this error means?
> 
> I know tommaso added/fixed a javadoc include problem with LUCENE-5878, but 
> that seemed to be causing a differend (intelligable) javadoc-lint error in 
> other builds ... i'm not understanding what the real problem is from this 
> error....
> 
> 
> 
> : Date: Fri, 8 Aug 2014 16:18:44 +0000 (UTC)
> : From: Policeman Jenkins Server <jenk...@thetaphi.de>
> : Reply-To: dev@lucene.apache.org
> : To: tomm...@apache.org, tflo...@apache.org, markrmil...@apache.org,
> :     hoss...@apache.org, dev@lucene.apache.org
> : Subject: [JENKINS] Lucene-Solr-4.x-Windows (64bit/jdk1.8.0_11) - Build # 
> 4145
> :     - Failure!
> : 
> : Build: http://jenkins.thetaphi.de/job/Lucene-Solr-4.x-Windows/4145/
> : Java: 64bit/jdk1.8.0_11 -XX:-UseCompressedOops -XX:+UseG1GC
> : 
> : All tests passed
> : 
> : Build Log:
> : [...truncated 45039 lines...]
> : -documentation-lint:
> :      [echo] checking for broken html...
> :     [jtidy] Checking for broken html (such as invalid tags)...
> :    [delete] Deleting directory 
> C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\lucene\build\jtidy_tmp
> :      [echo] Checking for broken links...
> :      [exec] 
> :      [exec] Crawl/parse...
> :      [exec] 
> :      [exec] Verify...
> :      [echo] Checking for missing docs...
> :      [exec] Traceback (most recent call last):
> :      [exec]   File 
> "C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\dev-tools/scripts/checkJavaDocs.py",
>  line 371, in <module>
> :      [exec]     if checkPackageSummaries(sys.argv[1], level):
> :      [exec]   File 
> "C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\dev-tools/scripts/checkJavaDocs.py",
>  line 351, in checkPackageSummaries
> :      [exec]     if checkClassSummaries(fullPath):
> :      [exec]   File 
> "C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\dev-tools/scripts/checkJavaDocs.py",
>  line 215, in checkClassSummaries
> :      [exec]     missing.append((lastCaption, unEscapeURL(lastItem)))
> :      [exec]   File 
> "C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\dev-tools/scripts/checkJavaDocs.py",
>  line 303, in unEscapeURL
> :      [exec]     s = s.replace('%20', ' ')
> :      [exec] AttributeError: 'NoneType' object has no attribute 'replace'
> : 
> : BUILD FAILED
> : C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\build.xml:474: The 
> following error occurred while executing this line:
> : C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\build.xml:63: The 
> following error occurred while executing this line:
> : 
> C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\lucene\build.xml:212: 
> The following error occurred while executing this line:
> : 
> C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\lucene\build.xml:242: 
> The following error occurred while executing this line:
> : 
> C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\lucene\common-build.xml:2347:
>  exec returned: 1
> : 
> : Total time: 183 minutes 16 seconds
> : Build step 'Invoke Ant' marked build as failure
> : [description-setter] Description set: Java: 64bit/jdk1.8.0_11 
> -XX:-UseCompressedOops -XX:+UseG1GC
> : Archiving artifacts
> : Recording test results
> : Email was triggered for: Failure - Any
> : Sending email for trigger: Failure - Any
> : 
> : 
> : 
> 
> -Hoss
> 
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