[JAMES-387] Exception in BayesianAnalysis

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 2.3.0
• Component/s: Matchers/Mailets (bundled)
• Environment: James from svn-trunk 2005-08-01.; MySQL 4.0
• Assignee: Vincenzo Gianferrari Pini
• Reporter: Stefano Bagnara
• Created: 03/Aug/05 16:54
• Updated: 21/Nov/07 08:31
• Resolved: 12/Dec/05 23:35

Description

Got this exception for every incoming mail:

02/08/05 00:39:25 INFO James.Mailet: BayesianAnalysis: Exception: java.lang.Integer
java.lang.ClassCastException: java.lang.Integer
at org.apache.james.util.BayesianAnalyzer.getTokenProbabilityStrengths(BayesianAnalyzer.java:591)
at org.apache.james.util.BayesianAnalyzer.computeSpamProbability(BayesianAnalyzer.java:340)
at org.apache.james.transport.mailets.BayesianAnalysis.service(BayesianAnalysis.java:289)
at org.apache.james.transport.LinearProcessor.service(LinearProcessor.java:407)
at org.apache.james.transport.JamesSpoolManager.process(JamesSpoolManager.java:460)
at org.apache.james.transport.JamesSpoolManager.run(JamesSpoolManager.java:369)
at java.lang.Thread.run(Unknown Source)

If I clean my spam/ham db the exceptions disappears but they start again when the spam/ham db become large.
My bayesiananalysis_spam contains 200000 rows.

The following are the spam tokens with higher "occurrences".
--------------------------------------+

token

occurrences

--------------------------------------+

3D	82151
a	59953
the	45295
FONT	42771
Content-Type	39058
to	36626
com	32902
http	32886
of	32504
font	31803
and	31577
Content-Transfer-Encoding	31576
p	29746
text	29482
in	29418
it	28498
br	28037
DIV	27431