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From "Stefano Bagnara (JIRA)" <server-...@james.apache.org>
Subject [jira] Created: (JAMES-387) Exception in BayesianAnalysis
Date Wed, 03 Aug 2005 08:02:48 GMT
Exception in BayesianAnalysis
-----------------------------

         Key: JAMES-387
         URL: http://issues.apache.org/jira/browse/JAMES-387
     Project: James
        Type: Bug
  Components: Matchers/Mailets (bundled)  
    Versions: 3.0    
 Environment: James from svn-trunk 2005-08-01.
MySQL 4.0
    Reporter: Stefano Bagnara
    Priority: Minor


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 |


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