Which jars are used by which modules?

avalon-framework-4.1.4 (org.apache.avalon.framework)
- LogKit (used by HttpClient ?)
- Configuration (ResultCollector, SaveService, SampleResult, TestElementSaver)

batik-awt-util (org.apache.batik.ext)
- SaveGraphicsService

commons-codec-1.3
- used by commons-httpclient-3.0
- also HtmlParserTester for Base64

commons-collections
- ListenerNotifier
- Anakia

commons-httpclient-3.0
- httpclient

commons-logging
- httpclient

excalibur-datasource-1.1.1 (org.apache.avalon.excalibur.datasource)
- jdbc - DataSourceElement
- JDBCSampler

excalibur-instrument-1.0 (org.apache.excalibur.instrument)
- used by excalibur-datasource

excalibur-logger-1.1 (org.apache.avalon.excalibur.logger)
- httpclient?
- LoggingManager

excalibur-pool-1.2 (org.apache.avalon.excalibur.pool)
- used by excalibur-datasource

(htmlparser)
- http: parsing html

jakarta-oro
- regular expressions: various

jCharts-0.7.5 (org.jCharts)
- AxisGraph,LineGraph,LineChart

jdom-1.0
- XMLAssertion, JMeterTest ONLY

jdom-b9
- Anakia

(jorphan)

js (Rhino) appears to be version 1.5R4 see http://www.mozilla.org/rhino/download.html
- javascript function

junit
- unit tests

logkit-1.2
- logging
- Anakia

soap (appears to be version 2.3.1)
- WebServiceSampler ONLY

Tidy
- http: various modules for parsing html
- org.xml.sax - various
- XPathUtil (XPath assertion)

velocity-1.4
- Anakia (create documentation) Not used by JMeter runtime

xalan
+org.apache.xalan|xml|xpath

xercesimpl
+org.apache.html.dom|org.apache.wml|org.apache.xerces|org.apache.xml.serialize
+org.w3c.dom.html|ls

xml-apis
+javax.xml
+org.w3c.dom
+org.xml.sax

The x* jars above are used for XML handling (probably not needed for JDK1.4)

xml-batik
- org.apache.batik.ext.awt.image.codec|org.apache.batik.ext.awt.image.codec.tiff

xpp3_min-1.1.3.4.I
- xstream

xstream-1.1.2
- SaveService