When using hudson build 1.153 with the latest findbugs and emma plug-ins, I get
the following exceptions and the charts are not rendered:

[webapp 2007/11/12 10:07:32] - Error while serving
http://localhost:11000/job/joap-continuous/findbugs/trendMap
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:103)
at org.kohsuke.stapler.Function.bindAndinvoke(Function.java:59)
at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:63)
at
org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:294)
at org.kohsuke.stapler.MetaClass$15.dispatch(MetaClass.java:361)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:294)
at org.kohsuke.stapler.MetaClass$9.doDispatch(MetaClass.java:240)
at
org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:294)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:231)
at org.kohsuke.stapler.Stapler.service(Stapler.java:79)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:45)
at winstone.ServletConfiguration.execute(ServletConfiguration.java:249)
at winstone.RequestDispatcher.forward(RequestDispatcher.java:335)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:378)
at
hudson.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:79)
at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)
at winstone.RequestDispatcher.forward(RequestDispatcher.java:333)
at
winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:244)
at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.LinkageError: hudson/util/ColorPalette
at
hudson.plugins.findbugs.util.ChartBuilder.createChart(ChartBuilder.java:66)
at
hudson.plugins.findbugs.util.HealthReportBuilder.createGraph(HealthReportBuilder.java:312)
at
hudson.plugins.findbugs.FindBugsResultAction.createChart(FindBugsResultAction.java:145)
at
hudson.plugins.findbugs.util.AbstractResultAction.doGraphMap(AbstractResultAction.java:121)
at
hudson.plugins.findbugs.util.AbstractProjectAction.doTrendMap(AbstractProjectAction.java:185)
... 27 more