findbugs 1.3
http://bravo:8080/hudson/static/e1efa121/plugin/findbugs/icons/findbugs-48x48.gif
On build view there is missing icon

Also then you click on Findbigs trens image on project level there is exception:

hudson/job/CERTIONE2_CORE/329/findbugsResult/

javax.servlet.ServletException:
file:/usr/local/hudson/plugins/findbugs/WEB-INF/classes/hudson/plugins/findbugs/FindBugsResult/index.jelly:5:57:
<st:include> No page found 'sidepanel.jelly' for class
hudson.plugins.findbugs.FindBugsResult
org.kohsuke.stapler.jelly.JellyClassTearOff.serveIndexJelly(JellyClassTearOff.java:98)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:290)
org.kohsuke.stapler.MetaClass$15.dispatch(MetaClass.java:361)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:307)
org.kohsuke.stapler.MetaClass$15.dispatch(MetaClass.java:361)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:307)
org.kohsuke.stapler.MetaClass$9.doDispatch(MetaClass.java:240)
org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:307)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:244)
org.kohsuke.stapler.Stapler.service(Stapler.java:92)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
hudson.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:79)

root cause

org.apache.commons.jelly.JellyTagException:
file:/usr/local/hudson/plugins/findbugs/WEB-INF/classes/hudson/plugins/findbugs/FindBugsResult/index.jelly:5:57:
<st:include> No page found 'sidepanel.jelly' for class
hudson.plugins.findbugs.FindBugsResult
org.kohsuke.stapler.jelly.IncludeTag.doTag(IncludeTag.java:71)
org.apache.commons.jelly.impl.TagScript.run(TagScript.java:262)
org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
org.apache.commons.jelly.impl.TagScript.run(TagScript.java:262)
org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:186)
org.apache.commons.jelly.impl.StaticTag.doTag(StaticTag.java:65)
org.apache.commons.jelly.impl.StaticTagScript.run(StaticTagScript.java:112)
org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:186)
org.apache.commons.jelly.impl.StaticTag.doTag(StaticTag.java:65)
org.apache.commons.jelly.impl.StaticTagScript.run(StaticTagScript.java:112)
org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:186)
org.apache.commons.jelly.tags.core.JellyTag.doTag(JellyTag.java:45)
org.apache.commons.jelly.impl.TagScript.run(TagScript.java:262)
org.apache.commons.jelly.impl.DynamicTag.doTag(DynamicTag.java:80)
org.apache.commons.jelly.impl.TagScript.run(TagScript.java:262)
org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:186)
org.apache.commons.jelly.tags.core.JellyTag.doTag(JellyTag.java:45)
org.apache.commons.jelly.impl.TagScript.run(TagScript.java:262)
org.kohsuke.stapler.jelly.JellyClassTearOff.invokeScript(JellyClassTearOff.java:78)
org.kohsuke.stapler.jelly.JellyClassTearOff.serveIndexJelly(JellyClassTearOff.java:93)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:290)
org.kohsuke.stapler.MetaClass$15.dispatch(MetaClass.java:361)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:307)
org.kohsuke.stapler.MetaClass$15.dispatch(MetaClass.java:361)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:307)
org.kohsuke.stapler.MetaClass$9.doDispatch(MetaClass.java:240)
org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:307)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:244)
org.kohsuke.stapler.Stapler.service(Stapler.java:92)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
hudson.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:79)