clover jenkins plugin link "clover summary report error"
Asked by will zhang:

Hi,

A Clover jenkins plugin issue after couple runs of my code coverage build on jenkins.

The code coverage tracking graph is gone.

The summary line of each job shows this: "Clover Code Coverage - null% method null, conditional null, statement null. "

Clicking on " [Clover Summary Report](http://nsbu-jenkins.nicira.eng.vmware.com/job/nsx-code-coverage-ccp-unit/43/clover)" give me an exception as below:

```
com.google.common.util.concurrent.UncheckedExecutionException: java.lang.NullPointerException	at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2234)	at com.google.common.cache.LocalCache.get(LocalCache.java:3965)	at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3969)	at com.google.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:4829)	at hudson.plugins.clover.CloverBuildAction.getResult(CloverBuildAction.java:162)	at hudson.plugins.clover.CloverBuildAction.getTarget(CloverBuildAction.java:111)	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:674)	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)	at org.kohsuke.stapler.MetaClass$13.dispatch(MetaClass.java:411)	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)	at org.kohsuke.stapler.MetaClass$13.dispatch(MetaClass.java:411)	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)	at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:249)	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:649)	at org.kohsuke.stapler.Stapler.service(Stapler.java:238)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:686)	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1494)	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:132)	at com.cloudbees.jenkins.support.slowrequest.SlowRequestFilter.doFilter(SlowRequestFilter.java:37)	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:129)	at com.smartcodeltd.jenkinsci.plugin.assetbundler.filters.LessCSS.doFilter(LessCSS.java:46)	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:129)	at 
```

By digging into jenkins log, I found the exception message:

Sep 02, 2016 9:50:41 AM hudson.ExpressionFactory2$JexlExpression evaluate

WARNING: Caught exception evaluating: it.elementCoverage in /job/nsx-code-coverage-ccp-unit/43/. Reason: java.lang.reflect.InvocationTargetException

Is this path correct?

By looking into github code, I pinned down the problem to this line:

<https://github.com/jenkinsci/clover-plugin/blob/master/src/main/java/hudson/plugins/clover/CloverPublisher.java>

|---------------------------------------------------------------------------------------------------------------------------|
| `static` `File getCloverXmlReport(Run<?, ?> build) {` ` ``return` `new` `File(build.getRootDir(), ``"clover.xml"``);` `}` |

Is build.getRootDir() the right way to get correct path for clover.xml?


Answers:
author: Marek Parfianowicz
body: Hi Will, your issue sounds similar to the issue fixed in recently merged pull-request:

<https://github.com/jenkinsci/clover-plugin/commit/ec07020068e5e1b23d12053d42eb2149629fac4b>

Please note that there is no official release with this fix yet. You may want to try the fix by building a snapshot version (git clone + mvn install) and installing it in Jenkins.


Tags: clover

clover-html-report

jenkins