Hi Stephen,
yeah, that's exactly what I tried to do following the description in the
wiki:
<build>
<plugins>
<plugin>
<groupId>org.jenkins-ci.tools</groupId>
<artifactId>maven-hpi-plugin</artifactId>
<configuration>
<pluginFirstClassLoader>true</pluginFirstClassLoader>
</configuration>
</plugin>
</plugins>
</build>
And that's why I get now the LinkageErrors instead of the NoSuchMethod
Exceptions that I had before (without the classloading strategy)...
Kind regards,
Ingmar
Von: [email protected] [mailto:[email protected]]
Im Auftrag von Stephen Connolly
Gesendet: Donnerstag, 2. Mai 2013 23:41
An: [email protected]
Betreff: Re: ClassLoading problem
You can use plugin first classloading strategy by setting an option in the
Pom.
Sent from my iPad
On Thursday, 2 May 2013, Ingmar Kellner wrote:
Hello,
I have a problem related to JFreeChart, which I use in my plugin.
I use version 1.0.14 and use the classloader configuration described here
(https://wiki.jenkins-ci.org/display/JENKINS/Plugin+Structure#PluginStructur
e-Classloader ), so that my plugin uses this version instead of 1.0.9
provided by the Jenkins core.
But now, I get the following LinkageError:
Mai 02, 2013 10:50:53 PM org.kohsuke.stapler.compression.CompressionFilter
reportException
Warnung: Untrapped servlet exception
javax.servlet.ServletException: java.lang.LinkageError:
org/jfree/chart/JFreeChart
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:719)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:770)
at org.kohsuke.stapler.MetaClass$12.dispatch(MetaClass.java:384)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:677)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:770)
at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:241)
at
org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53
)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:677)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:770)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:583)
at org.kohsuke.stapler.Stapler.service(Stapler.java:214)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:305)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:210)
at
hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:95)
at
hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:87)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:243)
...
Caused by: java.lang.LinkageError: org/jfree/chart/JFreeChart
at hudson.util.Graph.render(Graph.java:88)
at hudson.util.Graph.doPng(Graph.java:98)
at
com.hello2morrow.sonargraph.jenkinsplugin.controller.SonargraphChartAction.d
oGetPlot(SonargraphChartAction.java:124)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57
)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at
org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:288)
at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:151)
at
org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:90)
at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:111)
at
org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53
)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:677)
... 45 more
I use the following code to generate the chart
public void doGetPlot(StaplerRequest req, StaplerResponse rsp)
{
//Some unimportant code here...
final JFreeChart chart = plot.createXYChart(metric, xAxisLabel,
maxDataPoints, true);
try
{
Graph graph = new Graph(-1, defaultGraphicWidth,
defaultGraphicHeight)
{
@Override
protected JFreeChart createGraph()
{
return chart;
}
};
graph.doPng(req, rsp);
}
catch (IOException ioe)
{
//Some exception handling here...
If I understand this correctly, the problem is that I tell Graph to use a
JFreeChart (v1.0.14), whereas it has been compiled using a
JFreeChart(v1.0.9).
Is there any way I can avoid this error and still use the 1.0.14
functionality?
Thanks for any suggestions!
Cheers,
Ingmar
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