Turns out the object belonging to allLabels was not automatically converted
into an array or list of strings, but instead an array of JSONObjects. By
adding this code I could convert it into an ArrayList<String>:
List<String> output = new ArrayList<String>();
for (JSONObject obj : json){
output.add(obj.getString(labelName));
ThrottleQueueTaskDispatcher.writeMessage("Yay! Has
"+obj.getString(labelName));
}
return output;
However, something weird happens now: when I add three labels on the
Jenkins configuration page, it remembers that I stored three of them, but
when I then open the config page again, the three fields are left blank.
Help?
On Monday, August 20, 2012 2:20:53 PM UTC+1, ThomasBrouwer wrote:
>
> Hi there!
>
> I'm trying to find the right code to store the inputs of a repeatable
> element into the same list. This is required because this is nested inside
> another repeatable element.
>
> Currently my jelly code is:
> <f:repeatable field="categories" minimum="0">
> <table width="100%">
> <f:entry title="Category Name" field="categoryName">
> <f:textbox />
> </f:entry>
>
> <f:entry title="Labels">
> <f:repeatable field="allLabels" minimum="0">
> <table width="100%">
> <f:entry title="Label name" field="labelNames">
> <f:textbox />
> </f:entry>
> </table>
> <div align="right">
> <f:repeatableDeleteButton/>
> </div>
> </f:repeatable>
> </f:entry>
>
> </table>
> <div align="right">
> <f:repeatableDeleteButton/>
> </div>
> </f:repeatable>
>
> where the important bit is the labels fields.
> The configure function in the DescriptorImpl class is:
> @Override
> public boolean configure(StaplerRequest req, JSONObject formData)
> throws FormException {
> req.bindJSON(this, formData);
> save();
> return true;
> }
>
> and the info is stored in another class ThrottleCategory with constructor:
> @DataBoundConstructor
> public ThrottleCategory(String categoryName,
> Integer maxConcurrentPerNode,
> Integer maxConcurrentTotal,
> List<String> allLabels) {
> this.maxConcurrentPerNode = maxConcurrentPerNode == null ? 0 :
> maxConcurrentPerNode;
> this.maxConcurrentTotal = maxConcurrentTotal == null ? 0 :
> maxConcurrentTotal;
> this.categoryName = categoryName;
> this.allLabels = allLabels;
> }
>
> This all gives me an error suggesting the data from the list fields are in
> the wrong format or such:
>
> Exception: java.lang.IllegalArgumentException: Failed to instantiate class
> hudson.plugins.throttleconcurrents.ThrottleJobProperty$ThrottleCategory
> from
> {"allLabels":[{"labelNames":"label_1"},{"labelNames":"label_2"}],"categoryName":"category_1"}
>
> Stacktrace:
>
> javax.servlet.ServletException: java.lang.IllegalArgumentException: Failed to
> instantiate class
> hudson.plugins.throttleconcurrents.ThrottleJobProperty$ThrottleCategory from
> {"allLabels":[{"labelNames":"label_1"},{"labelNames":"label_2"}],"categoryName":"category_1"}
> at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:616)
> at org.kohsuke.stapler.Stapler.invoke(Stapler.java:659)
> at org.kohsuke.stapler.Stapler.invoke(Stapler.java:488)
> at org.kohsuke.stapler.Stapler.service(Stapler.java:162)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:45)
> at winstone.ServletConfiguration.execute(ServletConfiguration.java:248)
> at winstone.RequestDispatcher.forward(RequestDispatcher.java:333)
> at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:376)
> at
> hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:95)
> at
> hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:58)
> at
> hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:98)
> at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:87)
> at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
> at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
> at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:47)
> at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
> at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
> at
> hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
> at
> hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
> at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
> at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
> at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
> at
> org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:50)
> at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
> at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
> at
> hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
> at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
> at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
> at winstone.RequestDispatcher.forward(RequestDispatcher.java:331)
> at
> winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:215)
> at winstone.RequestHandlerThread.run(RequestHandlerThread.java:138)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
> Caused by: java.lang.IllegalArgumentException: Failed to instantiate class
> hudson.plugins.throttleconcurrents.ThrottleJobProperty$ThrottleCategory from
> {"allLabels":[{"labelNames":"label_1"},{"labelNames":"label_2"}],"categoryName":"category_1"}
> at
> org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:633)
> at
> org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:669)
> at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:387)
> at
> hudson.plugins.throttleconcurrents.ThrottleJobProperty$DescriptorImpl.configure(ThrottleJobProperty.java:150)
> at jenkins.model.Jenkins.configureDescriptor(Jenkins.java:2686)
> at jenkins.model.Jenkins.doConfigSubmit(Jenkins.java:2649)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:288)
> at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:151)
> at
> org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:90)
> at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:111)
> at
> org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
> at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:574)
> ... 37 more
> Caused by: java.lang.IllegalArgumentException: Failed to convert the
> allLabels parameter of the constructor public
> hudson.plugins.throttleconcurrents.ThrottleJobProperty$ThrottleCategory(java.lang.String,java.lang.Integer,java.lang.Integer,java.util.List)
> at
> org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:627)
> ... 52 more
> Caused by: java.lang.IllegalArgumentException: Failed to instantiate class
> java.lang.String from {"labelNames":"label_1"}
> at
> org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:633)
> at
> org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:678)
> at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:377)
> at
> org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:625)
> ... 52 more
> Caused by: org.kohsuke.stapler.NoStaplerConstructorException: There's no
> @DataBoundConstructor on any constructor of class java.lang.String
> at
> org.kohsuke.stapler.RequestImpl.loadConstructorParamNames(RequestImpl.java:485)
> at org.kohsuke.stapler.RequestImpl.access$100(RequestImpl.java:76)
> at
> org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:612)
> ... 55 more
>
>
> What am I missing here/doing wrong?
>
> Thank you!
>
