Salve,
stavamo testando le funzionalità dei webscript, mentre testavo la ricerca per categorie abbiamo ottenuto il seguente errore:
{
    "status" : 
  {
    "code" : 500,
    "name" : "Internal Error",
    "description" : "An error inside the HTTP server which prevented it from fulfilling the request."
  },  
  
  "message" : "{
    "status" : 
  {
    "code" : 500,
    "name" : "Internal Error",
    "description" : "An error inside the HTTP server which prevented it from fulfilling the request."
  },  
  
  "message" : "06180229 Wrapped Exception (with status template): 06180906 Errore durante l'elaborazione del modello 'Expression jsonUtils.encodeJSONString(status.message) is undefined on line 11, column 18 in json.status.ftl.'. Contattare l'amministratore di sistema.",  
  "exception" : "org.springframework.extensions.webscripts.WebScriptException - 06180229 Wrapped Exception (with status template): 06180906 Errore durante l'elaborazione del modello 'Expression jsonUtils.encodeJSONString(status.message) is undefined on line 11, column 18 in json.status.ftl.'. Contattare l'amministratore di sistema.",
  
  "callstack" : 
  [ 
          ""      ,"freemarker.core.InvalidReferenceException: Expression jsonUtils.encodeJSONString(status.message) is undefined on line 11, column 18 in json.status.ftl."
      ,"freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:125)"
      ,"freemarker.core.Expression.getStringValue(Expression.java:118)"
      ,"freemarker.core.Expression.getStringValue(Expression.java:93)"
      ,"freemarker.core.DollarVariable.accept(DollarVariable.java:76)"
      ,"freemarker.core.Environment.visit(Environment.java:221)"
      ,"freemarker.core.MixedContent.accept(MixedContent.java:92)"
      ,"freemarker.core.Environment.visit(Environment.java:221)"
      ,"freemarker.core.Environment.process(Environment.java:199)"
      ,"org.alfresco.repo.template.FreeMarkerProcessor.process(FreeMarkerProcessor.java:218)"
      ,"org.springframework.extensions.webscripts.AbstractWebScript.renderTemplate(AbstractWebScript.java:896)"
      ,"org.springframework.extensions.webscripts.AbstractWebScript.sendStatus(AbstractWebScript.java:995)"
      ,"org.springframework.extensions.webscripts.DeclarativeWebScript.execute(DeclarativeWebScript.java:96)"
      ,"org.alfresco.repo.web.scripts.RepositoryContainer$3.execute(RepositoryContainer.java:422)"
      ,"org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:450)"
      ,"org.alfresco.repo.web.scripts.RepositoryContainer.transactionedExecute(RepositoryContainer.java:491)"
      ,"org.alfresco.repo.web.scripts.RepositoryContainer.transactionedExecuteAs(RepositoryContainer.java:529)"
      ,"org.alfresco.repo.web.scripts.RepositoryContainer.executeScript(RepositoryContainer.java:341)"
      ,"org.springframework.extensions.webscripts.AbstractRuntime.executeScript(AbstractRuntime.java:378)"
      ,"org.springframework.extensions.webscripts.AbstractRuntime.executeScript(AbstractRuntime.java:209)"
      ,"org.springframework.extensions.webscripts.servlet.WebScriptServlet.service(WebScriptServlet.java:132)"
      ,"javax.servlet.http.HttpServlet.service(HttpServlet.java:728)"
      ,"org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)"
      ,"org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)"
      ,"org.alfresco.web.app.servlet.GlobalLocalizationFilter.doFilter(GlobalLocalizationFilter.java:61)"
      ,"org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)"
      ,"org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)"
      ,"org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)"
      ,"org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)"
      ,"org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)"
      ,"org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)"
      ,"org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)"
      ,"org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)"
      ,"org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)"
      ,"org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)"
      ,"org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)"
      ,"org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)"
      ,"org.apache.tomcat.util.net.AprEndpoint$SocketWithOptionsProcessor.run(AprEndpoint.java:1810)"
      ,"java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)"
      ,"java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)"
      ,"java.lang.Thread.run(Thread.java:724)"
      ,"org.alfresco.service.cmr.repository.TemplateException: 06180906 Errore durante l'elaborazione del modello 'Expression jsonUtils.encodeJSONString(status.message) is undefined on line 11, column 18 in json.status.ftl.'. Contattare l'amministratore di sistema."
      ,"org.alfresco.repo.template.FreeMarkerProcessor.process(FreeMarkerProcessor.java:222)"
      ,"org.springframework.extensions.webscripts.WebScriptException: 06180229 Wrapped Exception (with status template): 06180906 Errore durante l'elaborazione del modello 'Expression jsonUtils.encodeJSONString(status.message) is undefined on line 11, column 18 in json.status.ftl.'. Contattare l'amministratore di sistema."
      ,"org.springframework.extensions.webscripts.AbstractWebScript.createStatusException(AbstractWebScript.java:1067)"
  ],
  
  "server" : "Enterprise v4.2.1 (r63452-b50) schema 6.052",
  "time" : "18-lug-2014 18.25.07"
}
Cosa può essere? Può essere il modo in cui scriviamo i parametri di ricerca?
Riccardo