akrenitz_1 Posted March 16, 2019 Share Posted March 16, 2019 I am using the the following dependendies :<groupId>net.sf.jasperreports</groupId> <artifactId>jasperreports</artifactId> <version>6.7.1</version> </dependency> <dependency> <groupId>commons-digester</groupId> <artifactId>commons-digester</artifactId> <version>2.1</version>My imports are as follows:import net.sf.jasperreports.engine.JasperCompileManager;import net.sf.jasperreports.engine.JRException;import net.sf.jasperreports.engine.JasperReport;import net.sf.jasperreports.engine.JasperRunManager;import net.sf.jasperreports.engine.design.JasperDesign;import net.sf.jasperreports.engine.xml.JRXmlLoader; conn = UCP.getConn(); JasperReport jasperReport = null; // jrxml JasperDesign jasperDesign = null; ObjectMapper mapper = new ObjectMapper(); Map prameters = new HashMap (); prameters = mapper.readValue(params, new TypeReference<Map<String, String>>(){}); String rpt = Navigation.getUrl(report); String realPath=getServletContext().getRealPath("/WEB-INF/"+rpt); jasperDesign = JRXmlLoader.load(realPath); jasperReport = JasperCompileManager.compileReport(jasperDesign); byte[] byteStream = JasperRunManager.runReportToPdf(jasperReport, prameters, conn); return byteStream; I get the following runtime error. Mar 16, 2019 9:40:24 AM org.apache.catalina.core.StandardWrapperValve invokeSEVERE: Servlet.service() for servlet [com.servlets.JasperReports] in context with path [/investmentClub] threw exception [servlet execution threw an exception] with root causejava.lang.ClassNotFoundException: org.apache.commons.digester.Digester at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1343) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1173) at com.servlets.JasperReports.jasperreport(JasperReports.java:98) at com.servlets.JasperReports.doPost(JasperReports.java:69) at javax.servlet.http.HttpServlet.service(HttpServlet.java:660) at javax.servlet.http.HttpServlet.service(HttpServlet.java:741) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:71) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:668) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1417) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Unknown Source) Link to comment Share on other sites More sharing options...
hozawa Posted March 18, 2019 Share Posted March 18, 2019 Try deleting common-digester setting. I don't have it in my pom.xml and not having problem.i.e. <dependency> <groupId>net.sf.jasperreports</groupId> <artifactId>jasperreports</artifactId> <version>6.7.1</version> </dependency> Link to comment Share on other sites More sharing options...
akrenitz_1 Posted March 18, 2019 Author Share Posted March 18, 2019 I didn't remove that object but am receiving a result. However the result is a blank pdf. :( Link to comment Share on other sites More sharing options...
hozawa Posted March 18, 2019 Share Posted March 18, 2019 Blank pdf means you probably have an error in your jrxml or your code. Link to comment Share on other sites More sharing options...
akrenitz_1 Posted March 19, 2019 Author Share Posted March 19, 2019 The report jrxml renders perfectly when viewed from the jasper server. It also renders whne call from a URL. So if you know how the servet should be written as well as on the client side that would help. Link to comment Share on other sites More sharing options...
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