{"id":2721,"date":"2022-08-30T15:27:13","date_gmt":"2022-08-30T15:27:13","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2014\/02\/08\/nullpointerexception-generate-report-in-jasper-collection-of-common-programming-errors\/"},"modified":"2022-08-30T15:27:13","modified_gmt":"2022-08-30T15:27:13","slug":"nullpointerexception-generate-report-in-jasper-collection-of-common-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2022\/08\/30\/nullpointerexception-generate-report-in-jasper-collection-of-common-programming-errors\/","title":{"rendered":"NullPointerException &#8211; generate report in jasper-Collection of common programming errors"},"content":{"rendered":"<p>I&#8217;m having a problem when generating reports with Jasper Reports.<br \/>\nMy intention is to generate a report for each user, but it only generates a single pdf.<\/p>\n<pre><code>Grave: Error instantiating extensions registry for fonts\n    java.lang.NullPointerException\n        at net.sf.jasperreports.engine.fonts.SimpleFontFace.(SimpleFontFace.java:83)\n        at net.sf.jasperreports.engine.fonts.SimpleFontFamily.createFontFace(SimpleFontFamily.java:316)\n        at net.sf.jasperreports.engine.fonts.SimpleFontFamily.setItalic(SimpleFontFamily.java:101)\n        at net.sf.jasperreports.engine.fonts.SimpleFontExtensionHelper.parseFontFamily(SimpleFontExtensionHelper.java:241)\n        at net.sf.jasperreports.engine.fonts.SimpleFontExtensionHelper.parseFontFamilies(SimpleFontExtensionHelper.java:204)\n        at net.sf.jasperreports.engine.fonts.SimpleFontExtensionHelper.loadFontFamilies(SimpleFontExtensionHelper.java:173)\n        at net.sf.jasperreports.engine.fonts.SimpleFontExtensionHelper.loadFontFamilies(SimpleFontExtensionHelper.java:142)\n        at net.sf.jasperreports.engine.fonts.SimpleFontExtensionsRegistryFactory.createRegistry(SimpleFontExtensionsRegistryFactory.java:63)\n        at net.sf.jasperreports.extensions.DefaultExtensionsRegistry.instantiateRegistry(DefaultExtensionsRegistry.java:200)\n        at net.sf.jasperreports.extensions.DefaultExtensionsRegistry.loadRegistries(DefaultExtensionsRegistry.java:175)\n        at net.sf.jasperreports.extensions.DefaultExtensionsRegistry.loadRegistries(DefaultExtensionsRegistry.java:135)\n        at net.sf.jasperreports.extensions.DefaultExtensionsRegistry.getRegistries(DefaultExtensionsRegistry.java:121)\n        at net.sf.jasperreports.extensions.DefaultExtensionsRegistry.getExtensions(DefaultExtensionsRegistry.java:98)\n        at net.sf.jasperreports.engine.util.JRStyledTextParser.(JRStyledTextParser.java:76)\n        at net.sf.jasperreports.engine.fill.JRBaseFiller.(JRBaseFiller.java:181)\n        at net.sf.jasperreports.engine.fill.JRVerticalFiller.(JRVerticalFiller.java:76)\n        at net.sf.jasperreports.engine.fill.JRVerticalFiller.(JRVerticalFiller.java:86)\n        at net.sf.jasperreports.engine.fill.JRVerticalFiller.(JRVerticalFiller.java:56)\n        at net.sf.jasperreports.engine.fill.JRFiller.createFiller(JRFiller.java:142)\n        at net.sf.jasperreports.engine.fill.JRFiller.fillReport(JRFiller.java:52)\n        at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:417)\n        at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:247)\n        at sige.comunicacao.participante.ServletEmitirCertificadoTodosParticipantes.emitirCertificado(ServletEmitirCertificadoTodosParticipantes.java:250)\n        at sige.comunicacao.participante.ServletEmitirCertificadoTodosParticipantes.doPost(ServletEmitirCertificadoTodosParticipantes.java:102)\n        at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)\n        at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)\n        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)\n        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)\n        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)\n        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)\n        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)\n        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)\n        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)\n        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)\n        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:873)\n        at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)\n        at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)\n        at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)\n        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)\n        at java.lang.Thread.run(Unknown Source)\n<\/code><\/pre>\n<p>The code snippet that is generating the exception is:<\/p>\n<pre><code>  \/\/ Aqui ele cria o relat\u00f3rio\n                        impressao = JasperFillManager.fillReport(pathJasper\n                                + \"\/Certificado_Conclusao.jasper\", parametros, con);\n\n                        \/\/ exporta para pdf\n                        JasperExportManager.exportReportToPdfFile(impressao, path\n                                + \"\/Certificado_Conclusao_\" + cpf + \".pdf\");\n<\/code><\/pre>\n<p>I am using the jasper reports 3.7.2<\/p>\n<p>Anyone knows how to solve this? Thank you in advance<\/p>\n<p id=\"rop\"><small>Originally posted 2014-02-08 03:35:32. <\/small><\/p>","protected":false},"excerpt":{"rendered":"<p>I&#8217;m having a problem when generating reports with Jasper Reports. My intention is to generate a report for each user, but it only generates a single pdf. Grave: Error instantiating extensions registry for fonts java.lang.NullPointerException at net.sf.jasperreports.engine.fonts.SimpleFontFace.(SimpleFontFace.java:83) at net.sf.jasperreports.engine.fonts.SimpleFontFamily.createFontFace(SimpleFontFamily.java:316) at net.sf.jasperreports.engine.fonts.SimpleFontFamily.setItalic(SimpleFontFamily.java:101) at net.sf.jasperreports.engine.fonts.SimpleFontExtensionHelper.parseFontFamily(SimpleFontExtensionHelper.java:241) at net.sf.jasperreports.engine.fonts.SimpleFontExtensionHelper.parseFontFamilies(SimpleFontExtensionHelper.java:204) at net.sf.jasperreports.engine.fonts.SimpleFontExtensionHelper.loadFontFamilies(SimpleFontExtensionHelper.java:173) at net.sf.jasperreports.engine.fonts.SimpleFontExtensionHelper.loadFontFamilies(SimpleFontExtensionHelper.java:142) at net.sf.jasperreports.engine.fonts.SimpleFontExtensionsRegistryFactory.createRegistry(SimpleFontExtensionsRegistryFactory.java:63) at net.sf.jasperreports.extensions.DefaultExtensionsRegistry.instantiateRegistry(DefaultExtensionsRegistry.java:200) at net.sf.jasperreports.extensions.DefaultExtensionsRegistry.loadRegistries(DefaultExtensionsRegistry.java:175) [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2721","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/2721","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=2721"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/2721\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=2721"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=2721"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=2721"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}