org.openxava.util.XavaException: \[Imposible crear la clase null.Pupil por: No ClassLoaders found for: null.Pupil\] 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.model.meta.MetaEjbImpl.getRemoteClass(MetaEjbImpl.java:52) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.model.meta.MetaEntityEjb.getRemoteClass(MetaEntityEjb.java:22) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.model.meta.MetaEntityEjb.getPropertiesClass(MetaEntityEjb.java:135) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.model.meta.MetaProperty.calculateIfReadOnly(MetaProperty.java:567) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.model.meta.MetaProperty.isReadOnly(MetaProperty.java:557) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.model.meta.MetaProperty.cloneMetaProperty(MetaProperty.java:585) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.meta.MetaTab.namesToMetaProperties(MetaTab.java:121) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.meta.MetaTab.getMetaProperties(MetaTab.java:99) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.impl.EntityTab.getPropiedades(EntityTab.java:446) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.impl.EntityTab.getHeading(EntityTab.java:116) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.impl.EntityTab.init(EntityTab.java:205) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.impl.EntityTabFactory.create(EntityTabFactory.java:62) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.impl.EntityTabFactory.create(EntityTabFactory.java:46) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.Tab.getTableModel(Tab.java:194) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jsp.xava.list\_jsp.\_jspService(org.apache.jsp.xava.list\_jsp:151) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:99) 13:56:18,956 INFO  \[STDOUT\]     at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:325) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) 13:56:18,956 INFO  \[STDOUT\]     at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:966) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jsp.xava.module\_jsp.\_jspService(org.apache.jsp.xava.module\_jsp:313) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:99) 13:56:18,956 INFO  \[STDOUT\]     at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:325) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) 13:56:18,956 INFO  \[STDOUT\]     at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 13:56:18,956 INFO  \[STDOUT\]     at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:75) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) 13:56:18,972 INFO  \[STDOUT\]     at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39) 13:56:18,972 INFO  \[STDOUT\]     at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:147) 13:56:18,972 INFO  \[STDOUT\]     at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:53) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:825) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:743) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) 13:56:18,972 INFO  \[STDOUT\]     at java.lang.Thread.run(Thread.java:536) 13:56:18,972 INFO  \[STDOUT\] \[MetaProperty.calculateIfReadOnly\] ADVERTENCIA\! Imposible comprobar si la propiedad name de Pupil es de solo lectura 13:56:18,987 INFO  \[STDOUT\] java.lang.NullPointerException 13:56:18,987 INFO  \[STDOUT\]     at org.openxava.util.Strings.change(Strings.java:408) 13:56:18,987 INFO  \[STDOUT\]     at org.openxava.component.MetaComponent.getPackageNameWithSlash(MetaComponent.java:361)

openxava | huchen | 1 decade ago
  1. 0

    Teacher-pupil question.

    openxava | 1 decade ago | huchen
    org.openxava.util.XavaException: \[Imposible crear la clase null.Pupil por: No ClassLoaders found for: null.Pupil\] 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.model.meta.MetaEjbImpl.getRemoteClass(MetaEjbImpl.java:52) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.model.meta.MetaEntityEjb.getRemoteClass(MetaEntityEjb.java:22) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.model.meta.MetaEntityEjb.getPropertiesClass(MetaEntityEjb.java:135) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.model.meta.MetaProperty.calculateIfReadOnly(MetaProperty.java:567) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.model.meta.MetaProperty.isReadOnly(MetaProperty.java:557) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.model.meta.MetaProperty.cloneMetaProperty(MetaProperty.java:585) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.meta.MetaTab.namesToMetaProperties(MetaTab.java:121) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.meta.MetaTab.getMetaProperties(MetaTab.java:99) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.impl.EntityTab.getPropiedades(EntityTab.java:446) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.impl.EntityTab.getHeading(EntityTab.java:116) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.impl.EntityTab.init(EntityTab.java:205) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.impl.EntityTabFactory.create(EntityTabFactory.java:62) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.impl.EntityTabFactory.create(EntityTabFactory.java:46) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.Tab.getTableModel(Tab.java:194) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jsp.xava.list\_jsp.\_jspService(org.apache.jsp.xava.list\_jsp:151) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:99) 13:56:18,956 INFO  \[STDOUT\]     at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:325) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) 13:56:18,956 INFO  \[STDOUT\]     at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:966) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jsp.xava.module\_jsp.\_jspService(org.apache.jsp.xava.module\_jsp:313) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:99) 13:56:18,956 INFO  \[STDOUT\]     at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:325) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) 13:56:18,956 INFO  \[STDOUT\]     at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 13:56:18,956 INFO  \[STDOUT\]     at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:75) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) 13:56:18,972 INFO  \[STDOUT\]     at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39) 13:56:18,972 INFO  \[STDOUT\]     at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:147) 13:56:18,972 INFO  \[STDOUT\]     at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:53) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:825) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:743) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) 13:56:18,972 INFO  \[STDOUT\]     at java.lang.Thread.run(Thread.java:536) 13:56:18,972 INFO  \[STDOUT\] \[MetaProperty.calculateIfReadOnly\] ADVERTENCIA\! Imposible comprobar si la propiedad name de Pupil es de solo lectura 13:56:18,987 INFO  \[STDOUT\] java.lang.NullPointerException 13:56:18,987 INFO  \[STDOUT\]     at org.openxava.util.Strings.change(Strings.java:408) 13:56:18,987 INFO  \[STDOUT\]     at org.openxava.component.MetaComponent.getPackageNameWithSlash(MetaComponent.java:361)
  2. 0

    Mensaje de error siguiendo el libro

    openxava | 4 years ago | jegomez
    org.openxava.util.XavaException: Imposible obtener tamaño del resultado
  3. 0

    sql error

    openxava | 4 years ago | aptinis7
    org.openxava.util.XavaException: Impossible to obtain the result size
  4. Speed up your debug routine!

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  5. 0

    Exception from tomcat, application is not running

    openxava | 4 years ago | mortoza
    org.openxava.util.XavaException: Impossible to obtain the result size
  6. 0

    HELP! Interface Components does not appear and Errors trying to obtain data list!

    openxava | 1 year ago | brenoandrade
    org.openxava.util.XavaException: Impossible to obtain the result size

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    Root Cause Analysis

    1. org.openxava.util.XavaException

      \[Imposible crear la clase null.Pupil por: No ClassLoaders found for: null.Pupil\] 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.model.meta.MetaEjbImpl.getRemoteClass(MetaEjbImpl.java:52) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.model.meta.MetaEntityEjb.getRemoteClass(MetaEntityEjb.java:22) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.model.meta.MetaEntityEjb.getPropertiesClass(MetaEntityEjb.java:135) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.model.meta.MetaProperty.calculateIfReadOnly(MetaProperty.java:567) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.model.meta.MetaProperty.isReadOnly(MetaProperty.java:557) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.model.meta.MetaProperty.cloneMetaProperty(MetaProperty.java:585) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.meta.MetaTab.namesToMetaProperties(MetaTab.java:121) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.meta.MetaTab.getMetaProperties(MetaTab.java:99) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.impl.EntityTab.getPropiedades(EntityTab.java:446) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.impl.EntityTab.getHeading(EntityTab.java:116) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.impl.EntityTab.init(EntityTab.java:205) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.impl.EntityTabFactory.create(EntityTabFactory.java:62) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.impl.EntityTabFactory.create(EntityTabFactory.java:46) 13:56:18,956 INFO  \[STDOUT\]     at org.openxava.tab.Tab.getTableModel(Tab.java:194) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jsp.xava.list\_jsp.\_jspService(org.apache.jsp.xava.list\_jsp:151) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:99) 13:56:18,956 INFO  \[STDOUT\]     at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:325) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) 13:56:18,956 INFO  \[STDOUT\]     at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:966) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jsp.xava.module\_jsp.\_jspService(org.apache.jsp.xava.module\_jsp:313) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:99) 13:56:18,956 INFO  \[STDOUT\]     at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:325) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) 13:56:18,956 INFO  \[STDOUT\]     at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 13:56:18,956 INFO  \[STDOUT\]     at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:75) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) 13:56:18,956 INFO  \[STDOUT\]     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) 13:56:18,972 INFO  \[STDOUT\]     at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39) 13:56:18,972 INFO  \[STDOUT\]     at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:147) 13:56:18,972 INFO  \[STDOUT\]     at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:53) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:825) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:743) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) 13:56:18,972 INFO  \[STDOUT\]     at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) 13:56:18,972 INFO  \[STDOUT\]     at java.lang.Thread.run(Thread.java:536) 13:56:18,972 INFO  \[STDOUT\] \[MetaProperty.calculateIfReadOnly\] ADVERTENCIA\! Imposible comprobar si la propiedad name de Pupil es de solo lectura 13:56:18,987 INFO  \[STDOUT\] java.lang.NullPointerException 13:56:18,987 INFO  \[STDOUT\]     at org.openxava.util.Strings.change(Strings.java:408) 13:56:18,987 INFO  \[STDOUT\]     at org.openxava.component.MetaComponent.getPackageNameWithSlash(MetaComponent.java:361)

      at org.openxava.tab.impl.EntityTab.getDataProvider()
    2. org.openxava.tab
      Tab.getTotalSize
      1. org.openxava.tab.impl.EntityTab.getDataProvider(EntityTab.java:534)
      2. org.openxava.tab.impl.EntityTab.getResultSize(EntityTab.java:578)
      3. org.openxava.tab.impl.TableModelBean.getTotalSize(TableModelBean.java:303)
      4. org.openxava.tab.impl.XTableModelDecoratorBase.getTotalSize(XTableModelDecoratorBase.java:87)
      5. org.openxava.tab.Tab.getTotalSize(Tab.java:573)
      5 frames