alguien me puede ayudar estoy trabajando con iReport y Java Studio Creator y tengo el siguiente erro cuando ejecuto mi aplicacion:
StandardWrapperValve[prueba]: Servlet.service() for servlet prueba threw exception
java.lang.NoClassDefFoundError: org/eclipse/jdt/internal/compiler/env/INameEnvironment
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Cla ss.java:2328)
at java.lang.Class.getConstructor0(Class.java:2640)
at java.lang.Class.newInstance0(Class.java:321)
at java.lang.Class.newInstance(Class.java:303)
at net.sf.jasperreports.engine.design.JRDefaultCompil er.getCompiler(JRDefaultCompiler.java:178)
at net.sf.jasperreports.engine.design.JRDefaultCompil er.loadEvaluator(JRDefaultCompiler.java:193)
at net.sf.jasperreports.engine.fill.JRFillDataset.cre ateCalculator(JRFillDataset.java:382)
at net.sf.jasperreports.engine.fill.JRBaseFiller.<ini t>(JRBaseFiller.java:451)
at net.sf.jasperreports.engine.fill.JRVerticalFiller. <init>(JRVerticalFiller.java:91)
at net.sf.jasperreports.engine.fill.JRVerticalFiller. <init>(JRVerticalFiller.java:73)
at net.sf.jasperreports.engine.fill.JRFiller.createFi ller(JRFiller.java:113)
at net.sf.jasperreports.engine.fill.JRFiller.fillRepo rt(JRFiller.java:57)
at net.sf.jasperreports.engine.JasperFillManager.fill Report(JasperFillManager.java:247)
at prueba.visualizarReporte(prueba.java:116)
at prueba.doPost(prueba.java:77)
at prueba.doGet(prueba.java:66)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:820)
at org.apache.catalina.core.ApplicationFilterChain.se rvletService(ApplicationFilterChain.java:397)
at org.apache.catalina.core.StandardWrapperValve.invo ke(StandardWrapperValve.java:278)
at org.apache.catalina.core.StandardPipeline.doInvoke (StandardPipeline.java:566)
at org.apache.catalina.core.StandardPipeline.invoke(S tandardPipeline.java:536)
at org.apache.catalina.core.StandardContextValve.invo keInternal(StandardContextValve.java:240)
at org.apache.catalina.core.StandardContextValve.invo ke(StandardContextValve.java:179)
at org.apache.catalina.core.StandardPipeline.doInvoke (StandardPipeline.java:566)
at com.sun.enterprise.web.WebPipeline.invoke(WebPipel ine.java:73)
at org.apache.catalina.core.StandardHostValve.invoke( StandardHostValve.java:182)
at org.apache.catalina.core.StandardPipeline.doInvoke (StandardPipeline.java:566)
at com.sun.enterprise.web.VirtualServerPipeline.invok e(VirtualServerPipeline.java:120)
at org.apache.catalina.core.ContainerBase.invoke(Cont ainerBase.java:939)
at org.apache.catalina.core.StandardEngineValve.invok e(StandardEngineValve.java:137)
at org.apache.catalina.core.StandardPipeline.doInvoke (StandardPipeline.java:566)
at org.apache.catalina.core.StandardPipeline.invoke(S tandardPipeline.java:536)
at org.apache.catalina.core.ContainerBase.invoke(Cont ainerBase.java:939)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(Co yoteAdapter.java:239)
at com.sun.enterprise.web.connector.grizzly.Processor Task.invokeAdapter(ProcessorTask.java:667)
at com.sun.enterprise.web.connector.grizzly.Processor Task.processNonBlocked(ProcessorTask.java:574)
at com.sun.enterprise.web.connector.grizzly.Processor Task.process(ProcessorTask.java:844)
at com.sun.enterprise.web.connector.grizzly.ReadTask. executeProcessorTask(ReadTask.java:287)
at com.sun.enterprise.web.connector.grizzly.ReadTask. doTask(ReadTask.java:212)
at com.sun.enterprise.web.connector.grizzly.TaskBase. run(TaskBase.java:252)
at com.sun.enterprise.web.connector.grizzly.WorkerThr ead.run(WorkerThread.java:75)
por fa si alguien sabe como puedo corregirlo gracias
