Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Apache's JIRA Issue Tracker by Matthias Weßendorf, 1 year ago
javax.el.ELException: java.lang.NullPointerException: bean parameter can not be null
via Stack Overflow by EL OUFIR Hatim
, 1 year ago
javax.el.ELException: javax.faces.FacesException: fr.percall.si.base.exception.ServiceExecutionException: could not execute query; nested exception is org.hibernate.exception.GenericJDBCException: could not execute query
via GitHub by imadeBI
, 2 years ago
javax.el.ELException: java.lang.NoClassDefFoundError: Could not initialize class org.apache.xmlbeans.XmlBeans
via GitHub by Pritsch
, 6 months ago
javax.el.ELException: java.lang.IllegalArgumentException: Cannot find the specified hierarchyon any axis.
via Stack Overflow by Nitin Singhal
, 1 year ago
javax.el.ELException: java.lang.NoSuchMethodError: javax.activation.DataHandler.()
java.lang.NullPointerException: bean parameter can not be null	at org.apache.webbeans.util.Asserts.assertNotNull(Asserts.java:51)	at org.apache.webbeans.container.BeanManagerImpl.getReference(BeanManagerImpl.java:890)	at org.apache.webbeans.container.InjectableBeanManager.getReference(InjectableBeanManager.java:133)	at org.apache.myfaces.extensions.cdi.jpa.impl.transaction.TransactionalInterceptorStrategy.resolveEntityManagerForQualifier(TransactionalInterceptorStrategy.java:252)	at org.apache.myfaces.extensions.cdi.jpa.impl.transaction.TransactionalInterceptorStrategy.execute(TransactionalInterceptorStrategy.java:101)	at org.apache.myfaces.extensions.cdi.jpa.impl.transaction.TransactionalInterceptor.executeInTransaction(TransactionalInterceptor.java:54)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.apache.webbeans.intercept.InvocationContextImpl.proceedAroundInvokes(InvocationContextImpl.java:239)	at org.apache.webbeans.intercept.InvocationContextImpl.proceed(InvocationContextImpl.java:178)	at org.apache.webbeans.intercept.DependentScopedBeanInterceptorHandler.callAroundInvokes(DependentScopedBeanInterceptorHandler.java:85)	at org.apache.webbeans.intercept.InterceptorHandler.invoke(InterceptorHandler.java:305)	at org.apache.webbeans.intercept.DependentScopedBeanInterceptorHandler.invoke(DependentScopedBeanInterceptorHandler.java:74)	at net.wessendorf.enterprise.jpa.dao.PersonDao_$$_javassist_29.persist(PersonDao_$$_javassist_29.java)	at net.wessendorf.enterprise.service.PersonServerImpl.savePerson(PersonServerImpl.java:38)	at net.wessendorf.enterprise.faces.CreatePersonController.createPerson(CreatePersonController.java:34)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.apache.webbeans.intercept.InterceptorHandler.invoke(InterceptorHandler.java:329)	at org.apache.webbeans.intercept.NormalScopedBeanInterceptorHandler.invoke(NormalScopedBeanInterceptorHandler.java:122)	at net.wessendorf.enterprise.faces.CreatePersonController_$$_javassist_28.createPerson(CreatePersonController_$$_javassist_28.java)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at com.sun.el.parser.AstValue.invoke(AstValue.java:234)	at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:297)	at org.apache.myfaces.view.facelets.el.ContextAwareTagMethodExpression.invoke(ContextAwareTagMethodExpression.java:96)	at org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:72)	at org.apache.myfaces.extensions.cdi.jsf.impl.security.SecurityViolationAwareActionListener.processAction(SecurityViolationAwareActionListener.java:56)	at org.apache.myfaces.extensions.cdi.jsf.impl.config.view.ViewControllerActionListener.processAction(ViewControllerActionListener.java:68)	at org.apache.myfaces.extensions.cdi.jsf.impl.listener.action.CodiActionListener.processAction(CodiActionListener.java:58)	at javax.faces.component.UICommand.broadcast(UICommand.java:120)	at javax.faces.component.UIViewRoot._broadcastAll(UIViewRoot.java:1013)	at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:284)	at javax.faces.component.UIViewRoot._process(UIViewRoot.java:1302)	at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:745)	at org.apache.myfaces.lifecycle.InvokeApplicationExecutor.execute(InvokeApplicationExecutor.java:38)	at org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:170)	at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)	at org.apache.myfaces.extensions.cdi.jsf2.impl.listener.phase.CodiLifecycleWrapper.execute(CodiLifecycleWrapper.java:95)	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:197)	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:546)	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1283)	at com.ocpsoft.pretty.PrettyFilter.doFilter(PrettyFilter.java:118)	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1254)	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:481)	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:516)	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:230)	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:956)	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:411)	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:188)	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:891)	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247)	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:151)	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:114)	at org.eclipse.jetty.server.Server.handle(Server.java:353)	at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:598)	at org.eclipse.jetty.server.HttpConnection$RequestHandler.content(HttpConnection.java:1076)	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:805)	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:218)	at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:427)	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:510)	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.access$000(SelectChannelEndPoint.java:34)	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40)	at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:450)	at java.lang.Thread.run(Thread.java:680)