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 Oracle Community by 3004, 1 year ago
This exception has no message.
via Spring JIRA by U. Kkm, 1 year ago
via Spring JIRA by U. Kkm, 2 years ago
java.lang.NullPointerException at java.util.Collections$UnmodifiableCollection.<init>(Collections.java:976) at java.util.Collections$UnmodifiableSet.<init>(Collections.java:1046) at java.util.Collections.unmodifiableSet(Collections.java:1038) at com.generator.dom.Company.getContacts(Company.java:107) at com.generator.dao.CompanyDaoImpl.getCompanyById(CompanyDaoImpl.java:71) at com.generator.ejb.organization.OrganizationBean.getCompany(OrganizationBean.java:35) 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:324) at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:629) at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:186) at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:72) at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:84) at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:243) at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:104) at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:117) at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:191) at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:122) at org.jboss.ejb.StatelessSessionContainer.internalInvoke(StatelessSessionContainer.java:322) at org.jboss.ejb.Container.invoke(Container.java:674) at org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invoke(BaseLocalProxyFactory.java:353) at org.jboss.ejb.plugins.local.StatelessSessionProxy.invoke(StatelessSessionProxy.java:83) at $Proxy44.getCompany(Unknown Source) at com.generator.service.OrganizationService.getCompany(OrganizationService.java:40) 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:324) at flashgateway.adapter.java.JavaAdapter.invokeFunction(JavaAdapter.java:49) at flashgateway.filter.AdapterFilter.invoke(AdapterFilter.java:200) at flashgateway.filter.SecurityFilter.invoke(SecurityFilter.java:84) at flashgateway.filter.LicenseFilter.invoke(LicenseFilter.java:58) at flashgateway.filter.ErrorFilter.invoke(ErrorFilter.java:44) at flashgateway.filter.LogFilter.invoke(LogFilter.java:43) at flashgateway.filter.BatchProcessFilter.invoke(BatchProcessFilter.java:63) at flashgateway.filter.DebugFilter.invoke(DebugFilter.java:38) at flashgateway.filter.SerializationFilter.invoke(SerializationFilter.java:59) at flashgateway.Gateway.invoke(Gateway.java:184) at flashgateway.controller.GatewayServlet.service(GatewayServlet.java:56) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:360) at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:294) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:558) at org.mortbay.http.HttpContext.handle(HttpContext.java:1714) at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:507) at org.mortbay.http.HttpContext.handle(HttpContext.java:1664) at org.mortbay.http.HttpServer.service(HttpServer.java:863) at org.jboss.jetty.Jetty.service(Jetty.java:460) at org.mortbay.http.HttpConnection.service(HttpConnection.java:775) at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:939) at org.mortbay.http.HttpConnection.handle(HttpConnection.java:792) at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:201) at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:289) at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:455)