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 Apereo Issues by Benito J. Gonzalez, 1 year ago
java.lang.NullPointerException: null	at java.util.regex.Matcher.getTextLength(Matcher.java:1283)	at java.util.regex.Matcher.reset(Matcher.java:309)	at java.util.regex.Matcher.(Matcher.java:229)	at java.util.regex.Pattern.matcher(Pattern.java:1093)	at org.jasig.portlet.newsreader.service.Whitelist.filter(Whitelist.java:65)	at org.jasig.portlet.newsreader.service.NewsConfigurationWhitelist.filter(NewsConfigurationWhitelist.java:65)	at org.jasig.portlet.newsreader.mvc.AbstractNewsController.filterNonWhitelistedConfigurations(AbstractNewsController.java:66)	at org.jasig.portlet.newsreader.mvc.portlet.reader.AjaxNewsController.getJSONFeeds(AjaxNewsController.java:97)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:177)	at org.springframework.web.portlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:369)	at org.springframework.web.portlet.mvc.annotation.AnnotationMethodHandlerAdapter.doHandle(AnnotationMethodHandlerAdapter.java:356)	at org.springframework.web.portlet.mvc.annotation.AnnotationMethodHandlerAdapter.handleResource(AnnotationMethodHandlerAdapter.java:302)	at org.springframework.web.portlet.DispatcherPortlet.doResourceService(DispatcherPortlet.java:859)	at org.springframework.web.portlet.FrameworkPortlet.processRequest(FrameworkPortlet.java:539)	at org.springframework.web.portlet.FrameworkPortlet.serveResource(FrameworkPortlet.java:490)	at org.jasig.portal.portlet.container.FilterChainImpl.doFilter(FilterChainImpl.java:211)	at org.jasig.portal.portlet.container.FilterChainImpl.processFilter(FilterChainImpl.java:83)	at org.jasig.portal.portlet.container.FilterManagerImpl.processFilter(FilterManagerImpl.java:102)	at org.apache.pluto.container.driver.PortletServlet.dispatch(PortletServlet.java:350)	at org.apache.pluto.container.driver.PortletServlet.doPost(PortletServlet.java:267)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:648)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:720)	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:466)	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:391)	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:318)	at org.apache.pluto.driver.container.DefaultPortletInvokerService.invoke(DefaultPortletInvokerService.java:229)	at org.apache.pluto.driver.container.DefaultPortletInvokerService.serveResource(DefaultPortletInvokerService.java:149)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:91)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)	at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:80)	at org.jasig.portal.portlet.dao.jpa.ThreadContextClassLoaderAspect.doThreadContextClassLoaderUpdate(ThreadContextClassLoaderAspect.java:68)	at sun.reflect.GeneratedMethodAccessor192.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:621)	at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:610)	at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:65)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)	at com.sun.proxy.$Proxy401.serveResource(Unknown Source)	at org.apache.pluto.container.impl.PortletContainerImpl.doServeResource(PortletContainerImpl.java:203)	at org.jasig.portal.portlet.rendering.PortletRendererImpl.doServeResource(PortletRendererImpl.java:553)	at org.jasig.portal.portlet.rendering.worker.PortletResourceExecutionWorker.callInternal(PortletResourceExecutionWorker.java:53)	at org.jasig.portal.portlet.rendering.worker.PortletResourceExecutionWorker.callInternal(PortletResourceExecutionWorker.java:31)	at org.jasig.portal.portlet.rendering.worker.PortletExecutionWorker$1.call(PortletExecutionWorker.java:135)	at org.jasig.portal.portlet.rendering.worker.PortletExecutionWorker$ExecutionLifecycleCallable.call(PortletExecutionWorker.java:175)	at org.jasig.portal.portlet.rendering.worker.PortletExecutionCallable.call(PortletExecutionCallable.java:118)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)