helloworldjava.lang.NullPointerException

This exception has no message.

Samebug tips0

There are no available Samebug tips for this exception. If you know how to solve this issue, help other users by writing a short tip.

Don't give up yet. Paste your full stack trace to get a solution.

Solutions on the web2

  • This exception has no message.
  • This exception has no message.
  • Stack trace

    • helloworldjava.lang.NullPointerException at org.apache.wink.common.internal.http.Accept.valueOf(Accept.java:139) at org.apache.wink.server.internal.contexts.HttpHeadersImpl.getAcceptHeader(HttpHeadersImpl.java:152) at org.apache.wink.server.internal.contexts.HttpHeadersImpl.getAcceptableMediaTypes(HttpHeadersImpl.java:106) at org.apache.wink.server.internal.registry.ResourceRegistry.filterByProduces(ResourceRegistry.java:558) at org.apache.wink.server.internal.registry.ResourceRegistry.filterDispatchMethods(ResourceRegistry.java:482) at org.apache.wink.server.internal.registry.ResourceRegistry.findMethod(ResourceRegistry.java:359) at org.apache.wink.server.internal.handlers.FindResourceMethodHandler.handleResourceMethod(FindResourceMethodHandler.java:138) at org.apache.wink.server.internal.handlers.FindResourceMethodHandler.handleRequest(FindResourceMethodHandler.java:65) at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26) at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22) at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63) at org.apache.wink.server.internal.handlers.FindRootResourceHandler.handleRequest(FindRootResourceHandler.java:95) at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26) at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22) at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63) at org.apache.wink.server.internal.handlers.HeadMethodHandler.handleRequest(HeadMethodHandler.java:53) at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26) at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22) at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63) at org.apache.wink.server.internal.handlers.OptionsMethodHandler.handleRequest(OptionsMethodHandler.java:46) at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26) at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22) at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63) at org.apache.wink.server.internal.handlers.SearchResultHandler.handleRequest(SearchResultHandler.java:33) at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26) at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22) at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63) at org.apache.wink.server.internal.log.ResourceInvocation.handleRequest(ResourceInvocation.java:92) at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26) at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22) at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63) at org.apache.wink.server.internal.log.Requests.handleRequest(Requests.java:76) at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:26) at org.apache.wink.server.handlers.RequestHandlersChain.handle(RequestHandlersChain.java:22) at org.apache.wink.server.handlers.AbstractHandlersChain.doChain(AbstractHandlersChain.java:63) at org.apache.wink.server.handlers.AbstractHandlersChain.run(AbstractHandlersChain.java:48) at org.apache.wink.server.internal.RequestProcessor.handleRequestWithoutFaultBarrier(RequestProcessor.java:207) at org.apache.wink.server.internal.RequestProcessor.handleRequest(RequestProcessor.java:154) at org.apache.wink.server.internal.servlet.RestServlet.service(RestServlet.java:119) at javax.servlet.http.HttpServlet.service(HttpServlet.java:728) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:722)

    Write tip

    You have a different solution? A short tip here would help you and many other users who saw this issue last week.

    Users with the same issue

    You’re the first here who have seen this exception.