java.lang.NullPointerException

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  • Error while starting JBOSS Server
    via by Durgaprasad ,
  • We are using JMeter to stress test our application and sometimes we are getting an error when retrieving wsdl. Our url is http://<server>:9090/tbstat.wsdl and we are running 10 threads requesting the wsdl 100 times each, each thread waiting 5 seconds between each request. After a while a request fails with the stack trace below. The request following the failed request may very well succeed. <body><h2>HTTP ERROR: 500</h2><pre>INTERNAL_SERVER_ERROR</pre> <p>RequestURI=/tbstat.wsdl</p><h3>Caused by:</h3><pre>java.lang.NullPointerException at org.apache.xerces.dom.ParentNode.nodeListItem(Unknown Source) at org.apache.xerces.dom.ParentNode.item(Unknown Source) at com.ibm.wsdl.util.xml.DOM2Writer.print(Unknown Source) at com.ibm.wsdl.util.xml.DOM2Writer.print(Unknown Source) at com.ibm.wsdl.util.xml.DOM2Writer.print(Unknown Source) at com.ibm.wsdl.util.xml.DOM2Writer.print(Unknown Source) at com.ibm.wsdl.util.xml.DOM2Writer.serializeAsXML(Unknown Source) at com.ibm.wsdl.extensions.schema.SchemaSerializer.marshall(Unknown Source) at com.ibm.wsdl.xml.WSDLWriterImpl.printExtensibilityElements(Unknown Source) at com.ibm.wsdl.xml.WSDLWriterImpl.printTypes(Unknown Source) at com.ibm.wsdl.xml.WSDLWriterImpl.printDefinition(Unknown Source) at com.ibm.wsdl.xml.WSDLWriterImpl.writeWSDL(Unknown Source) at com.ibm.wsdl.xml.WSDLWriterImpl.getDocument(Unknown Source) at org.springframework.ws.wsdl.wsdl11.Wsdl4jDefinition.getSource(Wsdl4jDefinition.java:75) at org.springframework.ws.wsdl.wsdl11.DynamicWsdl11Definition.getSource(DynamicWsdl11Definition.java:82) at org.springframework.ws.transport.http.WsdlDefinitionHandlerAdapter.handle(WsdlDefinitionHandlerAdapter.java:125) at org.springframework.ws.transport.http.MessageDispatcherServlet.doService(MessageDispatcherServlet.java:155) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:475) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:430) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:712) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139) at org.mortbay.jetty.Server.handle(Server.java:313) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:506) at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:830) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:514) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381) at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:227) at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:442) Our spring configuration is as follows: <bean id="tbstat" class="org.springframework.ws.wsdl.wsdl11.DynamicWsdl11Definition"> <property name="builder"> <bean class="org.springframework.ws.wsdl.wsdl11.builder.XsdBasedSoap11Wsdl4jDefinitionBuilder"> <property name="schema" value="classpath:no/netcom/ipl/version2_0/WOStatistics.xsd" /> <property name="portTypeName" value="TBStatisticsPort" /> <property name="locationUri" value="http://localhost:8087/tbstatisticsservice/" /> <property name="targetNamespace" value="http://ipl.webservice.netcom.no/customer/wostat/" /> </bean> </property> </bean>
    via by Rune Hamnvik,
  • Error by server-initiated rendering
    via by theyn,
  • We are using JMeter to stress test our application and sometimes we are getting an error when retrieving wsdl. Our url is http://<server>:9090/tbstat.wsdl and we are running 10 threads requesting the wsdl 100 times each, each thread waiting 5 seconds between each request. After a while a request fails with the stack trace below. The request following the failed request may very well succeed. <body><h2>HTTP ERROR: 500</h2><pre>INTERNAL_SERVER_ERROR</pre> <p>RequestURI=/tbstat.wsdl</p><h3>Caused by:</h3><pre>java.lang.NullPointerException at org.apache.xerces.dom.ParentNode.nodeListItem(Unknown Source) at org.apache.xerces.dom.ParentNode.item(Unknown Source) at com.ibm.wsdl.util.xml.DOM2Writer.print(Unknown Source) at com.ibm.wsdl.util.xml.DOM2Writer.print(Unknown Source) at com.ibm.wsdl.util.xml.DOM2Writer.print(Unknown Source) at com.ibm.wsdl.util.xml.DOM2Writer.print(Unknown Source) at com.ibm.wsdl.util.xml.DOM2Writer.serializeAsXML(Unknown Source) at com.ibm.wsdl.extensions.schema.SchemaSerializer.marshall(Unknown Source) at com.ibm.wsdl.xml.WSDLWriterImpl.printExtensibilityElements(Unknown Source) at com.ibm.wsdl.xml.WSDLWriterImpl.printTypes(Unknown Source) at com.ibm.wsdl.xml.WSDLWriterImpl.printDefinition(Unknown Source) at com.ibm.wsdl.xml.WSDLWriterImpl.writeWSDL(Unknown Source) at com.ibm.wsdl.xml.WSDLWriterImpl.getDocument(Unknown Source) at org.springframework.ws.wsdl.wsdl11.Wsdl4jDefinition.getSource(Wsdl4jDefinition.java:75) at org.springframework.ws.wsdl.wsdl11.DynamicWsdl11Definition.getSource(DynamicWsdl11Definition.java:82) at org.springframework.ws.transport.http.WsdlDefinitionHandlerAdapter.handle(WsdlDefinitionHandlerAdapter.java:125) at org.springframework.ws.transport.http.MessageDispatcherServlet.doService(MessageDispatcherServlet.java:155) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:475) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:430) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:712) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139) at org.mortbay.jetty.Server.handle(Server.java:313) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:506) at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:830) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:514) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381) at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:227) at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:442) Our spring configuration is as follows: <bean id="tbstat" class="org.springframework.ws.wsdl.wsdl11.DynamicWsdl11Definition"> <property name="builder"> <bean class="org.springframework.ws.wsdl.wsdl11.builder.XsdBasedSoap11Wsdl4jDefinitionBuilder"> <property name="schema" value="classpath:no/netcom/ipl/version2_0/WOStatistics.xsd" /> <property name="portTypeName" value="TBStatisticsPort" /> <property name="locationUri" value="http://localhost:8087/tbstatisticsservice/" /> <property name="targetNamespace" value="http://ipl.webservice.netcom.no/customer/wostat/" /> </bean> </property> </bean>
    via by Rune Hamnvik,
  • db:: 3.08::SwitchYard 0.7 BPEL howto s9
    via by Unknown author,
    • java.lang.NullPointerException at org.apache.xerces.dom.ParentNode.nodeListItem(Unknown Source) at org.apache.xerces.dom.ParentNode.item(Unknown Source) at org.jboss.metadata.MetaData.getChildrenByTagName(MetaData.java:65) at org.jboss.metadata.MetaData.getUniqueChild(MetaData.java:88) at org.jboss.ejb.plugins.jms.DLQHandler.importXml(DLQHandler.java:393) at org.jboss.ejb.plugins.jms.JMSContainerInvoker.innerStartDelivery(JMSContainerInvoker.java:604) at org.jboss.ejb.plugins.jms.JMSContainerInvoker$ExceptionListenerImpl.run(JMSContainerInvoker.java:1471) at java.lang.Thread.run(Thread.java:595)
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