Regarding Axis and deploying services

[Marepalli, Somesh]

Hi         :    I am trying to run Axis within Tomcat Server with the “reloadable” flag set to true in the server.xml file for Axis context.    When I place the .jar file for my web service the first time in Axis lib folder, it seems to deploy ok. However, when I overwrite this .jar file with an updated version (as my app needs), now I cannot deploy my web service (Internal Error -500. See exception trace from log file at end of mail)…     How can I deploy a reloadable web service in Axis. It only seems to work the first time…   Regards -Somesh     Exception stack trace… StandardWrapperValve[AxisServlet]: Servlet.service() for servlet AxisServlet threw exception java.lang.NullPointerException             at org.apache.axis.transport.http.AxisServletBase.getEngineEnvironment(AxisServletBase.java:285)             at org.apache.axis.transport.http.AxisServletBase.getEngine(AxisServletBase.java:208)             at org.apache.axis.transport.http.AxisServletBase.getEngine(AxisServletBase.java:187)             at org.apache.axis.transport.http.AxisServlet.doPost(AxisServlet.java:785)             at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)             at org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:339)             at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)             at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)             at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)             at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243)             at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)             at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)             at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)             at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:190)             at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)             at org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)             at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)             at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)             at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)             at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2347)             at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)             at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)             at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)             at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)             at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)             at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)             at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:468)             at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)             at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)             at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)             at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)             at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)             at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)             at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)             at org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:1027)             at org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1125)             at java.lang.Thread.run(Unknown Source)   From: Marepalli, Somesh Sent: Tuesday, March 16, 2004 9:57 AM To: [EMAIL PROTECTED] Subject: RE: Regarding Axis and deploying services   Hi:    Anyone can help me on this…    Is there any log file for Axis…   Regards -Somesh   From: Marepalli, Somesh Sent: Friday, March 12, 2004 4:24 PM To: [EMAIL PROTECTED] Subject: Regarding Axis and deploying services   Hi:    I am running into some problems with Axis deployment. I want to copy a .jar file for my web service into Axis lib folder while Tomcat is running (I have the reloadable flag set to true).   When I try to invoke the Axis AdminClient using my deployment descriptor, it seems to be ok. However, when I try to view this service using the Axis Servlet, I get the error below….. http://localhost:8080/axis/servlet/AxisServlet AXIS error Sorry, something seems to have gone wrong... here are the details: Exception - java.lang.NullPointerException            Does anyone know why this happens? Also, is there a better way to deploy web services in Axis dynamically? Is setting the reloadable flag to true enough …     Please help   Somesh Marepalli [EMAIL PROTECTED]