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Old April 9th, 2004, 02:10 AM
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Default A question on bookstore sample app and pointbase
Hi all:

This is regarding the bookstore sample program bundled in the webapps folder of the Java System Application Server PE-8. The problem I face is this:

The admin console lists the appname and context roots as bookstore1. Hence the logical pathname should be http://<localhost>:<port>/bookstore1/ . However, this does not work, and I need to type /enter at the end to make it work. What is going on?

I start the application as instructed and go through one shopping cycle, and check out. I am once again instructed to "Continue Shopping", but upon clicking the "Continue Shopping" link, I get a error page saying that the servlet is unavailable. The log stack trace is as follows:



Servlet.service() for servlet BookDetailsServlet threw exception

java.lang.NullPointerException

at samples.webapps.bookstore.bookstore1.BookDetailsSe rvlet.doGet(Unknown Source)

at javax.servlet.http.HttpServlet.service(HttpServlet .java:748)

at javax.servlet.http.HttpServlet.service(HttpServlet .java:861)

at sun.reflect.GeneratedMethodAccessor110.invoke(Unkn own Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:324)

at org.apache.catalina.security.SecurityUtil$1.run(Se curityUtil.java:289)

at java.security.AccessController.doPrivileged(Native Method)

at javax.security.auth.Subject.doAsPrivileged(Subject .java:500)

at org.apache.catalina.security.SecurityUtil.execute( SecurityUtil.java:311)

at org.apache.catalina.security.SecurityUtil.doAsPriv ilege(SecurityUtil.java:205)

at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:283)

at org.apache.catalina.core.ApplicationFilterChain.ac cess$000(ApplicationFilterChain.java:102)

at org.apache.catalina.core.ApplicationFilterChain$1. run(ApplicationFilterChain.java:192)

at java.security.AccessController.doPrivileged(Native Method)

at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:188)

at org.apache.catalina.core.StandardWrapperValve.invo ke(StandardWrapperValve.java:263)

at org.apache.catalina.core.StandardValveContext.invo keNext(StandardValveContext.java:156)

at org.apache.catalina.core.StandardPipeline.invoke(S tandardPipeline.java:569)

at org.apache.catalina.core.StandardContextValve.invo keInternal(StandardContextValve.java:261)

at org.apache.catalina.core.StandardContextValve.invo ke(StandardContextValve.java:215)

at org.apache.catalina.core.StandardValveContext.invo keNext(StandardValveContext.java:156)

at org.apache.catalina.core.StandardPipeline.invoke(S tandardPipeline.java:569)

at org.apache.catalina.core.StandardHostValve.invoke( StandardHostValve.java:200)

at org.apache.catalina.core.StandardValveContext.invo keNext(StandardValveContext.java:156)

at org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:180)

at org.apache.catalina.core.StandardValveContext.invo keNext(StandardValveContext.java:154)

at org.apache.catalina.valves.AccessLogValve.invoke(A ccessLogValve.java:582)

at org.apache.catalina.core.StandardValveContext.invo keNext(StandardValveContext.java:154)

at com.sun.enterprise.webservice.EjbWebServiceValve.i nvoke(EjbWebServiceValve.java:134)

at org.apache.catalina.core.StandardValveContext.invo keNext(StandardValveContext.java:154)

at com.sun.enterprise.security.web.SingleSignOn.invok e(SingleSignOn.java:272)

at org.apache.catalina.core.StandardValveContext.invo keNext(StandardValveContext.java:154)

at com.sun.enterprise.web.VirtualServerValve.invoke(V irtualServerValve.java:209)

at org.apache.catalina.core.StandardValveContext.invo keNext(StandardValveContext.java:154)

at org.apache.catalina.core.StandardPipeline.invoke(S tandardPipeline.java:569)

at org.apache.catalina.core.StandardEngineValve.invok e(StandardEngineValve.java:161)

at org.apache.catalina.core.StandardValveContext.invo keNext(StandardValveContext.java:156)

at com.sun.enterprise.web.VirtualServerMappingValve.i nvoke(VirtualServerMappingValve.java:166)

at org.apache.catalina.core.StandardValveContext.invo keNext(StandardValveContext.java:154)

at org.apache.catalina.core.StandardPipeline.invoke(S tandardPipeline.java:569)

at org.apache.catalina.core.ContainerBase.invoke(Cont ainerBase.java:979)

at org.apache.coyote.tomcat5.CoyoteAdapter.service(Co yoteAdapter.java:211)

at org.apache.coyote.http11.Http11Processor.process(H ttp11Processor.java:692)

at org.apache.coyote.http11.Http11Protocol$Http11Conn ectionHandler.processConnection(Http11Protocol.jav a:647)

at org.apache.tomcat.util.net.TcpWorkerThread.runIt(P oolTcpEndpoint.java:589)

at org.apache.tomcat.util.threads.ThreadPool$ControlR unnable.run(ThreadPool.java:691)

at java.lang.Thread.run(Thread.java:534)



Please help me with what is going on? Am I missing some settings, or is there a bug in the release I am unaware of? Are there any fixes?

Moreover, are there any alternatives to the pointbase database server bundled with SAS PE-8? Could I use MS-Access2k, for ex. and how do I configure it to work with these sample apps? I am really uncomfortable working with pointbase.

Partho
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