Plus signs in dataset names and IDs?

Is the "+" character allowed in either the name or ID attributes of a  
<dataset>?

When I tried that I got a null pointer exception from the THREDDS  
code (see stack trace below).

When I removed the "+" things worked.

N



2007-06-28T16:06:47.584 -0700 [   1337941][      26] [HTTP-GET]    
DEBUG - opendap.coreServlet.DispatchServlet - Request being handled  
by: opendap.bes.ThreddsDispatchHandler
2007-06-28T16:06:47.585 -0700 [   1337942][      26] [HTTP-GET]    
ERROR - opendap.coreServlet.OPeNDAPException - anyExceptionHandler():  
java.lang.NullPointerException
java.lang.NullPointerException
        at  
thredds.servlet.CatalogServicesServlet.handleCatalogServiceRequest 
(CatalogServicesServlet.java:226)
        at thredds.servlet.DataRootHandler.processReqForCatalog 
(DataRootHandler.java:1117)
        at opendap.bes.ThreddsDispatchHandler.handleRequest 
(ThreddsDispatchHandler.java:215)
        at opendap.coreServlet.DispatchServlet.doGet 
(DispatchServlet.java:440)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at  
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter 
(ApplicationFilterChain.java:252)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter 
(ApplicationFilterChain.java:173)
        at org.apache.catalina.core.StandardWrapperValve.invoke 
(StandardWrapperValve.java:213)
        at org.apache.catalina.core.StandardContextValve.invoke 
(StandardContextValve.java:178)
        at org.apache.catalina.core.StandardHostValve.invoke 
(StandardHostValve.java:126)
        at org.apache.catalina.valves.ErrorReportValve.invoke 
(ErrorReportValve.java:105)
        at org.apache.catalina.valves.AccessLogValve.invoke 
(AccessLogValve.java:541)
        at org.apache.catalina.core.StandardEngineValve.invoke 
(StandardEngineValve.java:107)
        at org.apache.catalina.connector.CoyoteAdapter.service 
(CoyoteAdapter.java:148)
        at org.apache.coyote.http11.Http11Processor.process 
(Http11Processor.java:869)
        at org.apache.coyote.http11.Http11BaseProtocol 
$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
        at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket 
(PoolTcpEndpoint.java:527)
        at  
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt 
(LeaderFollowerWorkerThread.java:80)
        at org.apache.tomcat.util.threads.ThreadPool 
$ControlRunnable.run(ThreadPool.java:684)
        at java.lang.Thread.run(Thread.java:613)





= = =
Nathan Potter                        ndp at opendap.org
OPeNDAP, Inc.                        541.752.1852


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