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From "Bodycombe, Andrew" <andrew.bodyco...@siemens.com>
Subject Tomcat/RMI and Spaces in Filenames
Date Fri, 28 Feb 2003 16:57:46 GMT
I am having a problem with Tomcat 4.1.18 running on Windows NT 4, and JDK
1.4

I have a servlet accessing a remote server via RMI, and the RMI calls fail
with an UnmarshallException, 
but only when the tomcat install directory contains spaces. e.g. C:\Program
Files\Apache Group\Tomcat 4.1\,
the default install directory.

I enclose the stack trace:

java.rmi.ServerException: RemoteException occurred in server thread; nested
exception is:
        java.rmi.UnmarshalException: error unmarshalling arguments; nested
exception is:
        java.net.MalformedURLException: no protocol: Files/Apache
java.rmi.UnmarshalException: error unmarshalling arguments; nested exception
is:
        java.net.MalformedURLException: no protocol: Files/Apache
java.net.MalformedURLException: no protocol: Files/Apache
        at
sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteC
all.java:240)
        at
sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:215)
        at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:117)
        at org.jboss.invocation.jrmp.server.JRMPInvoker_Stub.invoke(Unknown
Source)
        at
org.jboss.invocation.jrmp.interfaces.JRMPInvokerProxy.invoke(JRMPInvokerProx
y.java:128)
        at
org.jboss.invocation.InvokerInterceptor.invoke(InvokerInterceptor.java:108)
        at
org.jboss.proxy.TransactionInterceptor.invoke(TransactionInterceptor.java:73
)
        at
org.jboss.proxy.SecurityInterceptor.invoke(SecurityInterceptor.java:76)
        at
org.jboss.proxy.ejb.HomeInterceptor.invoke(HomeInterceptor.java:185)
        at org.jboss.proxy.ClientContainer.invoke(ClientContainer.java:76)
        at $Proxy0.create(Unknown Source)
        at
uk.co.siemenscomms.eng.j2ee.model.GazetteerManager.getStreet(GazetteerManage
r.java:103)
        at
uk.co.siemenscomms.eng.j2ee.action.MoreDetailsAction.perform(MoreDetailsActi
on.java:90)
        at
org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.ja
va:1786)
        at
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1585)
        at
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:509)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:247)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:193)
        at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:243)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
66)
        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.ja
va:190)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
66)
        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:5
66)
        at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.
java:170)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
64)
        at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170
)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
64)
        at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:468)
        at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5
64)
        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:5
66)
        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(Thread.java:479)


In this case, the servlet is accessing an EJB on a remote machine when the
exception occurs,
but the same happens when accessing an RMI server on the same machine, in a
different VM.

Note the "Files/Apache" text appearing in the exception, which led me to
believe this was a 
problem with the directory name. 

Should tomcat be using a URLEncoder to generate the classpath for the RMI
call?
Or, is this a problem with the sun RMI implementation?
Has anybody noticed anything similar?

This isn't really a serious issue for us right now, we just need to make
sure that tomcat
is installed in a directory containing no whitespace.

Regards,
	Andy

> Andrew Bodycombe
> Software Engineer
> s Communications
> ) mailto:andrew.bodycombe@siemens.com
> & TEL: 780 2186 or externally +44 115 9432186
> "Internet communications are not secure and therefore Siemens
> Communications Limited does not accept legal responsibility for the
> contents of this message. Any views or opinions presented are solely those
> of the author and do not necessarily represent those of Siemens
> Communications Limited unless otherwise specifically stated".
> 
> 

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