Files, paths and permissions

[Jérôme Duval <je...@regitan.qc.ca>]

I am having a problem creating a file on a remote computer in one of my
servlets when using Tomcat 5.0.24. The folder for the file is on another
computer (called MSI). I know for a fact that the folders and the file
exist, because a test app returns: \\Msi\nouveau dossier\commande.web when I
go through a FileChooser.

Yet these lines of code in my servlet:
	File target = new File("\\\\Msi\\nouveau dossier\\","Commande.web");
	if(!target.exists()) {
		System.out.println("The file doesn't exist!");
	}
	FileWriter fileOutput = new FileWriter(target,true);

produce: The file doesn't exist!

I also get a nice IOException: 2004-07-06 14:00:16
StandardWrapperValve[Telson]: Servlet.service() for servlet Telson threw
exception
java.io.FileNotFoundException: \\Msi\nouveau dossier\Commande.web (Access is
denied)
	at java.io.FileOutputStream.openAppend(Native Method)
	at java.io.FileOutputStream.<init>(Unknown Source)
	at java.io.FileWriter.<init>(Unknown Source)
	at Telson.doPost(Telson.java:39)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
	at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
FilterChain.java:237)
	at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
ain.java:157)
	at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
va:214)
	at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
	at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
	at
org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContext
Valve.java:198)
	at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
va:144)
	at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
	at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
	at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137
)
	at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
	at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117
)
	at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:102)
	at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
	at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
:109)
	at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContex
t.java:104)
	at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
	at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
	at
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
	at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:793)
	at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne
ction(Http11Protocol.java:702)
	at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:571)
	at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
a:644)
	at java.lang.Thread.run(Unknown Source)

So any suggestions on work arounds or config options? I am truly stumped...


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