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Message-ID: <16d6c620050607103621a0499e@mail.gmail.com>
Date: Tue, 7 Jun 2005 10:36:10 -0700
From: Martin Cooper <mfncooper@gmail.com>
Reply-To: Martin Cooper <mfncooper@gmail.com>
To: Jakarta Commons Users List <commons-user@jakarta.apache.org>
Subject: Re: [fileupload] Write to disk error
In-Reply-To: <019f01c56b62$03c89050$0200a8c0@wintermute>
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References: <429F69A1.3060906@squadra.com.br>
	 <f8b39ace0506021339d19bf74@mail.gmail.com>
	 <019f01c56b62$03c89050$0200a8c0@wintermute>

On 6/7/05, Luke <luke@lukeshannon.com> wrote:
> Hi;
>=20
> I have the following code:
>=20
> File uploadFull =3D new File(uploadFullDir + fileName);
> myLogger.debug(upLoadFiles.class.getName() + " uploadFull: " +
> uploadFull.toString());
> File uploadThumb =3D new File(thumbDir + fileName);
> myLogger.debug(upLoadFiles.class.getName() + " uploadThumb: " +
> uploadThumb.toString());
> file.write(uploadFull);
> file.write(uploadThumb);
>=20
> The console is producing this error. I don't know why. It is happening on
> the line: file.write(uploadThumb). The directory structure exists. Why wo=
uld
> there be a null pointer?

As the JavaDoc comments explain, write() is only guaranteed to work
once for any given file item.

--
Martin Cooper


> Any ideas?
>=20
> Thanks,
>=20
> Luke
>=20
> 19484 [http-80-Processor25] DEBUG servlet.upLoad.upLoadFiles -
> servlet.upLoad.upLoadFiles Pic directory
> E:\testSite\pictures\atouchofclass\20050101\pics\
> 19484 [http-80-Processor25] DEBUG servlet.upLoad.upLoadFiles -
> servlet.upLoad.upLoadFiles Thumb directory
> E:\testSite\pictures\atouchofclass\20050101\thumbs\
> 19515 [http-80-Processor25] DEBUG servlet.upLoad.upLoadFiles -
> servlet.upLoad.upLoadFiles uploadFull:
> E:\testSite\pictures\atouchofclass\20050101\pics\me_dolphin.jpg
> 19515 [http-80-Processor25] DEBUG servlet.upLoad.upLoadFiles -
> servlet.upLoad.upLoadFiles uploadThumb:
> E:\testSite\pictures\atouchofclass\20050101\thumbs\me_dolphin.jpg
> java.lang.NullPointerException
> at
> org.apache.commons.fileupload.DefaultFileItem.write(DefaultFileItem.java:=
434
> )
> at servlet.upLoad.upLoadFiles.doPost(upLoadFiles.java:89)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applicat=
ion
> FilterChain.java:237)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilte=
rCh
> ain.java:157)
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve=
.ja
> va:214)
> at
> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCon=
tex
> t.java:104)
> at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:52=
0)
> at
> org.apache.catalina.core.StandardContextValve.invokeInternal(StandardCont=
ext
> Valve.java:198)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve=
.ja
> va:152)
> at
> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCon=
tex
> t.java:104)
> at
> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorB=
ase
> .java:540)
> at
> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCon=
tex
> t.java:102)
> at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:52=
0)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:=
137
> )
> at
> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCon=
tex
> t.java:104)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:=
117
> )
> at
> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCon=
tex
> t.java:102)
> at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:52=
0)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.j=
ava
> :109)
> at
> org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveCon=
tex
> t.java:104)
> at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:52=
0)
> 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:799=
)
> at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processCo=
nne
> ction(Http11Protocol.java:705)
> at
> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577=
)
> at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.=
jav
> a:683)
> at java.lang.Thread.run(Thread.java:536)
>=20
>=20
>=20
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>=20
>

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