Error uploading maven 2 pom file

I'm getting this error while trying to add a new project using the upload POM option.

Java version: 1.5.0_12
OS name: "linux" version: "2.6.9-42.elsmp" arch: "i386" Family: "unix"

2008-09-24 18:07:31,096 [btpool0-8] INFO interceptor#exceptionLogging - Error ocurred during execution
org.apache.maven.continuum.ContinuumException: Error reading POM
at org.apache.maven.continuum.web.action.AddMavenTwoProjectAction.doExecute(AddMavenTwoProjectAction.java:94)
at org.apache.maven.continuum.web.action.AddMavenProjectAction.execute(AddMavenProjectAction.java:158)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at com.opensymphony.xwork.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:358)
at com.opensymphony.xwork.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:218)
at com.opensymphony.webwork.interceptor.BackgroundProcess$1.run(BackgroundProcess.java:35)
at java.lang.Thread.run(Thread.java:595)
Caused by: java.io.FileNotFoundException: /tmp/Jetty_0_0_0_0_8084_continuum_continuum3c2jpt/upload1f6a6380_11c96626dce_7ff5_00000024.tmp (No such file or directory)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(FileInputStream.java:106)
at java.io.FileInputStream.<init>(FileInputStream.java:66)
at java.io.FileReader.<init>(FileReader.java:41)
at org.apache.maven.continuum.web.action.AddMavenTwoProjectAction.doExecute(AddMavenTwoProjectAction.java:82)
... 9 more