When attempting to configure the PXE plugin a Permission Denied exception is thrown even thought the root username and password have been set.

Please see the terminal output:

gbickfor@usurper:~ $ ls .jenkins .hudson
ls: .hudson: No such file or directory
ls: .jenkins: No such file or directory
gbickfor@usurper:~ $ wget http://mirrors.jenkins-ci.org/war/1.414/jenkins.war -O jenkins.war
-2011-06-11 11:09:26- http://mirrors.jenkins-ci.org/war/1.414/jenkins.war
Resolving mirrors.jenkins-ci.org (mirrors.jenkins-ci.org)... 63.246.20.93
Connecting to mirrors.jenkins-ci.org (mirrors.jenkins-ci.org)|63.246.20.93|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 38706896 (37M) [application/java-archive]
Saving to: "jenkins.war"

100%[==================================================================================================>] 38,706,896 2.91M/s in 19s

2011-06-11 11:09:45 (1.97 MB/s) - "jenkins.war" saved [38706896/38706896]

gbickfor@usurper:~ $ java -jar jenkins.war
Running from: /Users/gbickfor/jenkins.war
webroot: $user.home/.jenkins
[Winstone 2011/06/11 11:09:59] - Beginning extraction from war file
hudson home directory: /Users/gbickfor/.jenkins found at: $user.home/.jenkins
[Winstone 2011/06/11 11:10:03] - HTTP Listener started: port=8080
[Winstone 2011/06/11 11:10:03] - AJP13 Listener started: port=8009
Using one-time self-signed certificate
[Winstone 2011/06/11 11:10:03] - Winstone Servlet Engine v0.9.10 running: controlPort=disabled
Jun 11, 2011 11:10:03 AM hudson.model.Hudson$5 onAttained
INFO: Started initialization
Jun 11, 2011 11:10:04 AM hudson.model.Hudson$5 onAttained
INFO: Listed all plugins
Jun 11, 2011 11:10:04 AM hudson.model.Hudson$5 onAttained
INFO: Prepared all plugins
Jun 11, 2011 11:10:04 AM hudson.model.Hudson$5 onAttained
INFO: Started all plugins
Jun 11, 2011 11:10:04 AM hudson.model.Hudson$5 onAttained
INFO: Augmented all extensions
Jun 11, 2011 11:10:04 AM hudson.model.Hudson$5 onAttained
INFO: Loaded all jobs
Jun 11, 2011 11:10:05 AM hudson.model.Hudson$5 onAttained
INFO: Completed initialization
Jun 11, 2011 11:10:05 AM hudson.TcpSlaveAgentListener <init>
INFO: JNLP slave agent listener started on TCP port 51001
Jun 11, 2011 11:10:43 AM hudson.model.DownloadService$Downloadable doPostBack
INFO: Obtained the updated data file for hudson.tasks.Ant.AntInstaller
Jun 11, 2011 11:10:43 AM hudson.model.DownloadService$Downloadable doPostBack
INFO: Obtained the updated data file for hudson.tasks.Maven.MavenInstaller
Jun 11, 2011 11:10:43 AM hudson.model.DownloadService$Downloadable doPostBack
INFO: Obtained the updated data file for hudson.tools.JDKInstaller
Jun 11, 2011 11:10:44 AM hudson.model.UpdateSite doPostBack
INFO: Obtained the latest update center data file for UpdateSource default
Jun 11, 2011 11:10:56 AM hudson.model.UpdateCenter$DownloadJob run
INFO: Starting the installation of PXE Plugin on behalf of anonymous
Jun 11, 2011 11:10:57 AM hudson.model.UpdateCenter$UpdateCenterConfiguration download
INFO: Downloading PXE Plugin
Jun 11, 2011 11:10:57 AM hudson.model.UpdateCenter doSafeRestart
INFO: Scheduling Jenkings reboot
Jun 11, 2011 11:10:58 AM hudson.model.UpdateCenter$DownloadJob run
INFO: Installation successful: PXE Plugin
Jun 11, 2011 11:10:58 AM hudson.model.Hudson$18 run
INFO: Restart in 10 seconds
Jun 11, 2011 11:11:08 AM hudson.model.Hudson$18 run
SEVERE: Restarting VM as requested by anonymous
Jun 11, 2011 11:11:15 AM hudson.PluginWrapper stop
INFO: Stopping cvs
Jun 11, 2011 11:11:15 AM hudson.PluginWrapper stop
INFO: Stopping maven-plugin
Jun 11, 2011 11:11:15 AM hudson.PluginWrapper stop
INFO: Stopping ssh-slaves
Jun 11, 2011 11:11:15 AM hudson.PluginWrapper stop
INFO: Stopping subversion
Running from: /Users/gbickfor/jenkins.war
webroot: $user.home/.jenkins
[Winstone 2011/06/11 11:11:16] - Beginning extraction from war file
hudson home directory: /Users/gbickfor/.jenkins found at: $user.home/.jenkins
Using one-time self-signed certificate
[Winstone 2011/06/11 11:11:17] - HTTP Listener started: port=8080
[Winstone 2011/06/11 11:11:17] - AJP13 Listener started: port=8009
[Winstone 2011/06/11 11:11:18] - Winstone Servlet Engine v0.9.10 running: controlPort=disabled
Jun 11, 2011 11:11:18 AM hudson.model.Hudson$5 onAttained
INFO: Started initialization
Jun 11, 2011 11:11:18 AM hudson.model.Hudson$5 onAttained
INFO: Listed all plugins
Jun 11, 2011 11:11:18 AM hudson.model.Hudson$5 onAttained
INFO: Prepared all plugins
Jun 11, 2011 11:11:19 AM hudson.plugins.pxe.PXE restartPXE
WARNING: Not starting TFTP/ProxyDHCP because Hudson Root URL is not configured
Jun 11, 2011 11:11:19 AM hudson.model.Hudson$5 onAttained
INFO: Started all plugins
Jun 11, 2011 11:11:19 AM hudson.model.Hudson$5 onAttained
INFO: Augmented all extensions
Jun 11, 2011 11:11:19 AM hudson.model.Hudson$5 onAttained
INFO: Loaded all jobs
Jun 11, 2011 11:11:19 AM hudson.model.Hudson$5 onAttained
INFO: Completed initialization
Jun 11, 2011 11:11:19 AM hudson.TcpSlaveAgentListener <init>
INFO: JNLP slave agent listener started on TCP port 51056
Jun 11, 2011 11:12:53 AM hudson.plugins.pxe.PXE restartPXE
INFO: Starting TFTP/ProxyDHCP service
Jun 11, 2011 11:12:53 AM hudson.plugins.pxe.PXEBootProcess call
INFO: Starting a DHCP proxy service
[webapp 2011/06/11 11:12:53] - Error while serving http://localhost:8080/pxe/configSubmit
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:282)
at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:149)
at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:88)
at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:103)
at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:561)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:646)
at org.kohsuke.stapler.MetaClass$12.dispatch(MetaClass.java:373)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:561)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:646)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:477)
at org.kohsuke.stapler.Stapler.service(Stapler.java:159)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:45)
at winstone.ServletConfiguration.execute(ServletConfiguration.java:249)
at winstone.RequestDispatcher.forward(RequestDispatcher.java:335)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:378)
at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:94)
at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:86)
at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)
at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:47)
at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)
at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)
at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)
at winstone.RequestDispatcher.forward(RequestDispatcher.java:333)
at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:244)
at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150)
at java.lang.Thread.run(Thread.java:680)
Caused by: java.net.BindException: Permission denied
at java.net.PlainDatagramSocketImpl.bind0(Native Method)
at java.net.PlainDatagramSocketImpl.bind(PlainDatagramSocketImpl.java:91)
at java.net.DatagramSocket.bind(DatagramSocket.java:372)
at java.net.DatagramSocket.<init>(DatagramSocket.java:211)
at java.net.DatagramSocket.<init>(DatagramSocket.java:262)
at org.jvnet.hudson.proxy_dhcp.ProxyDhcpService.<init>(ProxyDhcpService.java:39)
at org.jvnet.hudson.proxy_dhcp.ProxyDhcpService.<init>(ProxyDhcpService.java:32)
at hudson.plugins.pxe.PXEBootProcess$1.<init>(PXEBootProcess.java:36)
at hudson.plugins.pxe.PXEBootProcess.call(PXEBootProcess.java:36)
at hudson.plugins.pxe.PXEBootProcess.call(PXEBootProcess.java:22)
at hudson.remoting.LocalChannel.call(LocalChannel.java:45)
at hudson.plugins.pxe.PXE.restartPXE(PXE.java:173)
at hudson.plugins.pxe.PXE.doConfigSubmit(PXE.java:266)
... 39 more

[Winstone 2011/06/11 11:12:53] - Untrapped Error in Servlet
java.net.BindException: Permission denied
at java.net.PlainDatagramSocketImpl.bind0(Native Method)
at java.net.PlainDatagramSocketImpl.bind(PlainDatagramSocketImpl.java:91)
at java.net.DatagramSocket.bind(DatagramSocket.java:372)
at java.net.DatagramSocket.<init>(DatagramSocket.java:211)
at java.net.DatagramSocket.<init>(DatagramSocket.java:262)
at org.jvnet.hudson.proxy_dhcp.ProxyDhcpService.<init>(ProxyDhcpService.java:39)
at org.jvnet.hudson.proxy_dhcp.ProxyDhcpService.<init>(ProxyDhcpService.java:32)
at hudson.plugins.pxe.PXEBootProcess$1.<init>(PXEBootProcess.java:36)
at hudson.plugins.pxe.PXEBootProcess.call(PXEBootProcess.java:36)
at hudson.plugins.pxe.PXEBootProcess.call(PXEBootProcess.java:22)
at hudson.remoting.LocalChannel.call(LocalChannel.java:45)
at hudson.plugins.pxe.PXE.restartPXE(PXE.java:173)
at hudson.plugins.pxe.PXE.doConfigSubmit(PXE.java:266)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:282)
at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:149)
at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:88)
at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:103)
at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:561)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:646)
at org.kohsuke.stapler.MetaClass$12.dispatch(MetaClass.java:373)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:561)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:646)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:477)
at org.kohsuke.stapler.Stapler.service(Stapler.java:159)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:45)
at winstone.ServletConfiguration.execute(ServletConfiguration.java:249)
at winstone.RequestDispatcher.forward(RequestDispatcher.java:335)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:378)
at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:94)
at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:86)
at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)
at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:47)
at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)
at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)
at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)
at winstone.RequestDispatcher.forward(RequestDispatcher.java:333)
at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:244)
at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150)
at java.lang.Thread.run(Thread.java:680)