Dear all,
I updated to Hudson build 1.231 Today and no longer able to configure the jobs.
It display the "HTTP 500" error as shown

exception

javax.servlet.ServletException:
org.kohsuke.stapler.NoStaplerConstructorException: Unable to find
hudson/scm/SubversionRepositoryBrowser.stapler. Have you put
@DataBoundConstructor javadoc tag on a constructor?
org.kohsuke.stapler.Stapler.invoke(Stapler.java:449)
org.kohsuke.stapler.MetaClass$9.doDispatch(MetaClass.java:263)
org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:440)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:361)
org.kohsuke.stapler.Stapler.service(Stapler.java:121)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:38)
hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:30)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:52)
hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:28)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:166)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
hudson.security.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:89)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:44)
hudson.security.HudsonFilter.doFilter(HudsonFilter.java:82)

root cause

org.kohsuke.stapler.NoStaplerConstructorException: Unable to find
hudson/scm/SubversionRepositoryBrowser.stapler. Have you put
@DataBoundConstructor javadoc tag on a constructor?
org.kohsuke.stapler.RequestImpl.loadConstructorParamNames(RequestImpl.java:427)
org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:309)
hudson.scm.RepositoryBrowsers.createInstance(RepositoryBrowsers.java:72)
hudson.scm.SubversionSCM$DescriptorImpl.newInstance(SubversionSCM.java:1033)
hudson.scm.SubversionSCM$DescriptorImpl.newInstance(SubversionSCM.java:808)
hudson.scm.SCMS.parseSCM(SCMS.java:37)
hudson.model.AbstractProject.submit(AbstractProject.java:914)
hudson.model.Project.submit(Project.java:150)
hudson.model.FreeStyleProject.submit(FreeStyleProject.java:68)
hudson.model.Job.doConfigSubmit(Job.java:831)
hudson.model.AbstractProject.doConfigSubmit(AbstractProject.java:312)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:597)
org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:103)
org.kohsuke.stapler.Function.bindAndinvoke(Function.java:57)
org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:75)
org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:440)
org.kohsuke.stapler.MetaClass$9.doDispatch(MetaClass.java:263)
org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:30)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:440)
org.kohsuke.stapler.Stapler.invoke(Stapler.java:361)
org.kohsuke.stapler.Stapler.service(Stapler.java:121)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:38)
hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:30)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:52)
hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:28)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:166)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
hudson.security.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:89)
hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:55)
hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:44)
hudson.security.HudsonFilter.doFilter(HudsonFilter.java:82)

Check catalina.out, it shows

at java.lang.Thread.run(Thread.java:619)
EXECUTING: /bin/sh -c cd /home/adbuildtools/tomcat-6.0.16/temp && bzr check
[ERROR]
EXECUTION FAILED
Execution of cmd : check failed with exit code: 127.
Working directory was:
/home/adbuildtools/tomcat-6.0.16/temp
Your Bazaar installation seems to be invalid. Consult
'http://bazaar-vcs.org/Installation'
Python version: 2.3.4 (May be INVALID)
Bazaar version: NA (May be INVALID)
Paramiko installed: true (For remote access eg. sftp)
cCrypt installed: true (For remote access eg. sftp)
cElementTree installed: true (Not mandatory).
Please advise that we are not using Bazaar as the source management tool.

Please help!
Best Regards,
Hai