curl -v  http://jenkins.bld.cbr.internal.example.com:8080/mercurial/notifyCommit?url=ssh://hg@scm01.dev.cbr.internal.example.com/example-source
*   Trying 192.168.12.1...
* Connected to jenkins.bld.cbr.internal.example.com (192.168.12.1) port 8080 (#0)
> GET /mercurial/notifyCommit?url=ssh://hg@scm01.dev.cbr.internal.example.com/example-source HTTP/1.1
> Host: jenkins.bld.cbr.internal.example.com:8080
> User-Agent: curl/7.43.0
> Accept: */*
> 
< HTTP/1.1 500 Server Error
< Connection: close
< Server: Jetty(9.2.z-SNAPSHOT)
< 
* Closing connection 0

Oct 05, 2016 4:26:47 PM hudson.plugins.mercurial.MercurialStatus handleNotifyCommit
INFO: Scheduling example-source for refresh
Oct 05, 2016 4:26:47 PM org.eclipse.jetty.util.log.JavaUtilLog warn
WARNING: Commit failed
java.io.IOException: Response header too large
	at org.eclipse.jetty.http.HttpGenerator.generateResponse(HttpGenerator.java:402)
	at org.eclipse.jetty.server.HttpConnection$SendCallback.process(HttpConnection.java:655)
	at org.eclipse.jetty.util.IteratingCallback.processing(IteratingCallback.java:246)
	at org.eclipse.jetty.util.IteratingCallback.iterate(IteratingCallback.java:208)
	at org.eclipse.jetty.server.HttpConnection.send(HttpConnection.java:471)
	at org.eclipse.jetty.server.HttpChannel.sendResponse(HttpChannel.java:763)
	at org.eclipse.jetty.server.HttpChannel.write(HttpChannel.java:801)
	at org.eclipse.jetty.server.HttpOutput.write(HttpOutput.java:147)
	at org.eclipse.jetty.server.HttpOutput.write(HttpOutput.java:470)
	at org.eclipse.jetty.server.Iso88591HttpWriter.write(Iso88591HttpWriter.java:47)
	at org.eclipse.jetty.server.HttpWriter.write(HttpWriter.java:71)
	at java.io.Writer.write(Writer.java:157)
	at java.io.PrintWriter.newLine(PrintWriter.java:480)
	at java.io.PrintWriter.println(PrintWriter.java:629)
	at java.io.PrintWriter.println(PrintWriter.java:740)
	at hudson.plugins.mercurial.MercurialStatus$1.generateResponse(MercurialStatus.java:175)
	at org.kohsuke.stapler.HttpResponseRenderer$Default.handleHttpResponse(HttpResponseRenderer.java:124)
	at org.kohsuke.stapler.HttpResponseRenderer$Default.generateResponse(HttpResponseRenderer.java:69)
	at org.kohsuke.stapler.Function.renderResponse(Function.java:119)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:102)
	at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:124)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:58)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
	at org.kohsuke.stapler.MetaClass$11.dispatch(MetaClass.java:380)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:649)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:238)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:135)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:126)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:49)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:171)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
	at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:82)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:553)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
	at org.eclipse.jetty.server.Server.handle(Server.java:499)
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
	at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)
	at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.nio.BufferOverflowException
	at java.nio.Buffer.nextPutIndex(Buffer.java:521)
	at java.nio.HeapByteBuffer.put(HeapByteBuffer.java:169)
	at org.eclipse.jetty.http.HttpGenerator.putSanitisedName(HttpGenerator.java:1052)
	at org.eclipse.jetty.http.HttpGenerator.putTo(HttpGenerator.java:1086)
	at org.eclipse.jetty.http.HttpGenerator.generateHeaders(HttpGenerator.java:705)
	at org.eclipse.jetty.http.HttpGenerator.generateResponse(HttpGenerator.java:387)
	... 64 more