Install, run updates, change default uri, activate changes, receive annoying error.

Reproducable on mac and linux. Cannot run Activate changes after this problem is enoucntered. Downloaded and tried again. Still breaks. installed at least 20 times trying differnent activation sequences. Activagin the config from author breaks magnolia.

2013-02-09 21:18:09,025 ERROR info.magnolia.module.exchangesimple.ExchangeTask : Failed to deactivate content.
info.magnolia.cms.exchange.ExchangeException: Not able to send the activation request http://localhost:8080/magnoliaPublic/.magnolia/activation: no content-type
at info.magnolia.module.exchangesimple.BaseSyndicatorImpl.activate(BaseSyndicatorImpl.java:422)
at info.magnolia.module.exchangesimple.SimpleSyndicator$2.runTask(SimpleSyndicator.java:103)
at info.magnolia.module.exchangesimple.ExchangeTask.run(ExchangeTask.java:75)
at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Thread.java:679)
Caused by: java.net.UnknownServiceException: no content-type
at java.net.URLConnection.getContentHandler(URLConnection.java:1209)
at java.net.URLConnection.getContent(URLConnection.java:706)
at info.magnolia.module.exchangesimple.BaseSyndicatorImpl.activate(BaseSyndicatorImpl.java:411)
... 4 more
2013-02-09 21:18:09,029 ERROR fo.magnolia.module.exchangesimple.SimpleSyndicator: Not able to send the activation request http://localhost:8080/magnoliaPublic/.magnolia/activation: no content-type
info.magnolia.cms.exchange.ExchangeException: Not able to send the activation request http://localhost:8080/magnoliaPublic/.magnolia/activation: no content-type
at info.magnolia.module.exchangesimple.BaseSyndicatorImpl.activate(BaseSyndicatorImpl.java:422)
at info.magnolia.module.exchangesimple.SimpleSyndicator$2.runTask(SimpleSyndicator.java:103)
at info.magnolia.module.exchangesimple.ExchangeTask.run(ExchangeTask.java:75)
at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Thread.java:679)
Caused by: java.net.UnknownServiceException: no content-type
at java.net.URLConnection.getContentHandler(URLConnection.java:1209)
at java.net.URLConnection.getContent(URLConnection.java:706)
at info.magnolia.module.exchangesimple.BaseSyndicatorImpl.activate(BaseSyndicatorImpl.java:411)
... 4 more
2013-02-09 21:18:09,032 ERROR a.module.admininterface.commands.ActivationCommand: can't activate
info.magnolia.cms.exchange.ExchangeException: info.magnolia.cms.exchange.ExchangeException: 1 error detected:
Not able to send the activation request http://localhost:8080/magnoliaPublic/.magnolia/activation: no content-type
at info.magnolia.module.exchangesimple.BaseSyndicatorImpl.activate(BaseSyndicatorImpl.java:349)
at info.magnolia.module.exchangesimple.BaseSyndicatorImpl.activate(BaseSyndicatorImpl.java:273)
at info.magnolia.module.admininterface.commands.ActivationCommand.activateRecursive(ActivationCommand.java:158)
at info.magnolia.module.admininterface.commands.ActivationCommand.activateRecursive(ActivationCommand.java:178)
at info.magnolia.module.admininterface.commands.ActivationCommand.activateBulkUpdate(ActivationCommand.java:139)
at info.magnolia.module.admininterface.commands.ActivationCommand.execute(ActivationCommand.java:96)
at info.magnolia.commands.MgnlCommand.executePooledOrSynchronized(MgnlCommand.java:174)
at info.magnolia.commands.MgnlCommand.execute(MgnlCommand.java:161)
at info.magnolia.cms.servlets.CommandBasedMVCServletHandler.execute(CommandBasedMVCServletHandler.java:96)
at info.magnolia.cms.servlets.MVCServlet.doPost(MVCServlet.java:125)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at info.magnolia.cms.filters.ServletDispatchingFilter.doFilter(ServletDispatchingFilter.java:123)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:91)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:85)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:85)
at info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:67)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:91)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
at info.magnolia.cms.filters.VirtualUriFilter.doFilter(VirtualUriFilter.java:70)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:91)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
at info.magnolia.module.cache.executor.Bypass.processCacheRequest(Bypass.java:58)
at info.magnolia.module.cache.executor.CompositeExecutor.processCacheRequest(CompositeExecutor.java:66)
at info.magnolia.module.cache.filter.CacheFilter.doFilter(CacheFilter.java:153)
at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:61)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
at info.magnolia.cms.i18n.I18nContentSupportFilter.doFilter(I18nContentSupportFilter.java:76)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:91)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
at info.magnolia.cms.filters.RangeSupportFilter.doFilter(RangeSupportFilter.java:86)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:91)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
at info.magnolia.cms.security.BaseSecurityFilter.doFilter(BaseSecurityFilter.java:60)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:91)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
at info.magnolia.cms.security.SecurityCallbackFilter.doFilter(SecurityCallbackFilter.java:86)
at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:61)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
at info.magnolia.cms.security.LogoutFilter.doFilter(LogoutFilter.java:93)
at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:61)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
at info.magnolia.module.templatingkit.filters.SiteMergeFilter.doFilter(SiteMergeFilter.java:99)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:91)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
at info.magnolia.cms.filters.MultiChannelFilter.doFilter(MultiChannelFilter.java:83)
at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:61)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
at info.magnolia.module.cache.filter.GZipFilter.doFilter(GZipFilter.java:75)
at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:61)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:85)
at info.magnolia.cms.security.auth.login.LoginFilter.doFilter(LoginFilter.java:93)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:91)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:85)
at info.magnolia.cms.filters.CosMultipartRequestFilter.doFilter(CosMultipartRequestFilter.java:91)
at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:61)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
at info.magnolia.module.devicedetection.filter.DeviceDetectionFilter.doFilter(DeviceDetectionFilter.java:73)
at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:61)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
at info.magnolia.cms.filters.ContentTypeFilter.doFilter(ContentTypeFilter.java:102)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:91)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
at info.magnolia.cms.filters.ContextFilter.doFilter(ContextFilter.java:131)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:91)
at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
at info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:67)
at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:91)
at info.magnolia.cms.filters.SafeDestroyMgnlFilterWrapper.doFilter(SafeDestroyMgnlFilterWrapper.java:108)
at info.magnolia.cms.filters.MgnlFilterDispatcher.doDispatch(MgnlFilterDispatcher.java:67)
at info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:108)
at info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:94)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:679)
Caused by: info.magnolia.cms.exchange.ExchangeException: 1 error detected:
Not able to send the activation request http://localhost:8080/magnoliaPublic/.magnolia/activation: no content-type
at info.magnolia.module.exchangesimple.SimpleSyndicator.handleErrors(SimpleSyndicator.java:95)
at info.magnolia.module.exchangesimple.SimpleSyndicator.activate(SimpleSyndicator.java:86)
at info.magnolia.module.exchangesimple.BaseSyndicatorImpl.activate(BaseSyndicatorImpl.java:313)
... 86 more
Caused by: java.net.UnknownServiceException: no content-type
at java.net.URLConnection.getContentHandler(URLConnection.java:1209)
at java.net.URLConnection.getContent(URLConnection.java:706)
at info.magnolia.module.exchangesimple.BaseSyndicatorImpl.activate(BaseSyndicatorImpl.java:411)
at info.magnolia.module.exchangesimple.SimpleSyndicator$2.runTask(SimpleSyndicator.java:103)
at info.magnolia.module.exchangesimple.ExchangeTask.run(ExchangeTask.java:75)
at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown Source)
... 1 more