Long string in thread title breaks community view

i cant see authors’ avatars and names then:

and it seems there is no difference whether i upload image here as thumbnail or not, and image is not opening when i click on it. And i cant upload other image in the first post with image. I get System error.

*   Status Code: 500
    * Exception Type:
    * Error Message: Internal Server Error
    * Request URI: /community/edit!imagePicker.jspa
    * Stack Trace:
          o com.jivesoftware.community.proxy.ForumMessageProxy.setCreationDate(ForumMessageProxy.java:63)
          o com.jivesoftware.community.action.PostAction.createTempMessage(PostAction.java:1321)
          o com.jivesoftware.community.action.PostAction.getTemporaryForumMessage(PostAction.java:1631)
          o com.jivesoftware.community.action.PostAction.getSessionKey(PostAction.java:1611)
          o com.jivesoftware.community.action.PostAction.loadToSession(PostAction.java:1464)
          o com.jivesoftware.community.action.PostAction.doImagePicker(PostAction.java:794)
          o sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
          o sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
          o sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
          o java.lang.reflect.Method.invoke(Method.java:597)
          o com.opensymphony.xwork.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:358)
          o com.opensymphony.xwork.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:218)
          o com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:192)
          o com.jivesoftware.community.web.webwork.JiveSecurityInterceptor.intercept(JiveSecurityInterceptor.java:32)
          o com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:190)
          o com.jivesoftware.community.web.webwork.FlashInterceptor.intercept(FlashInterceptor.java:40)
          o com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:190)
          o com.opensymphony.xwork.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:88)
          o com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:190)
          o com.opensymphony.xwork.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:115)
          o com.opensymphony.xwork.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)
          o com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:190)
          o com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
          o com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:190)
          o com.jivesoftware.community.web.webwork.JiveObjectLoaderInterceptor.intercept(JiveObjectLoaderInterceptor.java:55)
          o com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:190)
          o com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
          o com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:190)
          o com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
          o com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:190)
          o com.opensymphony.webwork.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:171)
          o com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:190)
          o com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
          o com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:190)
          o com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
          o com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:190)
          o com.opensymphony.xwork.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:151)
          o com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:190)
          o com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
          o com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:190)
          o com.jivesoftware.community.web.webwork.JiveIOCInterceptor.intercept(JiveIOCInterceptor.java:719)
          o com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:190)
          o com.jivesoftware.community.action.LocaleInterceptor.intercept(LocaleInterceptor.java:50)
          o com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:190)
          o com.jivesoftware.community.web.webwork.AuthInterceptor.intercept(AuthInterceptor.java:91)
          o com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:190)
          o com.jivesoftware.community.web.webwork.JiveLoginInterceptor.intercept(JiveLoginInterceptor.java:42)
          o com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:190)
          o com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
          o com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:190)
          o com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
          o com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:190)
          o com.opensymphony.xwork.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:186)
          o com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:190)
          o com.jivesoftware.community.web.webwork.ModuleCheckInterceptor.intercept(ModuleCheckInterceptor.java:49)
          o com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:190)
          o com.opensymphony.xwork.DefaultActionProxy.execute(DefaultActionProxy.java:116)
          o com.opensymphony.webwork.dispatcher.DispatcherUtils.serviceAction(DispatcherUtils.java:225)
          o com.opensymphony.webwork.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:202)
          o com.jivesoftware.community.web.webwork.JiveFilterDispatcher.doFilter(JiveFilterDispatcher.java:53)
          o com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
          o com.jivesoftware.community.web.filter.SetResponseCharacterEncodingFilter.doFilter(SetResponseCharacterEncodingFilter.java:62)
          o com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
          o com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:118)
          o com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:52)
          o com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
          o com.jivesoftware.community.web.JiveActionContextCleanUp.doFilter(JiveActionContextCleanUp.java:46)
          o com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
          o com.jivesoftware.community.web.filter.JiveCompressionFilter.doFilter(JiveCompressionFilter.java:111)
          o com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
          o com.jivesoftware.community.web.filter.SetRequestCharacterEncodingFilter.doFilter(SetRequestCharacterEncodingFilter.java:76)
          o com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
          o org.directwebremoting.servlet.DwrWebContextFilter.doFilter(DwrWebContextFilter.java:91)
          o com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
          o com.jivesoftware.community.web.filter.MaintenanceFilter.doFilter(MaintenanceFilter.java:81)
          o com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
          o com.jivesoftware.community.upgrade.UpgradeFilter.doFilter(UpgradeFilter.java:43)
          o com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
          o com.jivesoftware.base.plugin.PluginFilter.doFilter(PluginFilter.java:77)
          o com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
          o com.jivesoftware.community.web.filter.ApplicationInitializedFilter.doFilter(ApplicationInitializedFilter.java:95)
          o com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
          o com.jivesoftware.base.database.dao.DAOContextCleanUpFilter.doFilter(DAOContextCleanUpFilter.java:32)
          o com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
          o com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:173)
          o com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:229)
          o com.caucho.server.hmux.HmuxRequest.handleRequest(HmuxRequest.java:420)
          o com.caucho.server.port.TcpConnection.run(TcpConnection.java:511)
          o com.caucho.util.ThreadPool.runTasks(ThreadPool.java:520)
          o com.caucho.util.ThreadPool.run(ThreadPool.java:442)
          o java.lang.Thread.run(Thread.java:619)
    * com.jivesoftware.base.UnauthorizedException

UnauthorizedException - another Unauthorized issue?

http://www.igniterealtime.org/community/thread/30372 describes a similar problem.

Yes. Though, as Dawn suggested, this should be reported in Clearspace support forums.