Error while attaching textual file to issue report

2012-11-20 17:10:19,870 http-8080-5 ERROR      [500ErrorPage.jsp] Exception caught in 500 page java.lang.IllegalArgumentException: Error parsing media type 'text\plain'
javax.ws.rs.WebApplicationException: java.lang.IllegalArgumentException: Error parsing media type 'text\plain'
        at com.sun.jersey.server.impl.model.HttpHelper.clientError(HttpHelper.java:265)
        at com.sun.jersey.server.impl.model.HttpHelper.getContentType(HttpHelper.java:91)
        at com.sun.jersey.server.impl.model.HttpHelper.getContentType(HttpHelper.java:77)
        at com.sun.jersey.spi.container.ContainerRequest.getMediaType(ContainerRequest.java:637)
        at com.sun.jersey.spi.container.servlet.WebComponent.filterFormParameters(WebComponent.java:832)
        at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:407)
        at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:537)
        at com.atlassian.plugins.rest.module.RestDelegatingServletFilter$JerseyOsgiServletContainer.doFilter(RestDelegatingServletFilter.java:178)
        at com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:795)
        at com.atlassian.plugins.rest.module.RestDelegatingServletFilter.doFilter(RestDelegatingServletFilter.java:73)
        at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.doFilter(DelegatingPluginFilter.java:74)
        at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:42)
        at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:77)
        at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:63)
        at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.doFilter(DelegatingPluginFilter.java:74)
        at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:42)
        at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter$1.doFilter(DelegatingPluginFilter.java:66)
        at com.atlassian.plugins.rest.module.servlet.RestServletUtilsUpdaterFilter.doFilterInternal(RestServletUtilsUpdaterFilter.java:26)
        at com.atlassian.plugins.rest.module.servlet.RestServletUtilsUpdaterFilter.doFilter(RestServletUtilsUpdaterFilter.java:40)
        at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.doFilter(DelegatingPluginFilter.java:74)
        at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:42)
        at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter$1.doFilter(DelegatingPluginFilter.java:66)
        at com.atlassian.applinks.core.rest.context.ContextFilter.doFilter(ContextFilter.java:25)
        at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.doFilter(DelegatingPluginFilter.java:74)
        at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:42)
        at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:77)
        at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:63)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at com.atlassian.jira.web.filters.accesslog.AccessLogFilter.executeRequest(AccessLogFilter.java:103)
        at com.atlassian.jira.web.filters.accesslog.AccessLogFilter.doFilter(AccessLogFilter.java:87)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at com.atlassian.jira.security.xsrf.XsrfTokenAdditionRequestFilter.doFilter(XsrfTokenAdditionRequestFilter.java:54)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:46)
        at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter$1.doFilter(DelegatingPluginFilter.java:66)
        at com.atlassian.labs.remoteapps.modules.permissions.ApiScopingFilter.doFilter(ApiScopingFilter.java:71)
        at com.atlassian.plugin.servlet.filter.DelegatingPluginFilter.doFilter(DelegatingPluginFilter.java:74)
        at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:42)
        at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:77)
        at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:63)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at com.atlassian.seraph.filter.SecurityFilter.doFilter(SecurityFilter.java:234)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at com.atlassian.security.auth.trustedapps.filter.TrustedApplicationsFilter.doFilter(TrustedApplicationsFilter.java:98)


... some more lines ...

Caused by: java.lang.IllegalArgumentException: Error parsing media type 'text\plain'
        at com.sun.jersey.core.impl.provider.header.MediaTypeProvider.fromString(MediaTypeProvider.java:79)
        at com.sun.jersey.core.impl.provider.header.MediaTypeProvider.fromString(MediaTypeProvider.java:53)
        at javax.ws.rs.core.MediaType.valueOf(MediaType.java:119)
        at com.sun.jersey.server.impl.model.HttpHelper.getContentType(HttpHelper.java:89)
        ... 131 more
Caused by: java.text.ParseException: Expected separator '/' instead of '\'
        at com.sun.jersey.core.header.reader.HttpHeaderReader.nextSeparator(HttpHeaderReader.java:117)
        at com.sun.jersey.core.impl.provider.header.MediaTypeProvider.valueOf(MediaTypeProvider.java:90)
        at com.sun.jersey.core.impl.provider.header.MediaTypeProvider.fromString(MediaTypeProvider.java:77)
        ... 134 more