I can't really make sense of this one (appearing in catalina.out). it may be a tomcat issue, but I didn't find anything in this regard.
there are only a few of this type, so it seems to occur sporadically. the line from CocoonServlet (cocoon 2.0.4) involved is: this.cocoon = getCocoon(request.getPathInfo(), request.getParameter(Constants.RELOAD_PARAM)); more specifically, the getParameter() stracktraces are like the following: java.io.CharConversionException: isHexDigit at org.apache.tomcat.util.buf.UDecoder.convert(UDecoder.java:124) at org.apache.tomcat.util.buf.UDecoder.convert(UDecoder.java:87) at org.apache.tomcat.util.http.Parameters.processParameters(Parameters.j ava:407) at org.apache.tomcat.util.http.Parameters.processParameters(Parameters.j ava:495) at org.apache.tomcat.util.http.Parameters.handleQueryParameters(Paramete rs.java:278) at org.apache.coyote.tomcat4.CoyoteRequest.parseRequestParameters(Coyote Request.java:1933) at org.apache.coyote.tomcat4.CoyoteRequest.getParameter(CoyoteRequest.ja va:911) at org.apache.coyote.tomcat4.CoyoteRequestFacade.getParameter(CoyoteRequ estFacade.java:178) at org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:96 3) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl icationFilterChain.java:247) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF ilterChain.java:193) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV alve.java:260) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContex t.invokeNext(StandardPipeline.java:643) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav a:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV alve.java:191) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContex t.invokeNext(StandardPipeline.java:643) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(Authentica torBase.java:493) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContex t.invokeNext(StandardPipeline.java:641) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav a:480) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) at org.apache.catalina.core.StandardContext.invoke(StandardContext.java: 2415) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j ava:180) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContex t.invokeNext(StandardPipeline.java:643) ... anyone? TIA