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java.io.CharConversionException: isHexDigit	at org.apache.tomcat.util.buf.UDecoder.convert(UDecoder.java:88)	at org.apache.tomcat.util.buf.UDecoder.convert(UDecoder.java:49)	at org.apache.tomcat.util.http.Parameters.urlDecode(Parameters.java:429)	at org.apache.tomcat.util.http.Parameters.processParameters(Parameters.java:412)	at org.apache.tomcat.util.http.Parameters.processParameters(Parameters.java:363)	at org.apache.catalina.connector.Request.parseParameters(Request.java:2562)	at org.apache.catalina.connector.Request.getParameterNames(Request.java:1102)	at org.apache.catalina.connector.Request.getParameterMap(Request.java:1082)	at org.apache.catalina.connector.RequestFacade.getParameterMap(RequestFacade.java:414)	at org.eclipse.birt.report.servlet.BirtSoapMessageDispatcherServlet.doPost(BirtSoapMessageDispatcherServlet.java:196)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)	at org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:327)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)	at org.eclipse.birt.report.servlet.BirtSoapMessageDispatcherServlet.service(BirtSoapMessageDispatcherServlet.java:122)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)