[opencms-dev] Help - Impossible to run OpenCms

[Francis]

I'm using OpenCms 5.0.x on Solaris 8 with Oracle 8 Apache 2 and JBoss 3.2.1

This morning, OpenCms is out and give this error on any pages.

org.apache.jasper.JasperException: tried to access class 
org.apache.oro.text.regex.Perl5MatchResult from class 
org.apache.oro.text.regex.Perl5Matcher
    at 
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:254)
    at 
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
    at 
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
    at 
org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:575)
    at 
org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:498)
    at 
com.opencms.flex.cache.CmsFlexRequestDispatcher.include(CmsFlexRequestDispatcher.java:158)
    at com.opencms.flex.CmsJspLoader.service(CmsJspLoader.java:972)
    at 
com.opencms.flex.cache.CmsFlexRequestDispatcher.include(CmsFlexRequestDispatcher.java:256)

Another application works fine on JBoss and there is no change on the 
server.

Same error after a reboot.

What's wrong?

Francis