id,summary,reporter,owner,description,type,status,priority,component,severity,resolution,keywords,cc,release 463,graphviz plugin problem,izghitu@…,Peter Kropf,"Hello, I have 2 Fedora Core 4 servers with python-2.4.1-2 I installed the graphviz plugin for trac (I have trac 0.9.5) On the first server everything went smooth without any problems. However on the second server after doing everything just like on the first one I get this error when trying to use graphviz: {{{ Trac detected an internal error: [Errno 32] Broken pipe Python traceback Traceback (most recent call last): File ""/usr/lib/python2.4/site-packages/trac/web/cgi_frontend.py"", line 130, in run dispatch_request(req.path_info, req, env) File ""/usr/lib/python2.4/site-packages/trac/web/main.py"", line 139, in dispatch_request dispatcher.dispatch(req) File ""/usr/lib/python2.4/site-packages/trac/web/main.py"", line 107, in dispatch resp = chosen_handler.process_request(req) File ""/usr/lib/python2.4/site-packages/trac/wiki/web_ui.py"", line 92, in process_request self._render_editor(req, db, page, preview=True) File ""/usr/lib/python2.4/site-packages/trac/wiki/web_ui.py"", line 311, in _render_editor infopage_html? = wiki_to_html(page.text, self.env, req, db) File ""/usr/lib/python2.4/site-packages/trac/wiki/formatter.py"", line 747, in wiki_to_html Formatter(env, req, absurls, db).format(wikitext, out, escape_newlines) File ""/usr/lib/python2.4/site-packages/trac/wiki/formatter.py"", line 576, in format self.handle_code_block(line) File ""/usr/lib/python2.4/site-packages/trac/wiki/formatter.py"", line 546, in handle_code_block self.out.write(self.code_processor.process(self.req, self.code_text)) File ""/usr/lib/python2.4/site-packages/trac/wiki/formatter.py"", line 108, in process text = self.processor(req, text) File ""/usr/lib/python2.4/site-packages/trac/wiki/formatter.py"", line 98, in _macro_processor return macro_provider.render_macro(req, self.name, text) File ""/home/trac/scs/plugins/graphviz-0.6.3-py2.4.egg/graphviz/graphviz.py"", line 169, in render_macro File ""/home/trac/scs/plugins/graphviz-0.6.3-py2.4.egg/graphviz/graphviz.py"", line 369, in launch IOError: [Errno 32] Broken pipe }}} Please help Thank you ",defect,closed,normal,GraphvizPlugin,normal,fixed,,,0.9