id,summary,reporter,owner,description,type,status,priority,component,severity,resolution,keywords,cc,release
9066,TypeError: execv() argument 1 must be encoded string without NULL bytes_ not str,anonymous,kisielk,my Trac version is 0.12b1 and I use the version [https://bitbucket.org/kisielk/tracmathplugin/get/3400be420ed8.tar.gz https://bitbucket.org/kisielk/tracmathplugin/get/3400be420ed8.tar.gz ] as the solution of the 'show_err' error mentioned in the [ticket:8557 ticket 8557].\r\n\r\nbut there comes the error message \r\n{{{\r\nTrac detected an internal error: \r\nTypeError: execv() argument 1 must be (encoded string without NULL bytes)_ not str\r\n}}}\r\nmy Python Traceback\r\n{{{\r\nFile "/usr/lib/python2.4/site-packages/Trac-0.12b1-py2.4.egg/trac/wiki/templates/wiki_view.html"_ line 58_ in <Expression u'wiki_to_html(context_ text)'>\r\n  <div id="wikipage" py:content="wiki_to_html(context_ text)" />\r\nFile "/usr/lib/python2.4/site-packages/Trac-0.12b1-py2.4.egg/trac/util/compat.py"_ line 83_ in newfunc\r\n  return func_(*(args + fargs)_ **dict(kwargs_ **fkwargs))\r\nFile "/usr/lib/python2.4/site-packages/Trac-0.12b1-py2.4.egg/trac/wiki/formatter.py"_ line 1494_ in format_to_html\r\n  return HtmlFormatter(env_ context_ wikidom).generate(escape_newlines)\r\nFile "/usr/lib/python2.4/site-packages/Trac-0.12b1-py2.4.egg/trac/wiki/formatter.py"_ line 1449_ in generate\r\n  escape_newlines)\r\nFile "/usr/lib/python2.4/site-packages/Trac-0.12b1-py2.4.egg/trac/wiki/formatter.py"_ line 1191_ in format\r\n  self.handle_code_block(line_ block_start_match)\r\nFile "/usr/lib/python2.4/site-packages/Trac-0.12b1-py2.4.egg/trac/wiki/formatter.py"_ line 1086_ in handle_code_block\r\n  processed = self.code_processor.process(code_text)\r\nFile "/usr/lib/python2.4/site-packages/Trac-0.12b1-py2.4.egg/trac/wiki/formatter.py"_ line 304_ in process\r\n  text = self.processor(text)\r\nFile "/usr/lib/python2.4/site-packages/Trac-0.12b1-py2.4.egg/trac/wiki/formatter.py"_ line 291_ in _macro_processor\r\n  text)\r\nFile "build/bdist.linux-i686/egg/tracmath/tracmath.py"_ line 89_ in expand_macroFile "build/bdist.linux-i686/egg/tracmath/tracmath.py"_ line 153_ in _internal_renderFile "/usr/lib/python2.4/subprocess.py"_ line 550_ in __init__\r\n  errread_ errwrite)\r\nFile "/usr/lib/python2.4/subprocess.py"_ line 996_ in _execute_child\r\n  raise child_exception\r\n\r\n}}}\r\n\r\nhow can I solve the problem?\r\n\r\nregards,defect,closed,normal,TracMathPlugin,normal,fixed,TypeError: execv(),,0.12