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Tech Tip : CA Single Sign-On : Web Agent :: Crash : what(): basic_string::_S_construct null not valid

  • 1.  Tech Tip : CA Single Sign-On : Web Agent :: Crash : what(): basic_string::_S_construct null not valid

    Broadcom Employee
    Posted May 10, 2018 03:25 AM

    Issue:

     

    We're running Web Agent on Apache, this one crashes and report the
    error :

    [Tue Mar 27 15:57:33.724447 2018] [authz_core:debug] [pid 19651:tid
    140471483475712] mod_authz_core.c(835): [client 192.168.1.1:57934]
    AH01628: authorization result: granted (no directives)

    [Tue Mar 27 15:57:33.729870 2018] [deflate:debug] [pid 19651:tid
    140471483475712] mod_deflate.c(849): [client 192.168.1.1:57934]
    AH01384: Zlib: Compressed 63249 to 45087 : URL
    /myapplication/login.fcc

    [Tue Mar 27 15:58:12.243075 2018] [reqtimeout:info] [pid 19651:tid
    140471309387520] [client 192.168.1.1:57931] AH01382: Request header
    read timeout

    terminate called after throwing an instance of 'std::logic_error'
    what(): basic_string::_S_construct null not valid

    How can we solve this ?

     

    Environment:

     

    Web Agent 12.52SP1CR08 64bit on Apache 2.4.6 64bit on RedHat 7.2;

     

    Cause:

     

    The code was allowing a null pointer exception where the code is
    trying to clear a list which was empty. The fix will be available to
    Web Agent 12.52SP1CR09

    Serious regression smwa-12.52-sp01-cr08-linux-x86-64
    https://comm.support.ca.com/kb/serious-regression-smwa-12-52-sp01-cr08-linux-x86-64/kb000092947

    Resolution:


    Upgrade the Web Agent to 12.52SP1CR09 to solve the issue.


    KB : KB000095340