Apache 2.x fails to start after configuring the RSA Authentication Agent 8.0 for Web for Apache
Originally Published: 2016-04-08
Last Modified: 2026-05-13
Article Number
Applies To
RSA Product/Service Type : Authentication Agent for Web for Apache
RSA Version/Condition: 8.0
Platform : Red Hat Enterprise Linux
O/S Version : 6.x
Issue
[Fri Apr 08 15:30:04.177613 2016] [:error] [pid 4064:tid 140189449340672] (20019)DSO load failed:
/usr/local/apache2/rsawebagent/librsawa_apache.so
Cause
In this example the library is called librsawa_apache.so. The output shows that libxerces-c-3.1.so was not found.
[root@redhat65 rsawebagent]# ldd librsawa_apache.so
linux-vdso.so.1 => (0x00007fff397ff000)
libnsl.so.1 => /lib64/libnsl.so.1 (0x00007f2c9a077000)
libxerces-c-3.1.so => not found
libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f2c99e59000)
libstdc++.so.6 => /usr/lib64/libstdc++.so.6 (0x00007f2c99b53000)
libm.so.6 => /lib64/libm.so.6 (0x00007f2c998cf000)
libc.so.6 => /lib64/libc.so.6 (0x00007f2c9953a000)
/lib64/ld-linux-x86-64.so.2 (0x0000003997a00000)
libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007f2c99324000)
libnsl.so.1 => /lib64/libnsl.so.1 (0x00007f2c9a077000)
libxerces-c-3.1.so => not found
libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f2c99e59000)
libstdc++.so.6 => /usr/lib64/libstdc++.so.6 (0x00007f2c99b53000)
libm.so.6 => /lib64/libm.so.6 (0x00007f2c998cf000)
libc.so.6 => /lib64/libc.so.6 (0x00007f2c9953a000)
/lib64/ld-linux-x86-64.so.2 (0x0000003997a00000)
libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007f2c99324000)
[root@redhat65 rsawebagent]#
Resolution
On page 18 of the RSA Authentication Agent 8.0 for Web for Apache Web Server Installation and Configuration Guide, step 11 states that a Linux environment variable must be set called LD_LIBRARY_PATH.
- Check the LD_LIBRARY_PATH environment variable has been set up correctly so the Apache 2.x web server can locate the library libxerces-c-3.1.so.
The library libxerces-c-3.1.so resides in the <APACHE_HOME>/rsawebagent folder.
- Restart the Apache 2.x web server and review the Apache error log for further messages.
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