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Installing TOra 1.3.18 & Qt 3.3.5 on CentOS 4.1 (RHEL 4 U1) box running Oracle 10g R2
Perform free download from available mirrors
1.qt-x11-free-3.3.5.tar.gz
2.tora-1.3.18.tar.gz
Configuring tora-1.3.18 with original version of Qt crashes due to absence
of qt-mt library
1. Unpack the Qt archive :
# cd /usr/local
# gunzip qt-x11-free-3.3.5.tar.gz
# tar xvf qt-x11-free-3.3.5.tar
This creates the directory /usr/local/qt-x11-free-3.3.5 containing the
files from the main archive.
Rename qt-x11-free-3.3.5 to qt (or make a symlink):
# mv qt-x11-free-3.3.5 qt
The rest of this file assumes that Qt is installed in /usr/local/qt.
Source in root's bash environment:
QTDIR=/usr/local/qt
PATH=$QTDIR/bin:$PATH
MANPATH=$QTDIR/doc/man:$MANPATH
LD_LIBRARY_PATH=$QTDIR/lib:$LD_LIBRARY_PATH
export QTDIR PATH MANPATH LD_LIBRARY_PATH
# cd /usr/local/qt
# ./configure -thread
# make
At this point Qt Library has been built
Perform Instant Client Install:-
# rpm -Uvh oracle-instantclient-basic-10.2.0.1-1.i386.rpm
# rpm -Uvh oracle-instantclient-devel-10.2.0.1-1.i386.rpm
# rpm -Uvh oracle-instantclient-sqlplus-10.2.0.1-1.i386.rpm
Create orauser:-
# useradd -g oinstall -G dba orauser
# passwd orauser
Login as orauser:-
Orauser's profile
PATH=$PATH:$HOME/bin
export ORACLE_HOME=/u01/app/oracle/product/10.2.0/db_1
LD_LIBRARY_PATH=/usr/lib/oracle/10.2.0.1/client/lib
export TNS_ADMIN=/u01/app/oracle/product/10.2.0/db_1/network/admin
LD_LIBRARY_PATH=/usr/lib:/usr/X11R6/lib:$LD_LIBRARY_PATH
export LD_LIBRARY_PATH
export DISPLAY=:0.0
unset USERNAME
Next:-
[orauser@ServerORCL ~]$ tar xvf tora-1.3.18.tar
[orauser@ServerORCL ~]$ cd tora-1.3.18
[orauser@ServerORCL ~]$./configure --with-qt-dir=/usr/local/qt --with-instant-client
[orauser@ServerORCL ~]$ make
As root:-
# cd ~orauser/tora-1.3.18
# make install
As orauser:-
Add export MALLOC_CHECK_=0 to .bash_profile and relogin.
to avoid crashing like :-
*** glibc detected *** double free or corruption (!prev): 0x09acad08 ***
when running binary /usr/local/tora/bin/tora
Regarding glibc issue :-
The version of glibc provided with CentOS 4.1 performs additional internal sanity checks to prevent and detect data corruption as early as possible. By default, should corruption be detected, a message similar to the following will be displayed on standard error (or logged via syslog if stderr is not open):
*** glibc detected *** double free or corruption: 0x0937d008 ***
By default, the program that generated this error will also be killed; however, this (and whether or not an error message is generated) can be controlled via the MALLOC_CHECK_ environment variable. The following settings are supported:
0 Do not generate an error message, and do not kill the program
1 Generate an error message, but do not kill the program
2 Do not generate an error message, but kill the program
3 Generate an error message and kill the program
Note:
If MALLOC_CHECK_ is explicitly set a value other than 0, this causes glibc to perform more tests that are more extensive than the default, and may impact performance.Should you have a program from a third party ISV that triggers these corruption checks and displays a message, you should file a defect report with the application's vendor, since this indicates a serious bug.
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