IBM DB2 Manual page 179

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The default is GMT.
WORK_DIR
Modify WORK_DIR to change the default destination for STDOUT and
STDERR output.
_CEE_ENVFILE
Specifies a z/OS UNIX System Services data set that contains some or all
of the settings for environment variables.
Use the _CEE_ENVFILE parameter if the length of environment variable
string causes the total length of the JAVAENV content to exceed 245 bytes,
which is the DB2 limit for the JAVAENV content.
The data set must be variable-length.The format for environment variable
settings in this data set is:
environment-variable-1=setting-1
environment-variable-2=setting-2
...
environment-variable-n=setting-n
You can specify some of your environment variable settings as arguments
of ENVAR and put some of the settings in this data set, or you can put all
of your environment variable settings in this data set.
For example, to use file /u/db291/javasp/jspnolimit.txt for environment
variable settings, specify:
_CEE_ENVFILE=/u/db291/javasp/jspnolimit.txt
USE_LIBJVM_G
Specifies whether the debug version of the JVM is used instead of the
default, non-debug version of the JVM. The debug version of the JVM is in
dynamic link library libjvm_g. If USE_LIBJVM_G is not specified, or its
value is anything other than the capitalized string YES, the non-debug
version of the JVM is used. For example, USE_LIBJVM_G=NO causes the
non-debug version of the JVM to be used.
If USE_LIBJVM_G=YES, the JVMPROPS environment variable must specify
a file that contains JVM startup options. That file must contain the startup
option -Djava.execsuffix=_g.
Specify USE_LIBJVM_G=YES only under the direction of IBM Software
Support.
The following example shows the contents of a JAVAENV data set.
ENVAR("JCC_HOME=/usr/lpp/db2910",
"JAVA_HOME=/usr/lpp/javas14/J1.4.2",
"WORK_DIR=/u/db291/tmp"),
MSGFILE(JSPDEBUG,,,,ENQ)
For information on environment variables that are related to locales, see z/OS
C/C++ Programming Guide.
Related concepts
"WLM address space startup procedure for Java routines" on page 158
"WLM application environment values for Java routines" on page 159
"Techniques for testing a Java routine" on page 179
"Environment variables for the IBM Data Server Driver for JDBC and SQLJ" on
page 415
Related tasks
Chapter 5. Java stored procedures and user-defined functions
163