NonStop Server for Java 4.2 Programmer's Reference

Configuring a Java Pathway Serverclass
The following is a brief overview of the specific Java requirements for configuring a Java program to run
as a Pathway serverclass. Complete information about the topic is available in the TS/MP System
Management Manual.
The serverclass attributes that have specific Java requirements follow. Typically, the attribute settings
would be put in a configuration file, but the examples here show setting them in the OSS environment.
ARGLIST
The ARGLIST should appear as follows:
-Xabend,class-name[,arguments]
where [,arguments] is an optional, comma-separated list of arguments that are to be passed to
the named serverclass. For example from the OSS prompt, start a PATHMON (process monitor)
named $foo and set the ARGLIST at the PATHCOM prompt:
$gtacl -p pathcom \$foo
PATHCOM .....
=set serverclass ARGLIST -Xabend,MyClass,3000
This is similar to entering java -Xabend MyClass 3000 at an OSS shell prompt. The
-Xabend argument to the java executable causes java to abend instead of exiting with a
non-zero exit code. Pathway servers must abend rather than merely stop when a fatal error occurs,
so that the PATHMON process can restart them. MyClass is the name of the Java class to be
invoked, and "3000" is an argument to the MyClass class.
Note that, in the OSS environment, the dollar sign ($) has special meaning; therefore, the process
name $foo must be preceded by a backslash (\), the escape character.
PROCESSTYPE
Set this attribute to OSS.
ENV
Environment variables are set using the ENV serverclass attribute. For Java use, you must set the
CLASSPATH environment variable so that the Java run-time can find your classes. If you are using
either NonStop Server for Java 1.4.2 versions earlier than the T2766H10^ABV SPR or running
java executable in a location other than the standard location ,/usr/tandem, you must set the
JREHOME environment variable to point to the jre directory.
For example, to set the path to the location of the Java executable, the following set server
command must be entered at the PATHCOM prompt. (However, you would typically type these
commands in a configuration file to be used with PATHCOM.)
$gtacl -p pathcom \$foo
PATHCOM .....
=set server ENV JREHOME=/home/usr1/jdk142/java/jre
Note: If you are using NonStop Server for Java 1.4.2 version T2766H10^ABV or
later, you need not set the JREHOME variable. The standard location for all NonStop