Running java with JAVA_OPTS env variable has no effect
java, jvm-arguments, remote-debugging, shell
Solution
I don't know of any JVM that actually checks the `JAVA_OPTS` environment variable. Usually this is used in scripts which launch the JVM and they usually just add it to the `java` command-line.
The key thing to understand here is that arguments to `java` that come before the `-jar analyse.jar` bit will only affect the JVM and won't be passed along to your program. So, modifying the `java` line in your script to:
java $JAVA_OPTS -jar analyse.jar $*
Should "just work".
Problem
In a shell script, I have set the JAVA_OPTS environment variable (to enable remote debugging and increase memory), and then I execute the jar file as follows: ``` export JAVA_OPTS="-Xdebug -Xrunjdwp:transport=dt_socket,address=8001,server=y,suspend=n -Xms512m -Xmx512m" java -jar analyse.jar $* ``` But it seems there is no effect of the JAVA_OPTS env variable as I cannot connect to remote-debugging and I see no change in memory for the JVM. What could be the problem? PS: I cannot use those settings in the `java -jar analyse.jar $*` command because I process command line arguments in the application.