Mar 22, 2010 · I am trying to run a Java program, but it is taking a default GMT timezone instead of an OS defined timezone. My JDK version is 1.5 and the OS is Windows Server Enterprise (2007) Windows has a Cen...

When passing a -D parameter in Java, what is the proper way of writing the command-line and then accessing it from code? For example, I have tried writing something like this...

From the JVM™ Tool Interface documentation… Since the command-line cannot always be accessed or modified, for example in embedded VMs or simply VMs launched deep within scripts, a JAVA_TOOL_OPTIONS variable is provided so that agents may be launched in these cases. By setting the (Windows) environment variable JAVA_TOOL_OPTIONS to -Dfile.encoding=UTF8, …

Aug 14, 2011 · What's the difference between system properties System.getProperties () and environment variables System.getenv () in a JVM?

Mar 23, 2019 · java version "1.6.0_24" so with -server most of the memory limits and initial allocations are much higher for this java version. These values can change for different combinations of architecture, operating system and jvm version however. Recent versions of the jvm have removed flags and re-moved many of the distinctions between server and client.

JVM Settings: -Xms8192M -Xmx8192M -XX:NewRatio=1 -XX:SurvivorRatio=6 -XX:MetaspaceSize=256M -XX:MaxMetaspaceSize=512M Output of jstat is S0C S1C S0U S1U EC EU OC ...

Aug 10, 2021 · For Java SE 5: According to Garbage Collector Ergonomics [Oracle]: initial heap size: Larger of 1/64th of the machine's physical memory on the machine or some reasonable minimum. Before J2SE 5.0, the default initial heap size was a reasonable minimum, which varies by platform. You can override this default using the -Xms command-line option.

Apr 17, 2019 · I know there's some JAVA_OPTS to set to remotely debug a Java program. What are they and what do they mean ?

Use cli utility keytool from java software distribution for import (and trust!) needed certificates Sample: From cli change dir to jre\bin Check keystore (file found in jre\bin directory) keytool -list -keystore ..\lib\security\cacerts Enter keystore password: changeit Download and save all certificates chain from needed server.

Jul 21, 2009 · How do I redirect verbose garbage collection output to a file? Sun’s website shows an example for Unix but it doesn't work for Windows.