查看JDK进程信息的几个命令

• 查看所有参数：

java -XX:+PrintFlagsInitial -version

• 查看有哪些JAVA进程

D:\tsoffice-3.1\office\tsjdk64\bin>jcmd
9296
2724 sun.tools.jcmd.JCmd

• 查看某个JAVA进程的信息

D:\tsoffice-3.1\office\tsjdk64\bin> jinfo -sysprops 9296
Attaching to process ID 9296, please wait...
Debugger attached successfully.
Server compiler detected.
JVM version is 25.292-b233
java.runtime.name = OpenJDK Runtime Environment
java.vm.version = 25.292-b233
sun.boot.library.path = C:\Program Files\Taishan\Office\jdk\bin
java.vendor.url = https://adoptopenjdk.net/
java.vm.vendor = Oracle Corporation
path.separator = ;
file.encoding.pkg = sun.io
java.vm.name = OpenJDK 64-Bit Server VM
sun.os.patch.level =
user.script =
user.country = CN
user.dir = C:\Program Files\Taishan\Office\bin
java.vm.specification.name = Java Virtual Machine Specification
java.runtime.version = 1.8.0-taishan-windows-amd64-2021_04_23_14_35-233
java.awt.graphicsenv = sun.awt.Win32GraphicsEnvironment
os.arch = amd64
java.endorsed.dirs = C:\Program Files\Taishan\Office\jdk\lib\endorsed
line.separator =

java.io.tmpdir = C:\TEMP\
java.vm.specification.vendor = Oracle Corporation
user.variant =
os.name = Windows 10
sun.jnu.encoding = GBK
java.library.path = C:\Program Files\Taishan\Office\bin;C:\Program Files\Taishan\Office\jdk\bin
sun.awt.enableExtraMouseButtons = true
java.specification.name = Java Platform API Specification
java.class.version = 52.0
java.awt.noerasebackground = true
sun.management.compiler = HotSpot 64-Bit Tiered Compilers
os.version = 10.0
user.home = C:\Users\Administrator
user.timezone = Asia/Shanghai
java.awt.printerjob = sun.awt.windows.WPrinterJob
file.encoding = GBK
java.specification.version = 1.8
user.name = Administrator
java.class.path = C:\Program Files\Taishan\Office\bin\TIOffice.jar;
java.vm.specification.version = 1.8
sun.arch.data.model = 64
java.home = C:\Program Files\Taishan\Office\jdk
user.language = zh
java.specification.vendor = Oracle Corporation
awt.toolkit = sun.awt.windows.WToolkit
java.vm.info = mixed mode
java.version = 1.8.0-taishan
java.ext.dirs = C:\Program Files\Taishan\Office\jdk\lib\ext;C:\Windows\Sun\Java\lib\ext
sun.boot.class.path = C:\Program Files\Taishan\Office\jdk\lib\resources.jar;C:\Program Files\Taishan\Office\jdk\lib\rt.jar;C:\Program Files\Taishan\Office\jdk\lib\sunrsasign.jar;C:\Program Files\Taishan\Office\jdk\lib\jsse.jar;C:\Program Files\Taishan\Office\jdk\lib\jce.jar;C:\Program Files\Taishan\Office\jdk\lib\charsets.jar;C:\Program Files\Taishan\Office\jdk\lib\jfr.jar;C:\Program Files\Taishan\Office\jdk\classes
java.vendor = AdoptOpenJdk
file.separator = \
java.vendor.url.bug = https://github.com/AdoptOpenJDK/openjdk-build/issues
sun.io.unicode.encoding = UnicodeLittle
sun.cpu.endian = little
java.java2d.ddlock = true
sun.desktop = windows
java.java2d.noddraw = true
sun.cpu.isalist = amd64