JINFO(1) JDK Commands JINFO(1)
NAME
jinfo - generate Java configuration information for a specified Java
process
SYNOPSIS
Note: This command is experimental and unsupported.
jinfo [option] pid
option This represents the jinfo command-line options. See Options for
the jinfo Command.
pid The process ID for which the configuration information is to be
printed. The process must be a Java process. To get a list of
Java processes running on a machine, use either the ps command
or, if the JVM processes are not running in a separate docker
instance, the jps command.
DESCRIPTION
The jinfo command prints Java configuration information for a specified
Java process. The configuration information includes Java system prop-
erties and JVM command-line flags. If the specified process is running
on a 64-bit JVM, then you might need to specify the -J-d64 option, for
example:
jinfo -J-d64 -sysprops pid
This command is unsupported and might not be available in future re-
leases of the JDK. In Windows Systems where dbgeng.dll is not present,
the Debugging Tools for Windows must be installed to have these tools
work. The PATH environment variable should contain the location of the
jvm.dll that's used by the target process or the location from which
the core dump file was produced.
OPTIONS FOR THE JINFO COMMAND
Note:
If none of the following options are used, both the command-line flags
and the system property name-value pairs are printed.
-flag name
Prints the name and value of the specified command-line flag.
-flag [+|-]name
Enables or disables the specified Boolean command-line flag.
-flag name=value
Sets the specified command-line flag to the specified value.
-flags Prints command-line flags passed to the JVM.
-sysprops
Prints Java system properties as name-value pairs.
-h or -help
Prints a help message.
JDK 21 2023 JINFO(1)
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