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 properties 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
releases 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.