1JINFO(1) JDK Commands JINFO(1)
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6 jinfo - generate Java configuration information for a specified Java
7 process
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10 Note: This command is experimental and unsupported.
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12 jinfo [option] pid
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14 option This represents the jinfo command-line options. See Options for
15 the jinfo Command.
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17 pid The process ID for which the configuration information is to be
18 printed. The process must be a Java process. To get a list of
19 Java processes running on a machine, use either the ps command
20 or, if the JVM processes are not running in a separate docker
21 instance, the jps command.
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24 The jinfo command prints Java configuration information for a specified
25 Java process. The configuration information includes Java system prop‐
26 erties and JVM command-line flags. If the specified process is running
27 on a 64-bit JVM, then you might need to specify the -J-d64 option, for
28 example:
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30 jinfo -J-d64 -sysprops pid
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32 This command is unsupported and might not be available in future re‐
33 leases of the JDK. In Windows Systems where dbgeng.dll is not present,
34 the Debugging Tools for Windows must be installed to have these tools
35 work. The PATH environment variable should contain the location of the
36 jvm.dll that's used by the target process or the location from which
37 the core dump file was produced.
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40 Note:
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42 If none of the following options are used, both the command-line flags
43 and the system property name-value pairs are printed.
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45 -flag name
46 Prints the name and value of the specified command-line flag.
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48 -flag [+|-]name
49 Enables or disables the specified Boolean command-line flag.
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51 -flag name=value
52 Sets the specified command-line flag to the specified value.
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54 -flags Prints command-line flags passed to the JVM.
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56 -sysprops
57 Prints Java system properties as name-value pairs.
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59 -h or -help
60 Prints a help message.
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64JDK 16 2021 JINFO(1)