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April, 26th. 2006:
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JSTACK
Section: JDK Commands (1) Updated: 2023 Index
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NAME
jstack- print Java stack traces of Java threads for a specified Java
process
SYNOPSIS
B]Note:R] This command is experimental and unsupported.
V]jstackR] [I]optionsR]] I]pidR]
- I]optionsR]
-
This represents the V]jstackR] comman-line options.
See B]Options for the jstack CommandR].
- I]pidR]
-
The process ID for which the stack trace is printed.
The process must be a Java process.
To get a list of Java processes running on a machine, use either the
V]psR] command or, if the JVM processes are not running in a
separate docker instance, the B]jpsR] command.
DESCRIPTION
The V]jstackR] command prints Java stack traces of Java threads
for a specified Java process.
For each Java frame, the full class name, method name, byte code index
(BCI), and line number, when available, are printed.
C++ mangled names aren[aq]t demangled.
To demangle C++ names, the output of this command can be piped to
V]c++filtR].
When the specified process is running on a 6-bit JVM, you might need to
specify the V--d64R] option, for example:
V]jstack--d64R] I]pidR].
B]Note:R]
This command is unsupported and might not be available in future
releases of the JDK.
In Windows Systems where the V]dbgeng.dllR] file isn[aq]t
present, the Debugging Tools for Windows must be installed so that these
tools work.
The V]PATHR] environment variable needs to contain the location of
the V]jvm.dllR] that is used by the target process, or the
location from which the core dump file was produced.
OPTIONS FOR THE JSTACK COMMAND
- V-lR]
-
The long listing option prints additional information about locks.
- V-hR] or V-helpR]
-
Prints a help message.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- OPTIONS FOR THE JSTACK COMMAND
-
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