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  1. JDK
  2. JDK-4292618

About description of option "-Xdebug" in Java2 SDK for Solaris Developer's Guide

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: P4
    • Resolution: Won't Fix
    • Affects Version/s: 1.2.1_04
    • Fix Version/s: None
    • Component/s: docs
    • Subcomponent:
    • CPU:
      sparc
    • OS:
      solaris_7

      Description

      You can find the following description about option "-Xdebug" in section "VM-Specific(Non-Standard)Option" of "Java2 SDK for Solaris Developer's Guide":

      Table 4-1. Currently Accepted -X Options
      ----------------------------------------
      -X Lists available options
      -Xbootclasspath[/a|/p]:<path> Sets, appends to, or prepends to boot class path
                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      -Xdebug Sets, appends to, or prepends to boot class path
                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      As above, the two descriptions about both "-Xbootclasspath" and "-Xdebug" are identical sentence.

      I think this sentence about "-Xdebug" is wrong.
      Because when I ececuted 'java -X' command, it printed usage message as below:

      [rie@suzu]java -X
          -Xt turn on instruction tracing
          -Xtm turn on method tracing
          -Xbootclasspath[/a|/p]:<path>
                            set, append to, or prepend to boot class path <-----
          -Xdebug enable remote debugging <--**** Please Look here!!
          -Xnoclassgc disable class garbage collection
          -Xss<size> set maximum native stack size for any thread
          -Xoss<size> set maximum Java stack size for any thread
          -Xms<size> set initial Java heap size
          -Xmx<size> set maximum Java heap size
          -Xrs reduce the use of OS signals
          -Xrunhprof[:help]|[:<option>=<value>, ...]
                            perform heap or cpu profiling
          -Xmaxjitcodesize<size>
                            set the maximum size (in bytes) for the JIT code area
          -Xsqnopause do not pause for user interaction on sigquit
          -Xoptimize Experimental: Spend more time optimizing methods in the JIT (SPARC only)

      The -X options are non-standard and subject to change without notice.
                                            
      [rieko.suzuki@Japan 1999-11-18]

      no writer asigned to cover JTG information
      linda.kaplan@eng 2000-01-10

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            Assignee:
            santhoshla Santhosh La (Inactive)
            Reporter:
            rsuzukisunw Rieko Suzuki (Inactive)
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