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Jmap error "More than one non-option argument"


Jmap error "More than one non-option argument"

By : jngreenwood
Date : December 02 2020, 10:46 PM
this one helps. Since JDK 9 jmap works only with a live JVM through the Dynamic Attach mechanism.
The 'forced' mode jmap -F was replaced with a separate utility jhsdb.
code :
jhsdb jmap --binaryheap --dumpfile dump.hprof --exe /usr/local/openjdk-11/bin/java --core core.dump.9


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What does the option "-J-d64" of the jmap heap dump utility do?

What does the option "-J-d64" of the jmap heap dump utility do?


By : user3698334
Date : March 29 2020, 07:55 AM
like below fixes the issue The man page says , Snippet of jmap's help message:
code :
λ > jmap 
Usage:
    jmap [option] <pid>
        (to connect to running process)
    jmap [option] <executable <core>
        (to connect to a core file)
    jmap [option] [server_id@]<remote server IP or hostname>
        (to connect to remote debug server)

where <option> is one of:
    <none>               to print same info as Solaris pmap
    -heap                to print java heap summary
    ... stuff ...
    -J<flag>             to pass <flag> directly to the runtime system
λ > java
Usage: java [-options] class [args...]
           (to execute a class)
   or  java [-options] -jar jarfile [args...]
           (to execute a jar file)

where options include:
    -d32          use a 32-bit data model if available
    -d64          use a 64-bit data model if available (implies -server, only for x86_64)
expect returning error "Option requires an argument" when argument given

expect returning error "Option requires an argument" when argument given


By : user2480030
Date : March 29 2020, 07:55 AM
To fix the issue you can do I have this code: , Take out -c when passing the expect script in a here-doc
code :
send "put dirname $0/$2/$3 /var/www/localhost/htdocs/dev1.site.org/$2/$3\r"
#!/bin/sh
if [ "upload" == "$1" ];then
    expect <<END_EXPECT
        set timeout -1
        spawn sftp -i /Users/myuser/.ssh/private.key root@dev.site.org
        expect "sftp>"
        send "put $(dirname $0)/$2/$3 /var/www/localhost/htdocs/dev1.site.org/$2/$3\r"
        expect "%100"
        send "quit\r"
        expect eof
END_EXPECT
elif [ 'download' == "$1" ];then
    expect <<END_EXPECT
        set timeout -1
        spawn sftp login_name@1.2.3.4
        expect "[Pp]assword:"
        send "login_password\r"
        expect "sftp>"
        send "get /remote_path/$2/$3 $(dirname $0)/$2/$3 \r"
        expect "%100"
        send "quit\r"
        expect eof
END_EXPECT
fi
case "$1" in
    upload)
        cmd="put $(dirname $0)/$2/$3 /var/www/localhost/htdocs/dev1.site.org/$2/$3"
        ;;
    download)
        cmd="get /remote_path/$2/$3 $(dirname $0)/$2/$3"
        ;;
esac
echo "$cmd" | sftp -i /Users/myuser/.ssh/private.key root@dev.site.org 
Difference between terms: "option", "argument", and "parameter"?

Difference between terms: "option", "argument", and "parameter"?


By : Áron Fehér
Date : March 29 2020, 07:55 AM
this one helps. A command is split into an array of strings named arguments. Argument 0 is (normally) the command name, argument 1, the first element following the command, and so on. These arguments are sometimes called positional parameters.
code :
$ ls -la /tmp /var/tmp
arg0 = ls
arg1 = -la
arg2 = /tmp
arg3 = /var/tmp
$ ls -la /tmp /var/tmp
option1= -l
option2= -a
$ ls -la /tmp /var/tmp
parameter1= /tmp
parameter2= /var/tmp

$ ls -l -- -a
option1    = -l
parameter1 = -a
$ busybox ls -l
command            = busybox
subcommand         = ls
subcommand option1 = -l

$ git --git-dir=a.git --work-tree=b -C c status -s
command            = git
command option1    = --git-dir=a.git
command option2    = --work-tree=b
command option3    = -C
subcommand         = status
subcommand option1 = -s
How to fix" ERROR-invalid argument/option - 'Live' " in this code?

How to fix" ERROR-invalid argument/option - 'Live' " in this code?


By : user3005902
Date : March 29 2020, 07:55 AM
I hope this helps you . The reason for the error message is that you've used a wrong syntax for the filter expression of tasklist:
tasklist /nh /fi "imagename eq "DesktopHut Live v5.0.0.exe" "
code :
Image Name
=========================
DesktopHut Live v5.0.0.ex
tasklist /fi "imagename eq  DesktopHut Live v5.0.0.exe" /fo csv | find /i "DesktopHut Live v5.0.0.exe" >nul
tasklist /fo csv | find /i "DesktopHut Live v5.0.0.exe" >nul
where is the option of setting longer curl argument list threshold to avoid "Argument list too long" error

where is the option of setting longer curl argument list threshold to avoid "Argument list too long" error


By : James Richmond
Date : March 29 2020, 07:55 AM
seems to work fine The shell code is: #!/bin/sh body="............a lot of thing................"; curl -Ss -d"${body}" "xx.xx.com" , Store your body data in a file. and use
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