Maven SCM plugin is not working?

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ok, i have installed the scm tool (although i could find it in the All Downloads section). i am getting the error 54, which according to the documentation, Indicates that one or more of the workspaces that are loaded in the sandbox are unreachable; therefore, the output from the status command does not include the status of all the workspaces in the sandbox.

I dont know why this is happening, because the <scm> tag in the Maven POM looks good to me.

 <scm>
        <developerConnection>scm:jazz:<username>;<password>@https://<serveraddress>/ccm01:Services Sandbox Area Stream Workspace</developerConnection>
    </scm>

I think this is correct way, but while typing this, the idea did occur, am i having problems because in the password, i am using the "@" character?

I was able to get the scm tools (although i could not find in the All download section), and now i am getting the error 54 which acording to the IBM website,
indicates that one or more of the workspaces that are loaded in the sandbox are unreachable; therefore, the output from the status command does not include the status of all the workspaces in the sandbox.

I have this in my POM file
 <scm>
        <developerConnection>scm:jazz:<usernamer>;<password>@https://<servername>/ccm01:Services Sandbox Area Stream Workspace</developerConnection>
    </scm>
    
Now this seams correct to me, but while writting this, and idea came to mind, am i getting this error, because the password contains the "@"  character ?

does this command work on its own from the commandline?

scm list workspaces -u username -P password -r https://localhost:9143/ccm

change username, password and server url

Yes it does, but that is a different way from when using the settings in the POM, and i cannot see my workspace, because this command is not accepting the -m (maximum) parameter

ok, that was dumb of me, using the -m 1000, i can see the workspace that i am looking for, but again, i am suspecting that it is something to do with the POM configuration, i have tried to use <username> in the scm plugin configuration, but i still get 54 error

also executing in the command like the maven does:

Executing: cmd.exe /X /C "scm status --username <username> --password * --wide"

i get this info

Workspace: (1000) "Services Sandbox Area Stream Workspace" <-> (1001) "Services Sandbox Area Stream"
  Component: (1002) "Services Sandbox Area Default Component"
    Baseline: (1003) 1 "Initial Baseline"

i am running out of ideas what could be wrong

looking back at the prior post

scm:jazz:<username>;<password>@https://<serveraddress>;

I'd say it looks like a parser error

scm:jazz:sam;password@something@https://<serveraddress>;
if it is looking for the @
strange to use two different delimiters on the same string.

but I get

Could not log in to https://localhost:9143/ccm/ as user xxx: CRJAZ0124E The user  name or password is invalid.
when the password is wrong

and 
Invalid repository URI: phttps://localhost:9145/ccm
if the repo string is wrong (has part of password as leading chars)

and
Could not log in to https://localhost:9145/ccm as user xxx: CRJAZ2381E Cannot connect to the repository at URL "https://localhost:9145/ccm", make sure that the ...

so I don't see how you get the error 45 yet.
if the url is wrong (bad port number)