CMD 6.5.3. Throws error when upgrading workspace

[Grigoriy Mikhalkin]

I just upgraded Sencha CMD from 6.5.2 to 6.5.3 and trying to upgrade workspace with extjs apps. But when i execute

sencha workspace upgrade

it thows following error

com.sencha.command.environment.PackageEnvironment cannot be cast to com.sencha.command.environment.AppEnvironment

Here is detailed crash report:

Sencha Cmd 6.5.3.6 - Crash report
================================================
An error occurred while executing the following command: workspace upgrade

Diagnostic information:
=======================
                    buildenvironment.dir : /path/to/workspace           
               buildenvironment.load.dir : /path/to/workspace    
                          cmd.config.dir : /path/to/bin/Sencha/Cmd/6.5.3.6              
                                 cmd.dir : /path/to/bin/Sencha/Cmd/6.5.3.6              
              cmd.merge.tool.args.araxis : -wait -merge -3 -a1 {base} {user} {generated} {out}
              cmd.merge.tool.args.kdiff3 : {base} {user} {generated} -o {out}                
             cmd.merge.tool.args.p4merge : {base} {user} {generated} {out}                   
           cmd.merge.tool.args.smartsync : {user} {generated} {base}                         
          cmd.merge.tool.args.sourcegear : --merge --result={out} {user} {base} {generated}  
            cmd.merge.tool.args.tortoise : -base:{base} -theirs:{generated} -mine:{user} -merged:{out}
                              cmd.minver : 3.0.0.0                                           
                            cmd.platform : linux-x64                                         
                     cmd.unicode.escapes : /path/to/bin/Sencha/Cmd/6.5.3.6/unicode-escapes.json
                             cmd.version : 6.5.3.6                                           
                            cmd.web.port : 1841                                              
                       inspector.address : http://localhost:1839/                            
                          repo.local.dir : /path/to/bin/Sencha/Cmd/repo                 
                       shared.sencha.dir : false                                             
        system.java.net.useSystemProxies : true                                              
                          workspace.apps : app1,app2,app3,packages/local/theme-app3-desktop/.sencha/temp/Themer,packages/local/theme-app3-mobile/.sencha/temp/Themer
                        workspace.apps.0 : app1                                           
                        workspace.apps.1 : app2                                           
                        workspace.apps.2 : app3                                            
                        workspace.apps.3 : packages/local/theme-app3-desktop/.sencha/temp/Themer
                        workspace.apps.4 : packages/local/theme-app3-mobile/.sencha/temp/Themer
                   workspace.apps.length : 5                                                 
                     workspace.build.dir : /path/to/workspace/build     
                   workspace.cmd.version : 6.5.3.6                                           
                    workspace.config.dir : /path/to/workspace/.sencha/workspace
                           workspace.dir : /path/to/workspace           
        workspace.frameworks.ext.package : [email protected]                                     
           workspace.frameworks.ext.path : /path/to/workspace/ext       
        workspace.frameworks.ext.version : 6.5.2.463                                         
                  workspace.packages.dir : /path/to/workspace/packages/local,/path/to/workspace/packages
              workspace.packages.extract : /path/to/workspace/packages/remote
                     workspace.theme.dir : /path/to/workspace/packages/local,/path/to/workspace/packages/${args.themeName}

Exception information:
=======================
com.sencha.command.environment.PackageEnvironment cannot be cast to com.sencha.command.environment.AppEnvironment
     at com.sencha.command.workspace.WorkspaceCommands$UpgradeCommand.upgradeApps(WorkspaceCommands.java:269)
     at com.sencha.command.workspace.WorkspaceCommands$UpgradeCommand.execute(WorkspaceCommands.java:257)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
     at java.lang.reflect.Method.invoke(Method.java:498)
     at com.sencha.util.MethodInvoker$Arguments.invoke(MethodInvoker.java:175)
     at com.sencha.cli.Command.dispatch(Command.java:43)
     at com.sencha.command.BasePluginCommands$BasePluginCommand.dispatch(BasePluginCommands.java:289)
     at com.sencha.cli.Commands.dispatch(Commands.java:64)
     at com.sencha.cli.Commands.dispatch(Commands.java:64)
     at com.sencha.command.Sencha.dispatch(Sencha.java:80)
     at com.sencha.command.Sencha.main(Sencha.java:147)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
     at java.lang.reflect.Method.invoke(Method.java:498)
     at com.exe4j.runtime.LauncherEngine.launch(LauncherEngine.java:65)
     at com.install4j.runtime.launcher.UnixLauncher.main(UnixLauncher.java:57)

[Grigoriy Mikhalkin]

Problem was, that in my workspace.json file, "apps" array contained paths to theme packages, like that: "packages/local/theme-mobile/.sencha/temp/Themer".These paths were added automatically, not sure, what for. But, when i removed them, it didn't seem to break anything.