usage error when trying to run WSI-tool

i get the following usage error when trying to run the WSI tool.
i have the tool installed at the root C:\wsi-test-tools
and i added the WSI tool location to my windows system path.
thanks for your help!

---error---
Running WSI Analyzer for [SoapBinding]
directory: C:\wsi-test-tools\java\bin
command: [cmd.exe, /C, Analyzer, -config, C:\DOCUME~1\username\LOCALS~1\Temp\wsi-analyzer-config32704.xml, -assertionDescription, true]
Usage: java [-options] class [args...]
          (to execute a class)
  or  java [-options] -jar jarfile [args...]
          (to execute a jar file)

where options include:
    -client   to select the "client" VM
    -server   to select the "server" VM
    -hotspot   is a synonym for the "client" VM  [deprecated]
                  The default VM is client.
                 
    -cp
    -classpath
                  A ; separated list of directories, JAR archives,
                  and ZIP archives to search for class files.
    -D=
                  set a system property
    -verbose[:class|gc|jni]
                  enable verbose output
    -version      print product version and exit
    -version:
                  require the specified version to run
    -showversion  print product version and continue
    -jre-restrict-search | -jre-no-restrict-search
                  include/exclude user private JREs in the version search
    -? -help      print this help message
    -X            print help on non-standard options
    -ea[:...|:]
    -enableassertions[:...|:]
                  enable assertions
    -da[:...|:]
    -disableassertions[:...|:]
                  disable assertions
    -esa | -enablesystemassertions
                  enable system assertions
    -dsa | -disablesystemassertions
                  disable system assertions
    -agentlib:[=]
                  load native agent library , e.g. -agentlib:hprof
                    see also, -agentlib:jdwp=help and -agentlib:hprof=help
    -agentpath:[=]
                  load native agent library by full pathname
    -javaagent:[=]
                  load Java programming language agent, see java.lang.instrument
    -splash:
                  show splash screen with specified image