code: private ReturnCode createDumps(Set<JavaDumpAction> javaDumpActions, boolean introspect, String dumpTimestamp) {
  
          ServerLock serverLock = ServerLock.createTestLock(bootProps);
          ReturnCode dumpRc = ReturnCode.OK;
  
          // The lock file may have been (erroneously) deleted: this can happen on linux
          boolean lockExists = serverLock.lockFileExists();
  
          if (lockExists) {
              if (serverLock.testServerRunning()) {
                  // server is running
                  ServerCommandClient scc = new ServerCommandClient(bootProps);
  
                  if (scc.isValid()) { //check .sCommand exist
                      if (introspect) {
  
                          dumpRc = scc.introspectServer(dumpTimestamp, javaDumpActions);
                      } else {
                          dumpRc = scc.javaDump(javaDumpActions);
                      }
                  } else {
                      // we have a server holding a lock that we can't talk to...
                      // the dump is likely fine.. but we don't know / can't tell
                      dumpRc = ReturnCode.SERVER_UNKNOWN_STATUS;
                  }
              } else {
                  // nope: lock not held, we're not running
                  dumpRc = ReturnCode.SERVER_INACTIVE_STATUS;
              }
          } else {
              // no lock file: we assume the server is not running.
              dumpRc = ReturnCode.SERVER_INACTIVE_STATUS;
          }
  
          return dumpRc;
      }
docs: Run the relevant command for dumping the system
  
  @param javaDumpActions the java dump actions to take place
  @param systemDump      whether this is a full dump (true) or just javadump (false)
  @param dumpTimestamp   the timestamp on the server dump packager of the full dump
  @return the return code from attempting to run the dump