Fix multiple validation jobs

qiita_db/processing_job.py

@@ -1105,13 +1105,23 @@ def submit(self, parent_job_id=None, dependent_jobs_list=None):
                     # organized into n 'queues' or 'chains', and
                     # will all run simultaneously.
                     for dependent in dependent_jobs_list:
+                        # register dependent job as queued to make qiita
+                        # aware of this child process
+                        dependent._set_status('queued')
+
+                        dep_software = dependent.command.software
+                        dep_job_dir = join(qdb.util.get_work_base_dir(),
+                                           dependent.id)
                         p = Process(target=launcher['function'],
-                                    args=(plugin_env_script,
-                                          plugin_start_script,
+                                    args=(dep_software.environment_script,
+                                          dep_software.start_script,
                                           url,
-                                          self.id,
-                                          job_dir))
+                                          dependent.id,
+                                          dep_job_dir))
                         p.start()
+                        # assign the child process ID as external id to
+                        # the dependent
+                        dependent.external_id = p.pid
             else:
                 error = ("execute_in_process must be defined",
                          "as either true or false")