Deleting workflow instances stability improved

Steps to reproduce

Workflow delete instance operation failed with a Nullpointer Exception:

```
2018-08-30 18:09:54,205 | WARN | (ServletHandler:628) - /workflow/remove/13484579
java.lang.NullPointerException
at org.opencastproject.workspace.impl.WorkspaceImpl.delete(WorkspaceImpl.java:543)
at org.opencastproject.workflow.impl.WorkflowServiceImpl.removeTempFiles(WorkflowServiceImpl.java:1028)
at org.opencastproject.workflow.impl.WorkflowServiceImpl.remove(WorkflowServiceImpl.java:1067)
at org.opencastproject.workflow.endpoint.WorkflowRestService.remove(WorkflowRestService.java:640)
```

Assignee

Waldemar Smirnow

Reporter

Waldemar Smirnow

Severity

Non Functioning

Tags (folksonomy)

None

Components

Affects versions

Priority

Minor
Configure