fix front end issues

src/frontend/apiserver/backend/convert.go

@@ -6,6 +6,9 @@ package backend
 #include <stdlib.h>
 #include "client.h"
 #include "val_helpers.h"
+
+// Helper to index into xce_host_alloc_t** (CGO cannot dereference C pointer-to-pointer arrays).
+static xce_host_alloc_t *job_alloc_host(xce_job_alloc_t *a, int i) { return a->allocs[i]; }
 */
 import "C"
 
@@ -63,6 +66,15 @@ func cJobToModel(job *C.xce_job_t) *models.JobInfo {
 		}
 		r.submit = rd
 	}
+	if job.allocs != nil {
+		n := int(job.allocs.nhosts)
+		for i := 0; i < n; i++ {
+			h := C.job_alloc_host(job.allocs, C.int(i))
+			if h != nil && h.host != nil {
+				r.execHosts = append(r.execHosts, C.GoString(h.host))
+			}
+		}
+	}
 	return rawJobToModel(r)
 }