YARN-10678. Try blocks without catch blocks in SLS scheduler classes can swallow other exceptions. Contributed by Szilard Nemeth.

hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/scheduler/SLSCapacityScheduler.java

@@ -119,6 +119,9 @@ public class SLSCapacityScheduler extends CapacityScheduler implements
                 containerIds, strings,
                 strings2, updateRequests);
         return allocation;
+      } catch (Exception e) {
+        LOG.error("Caught exception from allocate", e);
+        throw e;
       } finally {
         context.stop();
         schedulerMetrics.increaseSchedulerAllocationCounter();

hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/scheduler/SLSFairScheduler.java

@@ -111,6 +111,9 @@ public class SLSFairScheduler extends FairScheduler
             schedulingRequests, containerIds,
             blacklistAdditions, blacklistRemovals, updateRequests);
         return allocation;
+      } catch (Exception e) {
+        LOG.error("Caught exception from allocate", e);
+        throw e;
       } finally {
         context.stop();
         schedulerMetrics.increaseSchedulerAllocationCounter();