HDDS-7284. JVM crash for rocksdb for read/write after close

hadoop-hdds/container-service/src/test/java/org/apache/hadoop/ozone/container/common/TestSchemaOneBackwardsCompatibility.java

@@ -160,7 +160,7 @@ private void assertTableIteratorUnsupported(Table<?, ?> table) {
       table.iterator();
       Assert.fail("Table iterator should have thrown " +
               "UnsupportedOperationException.");
-    } catch (UnsupportedOperationException ex) {
+    } catch (IOException | UnsupportedOperationException ex) {
       // Exception thrown as expected.
     }
   }

hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/scm/metadata/SCMMetadataStore.java

@@ -127,8 +127,10 @@ public interface SCMMetadataStore extends DBStoreHAManager {
    *
    * @param certType - CertType.
    * @return Iterator<X509Certificate>
+   * @throws IOException on failure.
    */
-  TableIterator getAllCerts(CertificateStore.CertType certType);
+  TableIterator getAllCerts(CertificateStore.CertType certType)
+      throws IOException;
 
   /**
    * A Table that maintains all the pipeline information.

hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/utils/db/RDBTable.java

@@ -157,12 +157,14 @@ public void deleteWithBatch(BatchOperation batch, byte[] key)
   }
 
   @Override
-  public TableIterator<byte[], ByteArrayKeyValue> iterator() {
+  public TableIterator<byte[], ByteArrayKeyValue> iterator()
+      throws IOException {
     return new RDBStoreIterator(db.newIterator(family, false), this);
   }
 
   @Override
-  public TableIterator<byte[], ByteArrayKeyValue> iterator(byte[] prefix) {
+  public TableIterator<byte[], ByteArrayKeyValue> iterator(byte[] prefix)
+      throws IOException {
     return new RDBStoreIterator(db.newIterator(family, false), this,
         prefix);
   }