[GitHub] [incubator-iceberg] jerryshao commented on a change in pull request #406: Throw an exception when using Iceberg with Spark embedded metastore

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jerryshao commented on a change in pull request #406: Throw an exception when using Iceberg with Spark embedded metastore
URL: https://github.com/apache/incubator-iceberg/pull/406#discussion_r318864226
 
 

 ##########
 File path: hive/src/main/java/org/apache/iceberg/hive/HiveClientPool.java
 ##########
 @@ -44,6 +48,13 @@ protected HiveMetaStoreClient newClient()  {
       return new HiveMetaStoreClient(hiveConf);
     } catch (MetaException e) {
       throw new RuntimeMetaException(e, "Failed to connect to Hive Metastore");
+    } catch (Throwable t) {
+      if (t.getMessage().contains("Another instance of Derby may have already booted")) {
+        LOG.error("Failed to start an embedded metastore because embedded Derby supports only one" +
 
 Review comment:
   Sure, I will update it.

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