Github user StephanEwen commented on a diff in the pull request:
https://github.com/apache/flink/pull/2903#discussion_r92608715
--- Diff:
flink-runtime/src/test/java/org/apache/flink/runtime/highavailability/ZooKeeperRegistryTest.java
---
@@ -0,0 +1,87 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.flink.runtime.highavailability;
+
+import org.apache.curator.test.TestingServer;
+import org.apache.flink.api.common.JobID;
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.configuration.HighAvailabilityOptions;
+import org.apache.flink.util.TestLogger;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import static org.junit.Assert.*;
+
+public class ZooKeeperRegistryTest extends TestLogger {
+ private TestingServer testingServer;
+
+ private static Logger LOG =
LoggerFactory.getLogger(ZooKeeperRegistryTest.class);
+
+ @Before
+ public void before() {
+ try {
+ testingServer = new TestingServer();
+ } catch (Exception e) {
--- End diff --
I would just add `throws Exception` to the method signature here, rather
than catching and wrapping the exception. Makes error stack traces easier to
read.
As a general rule: I think one should never need to explicitly throw a
`RuntimeException`.
(I know Flink has a few places where it does it, but these are in my
opinion errors from the past, during the time when we were still learning)
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