http://git-wip-us.apache.org/repos/asf/flink/blob/f38bf448/flink-runtime/src/test/java/org/apache/flink/runtime/util/TestingFatalErrorHandler.java
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a/flink-runtime/src/test/java/org/apache/flink/runtime/util/TestingFatalErrorHandler.java
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+/*
+ * 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.util;
+
+import org.apache.flink.runtime.rpc.FatalErrorHandler;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.concurrent.atomic.AtomicReference;
+
+/**
+ * Testing fatal error handler which records the occurred exceptions during
the execution of the
+ * tests. Captured exceptions are thrown as a {@link TestingException}.
+ */
+public class TestingFatalErrorHandler implements FatalErrorHandler {
+ private static final Logger LOG =
LoggerFactory.getLogger(TestingFatalErrorHandler.class);
+ private final AtomicReference<Throwable> atomicThrowable;
+
+ public TestingFatalErrorHandler() {
+ atomicThrowable = new AtomicReference<>(null);
+ }
+
+ public void rethrowError() throws TestingException {
+ Throwable throwable = atomicThrowable.get();
+
+ if (throwable != null) {
+ throw new TestingException(throwable);
+ }
+ }
+
+ public boolean hasExceptionOccurred() {
+ return atomicThrowable.get() != null;
+ }
+
+ public Throwable getException() {
+ return atomicThrowable.get();
+ }
+
+ @Override
+ public void onFatalError(Throwable exception) {
+ LOG.error("OnFatalError:", exception);
+
+ if (!atomicThrowable.compareAndSet(null, exception)) {
+ atomicThrowable.get().addSuppressed(exception);
+ }
+ }
+
+ //------------------------------------------------------------------
+ // static utility classes
+ //------------------------------------------------------------------
+
+ private static final class TestingException extends Exception {
+ public TestingException(String message) {
+ super(message);
+ }
+
+ public TestingException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ public TestingException(Throwable cause) {
+ super(cause);
+ }
+
+ private static final long serialVersionUID =
-4648195335470914498L;
+ }
+}
