Github user StephanEwen commented on a diff in the pull request:
https://github.com/apache/flink/pull/3368#discussion_r102431100
--- Diff:
flink-core/src/main/java/org/apache/flink/util/DynamicCodeLoadingException.java
---
@@ -0,0 +1,52 @@
+/*
+ * 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.util;
+
+import org.apache.flink.annotation.Public;
+
+/**
+ * An exception that is thrown if the dynamic instantiation of code fails.
+ *
+ * <p>This exception is supposed to "sum up" the zoo of exceptions
typically thrown around
+ * dynamic code loading and instantiations:
+ *
+ * <pre>{@code
+ * try {
+ * Class.forName(classname).asSubclass(TheType.class).newInstance();
+ * }
+ * catch (ClassNotFoundException | ClassCastException |
InstantiationException | IllegalAccessException e) {
+ * throw new DynamicCodeLoadingException(e);
+ * }
+ * }</pre>
+ */
+@Public
+public class DynamicCodeLoadingException extends FlinkException {
+
+ private static final long serialVersionUID = -25138443817255490L;
+
+ /**
+ * Creates a new exception with the given message and cause
+ *
+ * @param message The exception message
+ * @param cause The exception that caused this exception
+ */
+ public DynamicCodeLoadingException(String message, Throwable cause) {
--- End diff --
There may be other cases for this exception that we do not anticipate, like
for shipping of generated code in bytes that is dynamically converted to
classes (not sure what exceptions that will entail, but probably
`ClassFormatError` and so on).
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