zeppelin-interpreter/src/main/java/org/apache/zeppelin/interpreter/InterpreterUtils.java

/**
 * 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.zeppelin.interpreter;

import java.lang.reflect.InvocationTargetException;

/**
 * Interpreter utility functions
 */
public class InterpreterUtils {

  public static String getMostRelevantMessage(Exception ex) {
    if (ex instanceof InvocationTargetException) {
      Throwable cause = ((InvocationTargetException) ex).getCause();
      if (cause != null) {
        return cause.getMessage();
      }
    }
    return ex.getMessage();
  }
}