diff options
Diffstat (limited to 'sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/HiveSQLException.java')
-rw-r--r-- | sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/HiveSQLException.java | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/HiveSQLException.java b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/HiveSQLException.java new file mode 100644 index 0000000000..1334dde663 --- /dev/null +++ b/sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/HiveSQLException.java @@ -0,0 +1,248 @@ +/** + * 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.hive.service.cli; + +import java.sql.SQLException; +import java.util.ArrayList; +import java.util.List; + +import org.apache.hive.service.cli.thrift.TStatus; +import org.apache.hive.service.cli.thrift.TStatusCode; + +/** + * HiveSQLException. + * + */ +public class HiveSQLException extends SQLException { + + /** + * + */ + private static final long serialVersionUID = -6095254671958748094L; + + /** + * + */ + public HiveSQLException() { + super(); + } + + /** + * @param reason + */ + public HiveSQLException(String reason) { + super(reason); + } + + /** + * @param cause + */ + public HiveSQLException(Throwable cause) { + super(cause); + } + + /** + * @param reason + * @param sqlState + */ + public HiveSQLException(String reason, String sqlState) { + super(reason, sqlState); + } + + /** + * @param reason + * @param cause + */ + public HiveSQLException(String reason, Throwable cause) { + super(reason, cause); + } + + /** + * @param reason + * @param sqlState + * @param vendorCode + */ + public HiveSQLException(String reason, String sqlState, int vendorCode) { + super(reason, sqlState, vendorCode); + } + + /** + * @param reason + * @param sqlState + * @param cause + */ + public HiveSQLException(String reason, String sqlState, Throwable cause) { + super(reason, sqlState, cause); + } + + /** + * @param reason + * @param sqlState + * @param vendorCode + * @param cause + */ + public HiveSQLException(String reason, String sqlState, int vendorCode, Throwable cause) { + super(reason, sqlState, vendorCode, cause); + } + + public HiveSQLException(TStatus status) { + // TODO: set correct vendorCode field + super(status.getErrorMessage(), status.getSqlState(), status.getErrorCode()); + if (status.getInfoMessages() != null) { + initCause(toCause(status.getInfoMessages())); + } + } + + /** + * Converts current object to a {@link TStatus} object + * @return a {@link TStatus} object + */ + public TStatus toTStatus() { + // TODO: convert sqlState, etc. + TStatus tStatus = new TStatus(TStatusCode.ERROR_STATUS); + tStatus.setSqlState(getSQLState()); + tStatus.setErrorCode(getErrorCode()); + tStatus.setErrorMessage(getMessage()); + tStatus.setInfoMessages(toString(this)); + return tStatus; + } + + /** + * Converts the specified {@link Exception} object into a {@link TStatus} object + * @param e a {@link Exception} object + * @return a {@link TStatus} object + */ + public static TStatus toTStatus(Exception e) { + if (e instanceof HiveSQLException) { + return ((HiveSQLException)e).toTStatus(); + } + TStatus tStatus = new TStatus(TStatusCode.ERROR_STATUS); + tStatus.setErrorMessage(e.getMessage()); + tStatus.setInfoMessages(toString(e)); + return tStatus; + } + + /** + * Converts a {@link Throwable} object into a flattened list of texts including its stack trace + * and the stack traces of the nested causes. + * @param ex a {@link Throwable} object + * @return a flattened list of texts including the {@link Throwable} object's stack trace + * and the stack traces of the nested causes. + */ + public static List<String> toString(Throwable ex) { + return toString(ex, null); + } + + private static List<String> toString(Throwable cause, StackTraceElement[] parent) { + StackTraceElement[] trace = cause.getStackTrace(); + int m = trace.length - 1; + if (parent != null) { + int n = parent.length - 1; + while (m >= 0 && n >= 0 && trace[m].equals(parent[n])) { + m--; n--; + } + } + List<String> detail = enroll(cause, trace, m); + cause = cause.getCause(); + if (cause != null) { + detail.addAll(toString(cause, trace)); + } + return detail; + } + + private static List<String> enroll(Throwable ex, StackTraceElement[] trace, int max) { + List<String> details = new ArrayList<String>(); + StringBuilder builder = new StringBuilder(); + builder.append('*').append(ex.getClass().getName()).append(':'); + builder.append(ex.getMessage()).append(':'); + builder.append(trace.length).append(':').append(max); + details.add(builder.toString()); + for (int i = 0; i <= max; i++) { + builder.setLength(0); + builder.append(trace[i].getClassName()).append(':'); + builder.append(trace[i].getMethodName()).append(':'); + String fileName = trace[i].getFileName(); + builder.append(fileName == null ? "" : fileName).append(':'); + builder.append(trace[i].getLineNumber()); + details.add(builder.toString()); + } + return details; + } + + /** + * Converts a flattened list of texts including the stack trace and the stack + * traces of the nested causes into a {@link Throwable} object. + * @param details a flattened list of texts including the stack trace and the stack + * traces of the nested causes + * @return a {@link Throwable} object + */ + public static Throwable toCause(List<String> details) { + return toStackTrace(details, null, 0); + } + + private static Throwable toStackTrace(List<String> details, StackTraceElement[] parent, int index) { + String detail = details.get(index++); + if (!detail.startsWith("*")) { + return null; // should not be happened. ignore remaining + } + int i1 = detail.indexOf(':'); + int i3 = detail.lastIndexOf(':'); + int i2 = detail.substring(0, i3).lastIndexOf(':'); + String exceptionClass = detail.substring(1, i1); + String exceptionMessage = detail.substring(i1 + 1, i2); + Throwable ex = newInstance(exceptionClass, exceptionMessage); + + Integer length = Integer.valueOf(detail.substring(i2 + 1, i3)); + Integer unique = Integer.valueOf(detail.substring(i3 + 1)); + + int i = 0; + StackTraceElement[] trace = new StackTraceElement[length]; + for (; i <= unique; i++) { + detail = details.get(index++); + int j1 = detail.indexOf(':'); + int j3 = detail.lastIndexOf(':'); + int j2 = detail.substring(0, j3).lastIndexOf(':'); + String className = detail.substring(0, j1); + String methodName = detail.substring(j1 + 1, j2); + String fileName = detail.substring(j2 + 1, j3); + if (fileName.isEmpty()) { + fileName = null; + } + int lineNumber = Integer.valueOf(detail.substring(j3 + 1)); + trace[i] = new StackTraceElement(className, methodName, fileName, lineNumber); + } + int common = trace.length - i; + if (common > 0) { + System.arraycopy(parent, parent.length - common, trace, trace.length - common, common); + } + if (details.size() > index) { + ex.initCause(toStackTrace(details, trace, index)); + } + ex.setStackTrace(trace); + return ex; + } + + private static Throwable newInstance(String className, String message) { + try { + return (Throwable)Class.forName(className).getConstructor(String.class).newInstance(message); + } catch (Exception e) { + return new RuntimeException(className + ":" + message); + } + } +} |