| /* |
| * 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.cassandra.service; |
| |
| import java.io.File; |
| import java.util.Set; |
| |
| import com.google.common.collect.ImmutableSet; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.cassandra.config.DatabaseDescriptor; |
| import org.apache.cassandra.db.DisallowedDirectories; |
| import org.apache.cassandra.db.Keyspace; |
| import org.apache.cassandra.io.*; |
| import org.apache.cassandra.io.sstable.CorruptSSTableException; |
| import org.apache.cassandra.utils.JVMStabilityInspector; |
| |
| public class DefaultFSErrorHandler implements FSErrorHandler |
| { |
| private static final Logger logger = LoggerFactory.getLogger(DefaultFSErrorHandler.class); |
| |
| private static final Set<Class<?>> exceptionsSkippingDataRemoval = ImmutableSet.of(OutOfMemoryError.class); |
| |
| @Override |
| public void handleCorruptSSTable(CorruptSSTableException e) |
| { |
| if (!StorageService.instance.isDaemonSetupCompleted()) |
| handleStartupFSError(e); |
| |
| switch (DatabaseDescriptor.getDiskFailurePolicy()) |
| { |
| case die: |
| case stop_paranoid: |
| // exception not logged here on purpose as it is already logged |
| logger.error("Stopping transports as disk_failure_policy is " + DatabaseDescriptor.getDiskFailurePolicy()); |
| StorageService.instance.stopTransports(); |
| break; |
| } |
| } |
| |
| @Override |
| public void handleFSError(FSError e) |
| { |
| if (!StorageService.instance.isDaemonSetupCompleted()) |
| handleStartupFSError(e); |
| |
| switch (DatabaseDescriptor.getDiskFailurePolicy()) |
| { |
| case die: |
| case stop_paranoid: |
| case stop: |
| // exception not logged here on purpose as it is already logged |
| logger.error("Stopping transports as disk_failure_policy is " + DatabaseDescriptor.getDiskFailurePolicy()); |
| StorageService.instance.stopTransports(); |
| break; |
| case best_effort: |
| |
| // There are a few scenarios where we know that the node will not be able to operate properly. |
| // For those scenarios we want to stop the transports and let the administrators handle the problem. |
| // Those scenarios are: |
| // * All the disks are full |
| // * All the disks for a given keyspace have been marked as unwriteable |
| if (e instanceof FSDiskFullWriteError || e instanceof FSNoDiskAvailableForWriteError) |
| { |
| logger.error("Stopping transports: " + e.getCause().getMessage()); |
| StorageService.instance.stopTransports(); |
| } |
| |
| // for both read and write errors mark the path as unwritable. |
| DisallowedDirectories.maybeMarkUnwritable(e.path); |
| if (e instanceof FSReadError && shouldMaybeRemoveData(e)) |
| { |
| File directory = DisallowedDirectories.maybeMarkUnreadable(e.path); |
| if (directory != null) |
| Keyspace.removeUnreadableSSTables(directory); |
| } |
| break; |
| case ignore: |
| // already logged, so left nothing to do |
| break; |
| default: |
| throw new IllegalStateException(); |
| } |
| } |
| |
| private boolean shouldMaybeRemoveData(Throwable error) |
| { |
| for (Throwable t = error; t != null; t = t.getCause()) |
| { |
| for (Class<?> c : exceptionsSkippingDataRemoval) |
| if (c.isAssignableFrom(t.getClass())) |
| return false; |
| for (Throwable s : t.getSuppressed()) |
| for (Class<?> c : exceptionsSkippingDataRemoval) |
| if (c.isAssignableFrom(s.getClass())) |
| return false; |
| } |
| |
| return true; |
| } |
| |
| private static void handleStartupFSError(Throwable t) |
| { |
| switch (DatabaseDescriptor.getDiskFailurePolicy()) |
| { |
| case stop_paranoid: |
| case stop: |
| case die: |
| logger.error("Exiting forcefully due to file system exception on startup, disk failure policy \"{}\"", |
| DatabaseDescriptor.getDiskFailurePolicy(), |
| t); |
| JVMStabilityInspector.killCurrentJVM(t, true); |
| break; |
| default: |
| break; |
| } |
| } |
| } |