[
https://issues.apache.org/jira/browse/CASSANDRA-18934?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
David Capwell updated CASSANDRA-18934:
--------------------------------------
Bug Category: Parent values: Correctness(12982)Level 1 values:
Unrecoverable Corruption / Loss(13161)
Complexity: Normal
Discovered By: Unit Test
Fix Version/s: 5.0.x
5.x
Severity: Critical
Status: Open (was: Triage Needed)
> Downgrade to 4.1 fails due to schema changes
> --------------------------------------------
>
> Key: CASSANDRA-18934
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18934
> Project: Cassandra
> Issue Type: Bug
> Components: Local/Startup and Shutdown
> Reporter: David Capwell
> Priority: Normal
> Fix For: 5.0.x, 5.x
>
>
> We are required to support 5.0 downgrading to 4.1 as a migration step, but we
> don’t have tests to show this is working… I wrote a quick test to make sure a
> change we needed in Accord wouldn’t block the downgrade and see that we fail
> right now.
> {code}
> ERROR 20:56:39 Exiting due to error while processing commit log during
> initialization.
> org.apache.cassandra.db.commitlog.CommitLogReadHandler$CommitLogReadException:
> Unexpected error deserializing mutation; saved to
> /var/folders/h1/s_3p1x3s3hl0hltbpck67m0h0000gn/T/mutation4184214444767150092dat.
> This may be caused by replaying a mutation against a table with the same
> name but incompatible schema. Exception follows: java.lang.RuntimeException:
> Unknown column compaction_properties during deserialization
> at
> org.apache.cassandra.db.commitlog.CommitLogReader.readMutation(CommitLogReader.java:464)
> at
> org.apache.cassandra.db.commitlog.CommitLogReader.readSection(CommitLogReader.java:397)
> at
> org.apache.cassandra.db.commitlog.CommitLogReader.readCommitLogSegment(CommitLogReader.java:244)
> at
> org.apache.cassandra.db.commitlog.CommitLogReader.readCommitLogSegment(CommitLogReader.java:147)
> at
> org.apache.cassandra.db.commitlog.CommitLogReplayer.replayFiles(CommitLogReplayer.java:191)
> at
> org.apache.cassandra.db.commitlog.CommitLog.recoverFiles(CommitLog.java:223)
> at
> org.apache.cassandra.db.commitlog.CommitLog.recoverSegmentsOnDisk(CommitLog.java:204)
> {code}
> This was caused by a schema change in CASSANDRA-18061
> {code}
> /*
> * 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.distributed.upgrade;
> import java.io.IOException;
> import java.io.File;
> import java.util.concurrent.atomic.AtomicBoolean;
> import org.junit.Test;
> import org.apache.cassandra.distributed.api.IUpgradeableInstance;
> public class DowngradeTest extends UpgradeTestBase
> {
> @Test
> public void test() throws Throwable
> {
> AtomicBoolean first = new AtomicBoolean(true);
> new TestCase()
> .nodes(1)
> .withConfig(c -> {
> if (first.compareAndSet(true, false))
> c.set("storage_compatibility_mode", "CASSANDRA_4");
> })
> .downgradeTo(v41)
> .setup(cluster -> {})
> .runBeforeNodeRestart((cluster, nodeId) -> {
> IUpgradeableInstance inst = cluster.get(nodeId);
> File f = new File((String)
> inst.config().get("commitlog_directory"));
> deleteRecursive(f);
> })
> .runAfterClusterUpgrade(cluster -> {})
> .run();
> }
> private void deleteRecursive(File f)
> {
> if (f.isDirectory())
> {
> File[] children = f.listFiles();
> if (children != null)
> {
> for (File c : children)
> deleteRecursive(c);
> }
> }
> f.delete();
> }
> }
> {code}
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
