Hello, After a 'DROP TABLE' command that returns "errors={}, last_host=127.0.0.1" (like most DROP commands do) from CQLSH with C* 2.1.0-rc2, I stopped C*. And I can not start one node. It says : ERROR 09:18:34 Exception encountered during startup java.lang.NullPointerException: null at org.apache.cassandra.db.Directories.<init>(Directories.java:191) ~[apache-cassandra-2.1.0-rc2.jar:2.1.0-rc2] at org.apache.cassandra.db.ColumnFamilyStore.removeUnfinishedCompactionLeftovers(ColumnFamilyStore.java:553) ~[apache-cassandra-2.1.0-rc2.jar:2.1.0-rc2] at org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:245) [apache-cassandra-2.1.0-rc2.jar:2.1.0-rc2] at org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:455) [apache-cassandra-2.1.0-rc2.jar:2.1.0-rc2] at org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:544) [apache-cassandra-2.1.0-rc2.jar:2.1.0-rc2] java.lang.NullPointerException at org.apache.cassandra.db.Directories.<init>(Directories.java:191) at org.apache.cassandra.db.ColumnFamilyStore.removeUnfinishedCompactionLeftovers(ColumnFamilyStore.java:553) at org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:245) at org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:455) at org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:544) Exception encountered during startup: null
I do not now if it can help. Fabrice LARCHER 2014-07-18 7:23 GMT+02:00 Fabrice Larcher <fabrice.larc...@level5.fr>: > Hello, > > I still experience a similar issue after a 'DROP KEYSPACE' command with C* > 2.1-rc3. Connection to the node may fail after a 'DROP'. > > But I did not see this issue with 2.1-rc1 (-> it seems like to be a > regression brought with 2.1-rc2). > > Fabrice LARCHER > > > 2014-07-17 9:19 GMT+02:00 Benedict Elliott Smith < > belliottsm...@datastax.com>: > > Also https://issues.apache.org/jira/browse/CASSANDRA-7437 and >> https://issues.apache.org/jira/browse/CASSANDRA-7465 for rc3, although >> the CounterCacheKey assertion looks like an independent (though >> comparatively benign) bug I will file a ticket for. >> >> Can you try this against rc3 to see if the problem persists? You may see >> the last exception, but it shouldn't affect the stability of the cluster. >> If either of the other exceptions persist, please file a ticket. >> >> >> On Thu, Jul 17, 2014 at 1:41 AM, Tyler Hobbs <ty...@datastax.com> wrote: >> >>> This looks like https://issues.apache.org/jira/browse/CASSANDRA-6959, >>> but that was fixed for 2.1.0-rc1. >>> >>> Is there any chance you can put together a script to reproduce the issue? >>> >>> >>> On Thu, Jul 10, 2014 at 8:51 AM, Pavel Kogan <pavel.ko...@cortica.com> >>> wrote: >>> >>>> It seems that memtable tries to flush itself to SSTable of not existing >>>> keyspace. I don't know why it is happens, but probably running nodetool >>>> flush before drop should prevent this issue. >>>> >>>> Pavel >>>> >>>> >>>> On Thu, Jul 10, 2014 at 4:09 AM, Fabrice Larcher < >>>> fabrice.larc...@level5.fr> wrote: >>>> >>>>> ​Hello, >>>>> >>>>> I am using the 'development' version 2.1-rc2. >>>>> >>>>> With one node (=localhost), I get timeouts trying to connect to C* >>>>> after running a 'DROP KEYSPACE' command. I have following error messages >>>>> in >>>>> system.log : >>>>> >>>>> INFO [SharedPool-Worker-3] 2014-07-09 16:29:36,578 >>>>> MigrationManager.java:319 - Drop Keyspace 'test_main' >>>>> (...) >>>>> ERROR [MemtableFlushWriter:6] 2014-07-09 16:29:37,178 >>>>> CassandraDaemon.java:166 - Exception in thread >>>>> Thread[MemtableFlushWriter:6,5,main] >>>>> java.lang.RuntimeException: Last written key >>>>> DecoratedKey(91e7f660-076f-11e4-a36d-28d2444c0b1b, >>>>> 52446dde90244ca49789b41671e4ca7c) >= current key >>>>> DecoratedKey(91e7f660-076f-11e4-a36d-28d2444c0b1b, >>>>> 52446dde90244ca49789b41671e4ca7c) writing into >>>>> ./../data/data/test_main/user-911d5360076f11e4812d3d4ba97474ac/test_main-user.user_account-tmp-ka-1-Data.db >>>>> at >>>>> org.apache.cassandra.io.sstable.SSTableWriter.beforeAppend(SSTableWriter.java:172) >>>>> ~[apache-cassandra-2.1.0-rc2.jar:2.1.0-rc2] >>>>> at >>>>> org.apache.cassandra.io.sstable.SSTableWriter.append(SSTableWriter.java:215) >>>>> ~[apache-cassandra-2.1.0-rc2.jar:2.1.0-rc2] >>>>> at >>>>> org.apache.cassandra.db.Memtable$FlushRunnable.writeSortedContents(Memtable.java:351) >>>>> ~[apache-cassandra-2.1.0-rc2.jar:2.1.0-rc2] >>>>> at >>>>> org.apache.cassandra.db.Memtable$FlushRunnable.runWith(Memtable.java:314) >>>>> ~[apache-cassandra-2.1.0-rc2.jar:2.1.0-rc2] >>>>> at >>>>> org.apache.cassandra.io.util.DiskAwareRunnable.runMayThrow(DiskAwareRunnable.java:48) >>>>> ~[apache-cassandra-2.1.0-rc2.jar:2.1.0-rc2] >>>>> at >>>>> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) >>>>> ~[apache-cassandra-2.1.0-rc2.jar:2.1.0-rc2] >>>>> at >>>>> com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:297) >>>>> ~[guava-16.0.jar:na] >>>>> at >>>>> org.apache.cassandra.db.ColumnFamilyStore$Flush.run(ColumnFamilyStore.java:1054) >>>>> ~[apache-cassandra-2.1.0-rc2.jar:2.1.0-rc2] >>>>> at >>>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) >>>>> ~[na:1.7.0_55] >>>>> at >>>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) >>>>> ~[na:1.7.0_55] >>>>> at java.lang.Thread.run(Thread.java:744) ~[na:1.7.0_55] >>>>> >>>>> Then, I can not connect to the Cluster anymore from my app (Java >>>>> Driver 2.1-SNAPSHOT) and got in application logs : >>>>> >>>>> com.datastax.driver.core.exceptions.NoHostAvailableException: All >>>>> host(s) tried for query failed (tried: /127.0.0.1:9042 >>>>> (com.datastax.driver.core.exceptions.DriverException: Timeout during >>>>> read)) >>>>> at >>>>> com.datastax.driver.core.exceptions.NoHostAvailableException.copy(NoHostAvailableException.java:65) >>>>> at >>>>> com.datastax.driver.core.DefaultResultSetFuture.extractCauseFromExecutionException(DefaultResultSetFuture.java:258) >>>>> at >>>>> com.datastax.driver.core.DefaultResultSetFuture.getUninterruptibly(DefaultResultSetFuture.java:174) >>>>> at >>>>> com.datastax.driver.core.AbstractSession.execute(AbstractSession.java:52) >>>>> at >>>>> com.datastax.driver.core.AbstractSession.execute(AbstractSession.java:36) >>>>> (...) >>>>> Caused by: >>>>> com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) >>>>> tried for query failed (tried: /127.0.0.1:9042 >>>>> (com.datastax.driver.core.exceptions.DriverException: Timeout during >>>>> read)) >>>>> at >>>>> com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:103) >>>>> at >>>>> com.datastax.driver.core.RequestHandler$1.run(RequestHandler.java:175) >>>>> at >>>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) >>>>> at >>>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) >>>>> at java.lang.Thread.run(Thread.java:745) >>>>> >>>>> I can still connect through CQLSH but if I run (again) a "DROP >>>>> KEYSPACE" command from CQLSH, I get the following error : >>>>> errors={}, last_host=127.0.0.1 >>>>> >>>>> Now, on a 2 nodes cluster I also have a similar issue but the error's >>>>> stacktrace is different : >>>>> >>>>> From application logs : >>>>> >>>>> 17971 [Cassandra Java Driver worker-2] WARN >>>>> com.datastax.driver.core.Cluster - No schema agreement from live replicas >>>>> after 10000 ms. The schema may not be up to date on some nodes. >>>>> >>>>> From system.log : >>>>> >>>>> INFO [SharedPool-Worker-2] 2014-07-10 09:04:53,434 >>>>> MigrationManager.java:319 - Drop Keyspace 'test_main' >>>>> (...) >>>>> ERROR [MigrationStage:1] 2014-07-10 09:04:56,553 >>>>> CommitLogSegmentManager.java:304 - Failed waiting for a forced recycle of >>>>> in-use commit log segments >>>>> java.lang.AssertionError: null >>>>> at >>>>> org.apache.cassandra.db.commitlog.CommitLogSegmentManager.forceRecycleAll(CommitLogSegmentManager.java:299) >>>>> ~[apache-cassandra-2.1.0-rc2.jar:2.1.0-rc2] >>>>> at >>>>> org.apache.cassandra.db.commitlog.CommitLog.forceRecycleAllSegments(CommitLog.java:160) >>>>> [apache-cassandra-2.1.0-rc2.jar:2.1.0-rc2] >>>>> at >>>>> org.apache.cassandra.db.DefsTables.dropColumnFamily(DefsTables.java:516) >>>>> [apache-cassandra-2.1.0-rc2.jar:2.1.0-rc2] >>>>> at >>>>> org.apache.cassandra.db.DefsTables.mergeColumnFamilies(DefsTables.java:300) >>>>> [apache-cassandra-2.1.0-rc2.jar:2.1.0-rc2] >>>>> at >>>>> org.apache.cassandra.db.DefsTables.mergeSchemaInternal(DefsTables.java:187) >>>>> [apache-cassandra-2.1.0-rc2.jar:2.1.0-rc2] >>>>> at >>>>> org.apache.cassandra.db.DefsTables.mergeSchema(DefsTables.java:164) >>>>> [apache-cassandra-2.1.0-rc2.jar:2.1.0-rc2] >>>>> at >>>>> org.apache.cassandra.service.MigrationManager$2.runMayThrow(MigrationManager.java:393) >>>>> [apache-cassandra-2.1.0-rc2.jar:2.1.0-rc2] >>>>> at >>>>> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) >>>>> [apache-cassandra-2.1.0-rc2.jar:2.1.0-rc2] >>>>> at >>>>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) >>>>> [na:1.7.0_45] >>>>> at java.util.concurrent.FutureTask.run(FutureTask.java:262) >>>>> [na:1.7.0_45] >>>>> at >>>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) >>>>> [na:1.7.0_45] >>>>> at >>>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) >>>>> [na:1.7.0_45] >>>>> at java.lang.Thread.run(Thread.java:744) [na:1.7.0_45] >>>>> >>>>> >>>>> In both cases, I have to restart the C* server, so that I can connect >>>>> again from my application. The connection from CQLSH is still possible but >>>>> some key-space related commands fail. >>>>> >>>>> NB : I also get sometimes the following error on my nodes (I do not >>>>> know if there is any link with the topic) : >>>>> ERROR [CompactionExecutor:62] 2014-07-10 08:49:02,059 >>>>> CassandraDaemon.java:166 - Exception in thread >>>>> Thread[CompactionExecutor:62,1,main] >>>>> java.lang.NullPointerException: null >>>>> at >>>>> org.apache.cassandra.cache.CounterCacheKey.getPathInfo(CounterCacheKey.java:53) >>>>> ~[apache-cassandra-2.1.0-rc2.jar:2.1.0-rc2] >>>>> at >>>>> org.apache.cassandra.cache.AutoSavingCache$Writer.saveCache(AutoSavingCache.java:215) >>>>> ~[apache-cassandra-2.1.0-rc2.jar:2.1.0-rc2] >>>>> at >>>>> org.apache.cassandra.db.compaction.CompactionManager$11.run(CompactionManager.java:1052) >>>>> ~[apache-cassandra-2.1.0-rc2.jar:2.1.0-rc2] >>>>> at >>>>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) >>>>> ~[na:1.7.0_55] >>>>> at java.util.concurrent.FutureTask.run(FutureTask.java:262) >>>>> ~[na:1.7.0_55] >>>>> at >>>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) >>>>> ~[na:1.7.0_55] >>>>> at >>>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) >>>>> [na:1.7.0_55] >>>>> at java.lang.Thread.run(Thread.java:744) [na:1.7.0_55] >>>>> >>>>> It seems to be a bug (is it known ?). Or do you have any clue on how I >>>>> can solve that ? >>>>> >>>>> Thanks for your help >>>>> >>>>> Fabrice >>>>> >>>> >>>> >>> >>> >>> -- >>> Tyler Hobbs >>> DataStax <http://datastax.com/> >>> >> >> >