It's erroring out trying to load the schema itself, though, which isn't supposed to happen.
On Mon, Aug 22, 2011 at 10:14 PM, Dave Brosius <dbros...@mebigfatguy.com> wrote: > Sure i'll try that, but I'm pretty sure it was creating a column family > without any column meta data (types), then, client.insert'ing a ByteBuffer > that wasn't based on bytes from a String.getBytes call. > > > > On 08/22/2011 11:09 AM, Jonathan Ellis wrote: >> >> Yes, you can blow away both the data and commitlog directories and >> restart, but can you try these first to troubleshoot? >> >> 1. make a copy of the commitlog directory >> 2. downgrade to 0.8 with no other changes, to see if it's something on >> the new read path >> 2a. if 0.8 starts up then we will fix the read code in trunk >> 2b. if 0.8 doesn't start up either, remove the data directory but NOT >> commitlog, and restart. this will cause commitlog to be replayed -- >> with luck whatever is causing the problem is still in there, so if it >> breaks again, we have a reproducible case >> >> Thanks! >> >> On Mon, Aug 22, 2011 at 1:16 AM, Dave Brosius<dbros...@mebigfatguy.com> >> wrote: >>> >>> Greetings, I'm running head from source, and now when i try to start up >>> the >>> database, i get the following exception which causes client connection >>> failures. I'm fine with blowing away the database, just playing, but >>> wanted >>> to know if there is a safe way to do this. >>> >>> Exception encountered during startup. >>> java.lang.RuntimeException: error reading 1 of 3 >>> at >>> >>> org.apache.cassandra.db.columniterator.SimpleSliceReader.computeNext(SimpleSliceReader.java:83) >>> at >>> >>> org.apache.cassandra.db.columniterator.SimpleSliceReader.computeNext(SimpleSliceReader.java:40) >>> at >>> >>> com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140) >>> at >>> >>> com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135) >>> at >>> >>> org.apache.cassandra.db.columniterator.SSTableSliceIterator.hasNext(SSTableSliceIterator.java:107) >>> at >>> >>> org.apache.cassandra.utils.MergeIterator$Candidate.advance(MergeIterator.java:194) >>> at >>> org.apache.cassandra.utils.MergeIterator.<init>(MergeIterator.java:47) >>> at >>> >>> org.apache.cassandra.utils.MergeIterator$ManyToOne.<init>(MergeIterator.java:142) >>> at org.apache.cassandra.utils.MergeIterator.get(MergeIterator.java:66) >>> at >>> >>> org.apache.cassandra.db.filter.QueryFilter.collateColumns(QueryFilter.java:96) >>> at >>> >>> org.apache.cassandra.db.CollationController.collectAllData(CollationController.java:221) >>> at >>> >>> org.apache.cassandra.db.CollationController.getTopLevelColumns(CollationController.java:63) >>> at >>> >>> org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1285) >>> at >>> >>> org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1169) >>> at >>> >>> org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1120) >>> at >>> org.apache.cassandra.db.DefsTable.loadFromStorage(DefsTable.java:83) >>> at >>> >>> org.apache.cassandra.config.DatabaseDescriptor.loadSchemas(DatabaseDescriptor.java:507) >>> at >>> >>> org.apache.cassandra.service.AbstractCassandraDaemon.setup(AbstractCassandraDaemon.java:159) >>> at >>> >>> org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:335) >>> at >>> org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:91) >>> Caused by: java.nio.channels.ClosedChannelException >>> at >>> >>> org.apache.cassandra.io.util.RandomAccessReader.read(RandomAccessReader.java:268) >>> at java.io.RandomAccessFile.readByte(RandomAccessFile.java:589) >>> at >>> >>> org.apache.cassandra.utils.ByteBufferUtil.readShortLength(ByteBufferUtil.java:356) >>> at >>> >>> org.apache.cassandra.utils.ByteBufferUtil.readWithShortLength(ByteBufferUtil.java:367) >>> at >>> >>> org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:87) >>> at >>> >>> org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:82) >>> at >>> >>> org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:72) >>> at >>> >>> org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:36) >>> at >>> >>> org.apache.cassandra.db.columniterator.SimpleSliceReader.computeNext(SimpleSliceReader.java:79) >>> >> >> > > -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com
