Anton Gorbunov created CASSANDRA-6374: -----------------------------------------
Summary: AssertionError for rows with zero columns Key: CASSANDRA-6374 URL: https://issues.apache.org/jira/browse/CASSANDRA-6374 Project: Cassandra Issue Type: Bug Components: Core Reporter: Anton Gorbunov After upgrading from 1.2.5 to 1.2.9 and then to 2.0.2 we've got those exceptions: {code} ERROR [FlushWriter:1] 2013-11-18 16:14:36,305 CassandraDaemon.java (line 187) Exception in thread Thread[FlushWriter:1,5,main] java.lang.AssertionError at org.apache.cassandra.io.sstable.SSTableWriter.rawAppend(SSTableWriter.java:198) at org.apache.cassandra.io.sstable.SSTableWriter.append(SSTableWriter.java:186) at org.apache.cassandra.db.Memtable$FlushRunnable.writeSortedContents(Memtable.java:360) at org.apache.cassandra.db.Memtable$FlushRunnable.runWith(Memtable.java:315) at org.apache.cassandra.io.util.DiskAwareRunnable.runMayThrow(DiskAwareRunnable.java:48) at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:722) {code} Also found similar issue in this thread: http://www.mail-archive.com/user@cassandra.apache.org/msg32875.html There Aaron Morton said that its caused by leaving rows with zero columns - that's exactly what we do in some CFs (using Thrift & Astyanax). -- This message was sent by Atlassian JIRA (v6.1#6144)