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Tomas Ramanauskas commented on CASSANDRA-10788: ----------------------------------------------- Here is TRACE level logging: {code} TRACE [MemtablePostFlush:1] 2015-12-01 16:47:52,675 ColumnFamilyStore.java:868 - forceFlush requested but everything is clean in schema_columns TRACE [main] 2015-12-01 16:47:52,675 ColumnFamilyStore.java:1563 - Snapshot for Keyspace(name='system') keyspace data file /data/system/schema_columns-296e9c049bec3085827dc17d3df2122a/la-46-big-Data.db created in /data/system/schema_columns-296e9c049bec3085827dc17d3df2122a/snapshots/1448984872341-upgrade-2.2.1-3.0.0 TRACE [main] 2015-12-01 16:47:52,676 ColumnFamilyStore.java:1563 - Snapshot for Keyspace(name='system') keyspace data file /data/system/schema_columns-296e9c049bec3085827dc17d3df2122a/la-45-big-Data.db created in /data/system/schema_columns-296e9c049bec3085827dc17d3df2122a/snapshots/1448984872341-upgrade-2.2.1-3.0.0 TRACE [main] 2015-12-01 16:47:52,676 ColumnFamilyStore.java:1563 - Snapshot for Keyspace(name='system') keyspace data file /data/system/schema_columns-296e9c049bec3085827dc17d3df2122a/la-47-big-Data.db created in /data/system/schema_columns-296e9c049bec3085827dc17d3df2122a/snapshots/1448984872341-upgrade-2.2.1-3.0.0 TRACE [main] 2015-12-01 16:47:52,676 SystemKeyspace.java:1327 - Checking directory /data for old files ERROR [main] 2015-12-01 16:47:52,751 CassandraDaemon.java:702 - Exception encountered during startup java.lang.NullPointerException: null at org.apache.cassandra.io.util.FileUtils.delete(FileUtils.java:374) ~[apache-cassandra-3.0.0.jar:3.0.0] at org.apache.cassandra.db.SystemKeyspace.migrateDataDirs(SystemKeyspace.java:1341) ~[apache-cassandra-3.0.0.jar:3.0.0] at org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:180) [apache-cassandra-3.0.0.jar:3.0.0] at org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:561) [apache-cassandra-3.0.0.jar:3.0.0] at org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:689) [apache-cassandra-3.0.0.jar:3.0.0] {code} It looks like the code is expected legacy files under /data directory but it can't find any and call FileUtils.delete(null). > Upgrade from 2.2.1 to 3.0.0 fails with NullPointerException > ----------------------------------------------------------- > > Key: CASSANDRA-10788 > URL: https://issues.apache.org/jira/browse/CASSANDRA-10788 > Project: Cassandra > Issue Type: Bug > Reporter: Tomas Ramanauskas > > I tried to upgrade Cassandra from 2.2.1 to 3.0.0, however, I get this error > on startup after Cassandra 3.0 software was installed: > ERROR [main] 2015-11-30 15:44:50,164 CassandraDaemon.java:702 - Exception > encountered during startup > java.lang.NullPointerException: null > at org.apache.cassandra.io.util.FileUtils.delete(FileUtils.java:374) > ~[apache-cassandra-3.0.0.jar:3.0.0] > at > org.apache.cassandra.db.SystemKeyspace.migrateDataDirs(SystemKeyspace.java:1341) > ~[apache-cassandra-3.0.0.jar:3.0.0] > at > org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:180) > [apache-cassandra-3.0.0.jar:3.0.0] > at > org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:561) > [apache-cassandra-3.0.0.jar:3.0.0] > at > org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:689) > [apache-cassandra-3.0.0.jar:3.0.0] -- This message was sent by Atlassian JIRA (v6.3.4#6332)