1
它說的很多。卡桑德拉2.2.5到3.0.4升級失敗
靜止節點，停止cassandra，將cassandra RPMs從2.2.5升級到3.0.4，然後啓動cassandra。當它回來時：
INFO 13:02:50 Detected version upgrade from 2.2.5 to 3.0.4, snapshotting system keyspace
INFO 13:02:50 Updating topology for all endpoints that have changed
Exception (java.lang.RuntimeException) encountered during startup: org.codehaus.jackson.JsonParseException: Unexpected character ('K' (code 75)): expected a valid value (numbe
r, String, array, object, 'true', 'false' or 'null')
at [Source: [email protected]; line: 1, column: 2]
java.lang.RuntimeException: org.codehaus.jackson.JsonParseException: Unexpected character ('K' (code 75)): expected a valid value (number, String, array, object, 'true', 'fals
e' or 'null')
at [Source: [email protected]; line: 1, column: 2]
at org.apache.cassandra.utils.FBUtilities.fromJsonMap(FBUtilities.java:561)
at org.apache.cassandra.schema.LegacySchemaMigrator.decodeTableParams(LegacySchemaMigrator.java:381)
at org.apache.cassandra.schema.LegacySchemaMigrator.decodeTableMetadata(LegacySchemaMigrator.java:363)
at org.apache.cassandra.schema.LegacySchemaMigrator.readTableMetadata(LegacySchemaMigrator.java:273)
at org.apache.cassandra.schema.LegacySchemaMigrator.readTable(LegacySchemaMigrator.java:244)
at org.apache.cassandra.schema.LegacySchemaMigrator.lambda$readTables$233(LegacySchemaMigrator.java:237)
at java.util.ArrayList.forEach(ArrayList.java:1249)
at org.apache.cassandra.schema.LegacySchemaMigrator.readTables(LegacySchemaMigrator.java:237)
at org.apache.cassandra.schema.LegacySchemaMigrator.readKeyspace(LegacySchemaMigrator.java:186)
at org.apache.cassandra.schema.LegacySchemaMigrator.lambda$readSchema$230(LegacySchemaMigrator.java:177)
at java.util.ArrayList.forEach(ArrayList.java:1249)
at org.apache.cassandra.schema.LegacySchemaMigrator.readSchema(LegacySchemaMigrator.java:177)
at org.apache.cassandra.schema.LegacySchemaMigrator.migrate(LegacySchemaMigrator.java:77)
at org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:223)
at org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:551)
at org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:679)
並且節點死亡。我很難過。