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https://issues.apache.org/jira/browse/CASSANDRA-11490?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15224609#comment-15224609
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Aleksey Yeschenko commented on CASSANDRA-11490:
-----------------------------------------------
bq. Is there an "upgrade roadmap" somewhere which outlines the critical path to
get to 3.x?
Actually, 2.2 isn't even required on the way to 3.0. You can go there directly
from 2.1. But 2.1 itself is a necessary step.
If you want to go from 2.2 to latest 3.0.x, you can just do that. If you want
to get to the latest 3.x, I'd do [latest 2.2.x to latest 3.0.x to latest odd
3.x]. By the end of this week it'd mean [2.2.5 -> 3.0.5 -> 3.5].
> Cannot upgrade from 2.2.5 to 3.0.4
> ----------------------------------
>
> Key: CASSANDRA-11490
> URL: https://issues.apache.org/jira/browse/CASSANDRA-11490
> Project: Cassandra
> Issue Type: Bug
> Reporter: Joshua Knarr
> Assignee: Aleksey Yeschenko
> Priority: Minor
>
> {code}
> INFO [main] 2016-04-04 11:57:31,181 SystemKeyspace.java:1284 - Detected
> version upgrade from 2.2.5 to 3.0.4, snapshotting system keyspace
> ERROR [main] 2016-04-04 11:57:31,650 CassandraDaemon.java:692 - Exception
> encountered during startup
> java.lang.RuntimeException: org.codehaus.jackson.JsonParseException:
> Unexpected character ('K' (code 75)): expected a valid value (number, String,
> array, object, 'true', 'false' or 'null')
> at [Source: java.io.StringReader@3c74247d; line: 1, column: 2]
> at
> org.apache.cassandra.utils.FBUtilities.fromJsonMap(FBUtilities.java:561)
> ~[apache-cassandra-3.0.4.jar:3.0.4]
> at
> org.apache.cassandra.schema.LegacySchemaMigrator.decodeTableParams(LegacySchemaMigrator.java:381)
> ~[apache-cassandra-3.0.4.jar:3.0.4]
> at
> org.apache.cassandra.schema.LegacySchemaMigrator.decodeTableMetadata(LegacySchemaMigrator.java:363)
> ~[apache-cassandra-3.0.4.jar:3.0.4]
> at
> org.apache.cassandra.schema.LegacySchemaMigrator.readTableMetadata(LegacySchemaMigrator.java:273)
> ~[apache-cassandra-3.0.4.jar:3.0.4]
> at
> org.apache.cassandra.schema.LegacySchemaMigrator.readTable(LegacySchemaMigrator.java:244)
> ~[apache-cassandra-3.0.4.jar:3.0.4]
> at
> org.apache.cassandra.schema.LegacySchemaMigrator.lambda$readTables$233(LegacySchemaMigrator.java:237)
> ~[apache-cassandra-3.0.4.jar:3.0.4]
> at java.util.ArrayList.forEach(ArrayList.java:1249) ~[na:1.8.0_77]
> at
> org.apache.cassandra.schema.LegacySchemaMigrator.readTables(LegacySchemaMigrator.java:237)
> ~[apache-cassandra-3.0.4.jar:3.0.4]
> at
> org.apache.cassandra.schema.LegacySchemaMigrator.readKeyspace(LegacySchemaMigrator.java:186)
> ~[apache-cassandra-3.0.4.jar:3.0.4]
> at
> org.apache.cassandra.schema.LegacySchemaMigrator.lambda$readSchema$230(LegacySchemaMigrator.java:177)
> ~[apache-cassandra-3.0.4.jar:3.0.4]
> at java.util.ArrayList.forEach(ArrayList.java:1249) ~[na:1.8.0_77]
> at
> org.apache.cassandra.schema.LegacySchemaMigrator.readSchema(LegacySchemaMigrator.java:177)
> ~[apache-cassandra-3.0.4.jar:3.0.4]
> at
> org.apache.cassandra.schema.LegacySchemaMigrator.migrate(LegacySchemaMigrator.java:77)
> ~[apache-cassandra-3.0.4.jar:3.0.4]
> at
> org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:223)
> [apache-cassandra-3.0.4.jar:3.0.4]
> at
> org.apache.cassandra.service.CassandraDaemon.activate(CassandraDaemon.java:551)
> [apache-cassandra-3.0.4.jar:3.0.4]
> at
> org.apache.cassandra.service.CassandraDaemon.main(CassandraDaemon.java:679)
> [apache-cassandra-3.0.4.jar:3.0.4]
> Caused by: org.codehaus.jackson.JsonParseException: Unexpected character ('K'
> (code 75)): expected a valid value (number, String, array, object, 'true',
> 'false' or 'null')
> at [Source: java.io.StringReader@3c74247d; line: 1, column: 2]
> at
> org.codehaus.jackson.JsonParser._constructError(JsonParser.java:1432)
> ~[jackson-core-asl-1.9.2.jar:1.9.2]
> at
> org.codehaus.jackson.impl.JsonParserMinimalBase._reportError(JsonParserMinimalBase.java:385)
> ~[jackson-core-asl-1.9.2.jar:1.9.2]
> at
> org.codehaus.jackson.impl.JsonParserMinimalBase._reportUnexpectedChar(JsonParserMinimalBase.java:306)
> ~[jackson-core-asl-1.9.2.jar:1.9.2]
> at
> org.codehaus.jackson.impl.ReaderBasedParser._handleUnexpectedValue(ReaderBasedParser.java:1192)
> ~[jackson-core-asl-1.9.2.jar:1.9.2]
> at
> org.codehaus.jackson.impl.ReaderBasedParser.nextToken(ReaderBasedParser.java:479)
> ~[jackson-core-asl-1.9.2.jar:1.9.2]
> at
> org.codehaus.jackson.map.ObjectMapper._initForReading(ObjectMapper.java:2761)
> ~[jackson-mapper-asl-1.9.2.jar:1.9.2]
> at
> org.codehaus.jackson.map.ObjectMapper._readMapAndClose(ObjectMapper.java:2709)
> ~[jackson-mapper-asl-1.9.2.jar:1.9.2]
> at
> org.codehaus.jackson.map.ObjectMapper.readValue(ObjectMapper.java:1854)
> ~[jackson-mapper-asl-1.9.2.jar:1.9.2]
> at
> org.apache.cassandra.utils.FBUtilities.fromJsonMap(FBUtilities.java:557)
> ~[apache-cassandra-3.0.4.jar:3.0.4]
> ... 15 common frames omitted
> {code}
> What do? This is an existing 2.2.5 installation I am attempting to upgrade to
> 3.0.4 - this happens consistently. Tips? Tricks?
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