[jira] [Updated] (CASSANDRA-6030) java.lang.IncompatibleClassChangeError when starting EmbeddedCassandraService

["Jinder Aujla (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-6030?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jinder Aujla updated CASSANDRA-6030:
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    Attachment: jar hell.png

This is the reason why, I am using version 2 of the JAVA driver, which is pulling in a different version for the library. Arguably this is a an issue with the JAVA driver instead of Cassandra itself.
                
> java.lang.IncompatibleClassChangeError when starting EmbeddedCassandraService
> -----------------------------------------------------------------------------
>
>                 Key: CASSANDRA-6030
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6030
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core, Documentation & website
>         Environment: Linux 64 bit Ubuntu, JAVA 1.7
>            Reporter: Jinder Aujla
>         Attachments: jar hell.png
>
>
> When I try to start EmbeddedCassandraService thus:
> EmbeddedCassandraService cassandra = new EmbeddedCassandraService();
> cassandra.start();
> I get the following exception
> java.lang.IncompatibleClassChangeError: Found interface net.jpountz.lz4.LZ4Decompressor, but class was expected
> 	at org.apache.cassandra.io.compress.LZ4Compressor.uncompress(LZ4Compressor.java:84)
> 	at org.apache.cassandra.io.compress.CompressedRandomAccessReader.decompressChunk(CompressedRandomAccessReader.java:116)
> 	at org.apache.cassandra.io.compress.CompressedRandomAccessReader.reBuffer(CompressedRandomAccessReader.java:85)
> 	at org.apache.cassandra.io.util.RandomAccessReader.seek(RandomAccessReader.java:275)
> 	at org.apache.cassandra.io.util.PoolingSegmentedFile.getSegment(PoolingSegmentedFile.java:42)
> 	at org.apache.cassandra.io.sstable.SSTableReader.getFileDataInput(SSTableReader.java:1093)
> 	at org.apache.cassandra.db.columniterator.SimpleSliceReader.<init>(SimpleSliceReader.java:57)
> 	at org.apache.cassandra.db.columniterator.SSTableSliceIterator.createReader(SSTableSliceIterator.java:65)
> 	at org.apache.cassandra.db.columniterator.SSTableSliceIterator.<init>(SSTableSliceIterator.java:42)
> 	at org.apache.cassandra.db.filter.SliceQueryFilter.getSSTableColumnIterator(SliceQueryFilter.java:171)
> 	at org.apache.cassandra.db.filter.QueryFilter.getSSTableColumnIterator(QueryFilter.java:62)
> 	at org.apache.cassandra.db.CollationController.collectAllData(CollationController.java:269)
> 	at org.apache.cassandra.db.CollationController.getTopLevelColumns(CollationController.java:53)
> 	at org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1469)
> 	at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1295)
> 	at org.apache.cassandra.db.Keyspace.getRow(Keyspace.java:332)
> 	at org.apache.cassandra.db.SliceFromReadCommand.getRow(SliceFromReadCommand.java:65)
> 	at org.apache.cassandra.cql3.statements.SelectStatement.readLocally(SelectStatement.java:231)
> 	at org.apache.cassandra.cql3.statements.SelectStatement.executeInternal(SelectStatement.java:249)
> 	at org.apache.cassandra.cql3.statements.SelectStatement.executeInternal(SelectStatement.java:56)
> 	at org.apache.cassandra.cql3.QueryProcessor.processInternal(QueryProcessor.java:151)
> 	at org.apache.cassandra.db.SystemKeyspace.checkHealth(SystemKeyspace.java:459)
> 	at org.apache.cassandra.service.CassandraDaemon.setup(CassandraDaemon.java:227)
> 	at org.apache.cassandra.service.CassandraDaemon.init(CassandraDaemon.java:377)
> 	at org.apache.cassandra.service.EmbeddedCassandraService.start(EmbeddedCassandraService.java:52)

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