Alexander Radzin created CASSANDRA-7358: -------------------------------------------
Summary: Cassandra is still using guava 15 Key: CASSANDRA-7358 URL: https://issues.apache.org/jira/browse/CASSANDRA-7358 Project: Cassandra Issue Type: Improvement Reporter: Alexander Radzin The problem is that Cassandra still depends on guava 15 while CQL Driver depends on guava 16. Attempts to run both in the same process (that is typical for embedding cassandra e.g. for unit tests) causes incompatibility problems: {noformat} java.lang.NoSuchMethodError: com.google.common.util.concurrent.RateLimiter.acquire(I)V at org.apache.cassandra.io.compress.CompressedThrottledReader.reBuffer(CompressedThrottledReader.java:40) at org.apache.cassandra.io.util.RandomAccessReader.seek(RandomAccessReader.java:280) at org.apache.cassandra.io.sstable.SSTableScanner$KeyScanningIterator.computeNext(SSTableScanner.java:262) at org.apache.cassandra.io.sstable.SSTableScanner$KeyScanningIterator.computeNext(SSTableScanner.java:203) at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143) at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138) at org.apache.cassandra.io.sstable.SSTableScanner.hasNext(SSTableScanner.java:183) at org.apache.cassandra.utils.MergeIterator$Candidate.advance(MergeIterator.java:144) at org.apache.cassandra.utils.MergeIterator$ManyToOne.<init>(MergeIterator.java:87) at org.apache.cassandra.utils.MergeIterator.get(MergeIterator.java:46) at org.apache.cassandra.db.compaction.CompactionIterable.iterator(CompactionIterable.java:47) at org.apache.cassandra.db.compaction.CompactionTask.runWith(CompactionTask.java:129) at org.apache.cassandra.io.util.DiskAwareRunnable.runMayThrow(DiskAwareRunnable.java:48) at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) at org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:60) at org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:59) at org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionTask.run(CompactionManager.java:198) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:744) {noformat} Method {{acquire()}} from class {{com.google.common.util.concurrent.RateLimiter}} accepts one {{int}} parameter but its return value changed. It was {{void}} but now it is {{double}}. As far as I understand this is the reason for attached exception. This problem does not allow us to upgrade CQL driver to version newer than {{2.0.0-rc2}}. -- This message was sent by Atlassian JIRA (v6.2#6252)