i am usuinc cassandra 1.0.3 java 6.0.17 on ubuntu 10.04
this is a stable version for 6 months now.

On Wed, Apr 4, 2012 at 9:51 PM, aaron morton <aaron@thelastpickle.com> wrote:
What version of cassandra are you using ? 

What java vendor / version ? 

What OS vendor / version ? 

Cheers

-----------------
Aaron Morton
Freelance Developer
@aaronmorton

On 4/04/2012, at 11:33 PM, Michael Vaknine wrote:

I am recently having problems with 1 of my 4ty cluster servers.
I would appreciate any help
 
ERROR 11:23:14,331 Fatal exception in thread Thread[MutationStage:19,5,main]
225 java.lang.InternalError: a fault occurred in a recent unsafe memory access operation in compiled Java code
226     at org.apache.cassandra.io.util.AbstractDataInput.readInt(AbstractDataInput.java:196)
227     at org.apache.cassandra.utils.ByteBufferUtil.readWithLength(ByteBufferUtil.java:348)
228     at org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:120)
229     at org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:83)
230     at org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:73)
231     at org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:37)
232     at org.apache.cassandra.db.columniterator.SimpleSliceReader.computeNext(SimpleSliceReader.java:79)
233     at org.apache.cassandra.db.columniterator.SimpleSliceReader.computeNext(SimpleSliceReader.java:40)
234     at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140)
235     at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135)
236     at org.apache.cassandra.db.columniterator.SSTableSliceIterator.hasNext(SSTableSliceIterator.java:107)
237     at org.apache.cassandra.utils.MergeIterator$Candidate.advance(MergeIterator.java:145)
238     at org.apache.cassandra.utils.MergeIterator$ManyToOne.advance(MergeIterator.java:124)
239     at org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:98)
240     at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140)
241     at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135)
242     at org.apache.cassandra.db.filter.SliceQueryFilter.collectReducedColumns(SliceQueryFilter.java:116)
243     at org.apache.cassandra.db.filter.QueryFilter.collateColumns(QueryFilter.java:144)
244     at org.apache.cassandra.db.CollationController.collectAllData(CollationController.java:227)
245     at org.apache.cassandra.db.CollationController.getTopLevelColumns(CollationController.java:62)
246     at org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1274)
247     at org.apache.cassandra.db.ColumnFamilyStore.cacheRow(ColumnFamilyStore.java:1141)
248     at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1170)
249     at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1122)
250     at org.apache.cassandra.db.Table.readCurrentIndexedColumns(Table.java:504)
251     at org.apache.cassandra.db.Table.apply(Table.java:441)
252     at org.apache.cassandra.db.commitlog.CommitLog$2.runMayThrow(CommitLog.java:338)
253     at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
254     at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
255     at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
256     at java.util.concurrent.FutureTask.run(FutureTask.java:138)
257     at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
258     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
259     at java.lang.Thread.run(Thread.java:619)
260  INFO 11:23:17,640 Finished reading /var/lib/cassandra/commitlog/CommitLog-1333465745624.log
261 ERROR 11:23:17,641 Exception encountered during startup
262 java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.lang.InternalError: a fault occurred in a recent unsafe memory access operation in compiled Java code
263     at org.apache.cassandra.utils.FBUtilities.waitOnFutures(FBUtilities.java:508)
 
Thanks
Michael