Cassandra 1.0.1 and only seemed to happen with * JAVA_HOME=/usr/lib/jvm/java-6-sun and jna.jar copied into /usr/share/cassandra(/lib)
I then saw the detail in the init script and how it was being linked Is there a way I can verify which provider is being used? I want to make sure Off heap is being used in the default config. On 03/11/11 19:06, paul cannon wrote: > I can't reproduce this. What version of the cassandra deb are you using, > exactly, and why are you symlinking or copying jna.jar into > /usr/share/cassandra? The initscript should be adding > /usr/sahre/java/jna.jar to the classpath, and that should be all you need. > > The failure you see with o.a.c.cache.FreeableMemory is not because the > jre can't find the class, it's just that it can't initialize the class > (because it needs JNA, and it can't find JNA). > > p > > On Wed, Nov 2, 2011 at 4:42 AM, Peter Tillotson <slatem...@yahoo.co.uk > <mailto:slatem...@yahoo.co.uk>> wrote: > > see below > * JAVA_HOME=/usr/lib/jvm/java-6-openjdk > works > -- > Reading the documentation over at Datastax > “The Debian and RPM packages of Cassandra install JNA automatically” > > http://www.datastax.com/dev/blog/whats-new-in-cassandra-1-0-improved-memory-and-disk-space-management > > And indeed the Debian package depends on jna, and the > /etc/init.d/cassandra looks as though in adds > /usr/share/java/jna.jar to the classpath, and here is the but. > > If I copy or symlink jna.jar into: > * /usr/share/cassandra > * /usr/share/cassandra/lib > Whenever a column family initialises I get: > java.lang.NoClassDefFoundError: Could not initialize class > org.apache.cassandra.cache.FreeableMemory > > This suggests to me that: > 1) By default, for me at least, in Debian jna.jar is not on the > classpath > 2) There is an additional classpath issue > jar -tf apache-cassandra.jar | grep "FreeableMemory" succeeds > > I'm running on: > * Ubuntu 10.04 x64 > * JAVA_HOME=/usr/lib/jvm/java-6-sun > > Full stack traces: > java.lang.NoClassDefFoundError: Could not initialize class > com.sun.jna.Native > at com.sun.jna.Pointer.<clinit>(Pointer.java:42) > at > > org.apache.cassandra.cache.SerializingCache.serialize(SerializingCache.java:92) > at > org.apache.cassandra.cache.SerializingCache.put(SerializingCache.java:154) > at > > org.apache.cassandra.cache.InstrumentingCache.put(InstrumentingCache.java:63) > at > > org.apache.cassandra.db.ColumnFamilyStore.cacheRow(ColumnFamilyStore.java:1150) > at > > org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1174) > at > > org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1131) > at org.apache.cassandra.db.Table.getRow(Table.java:378) > at > > org.apache.cassandra.db.SliceFromReadCommand.getRow(SliceFromReadCommand.java:61) > at > > org.apache.cassandra.service.StorageProxy$LocalReadRunnable.runMayThrow(StorageProxy.java:797) > at > > org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:1265) > at > > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > at > > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > at java.lang.Thread.run(Thread.java:662) > INFO [pool-1-thread-1] 2011-11-02 10:26:46,738 Memtable.java (line > 177) CFS(Keyspace='BigSet', ColumnFamily='theKeys') liveRatio is > 18.20062753783684 (just-counted was 16.960966424636872). > calculation took 408ms for 8169 columns > ERROR [ReadStage:33] 2011-11-02 10:26:56,599 > AbstractCassandraDaemon.java (line 133) Fatal exception in thread > Thread[ReadStage:33,5,main] > java.lang.NoClassDefFoundError: Could not initialize class > org.apache.cassandra.cache.FreeableMemory > at > > org.apache.cassandra.cache.SerializingCache.serialize(SerializingCache.java:92) > at > org.apache.cassandra.cache.SerializingCache.put(SerializingCache.java:154) > at > > org.apache.cassandra.cache.InstrumentingCache.put(InstrumentingCache.java:63) > at > > org.apache.cassandra.db.ColumnFamilyStore.cacheRow(ColumnFamilyStore.java:1150) > at > > org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1174) > at > > org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1131) > at org.apache.cassandra.db.Table.getRow(Table.java:378) > at > > org.apache.cassandra.db.SliceFromReadCommand.getRow(SliceFromReadCommand.java:61) > at > > org.apache.cassandra.service.StorageProxy$LocalReadRunnable.runMayThrow(StorageProxy.java:797) > at > > org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:1265) > at > > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > >
