I got this error today. INFO 11:16:08,067 Enqueuing flush of Memtable-LocationInfo@8820986(41/51 serialized/live bytes, 1 ops) INFO 11:16:08,068 Writing Memtable-LocationInfo@8820986(41/51 serialized/live bytes, 1 ops) ERROR 11:16:08,077 Exception in thread Thread[COMMIT-LOG-ALLOCATOR,5,main] java.io.IOError: java.io.IOException: Map failed at org.apache.cassandra.db.commitlog.CommitLogSegment.<init>(CommitLogSegment.java:127) at org.apache.cassandra.db.commitlog.CommitLogAllocator$3.run(CommitLogAllocator.java:203) at org.apache.cassandra.db.commitlog.CommitLogAllocator$1.runMayThrow(CommitLogAllocator.java:95) at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30) at java.lang.Thread.run(Thread.java:679) Caused by: java.io.IOException: Map failed at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:803) at org.apache.cassandra.db.commitlog.CommitLogSegment.<init>(CommitLogSegment.java:119) ... 4 more Caused by: java.lang.OutOfMemoryError: Map failed at sun.nio.ch.FileChannelImpl.map0(Native Method) at sun.nio.ch.FileChannelImpl.map(FileChannelImpl.java:800) ... 5 more ERROR 11:16:08,082 Exception in thread Thread[StorageServiceShutdownHook,5,main] java.lang.NullPointerException at org.apache.cassandra.gms.Gossiper.stop(Gossiper.java:1132) at org.apache.cassandra.service.StorageService$2.runMayThrow(StorageService.java:489) at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30) at java.lang.Thread.run(Thread.java:679)
Are the two issues related? On Mon, May 27, 2013 at 1:50 PM, Kais Ahmed <k...@neteck-fr.com> wrote: > Hi chiddu, > > You have to configure your operating system to use the Oracle JRE instead > of OpenJDK. > > http://www.datastax.com/docs/1.0/install/install_jre > > > > 2013/5/27 S Chidambaran <chi...@gmail.com> > >> I get these errors frequently as Cassandra starts up. I'm using the >> official Java distribution from Ubuntu. >> >> >> WARN 08:11:48,145 MemoryMeter uninitialized (jamm not specified as java >> agent); assuming liveRatio of 10.0. Usually this means cassandra-env.sh >> disabled jamm because you are using a buggy JRE; upgrade to the Sun JRE >> instead >> >> >> >> java version "1.6.0_27" >> OpenJDK Runtime Environment (IcedTea6 1.12.5) >> (6b27-1.12.5-0ubuntu0.12.04.1) >> OpenJDK Server VM (build 20.0-b12, mixed mode) >> >> >> Any idea on how to fix this? >> >> Regards >> Chiddu >> >> >> >