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Karl Mueller commented on CASSANDRA-1883: ----------------------------------------- Additional information: one of the SSD raid0s went bad recently. This may have produced weird data for one cassandra node. > NPE in get_slice quorum read > ---------------------------- > > Key: CASSANDRA-1883 > URL: https://issues.apache.org/jira/browse/CASSANDRA-1883 > Project: Cassandra > Issue Type: Bug > Affects Versions: 0.7.0 > Environment: Linux Fedora 12 x86_64 > Reporter: Karl Mueller > Priority: Minor > Fix For: 0.7.0 > > > Getting this NPE as of the 2010-12-17 0.7 trunk. Some data may be corrupt > somewhere on a node. It could be a null key somewhere. > ERROR [pool-1-thread-28] 2010-12-18 12:53:20,411 Cassandra.java (line 2707) > Internal error processing get_slice > java.lang.NullPointerException > at > org.apache.cassandra.service.DigestMismatchException.<init>(DigestMismatchException.java:30) > at > org.apache.cassandra.service.ReadResponseResolver.resolve(ReadResponseResolver.java:92) > at > org.apache.cassandra.service.ReadResponseResolver.resolve(ReadResponseResolver.java:43) > at > org.apache.cassandra.service.QuorumResponseHandler.get(QuorumResponseHandler.java:91) > at > org.apache.cassandra.service.StorageProxy.strongRead(StorageProxy.java:362) > at > org.apache.cassandra.service.StorageProxy.readProtocol(StorageProxy.java:229) > at > org.apache.cassandra.thrift.CassandraServer.readColumnFamily(CassandraServer.java:128) > at > org.apache.cassandra.thrift.CassandraServer.getSlice(CassandraServer.java:225) > at > org.apache.cassandra.thrift.CassandraServer.multigetSliceInternal(CassandraServer.java:301) > at > org.apache.cassandra.thrift.CassandraServer.get_slice(CassandraServer.java:263) > at > org.apache.cassandra.thrift.Cassandra$Processor$get_slice.process(Cassandra.java:2699) > at > org.apache.cassandra.thrift.Cassandra$Processor.process(Cassandra.java:2555) > at > org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:167) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) > at java.lang.Thread.run(Thread.java:636) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.