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From Jake Luciani <jak...@gmail.com>
Subject Re: Too many open files Exception + java.lang.ArithmeticException: / by zero
Date Wed, 15 Dec 2010 16:36:59 GMT
http://www.riptano.com/docs/0.6/troubleshooting/index#java-reports-an-error-saying-there-are-too-many-open-files



On Wed, Dec 15, 2010 at 11:13 AM, Amin Sakka, Novapost <
amin.sakka@novapost.fr> wrote:

> *Hello,*
> *I'm using cassandra 0.7.0 rc1, a single node configuration, replication
> factor 1, random partitioner, 2 GO heap size.*
> *I ran my hector client to insert 5.000.000 rows but after a couple of
> hours, the following Exception occurs : *
>
>
>  WARN [main] 2010-12-15 16:38:53,335 CustomTThreadPoolServer.java (line
> 104) Transport error occurred during acceptance of message.
> org.apache.thrift.transport.TTransportException: java.net.SocketException:
> Too many open files
>  at
> org.apache.thrift.transport.TServerSocket.acceptImpl(TServerSocket.java:124)
> at
> org.apache.cassandra.thrift.TCustomServerSocket.acceptImpl(TCustomServerSocket.java:67)
>  at
> org.apache.cassandra.thrift.TCustomServerSocket.acceptImpl(TCustomServerSocket.java:38)
> at
> org.apache.thrift.transport.TServerTransport.accept(TServerTransport.java:31)
>  at
> org.apache.cassandra.thrift.CustomTThreadPoolServer.serve(CustomTThreadPoolServer.java:98)
> at
> org.apache.cassandra.thrift.CassandraDaemon.start(CassandraDaemon.java:120)
>  at
> org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:229)
> at
> org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:134)
> Caused by: java.net.SocketException: Too many open files
> at java.net.PlainSocketImpl.socketAccept(Native Method)
> at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
>  at java.net.ServerSocket.implAccept(ServerSocket.java:453)
> at java.net.ServerSocket.accept(ServerSocket.java:421)
>  at
> org.apache.thrift.transport.TServerSocket.acceptImpl(TServerSocket.java:119)
>
>
> *When I try to restart Cassandra, I have the following exception :*
>
>
> ERROR 16:42:26,573 Exception encountered during startup.
> java.lang.ArithmeticException: / by zero
> at
> org.apache.cassandra.io.sstable.SSTable.estimateRowsFromIndex(SSTable.java:233)
>  at
> org.apache.cassandra.io.sstable.SSTableReader.load(SSTableReader.java:284)
> at
> org.apache.cassandra.io.sstable.SSTableReader.open(SSTableReader.java:200)
>  at
> org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:225)
> at
> org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:449)
>  at
> org.apache.cassandra.db.ColumnFamilyStore.addIndex(ColumnFamilyStore.java:306)
> at
> org.apache.cassandra.db.ColumnFamilyStore.<init>(ColumnFamilyStore.java:246)
>  at
> org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:449)
> at
> org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(ColumnFamilyStore.java:437)
>  at org.apache.cassandra.db.Table.initCf(Table.java:341)
> at org.apache.cassandra.db.Table.<init>(Table.java:283)
>  at org.apache.cassandra.db.Table.open(Table.java:114)
> at
> org.apache.cassandra.service.AbstractCassandraDaemon.setup(AbstractCassandraDaemon.java:138)
>  at
> org.apache.cassandra.thrift.CassandraDaemon.setup(CassandraDaemon.java:55)
> at
> org.apache.cassandra.service.AbstractCassandraDaemon.activate(AbstractCassandraDaemon.java:216)
>  at
> org.apache.cassandra.thrift.CassandraDaemon.main(CassandraDaemon.java:134)
>
>
> I am looking for advice on how to debug this.
>
> Thanks,
>
> --
>
> Amin
>
>
>
>
>

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