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From Michael Kjellman <>
Subject Re: java exception on start
Date Sat, 12 Jan 2013 17:56:49 GMT

Fixed for 1.2.1!

From: Tim Dunphy <<>>
Reply-To: "<>" <<>>
Date: Saturday, January 12, 2013 9:51 AM
To: "<>" <<>>
Subject: java exception on start


 I just upgraded to cassandra 1.2 and I notice that when I start the node I see this java

 WARN 12:46:52,872 error reading saved cache /var/lib/cassandra/saved_caches/system-schema_columnfamilies-KeyCache-b.db
        at org.apache.cassandra.utils.ByteBufferUtil.readWithLength(
        at org.apache.cassandra.service.CacheService$KeyCacheSerializer.deserialize(
        at org.apache.cassandra.cache.AutoSavingCache.loadSaved(
        at org.apache.cassandra.db.ColumnFamilyStore.<init>(
        at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(
        at org.apache.cassandra.db.ColumnFamilyStore.createColumnFamilyStore(
        at org.apache.cassandra.db.Table.initCf(
        at org.apache.cassandra.db.Table.<init>(
        at org.apache.cassandra.db.SystemTable.checkHealth(
        at org.apache.cassandra.service.CassandraDaemon.setup(
        at org.apache.cassandra.service.CassandraDaemon.activate(
        at org.apache.cassandra.service.CassandraDaemon.main(

Yes it's a warning and not anything critical. Cassandra does start. The node operates and
serves my website (all cassandra based). I'm just wondering if this is something I should
consider correcting and wether it will impact the nodes performance.

 Here's a listing of that file that it's complaining about being able to read:

 -rw-r--r-- 1 root root 61 Jan 12 12:07 /var/lib/cassandra/saved_caches/system-schema_columnfamilies-KeyCache-b.db


GPG me!!

gpg --keyserver<> --recv-keys

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