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Date: Thu, 14 Oct 2010 17:32:31 -0600
Message-ID: <AANLkTimTeUttX-1Vi_UkRT4+iRLOKUvOwqZj-Usrr4By@mail.gmail.com>
Subject: Cassandra/Pelops error processing get_slice
From: Frank LoVecchio <frank@isidorey.com>
To: user@cassandra.apache.org
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10:10:21,787 ERROR ~ Error getting Sensor

org.apache.thrift.TApplicationException: Internal error processing get_slice

at org.apache.thrift.TApplicationException.read(
TApplicationException.java:108)

at org.apache.cassandra.thrift.Cassandra$Client.recv_get_slice(
Cassandra.java:544)

at org.apache.cassandra.thrift.Cassandra$Client.get_slice(Cassandra.java:524
)

at org.scale7.cassandra.pelops.Selector$6.execute(Selector.java:538)

at org.scale7.cassandra.pelops.Selector$6.execute(Selector.java:535)

at org.scale7.cassandra.pelops.Operand.tryOperation(Operand.java:45)

at org.scale7.cassandra.pelops.Selector.getSuperColumnsFromRow(
Selector.java:545)

at org.scale7.cassandra.pelops.Selector.getSuperColumnsFromRow(
Selector.java:522)


Not sure if this is a pelops thing or thrift.

I spun up a new cluster of 3 nodes a couple of nights ago with the nightly
build 0.7 beta 2's.  When I include all 3 nodes in the Pelops Pool, and run
this:

List<SuperColumn> cols = selector.getSuperColumnsFromRow(
                               getColFamilyName(), key,
                               Selector.newColumnsPredicateAll(true, 1000),
                               ConsistencyLevel.ONE);

 I get the error above.  When I create a new Pool with only 1 node, I get
different data back then if I create a new Pool with another single node,
but I don't get the error.  Why is this happening?  Here is my
cassandra.yaml file, which I haven't modified on the fly:

# Configuration wiki: http://wiki.apache.org/cassandra/StorageConfiguration
authority: org.apache.cassandra.auth.AllowAllAuthority
authenticator: org.apache.cassandra.auth.AllowAllAuthenticator
auto_bootstrap: true
binary_memtable_throughput_in_mb: 256
cluster_name: DevCluster
column_index_size_in_kb: 64
commitlog_directory: /cassandra/commitlog
saved_caches_directory: /cassandra/saved_caches
commitlog_rotation_threshold_in_mb: 128
commitlog_sync: periodic
commitlog_sync_period_in_ms: 10000
concurrent_reads: 8
concurrent_writes: 50
data_file_directories:
- /cassandra/data
disk_access_mode: auto
endpoint_snitch: org.apache.cassandra.locator.SimpleSnitch
dynamic_snitch: true
hinted_handoff_enabled: true
in_memory_compaction_limit_in_mb: 256
keyspaces:
    - name: Keyspace
      replica_placement_strategy:
org.apache.cassandra.locator.SimpleStrategy
      replication_factor: 3
      column_families:

        - name: Sensor
          column_type: Super
          compare_with: TimeUUIDType
          gc_grace_seconds: 864000
          keys_cached: 200000.0
          preload_row_cache: false
          read_repair_chance: 1.0
          rows_cached: 0.0

listen_address: ec2-internal-ip1
memtable_flush_after_mins: 60
memtable_operations_in_millions: 0.3
memtable_throughput_in_mb: 64
partitioner: org.apache.cassandra.dht.RandomPartitioner
phi_convict_threshold: 8
rpc_port: 9160
rpc_timeout_in_ms: 10000
seeds:
- ec2-internal-ip1
- ec2-internal-ip2
- ec2-internal-ip3
sliced_buffer_size_in_kb: 64
snapshot_before_compaction: false
storage_port: 7000
thrift_framed_transport_size_in_mb: 15
thrift_max_message_length_in_mb: 16
initial_token:

Frank LoVecchio
Software Engineer
Isidorey LLC

franklovecchio.com
rodsandricers.com

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Content-Type: text/html; charset=ISO-8859-1
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<meta charset=3D"utf-8"><span class=3D"Apple-style-span" style=3D"font-fami=
ly: arial, sans-serif; font-size: 13px; border-collapse: collapse; "><p sty=
le=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: =
0px; ">
10:10:21,787 ERROR ~ Error getting Sensor=A0</p><p style=3D"margin-top: 0px=
; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; color: rgb(1, 31=
, 144); "><span style=3D"text-decoration: underline; ">org.apache.thrift.TA=
pplicationException</span><span style=3D"color: rgb(0, 0, 0); ">: Internal =
error processing get_slice</span></p>
<p style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-=
left: 0px; "><span style=3D"white-space: pre-wrap; ">	</span>at org.apache.=
thrift.TApplicationException.read(<span style=3D"text-decoration: underline=
; color: rgb(1, 31, 144); ">TApplicationException.java:108</span>)</p>
<p style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-=
left: 0px; "><span style=3D"white-space: pre-wrap; ">	</span>at org.apache.=
cassandra.thrift.Cassandra$Client.recv_get_slice(<span style=3D"text-decora=
tion: underline; color: rgb(1, 31, 144); ">Cassandra.java:544</span>)</p>
<p style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-=
left: 0px; "><span style=3D"white-space: pre-wrap; ">	</span>at org.apache.=
cassandra.thrift.Cassandra$Client.get_slice(<span style=3D"text-decoration:=
 underline; color: rgb(1, 31, 144); ">Cassandra.java:524</span>)</p>
<p style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-=
left: 0px; "><span style=3D"white-space: pre-wrap; ">	</span>at org.scale7.=
cassandra.pelops.Selector$6.execute(<span style=3D"text-decoration: underli=
ne; color: rgb(1, 31, 144); ">Selector.java:538</span>)</p>
<p style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-=
left: 0px; "><span style=3D"white-space: pre-wrap; ">	</span>at org.scale7.=
cassandra.pelops.Selector$6.execute(<span style=3D"text-decoration: underli=
ne; color: rgb(1, 31, 144); ">Selector.java:535</span>)</p>
<p style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-=
left: 0px; "><span style=3D"white-space: pre-wrap; ">	</span>at org.scale7.=
cassandra.pelops.Operand.tryOperation(<span style=3D"text-decoration: under=
line; color: rgb(1, 31, 144); ">Operand.java:45</span>)</p>
<p style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-=
left: 0px; "><span style=3D"white-space: pre-wrap; ">	</span>at org.scale7.=
cassandra.pelops.Selector.getSuperColumnsFromRow(<span style=3D"text-decora=
tion: underline; color: rgb(1, 31, 144); ">Selector.java:545</span>)</p>
<p style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-=
left: 0px; "><span style=3D"white-space: pre-wrap; ">	</span>at org.scale7.=
cassandra.pelops.Selector.getSuperColumnsFromRow(<span style=3D"text-decora=
tion: underline; color: rgb(1, 31, 144); ">Selector.java:522</span>)</p>
<p style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-=
left: 0px; "><br></p><p style=3D"margin-top: 0px; margin-right: 0px; margin=
-bottom: 0px; margin-left: 0px; ">Not sure if this is a pelops thing or thr=
ift.</p>
<div><br></div><div>I spun up a new cluster of 3 nodes=A0a couple of nights=
 ago=A0with the nightly build 0.7 beta 2&#39;s. =A0When I include all 3 nod=
es in the Pelops Pool, and run this:</div><div><br></div><div><span style=
=3D"border-collapse: separate; ">List&lt;SuperColumn&gt; cols =3D selector.=
getSuperColumnsFromRow(<br>
=A0=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 getColFamily=
Name(), key,<br>=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0Selector.newColumnsPredicateAll(true, 1000),<br>=A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0ConsistencyLevel.ONE);</span></div>=
<div><br></div><div>
<span style=3D"border-collapse: separate; "></span>=A0I get the error above=
. =A0When I create a new Pool with only 1 node, I get different data back t=
hen if I create a new Pool with another single node, but I don&#39;t get th=
e error. =A0Why is this happening? =A0Here is my cassandra.yaml file, which=
 I haven&#39;t modified on the fly:</div>
<div><br></div><div><div># Configuration wiki:=A0<a href=3D"http://wiki.apa=
che.org/cassandra/StorageConfiguration" target=3D"_blank" style=3D"color: r=
gb(42, 93, 176); ">http://wiki.apache.org/cassandra/StorageConfiguration</a=
></div>
<div>authority: org.apache.cassandra.auth.AllowAllAuthority</div><div>authe=
nticator: org.apache.cassandra.auth.AllowAllAuthenticator</div><div>auto_bo=
otstrap: true</div><div>binary_memtable_throughput_in_mb: 256</div><div>
cluster_name: DevCluster</div><div>column_index_size_in_kb: 64</div><div>co=
mmitlog_directory: /cassandra/commitlog</div><div>saved_caches_directory: /=
cassandra/saved_caches</div><div>commitlog_rotation_threshold_in_mb: 128</d=
iv>
<div>commitlog_sync: periodic</div><div>commitlog_sync_period_in_ms: 10000<=
/div><div>concurrent_reads: 8</div><div>concurrent_writes: 50</div><div>dat=
a_file_directories:</div><div>- /cassandra/data</div><div>disk_access_mode:=
 auto</div>
<div>endpoint_snitch: org.apache.cassandra.locator.SimpleSnitch</div><div>d=
ynamic_snitch: true</div><div>hinted_handoff_enabled: true</div><div>in_mem=
ory_compaction_limit_in_mb: 256</div><div>keyspaces:</div><div>=A0=A0 =A0- =
name: Keyspace</div>
<div>=A0=A0 =A0 =A0replica_placement_strategy: org.apache.cassandra.locator=
.SimpleStrategy</div><div>=A0=A0 =A0 =A0replication_factor: 3</div><div>=A0=
=A0 =A0 =A0column_families:</div><div>=A0=A0 =A0=A0</div><div>=A0=A0 =A0 =
=A0 =A0- name: Sensor</div><div>=A0=A0 =A0 =A0 =A0 =A0column_type: Super</d=
iv>
<div>=A0=A0 =A0 =A0 =A0 =A0compare_with: TimeUUIDType</div><div>=A0=A0 =A0 =
=A0 =A0 =A0gc_grace_seconds: 864000</div><div>=A0=A0 =A0 =A0 =A0 =A0keys_ca=
ched: 200000.0</div><div>=A0=A0 =A0 =A0 =A0 =A0preload_row_cache: false</di=
v><div>=A0=A0 =A0 =A0 =A0 =A0read_repair_chance: 1.0</div>
<div>=A0=A0 =A0 =A0 =A0 =A0rows_cached: 0.0</div><div>=A0</div><div>listen_=
address: ec2-internal-ip1</div><div>memtable_flush_after_mins: 60</div><div=
>memtable_operations_in_millions: 0.3</div><div>memtable_throughput_in_mb: =
64</div><div>
partitioner: org.apache.cassandra.dht.RandomPartitioner</div><div>phi_convi=
ct_threshold: 8</div><div>rpc_port: 9160</div><div>rpc_timeout_in_ms: 10000=
</div><div>seeds:</div><div>- ec2-internal-ip1</div><div>-=A0ec2-internal-i=
p2</div>
<div>-=A0ec2-internal-ip3</div><div>sliced_buffer_size_in_kb: 64</div><div>=
snapshot_before_compaction: false</div><div>storage_port: 7000</div><div>th=
rift_framed_transport_size_in_mb: 15</div><div>thrift_max_message_length_in=
_mb: 16</div>
<div>initial_token:</div></div><div><br></div><div>Frank LoVecchio</div><di=
v>Software Engineer</div><div>Isidorey LLC</div><div><br></div><div><a href=
=3D"http://franklovecchio.com">franklovecchio.com</a></div><div><a href=3D"=
http://rodsandricers.com">rodsandricers.com</a></div>
</span>

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