Gerhard Gossen created GORA-420:
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Summary: AccumuloStore.createSchema fails when table already exists
Key: GORA-420
URL: https://issues.apache.org/jira/browse/GORA-420
Project: Apache Gora
Issue Type: Improvement
Components: gora-accumulo
Affects Versions: 0.6
Reporter: Gerhard Gossen
Priority: Minor
When {{autoCreateSchema}} is enabled, AccumuloStore.initialize will try to
create the table each time without checking for its existence. This fails with
an exception that is logged at level ERROR (see below). As this happens
frequently, this clutters the log.
{code}
2015-04-15 16:19:52.193 ERROR 29747 --- o.a.gora.accumulo.store.AccumuloStore
: Table crawl_2_webpage exists (Table name already exists: crawl_2_webpage)
org.apache.accumulo.core.client.TableExistsException: Table crawl_2_webpage
exists (Table name already exists: crawl_2_webpage)
at
org.apache.accumulo.core.client.admin.TableOperationsImpl.doTableOperation(TableOperationsImpl.java:302)
at
org.apache.accumulo.core.client.admin.TableOperationsImpl.doTableOperation(TableOperationsImpl.java:280)
at
org.apache.accumulo.core.client.admin.TableOperationsImpl.create(TableOperationsImpl.java:208)
at
org.apache.accumulo.core.client.admin.TableOperationsImpl.create(TableOperationsImpl.java:177)
at
org.apache.gora.accumulo.store.AccumuloStore.createSchema(AccumuloStore.java:454)
at
org.apache.gora.accumulo.store.AccumuloStore.initialize(AccumuloStore.java:372)
[...]
Caused by:
org.apache.accumulo.core.client.impl.thrift.ThriftTableOperationException: null
at
org.apache.accumulo.core.master.thrift.MasterClientService$executeTableOperation_result$executeTableOperation_resultStandardScheme.read(MasterClientService.java:16129)
at
org.apache.accumulo.core.master.thrift.MasterClientService$executeTableOperation_result$executeTableOperation_resultStandardScheme.read(MasterClientService.java:16106)
at
org.apache.accumulo.core.master.thrift.MasterClientService$executeTableOperation_result.read(MasterClientService.java:16048)
at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:78)
at
org.apache.accumulo.core.master.thrift.MasterClientService$Client.recv_executeTableOperation(MasterClientService.java:499)
at
org.apache.accumulo.core.master.thrift.MasterClientService$Client.executeTableOperation(MasterClientService.java:480)
at
org.apache.accumulo.core.client.admin.TableOperationsImpl.executeTableOperation(TableOperationsImpl.java:236)
at
org.apache.accumulo.core.client.admin.TableOperationsImpl.doTableOperation(TableOperationsImpl.java:289)
... 99 common frames omitted
{code}
Suggested fix is to check for the existence of the table before calling
{{createSchema()}}.
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