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Posted to dev@hbase.apache.org by "Jonathan Gray (JIRA)" <ji...@apache.org> on 2008/10/08 00:44:44 UTC
[jira] Commented: (HBASE-915) NPE on client when problems; symptom
hides real problem
[ https://issues.apache.org/jira/browse/HBASE-915?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12637688#action_12637688 ]
Jonathan Gray commented on HBASE-915:
-------------------------------------
As discussed in IRC, this is likely due to the wrong jars being used in the classpath.
This has bitten quite a few people, myself included. Is there a way to verify version numbers of the client lib vs server lib?
> NPE on client when problems; symptom hides real problem
> -------------------------------------------------------
>
> Key: HBASE-915
> URL: https://issues.apache.org/jira/browse/HBASE-915
> Project: Hadoop HBase
> Issue Type: Bug
> Reporter: stack
>
> From AlphaOmega:
> {code}
> 1.
> Caused by: java.lang.NullPointerException
> 2.
> at java.lang.String.<init>(String.java:516)
> 3.
> at org.apache.hadoop.hbase.util.Bytes.toString(Bytes.java:75)
> 4.
> at org.apache.hadoop.hbase.client.RetriesExhaustedException.getMessage(RetriesExhaustedException.java:50)
> 5.
> at org.apache.hadoop.hbase.client.RetriesExhaustedException.<init>(RetriesExhaustedException.java:40)
> 6.
> at org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getRegionServerWithRetries(HConnectionManager.java:863)
> 7.
> at org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:56)
> 8.
> at org.apache.hadoop.hbase.client.MetaScanner.metaScan(MetaScanner.java:30)
> 9.
> at org.apache.hadoop.hbase.client.HConnectionManager$TableServers.listTables(HConnectionManager.java:297)
> 10.
> at org.apache.hadoop.hbase.client.HBaseAdmin.listTables(HBaseAdmin.java:117)
> 11.
> at com.company.app.manager.util.TableUtils.createHBaseTable(TableUtils.java:113)
> 12.
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 13.
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 14.
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 15.
> at java.lang.reflect.Method.invoke(Method.java:597)
> 16.
> at org.springframework.util.MethodInvoker.invoke(MethodInvoker.java:276)
> 17.
> at org.springframework.beans.factory.config.MethodInvokingFactoryBean.doInvoke(MethodInvokingFactoryBean.java:160)
> 18.
> at org.springframework.beans.factory.config.MethodInvokingFactoryBean.afterPropertiesSet(MethodInvokingFactoryBean.java:150)
> 19.
> at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1368)
> 20.
> at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1334)
> 21.
> ... 65 more
> {code}
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