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From Jean-Marc Spaggiari <jean-m...@spaggiari.org>
Subject Re: InvocationTargetException exception from org.apache.hadoop.hbase.client.HConnectionManager.createConnection
Date Tue, 03 Mar 2015 16:29:43 GMT
Hi Chandrashekhar,

Can you make sure your hbase-site.xml is into the classpath and remove the
addResouce line from your code?

JM

2015-03-03 0:07 GMT-05:00 Chandrashekhar Kotekar <shekhar.kotekar@gmail.com>
:

> My tomcat based REST API application is not able to process request due to
> above mentioned error. I have tried following things so far :
>
>    1. checking if all the jar files are available or not
>    2. Checking permissions on all files present in tomcat/webapp/ directory
>    3. firewall rules
>    4. Hbase is availabe or not
>
> but then also getting following exception. I am using CDH 5.3.1 which
> contains HBase 0.98.6. Does anyone know how to resolve this issue?
>
>
> 2015-03-03 05:09:02 privateLog [ERROR]
> java.lang.reflect.InvocationTargetException
>
> org.apache.hadoop.hbase.client.HConnectionManager.createConnection(HConnectionManager.java:413)
>
>
> org.apache.hadoop.hbase.client.HConnectionManager.createConnection(HConnectionManager.java:306)
>                 com.amazon.dao.MyDAO.<clinit>(SensorDataDAO.java:78)
>
> sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>
>
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
>
>
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
>
> java.lang.reflect.Constructor.newInstance(Constructor.java:526)
>
> org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:126)
>
>
> org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:74)
>
>
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:958)
>
>
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:911)
>
>
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:485)
>
>
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
>
>
> org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:291)
>
>
> org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
>
>
> org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:288)
>
>
> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190)
>
>
> org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:580)
>
>
> org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:895)
>
>
> org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:425)
>
>
> org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:276)
>
>
> org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:197)
>
>
> org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47)
>
>
> org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4779)
>
>
> org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5273)
>
> org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
>
>
> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:895)
>
> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:871)
>
> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:615)
>
> org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:958)
>
> org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1599)
>
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>
> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
>                 java.util.concurrent.FutureTask.run(FutureTask.java:166)
>
>
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>
>
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>                 java.lang.Thread.run(Thread.java:724)
>                 com.amazon.dao.MyDAO  <clinit>
>
>
> Code which tries to establish connection is as follows:
>
> public class MyDAO {
>
>   protected static HConnection connection;
>
>
>   static {
>       Configuration conf = HBaseConfiguration.create();
>       conf.addResource("hbase-site.xml");
>       connection = HConnectionManager.createConnection(conf);
>       // connection object is still null at this point
>     try {
>     } catch (Exception ex) {
>       ex.printStackTrace();
>     }
>   }
> }
>
>
> Regards,
> Chandrash3khar Kotekar
> Mobile - +91 8600011455
>

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