Titan API Client

[Abhilash Krishnan]

I am getting following errror while connecting to Titan Server from Titan client API

06:31:15,112  INFO ConnectionPoolMBeanManager:53 - Registering mbean: com.netflix.MonitoredResources:type=ASTYANAX,name=ClusterTitanConnectionPool,ServiceType=connectionpool

06:31:15,140  INFO CountingConnectionPoolMonitor:194 - AddHost: 192.168.0.2

Exception in thread "main" java.lang.IllegalArgumentException: Could not instantiate implementation: com.thinkaurelius.titan.diskstorage.cassandra.astyanax.AstyanaxStoreManager

at com.thinkaurelius.titan.util.system.ConfigurationUtil.instantiate(ConfigurationUtil.java:55)

at com.thinkaurelius.titan.diskstorage.Backend.getImplementationClass(Backend.java:473)

at com.thinkaurelius.titan.diskstorage.Backend.getStorageManager(Backend.java:407)

at com.thinkaurelius.titan.graphdb.configuration.GraphDatabaseConfiguration.<init>(GraphDatabaseConfiguration.java:1320)

at com.thinkaurelius.titan.core.TitanFactory.open(TitanFactory.java:94)

at com.thinkaurelius.titan.core.TitanFactory.open(TitanFactory.java:84)

at com.thinkaurelius.titan.core.TitanFactory$Builder.open(TitanFactory.java:139)

at com.awiia.gremlin.TitanTest.main(TitanTest.java:30)

Caused by: java.lang.reflect.InvocationTargetException

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

at java.lang.reflect.Constructor.newInstance(Constructor.java:422)

at com.thinkaurelius.titan.util.system.ConfigurationUtil.instantiate(ConfigurationUtil.java:44)

... 7 more

Caused by: com.thinkaurelius.titan.diskstorage.TemporaryBackendException: Temporary failure in storage backend

at com.thinkaurelius.titan.diskstorage.cassandra.astyanax.AstyanaxStoreManager.ensureKeyspaceExists(AstyanaxStoreManager.java:572)

at com.thinkaurelius.titan.diskstorage.cassandra.astyanax.AstyanaxStoreManager.<init>(AstyanaxStoreManager.java:291)

... 12 more

Caused by: com.netflix.astyanax.connectionpool.exceptions.PoolTimeoutException: PoolTimeoutException: [host=192.168.0.2(192.168.0.2):9160, latency=10001(10001), attempts=1]Timed out waiting for connection

at com.netflix.astyanax.connectionpool.impl.SimpleHostConnectionPool.waitForConnection(SimpleHostConnectionPool.java:231)

at com.netflix.astyanax.connectionpool.impl.SimpleHostConnectionPool.borrowConnection(SimpleHostConnectionPool.java:198)

at com.netflix.astyanax.connectionpool.impl.RoundRobinExecuteWithFailover.borrowConnection(RoundRobinExecuteWithFailover.java:84)

at com.netflix.astyanax.connectionpool.impl.AbstractExecuteWithFailoverImpl.tryOperation(AbstractExecuteWithFailoverImpl.java:117)

at com.netflix.astyanax.connectionpool.impl.AbstractHostPartitionConnectionPool.executeWithFailover(AbstractHostPartitionConnectionPool.java:352)

at com.netflix.astyanax.thrift.ThriftClusterImpl.executeSchemaChangeOperation(ThriftClusterImpl.java:146)

at com.netflix.astyanax.thrift.ThriftClusterImpl.internalCreateKeyspace(ThriftClusterImpl.java:321)

at com.netflix.astyanax.thrift.ThriftClusterImpl.addKeyspace(ThriftClusterImpl.java:294)

at com.thinkaurelius.titan.diskstorage.cassandra.astyanax.AstyanaxStoreManager.ensureKeyspaceExists(AstyanaxStoreManager.java:567)

... 13 more