Created
June 7, 2012 12:17
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cassandra start/stop and gremlin
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| gremlin> conf = new BaseConfiguration() | |
| ==>org.apache.commons.configuration.BaseConfiguration@301abf87 | |
| gremlin> conf.setProperty("storage.backend", "cassandra") | |
| ==>null | |
| gremlin> conf.setProperty("storage.hostname", "127.0.0.1") | |
| ==>null | |
| gremlin> g = TitanFactory.open(conf) | |
| ==>standardtitangraph[cassandra] | |
| gremlin> g.createKeyIndex("someid", Vertex.class) | |
| ==>null | |
| gremlin> g.stopTransaction(SUCCESS) | |
| ==>null | |
| gremlin> v = g.addVertex(null) | |
| ==>v[4] | |
| gremlin> v.setProperty("someid", 123) | |
| ==>null | |
| gremlin> g.stopTransaction(SUCCESS) | |
| ==>null | |
| gremlin> g.shutdown() | |
| ==>null | |
| -- stop and restart cassandra | |
| gremlin> g = TitanFactory.open(conf) | |
| ==>standardtitangraph[cassandra] | |
| gremlin> g.shutdown() | |
| ==>null | |
| -- stop cassandra, delete the cassandra related data directories and restart cassandra | |
| gremlin> g = TitanFactory.open(conf) | |
| Exception in storage backend. | |
| Display stack trace? [yN] y | |
| com.thinkaurelius.titan.core.GraphStorageException: Exception in storage backend. | |
| at com.thinkaurelius.titan.diskstorage.cassandra.thriftpool.UncheckedGenericKeyedObjectPool.borrowObject(UncheckedGenericKeyedObjectPool.java:44) | |
| at com.thinkaurelius.titan.diskstorage.cassandra.thriftpool.UncheckedGenericKeyedObjectPool.genericBorrowObject(UncheckedGenericKeyedObjectPool.java:74) | |
| at com.thinkaurelius.titan.diskstorage.cassandra.CassandraThriftOrderedKeyColumnValueStore.getSlice(CassandraThriftOrderedKeyColumnValueStore.java:157) | |
| at com.thinkaurelius.titan.diskstorage.cassandra.CassandraThriftOrderedKeyColumnValueStore.getSlice(CassandraThriftOrderedKeyColumnValueStore.java:192) | |
| at com.thinkaurelius.titan.diskstorage.util.OrderedKeyColumnValueIDManager.getIDBlock(OrderedKeyColumnValueIDManager.java:68) | |
| at com.thinkaurelius.titan.diskstorage.cassandra.CassandraThriftStorageManager.getIDBlock(CassandraThriftStorageManager.java:208) | |
| at com.thinkaurelius.titan.graphdb.database.idassigner.StandardIDPool.renewBuffer(StandardIDPool.java:73) | |
| at com.thinkaurelius.titan.graphdb.database.idassigner.StandardIDPool.<init>(StandardIDPool.java:42) | |
| at com.thinkaurelius.titan.graphdb.database.idassigner.SimpleVertexIDAssigner.<init>(SimpleVertexIDAssigner.java:42) | |
| at com.thinkaurelius.titan.graphdb.configuration.GraphDatabaseConfiguration.getIDAssigner(GraphDatabaseConfiguration.java:308) | |
| at com.thinkaurelius.titan.graphdb.database.StandardTitanGraph.<init>(StandardTitanGraph.java:83) | |
| at com.thinkaurelius.titan.core.TitanFactory.open(TitanFactory.java:60) | |
| at com.thinkaurelius.titan.core.TitanFactory$open.call(Unknown Source) | |
| at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:42) | |
| at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108) | |
| at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116) | |
| at groovysh_evaluate.run(groovysh_evaluate:39) | |
| at groovysh_evaluate$run.call(Unknown Source) | |
| at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:42) | |
| at groovysh_evaluate$run.call(Unknown Source) | |
| at org.codehaus.groovy.tools.shell.Interpreter.evaluate(Interpreter.groovy:67) | |
| at org.codehaus.groovy.tools.shell.Interpreter$evaluate.call(Unknown Source) | |
| at org.codehaus.groovy.tools.shell.Groovysh.execute(Groovysh.groovy:152) | |
| at org.codehaus.groovy.tools.shell.Shell.leftShift(Shell.groovy:114) | |
| at org.codehaus.groovy.tools.shell.Shell$leftShift$0.call(Unknown Source) | |
| at org.codehaus.groovy.tools.shell.ShellRunner.work(ShellRunner.groovy:88) | |
| at org.codehaus.groovy.tools.shell.InteractiveShellRunner.super$2$work(InteractiveShellRunner.groovy) | |
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) | |
| at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) | |
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) | |
| at java.lang.reflect.Method.invoke(Unknown Source) | |
| at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90) | |
| at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:233) | |
| at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1047) | |
| at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodOnSuperN(ScriptBytecodeAdapter.java:128) | |
| at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodOnSuper0(ScriptBytecodeAdapter.java:148) | |
| at org.codehaus.groovy.tools.shell.InteractiveShellRunner.work(InteractiveShellRunner.groovy:100) | |
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) | |
| at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) | |
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) | |
| at java.lang.reflect.Method.invoke(Unknown Source) | |
| at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSiteNoUnwrapNoCoerce.invoke(PogoMetaMethodSite.java:267) | |
| at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:52) | |
| at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:137) | |
| at org.codehaus.groovy.tools.shell.ShellRunner.run(ShellRunner.groovy:57) | |
| at org.codehaus.groovy.tools.shell.InteractiveShellRunner.super$2$run(InteractiveShellRunner.groovy) | |
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) | |
| at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) | |
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) | |
| at java.lang.reflect.Method.invoke(Unknown Source) | |
| at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90) | |
| at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:233) | |
| at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1047) | |
| at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodOnSuperN(ScriptBytecodeAdapter.java:128) | |
| at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodOnSuper0(ScriptBytecodeAdapter.java:148) | |
| at org.codehaus.groovy.tools.shell.InteractiveShellRunner.run(InteractiveShellRunner.groovy:66) | |
| at com.thinkaurelius.titan.util.gremlin.Console.<init>(Console.java:52) | |
| at com.thinkaurelius.titan.util.gremlin.Console.<init>(Console.java:59) | |
| at com.thinkaurelius.titan.util.gremlin.Console.main(Console.java:64) | |
| Caused by: InvalidRequestException(why:Keyspace titan does not exist) | |
| at org.apache.cassandra.thrift.Cassandra$set_keyspace_result.read(Cassandra.java:4790) | |
| at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:78) | |
| at org.apache.cassandra.thrift.Cassandra$Client.recv_set_keyspace(Cassandra.java:480) | |
| at org.apache.cassandra.thrift.Cassandra$Client.set_keyspace(Cassandra.java:467) | |
| at com.thinkaurelius.titan.diskstorage.cassandra.thriftpool.CTConnectionFactory.makeObject(CTConnectionFactory.java:69) | |
| at org.apache.commons.pool.impl.GenericKeyedObjectPool.borrowObject(GenericKeyedObjectPool.java:1190) | |
| at com.thinkaurelius.titan.diskstorage.cassandra.thriftpool.UncheckedGenericKeyedObjectPool.borrowObject(UncheckedGenericKeyedObjectPool.java:42) | |
| ... 58 more | |
| gremlin> |
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