Troubleshooting

1. I get below error while persisting data:

org.scale7.cassandra.pelops.exceptions.InvalidRequestException at org.scale7.cassandra.pelops.exceptions.IExceptionTranslator$ExceptionTranslator.translate(IExceptionTranslator.java:47) at org.scale7.cassandra.pelops.Operand.tryOperation(Operand.java:109) at org.scale7.cassandra.pelops.Mutator.execute(Mutator.java:72) at com.impetus.kundera.cassandra.client.pelops.PelopsClient.writeData(PelopsClient.java:191) at com.impetus.kundera.cassandra.ColumnFamilyDataAccessor.write(ColumnFamilyDataAccessor.java:100) at com.impetus.kundera.db.DataManager.persist(DataManager.java:79) at com.impetus.kundera.ejb.EntityManagerImpl.persist(EntityManagerImpl.java:346) at com.impetus.kundera.examples.twitter.dao.TwitterService.addUser(TwitterService.java:64) at com.impetus.kundera.examples.twitter.TwitterTestSuite.addUsers(TwitterTestSuite.java:93) at com.impetus.kundera.examples.twitter.TwitterTestSuite.executeTestSuite(TwitterTestSuite.java:80) at com.impetus.kundera.examples.twitter.TwissandraTest.testOnExecute(TwissandraTest.java:88) 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 junit.framework.TestCase.runTest(TestCase.java:154) at junit.framework.TestCase.runBare(TestCase.java:127) at junit.framework.TestResult$1.protect(TestResult.java:106) at junit.framework.TestResult.runProtected(TestResult.java:124) at junit.framework.TestResult.run(TestResult.java:109) at junit.framework.TestCase.run(TestCase.java:118) at junit.framework.TestSuite.runTest(TestSuite.java:208) at junit.framework.TestSuite.run(TestSuite.java:203) at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:130) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) Caused by: InvalidRequestException(why:no keyspace has been specified) at org.apache.cassandra.thrift.Cassandra$batch_mutate_result.read(Cassandra.java:19045) at org.apache.cassandra.thrift.Cassandra$Client.recv_batch_mutate(Cassandra.java:1035) at org.apache.cassandra.thrift.Cassandra$Client.batch_mutate(Cassandra.java:1009) at org.scale7.cassandra.pelops.Mutator$1.execute(Mutator.java:67) at org.scale7.cassandra.pelops.Mutator$1.execute(Mutator.java:63) at org.scale7.cassandra.pelops.Operand.tryOperation(Operand.java:82) ... 27 more

Solution: If you are using Cassandra as standalone server, you need to create your keyspaces and column families before persisting/ accessing data.

Home