Databases
StackOverflow2013
Postsdbo
POUse Hector edit exists Columnfamily and meanwhile add new columns get Error?
Body
 

Note that there are some explanatory texts on larger screens.

plurals
  1. POUse Hector edit exists Columnfamily and meanwhile add new columns get Error?
    text
    copied!<p>I am learning to use Hector and get a Error when I try to add a columnfamily with some new columns.</p> <p>The following code works, I only edit the columnfamily without new defined columns.</p> <pre><code>KeyspaceDefinition kd = gameCluster .describeKeyspace("testKeySpace"); //here i am try to add new columns in the columnfamily in the meanwhile //BasicColumnDefinition cd1 = new BasicColumnDefinition(); //cd1.setName(StringSerializer.get().toByteBuffer("basicColumnname1")); //cd1.setIndexName("testIndex"); //cd1.setValidationClass(ComparatorType.BYTESTYPE.getClassName()); BasicColumnFamilyDefinition bcf = new BasicColumnFamilyDefinition(); //add it to the new columnfamily //bcf.addColumnDefinition(cd1); bcf.setKeyspaceName("testKeySpace"); bcf.setName("testColumnFamily"); bcf.setComparatorType(ComparatorType.UTF8TYPE); gameCluster.addColumnFamily(bcf); </code></pre> <p>If i move the comment, then I get a error saying:</p> <pre><code>Exception in thread "main" me.prettyprint.hector.api.exceptions.HectorException: java.lang.NullPointerException at me.prettyprint.cassandra.service.ExceptionsTranslatorImpl.translate(ExceptionsTranslatorImpl.java:67) at me.prettyprint.cassandra.service.ThriftCluster$4.execute(ThriftCluster.java:105) at me.prettyprint.cassandra.service.ThriftCluster$4.execute(ThriftCluster.java:92) at me.prettyprint.cassandra.service.Operation.executeAndSetResult(Operation.java:104) at me.prettyprint.cassandra.connection.HConnectionManager.operateWithFailover(HConnectionManager.java:258) at me.prettyprint.cassandra.service.ThriftCluster.addColumnFamily(ThriftCluster.java:109) at me.prettyprint.cassandra.service.ThriftCluster.addColumnFamily(ThriftCluster.java:84) at game.cassandra.conn.DataPrepopulate.testAddColumnFamily(DataPrepopulate.java:91) at game.cassandra.conn.DataPrepopulate.main(DataPrepopulate.java:101) </code></pre> <p>Caused by: </p> <pre><code>java.lang.NullPointerException at me.prettyprint.cassandra.service.ThriftColumnDef.indexTypeToThrift(ThriftColumnDef.java:105) at me.prettyprint.cassandra.service.ThriftColumnDef.toThrift(ThriftColumnDef.java:97) at me.prettyprint.cassandra.service.ThriftColumnDef.toThriftList(ThriftColumnDef.java:88) at me.prettyprint.cassandra.service.ThriftCfDef.toThrift(ThriftCfDef.java:265) at me.prettyprint.cassandra.service.ThriftCluster$4.execute(ThriftCluster.java:99) ... 7 more </code></pre> <p>Can anyone help me out?</p>
 

Querying!

 
Guidance
An individual column

Larger individual text columns get their own page to allow for proper reading.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload