10/10 11:59:57.681 W????.p -- Aqua Data Studio 15.0.7-31 jvm1.7.0_60-b19
10/10 12:00:23.902 E???? enum.a 
java.sql.SQLSyntaxErrorException: Undefined name replicate_on_write in selection clause
'SELECT bloom_filter_fp_chance, caching, column_aliases, comment, compaction_strategy_class, compaction_strategy_options, comparator, compression_parameters, gc_grace_seconds, key_aliases, key_validator, local_read_repair_chance, read_repair_chance, replicate_on_write FROM system.schema_columnfamilies WHERE keyspace_name = 'diksha' AND columnfamily_name = 'Student''
	at org.apache.cassandra.cql.jdbc.CassandraStatement.doExecute(Unknown Source)
	at org.apache.cassandra.cql.jdbc.CassandraStatement.executeQuery(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.X???? abstract.executeQuery(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.E???? enum.a(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.E???? enum.a(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.E???? enum.a(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.f???? else.vQ(Unknown Source)
	at com.common.ui.tree._?°??$1.process(Unknown Source)
	at com.common.ui.util.BackgroundThread.run(Unknown Source)
Caused by: InvalidRequestException(why:Undefined name replicate_on_write in selection clause)
	at org.apache.cassandra.thrift.Cassandra$execute_cql3_query_result.read(Cassandra.java:37849)
	at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:78)
	at org.apache.cassandra.thrift.Cassandra$Client.recv_execute_cql3_query(Cassandra.java:1562)
	at org.apache.cassandra.thrift.Cassandra$Client.execute_cql3_query(Cassandra.java:1547)
	at org.apache.cassandra.cql.jdbc.CassandraConnection.execute(Unknown Source)
	at org.apache.cassandra.cql.jdbc.CassandraConnection.execute(Unknown Source)
	... 9 more
10/10 12:00:26.903 E???? enum.a 
java.sql.SQLSyntaxErrorException: Undefined name replicate_on_write in selection clause
'SELECT bloom_filter_fp_chance, caching, column_aliases, comment, compaction_strategy_class, compaction_strategy_options, comparator, compression_parameters, gc_grace_seconds, key_aliases, key_validator, local_read_repair_chance, read_repair_chance, replicate_on_write FROM system.schema_columnfamilies WHERE keyspace_name = 'diksha' AND columnfamily_name = 'Student''
	at org.apache.cassandra.cql.jdbc.CassandraStatement.doExecute(Unknown Source)
	at org.apache.cassandra.cql.jdbc.CassandraStatement.executeQuery(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.X???? abstract.executeQuery(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.E???? enum.a(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.E???? enum.a(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.E???? enum.a(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.G????.dW(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.m???? synchronized 7.process(Unknown Source)
	at com.common.ui.util.BackgroundThread.run(Unknown Source)
Caused by: InvalidRequestException(why:Undefined name replicate_on_write in selection clause)
	at org.apache.cassandra.thrift.Cassandra$execute_cql3_query_result.read(Cassandra.java:37849)
	at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:78)
	at org.apache.cassandra.thrift.Cassandra$Client.recv_execute_cql3_query(Cassandra.java:1562)
	at org.apache.cassandra.thrift.Cassandra$Client.execute_cql3_query(Cassandra.java:1547)
	at org.apache.cassandra.cql.jdbc.CassandraConnection.execute(Unknown Source)
	at org.apache.cassandra.cql.jdbc.CassandraConnection.execute(Unknown Source)
	... 9 more
10/10 12:00:26.947 m???? synchronized 7.error 
java.lang.Exception: Table 'Student' is not found.
	at \\...\\ .\\??ñçêC???????\\.G????.dW(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.m???? synchronized 7.process(Unknown Source)
	at com.common.ui.util.BackgroundThread.run(Unknown Source)
10/10 12:00:29.550 E???? enum.a 
java.sql.SQLSyntaxErrorException: Undefined name replicate_on_write in selection clause
'SELECT bloom_filter_fp_chance, caching, column_aliases, comment, compaction_strategy_class, compaction_strategy_options, comparator, compression_parameters, gc_grace_seconds, key_aliases, key_validator, local_read_repair_chance, read_repair_chance, replicate_on_write FROM system.schema_columnfamilies WHERE keyspace_name = 'diksha' AND columnfamily_name = 'Student''
	at org.apache.cassandra.cql.jdbc.CassandraStatement.doExecute(Unknown Source)
	at org.apache.cassandra.cql.jdbc.CassandraStatement.executeQuery(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.X???? abstract.executeQuery(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.E???? enum.a(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.E???? enum.a(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.E???? enum.a(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.c???? switch.a(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.G???? protected this.a(Unknown Source)
	at com.aquafold.datastudio.mainframe.ActionHandler.actionPerformed(Unknown Source)
	at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
	at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
	at javax.swing.AbstractButton.doClick(Unknown Source)
	at com.jidesoft.plaf.vsnet.VsnetMenuItemUI.doClick(Unknown Source)
	at com.jidesoft.plaf.vsnet.VsnetMenuItemUI$MouseInputHandler.mouseReleased(Unknown Source)
	at java.awt.Component.processMouseEvent(Unknown Source)
	at javax.swing.JComponent.processMouseEvent(Unknown Source)
	at java.awt.Component.processEvent(Unknown Source)
	at java.awt.Container.processEvent(Unknown Source)
	at java.awt.Component.dispatchEventImpl(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Window.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
	at java.awt.EventQueue.access$200(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.awt.EventQueue$4.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue.dispatchEvent(Unknown Source)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.run(Unknown Source)
Caused by: InvalidRequestException(why:Undefined name replicate_on_write in selection clause)
	at org.apache.cassandra.thrift.Cassandra$execute_cql3_query_result.read(Cassandra.java:37849)
	at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:78)
	at org.apache.cassandra.thrift.Cassandra$Client.recv_execute_cql3_query(Cassandra.java:1562)
	at org.apache.cassandra.thrift.Cassandra$Client.execute_cql3_query(Cassandra.java:1547)
	at org.apache.cassandra.cql.jdbc.CassandraConnection.execute(Unknown Source)
	at org.apache.cassandra.cql.jdbc.CassandraConnection.execute(Unknown Source)
	... 47 more
10/10 12:00:33.547 E???? enum.a 
java.sql.SQLSyntaxErrorException: Undefined name replicate_on_write in selection clause
'SELECT bloom_filter_fp_chance, caching, column_aliases, comment, compaction_strategy_class, compaction_strategy_options, comparator, compression_parameters, gc_grace_seconds, key_aliases, key_validator, local_read_repair_chance, read_repair_chance, replicate_on_write FROM system.schema_columnfamilies WHERE keyspace_name = 'diksha' AND columnfamily_name = 'Student''
	at org.apache.cassandra.cql.jdbc.CassandraStatement.doExecute(Unknown Source)
	at org.apache.cassandra.cql.jdbc.CassandraStatement.executeQuery(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.X???? abstract.executeQuery(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.E???? enum.a(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.E???? enum.a(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.E???? enum.a(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.E???? try.GD(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.E???? try.i(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.E???? try.h(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.f???? super throws$1.cw(Unknown Source)
	at \\...\\ .\\??ñçêC???????\\.m???? synchronized 7.success(Unknown Source)
	at com.common.ui.util.BackgroundThread$1.run(Unknown Source)
	at java.awt.event.InvocationEvent.dispatch(Unknown Source)
	at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
	at java.awt.EventQueue.access$200(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.awt.EventQueue$3.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue.dispatchEvent(Unknown Source)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.run(Unknown Source)
Caused by: InvalidRequestException(why:Undefined name replicate_on_write in selection clause)
	at org.apache.cassandra.thrift.Cassandra$execute_cql3_query_result.read(Cassandra.java:37849)
	at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:78)
	at org.apache.cassandra.thrift.Cassandra$Client.recv_execute_cql3_query(Cassandra.java:1562)
	at org.apache.cassandra.thrift.Cassandra$Client.execute_cql3_query(Cassandra.java:1547)
	at org.apache.cassandra.cql.jdbc.CassandraConnection.execute(Unknown Source)
	at org.apache.cassandra.cql.jdbc.CassandraConnection.execute(Unknown Source)
	... 26 more