It looks like you need to do 'ant realclean' first.

On Thu, Dec 3, 2020 at 2:28 PM Technical Shil
<technicalblog.s...@gmail.com> wrote:
>
> I am using java8. I am getting the following error when executing 'ant'
> command.
>
>
> build-test:
>
>     [javac] Compiling 58 source files to
> /Users/sshil/opensource/cassandra/build/test/classes
>
>     [javac] warning: Supported source version 'RELEASE_6' from annotation
> processor 'org.openjdk.jmh.generators.BenchmarkProcessor' less than -source
> '1.8'
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/impl/AbstractCluster.java:117:
> error: cannot find symbol
>
>     [javac]
>   InstanceClassLoader.getDefaultLoadSharedFilter().test(s) ||
>
>     [javac]
>                   ^
>
>     [javac]   symbol:   method getDefaultLoadSharedFilter()
>
>     [javac]   location: class InstanceClassLoader
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/impl/DelegatingInvokableInstance.java:66:
> error: cannot find symbol
>
>     [javac]         return delegate().executeInternalWithResult(query,
> args);
>
>     [javac]                          ^
>
>     [javac]   symbol:   method executeInternalWithResult(String,Object[])
>
>     [javac]   location: interface IInvokableInstance
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/impl/DelegatingInvokableInstance.java:93:
> error: method does not override or implement a method from a supertype
>
>     [javac]     @Override
>
>     [javac]     ^
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/impl/DelegatingInvokableInstance.java:96:
> error: cannot find symbol
>
>     [javac]         return delegate().getReleaseVersionString();
>
>     [javac]                          ^
>
>     [javac]   symbol:   method getReleaseVersionString()
>
>     [javac]   location: interface IInvokableInstance
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/impl/AbstractCluster.java:177:
> error: constructor InstanceClassLoader in class InstanceClassLoader cannot
> be applied to given types;
>
>     [javac]             ClassLoader classLoader = new
> InstanceClassLoader(generation, config.num(), version.classpath,
> sharedClassLoader, SHARED_PREDICATE);
>
>     [javac]                                       ^
>
>     [javac]   required: int,int,URL[],ClassLoader
>
>     [javac]   found: int,int,URL[],ClassLoader,Predicate<String>
>
>     [javac]   reason: actual and formal argument lists differ in length
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/impl/AbstractCluster.java:251:
> error: method does not override or implement a method from a supertype
>
>     [javac]         @Override
>
>     [javac]         ^
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/impl/AbstractCluster.java:254:
> error: cannot find symbol
>
>     [javac]             return delegate().getLogsEnabled();
>
>     [javac]                              ^
>
>     [javac]   symbol:   method getLogsEnabled()
>
>     [javac]   location: interface IInvokableInstance
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/impl/AbstractCluster.java:257:
> error: method does not override or implement a method from a supertype
>
>     [javac]         @Override
>
>     [javac]         ^
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/impl/AbstractCluster.java:260:
> error: cannot find symbol
>
>     [javac]             return delegate().logs();
>
>     [javac]                              ^
>
>     [javac]   symbol:   method logs()
>
>     [javac]   location: interface IInvokableInstance
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/impl/AbstractCluster.java:689:
> error: method does not override or implement a method from a supertype
>
>     [javac]     @Override
>
>     [javac]     ^
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/impl/AbstractCluster.java:716:
> error: method does not override or implement a method from a supertype
>
>     [javac]     @Override
>
>     [javac]     ^
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/impl/Coordinator.java:51:
> error: Coordinator is not abstract and does not override abstract method
> asyncExecuteWithTracing(UUID,String,ConsistencyLevel,Object...) in
> ICoordinator
>
>     [javac] public class Coordinator implements ICoordinator
>
>     [javac]        ^
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/impl/Coordinator.java:60:
> error: executeWithResult(String,ConsistencyLevel,Object...) in Coordinator
> cannot implement executeWithResult(String,ConsistencyLevel,Object...) in
> ICoordinator
>
>     [javac]     public SimpleQueryResult executeWithResult(String query,
> ConsistencyLevel consistencyLevel, Object... boundValues)
>
>     [javac]                              ^
>
>     [javac]   return type SimpleQueryResult is not compatible with
> QueryResult
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/impl/Coordinator.java:59:
> error: method does not override or implement a method from a supertype
>
>     [javac]     @Override
>
>     [javac]     ^
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/impl/Coordinator.java:126:
> error: method does not override or implement a method from a supertype
>
>     [javac]     @Override
>
>     [javac]     ^
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/impl/Instance.java:127:
> error: Instance is not abstract and does not override abstract method
> executeInternal(String,Object...) in IInstance
>
>     [javac] public class Instance extends IsolatedExecutor implements
> IInvokableInstance
>
>     [javac]        ^
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/impl/Instance.java:148:
> error: method does not override or implement a method from a supertype
>
>     [javac]     @Override
>
>     [javac]     ^
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/impl/Instance.java:154:
> error: method does not override or implement a method from a supertype
>
>     [javac]     @Override
>
>     [javac]     ^
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/impl/Instance.java:186:
> error: method does not override or implement a method from a supertype
>
>     [javac]     @Override
>
>     [javac]     ^
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/impl/Instance.java:811:
> error: constructor NodeToolResult in class NodeToolResult cannot be applied
> to given types;
>
>     [javac]                 return new NodeToolResult(commandAndArgs, rc,
>
>     [javac]                        ^
>
>     [javac]   required: String[],int,List<Notification>,Throwable
>
>     [javac]   found:
> String[],int,ArrayList<Notification>,Throwable,String,String
>
>     [javac]   reason: actual and formal argument lists differ in length
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/impl/Instance.java:817:
> error: incompatible types: Object cannot be converted to NodeToolResult
>
>     [javac]         }).call();
>
>     [javac]                ^
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/TestBaseImpl.java:28:
> error: TestBaseImpl is not abstract and does not override abstract method
> <I,C>builder() in DistributedTestBase
>
>     [javac] public class TestBaseImpl extends DistributedTestBase
>
>     [javac]        ^
>
>     [javac]   where I,C are type-variables:
>
>     [javac]     I extends IInstance declared in method <I,C>builder()
>
>     [javac]     C extends ICluster declared in method <I,C>builder()
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/TestBaseImpl.java:41:
> error: builder() in TestBaseImpl cannot override <I,C>builder() in
> DistributedTestBase
>
>     [javac]     public Cluster.Builder builder() {
>
>     [javac]                            ^
>
>     [javac]   return type org.apache.cassandra.distributed.Cluster.Builder
> is not compatible with org.apache.cassandra.distributed.shared.Builder<I,C>
>
>     [javac]   where I,C are type-variables:
>
>     [javac]     I extends IInstance declared in method <I,C>builder()
>
>     [javac]     C extends ICluster declared in method <I,C>builder()
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/TestBaseImpl.java:40:
> error: method does not override or implement a method from a supertype
>
>     [javac]     @Override
>
>     [javac]     ^
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/BootstrapBinaryDisabledTest.java:44:
> error: builder() in TestBaseImpl cannot override <I,C>builder() in
> DistributedTestBase
>
>     [javac] public class BootstrapBinaryDisabledTest extends TestBaseImpl
>
>     [javac]        ^
>
>     [javac]   return type org.apache.cassandra.distributed.Cluster.Builder
> is not compatible with org.apache.cassandra.distributed.shared.Builder<I,C>
>
>     [javac]   where I,C are type-variables:
>
>     [javac]     I extends IInstance declared in method <I,C>builder()
>
>     [javac]     C extends ICluster declared in method <I,C>builder()
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/BootstrapBinaryDisabledTest.java:122:
> error: cannot find symbol
>
>     [javac]         node.logs().watchFor("Starting listening for CQL
> clients");
>
>     [javac]             ^
>
>     [javac]   symbol:   method logs()
>
>     [javac]   location: variable node of type IInvokableInstance
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/BootstrapBinaryDisabledTest.java:128:
> error: cannot find symbol
>
>     [javac]         SimpleQueryResult qr =
> node.executeInternalWithResult("SELECT bootstrapped FROM system.local WHERE
> key='local'");
>
>     [javac]                                    ^
>
>     [javac]   symbol:   method executeInternalWithResult(String)
>
>     [javac]   location: variable node of type IInvokableInstance
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/BootstrapBinaryDisabledTest.java:135:
> error: cannot find symbol
>
>     [javac]         LogResult<List<String>> results = node.logs().grep(msg);
>
>     [javac]                                               ^
>
>     [javac]   symbol:   method logs()
>
>     [javac]   location: variable node of type IInvokableInstance
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/BootstrapTest.java:39:
> error: builder() in TestBaseImpl cannot override <I,C>builder() in
> DistributedTestBase
>
>     [javac] public class BootstrapTest extends TestBaseImpl
>
>     [javac]        ^
>
>     [javac]   return type org.apache.cassandra.distributed.Cluster.Builder
> is not compatible with org.apache.cassandra.distributed.shared.Builder<I,C>
>
>     [javac]   where I,C are type-variables:
>
>     [javac]     I extends IInstance declared in method <I,C>builder()
>
>     [javac]     C extends ICluster declared in method <I,C>builder()
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/ByteBuddyExamples.java:44:
> error: builder() in TestBaseImpl cannot override <I,C>builder() in
> DistributedTestBase
>
>     [javac] public class ByteBuddyExamples extends TestBaseImpl
>
>     [javac]        ^
>
>     [javac]   return type org.apache.cassandra.distributed.Cluster.Builder
> is not compatible with org.apache.cassandra.distributed.shared.Builder<I,C>
>
>     [javac]   where I,C are type-variables:
>
>     [javac]     I extends IInstance declared in method <I,C>builder()
>
>     [javac]     C extends ICluster declared in method <I,C>builder()
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/CASTest.java:53:
> error: builder() in TestBaseImpl cannot override <I,C>builder() in
> DistributedTestBase
>
>     [javac] public class CASTest extends TestBaseImpl
>
>     [javac]        ^
>
>     [javac]   return type org.apache.cassandra.distributed.Cluster.Builder
> is not compatible with org.apache.cassandra.distributed.shared.Builder<I,C>
>
>     [javac]   where I,C are type-variables:
>
>     [javac]     I extends IInstance declared in method <I,C>builder()
>
>     [javac]     C extends ICluster declared in method <I,C>builder()
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/ClientNetworkStopStartTest.java:46:
> error: builder() in TestBaseImpl cannot override <I,C>builder() in
> DistributedTestBase
>
>     [javac] public class ClientNetworkStopStartTest extends TestBaseImpl
>
>     [javac]        ^
>
>     [javac]   return type org.apache.cassandra.distributed.Cluster.Builder
> is not compatible with org.apache.cassandra.distributed.shared.Builder<I,C>
>
>     [javac]   where I,C are type-variables:
>
>     [javac]     I extends IInstance declared in method <I,C>builder()
>
>     [javac]     C extends ICluster declared in method <I,C>builder()
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/ClientNetworkStopStartTest.java:85:
> error: incompatible types: QueryResult cannot be converted to
> SimpleQueryResult
>
>     [javac]             SimpleQueryResult qr =
> cluster.coordinator(1).executeWithResult("SELECT * FROM " + KEYSPACE +
> ".tbl", ConsistencyLevel.ALL);
>
>     [javac]
>             ^
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/ClientNetworkStopStartTest.java:86:
> error: no suitable method found for
> assertRows(SimpleQueryResult,SimpleQueryResult)
>
>     [javac]             AssertUtils.assertRows(qr,
> QueryResults.builder().row(0, 0).build());
>
>     [javac]                        ^
>
>     [javac]     method AssertUtils.assertRows(Object[][],Object[]...) is
> not applicable
>
>     [javac]       (argument mismatch; SimpleQueryResult cannot be converted
> to Object[][])
>
>     [javac]     method
> AssertUtils.assertRows(Iterator<Object[]>,Iterator<Object[]>) is not
> applicable
>
>     [javac]       (argument mismatch; SimpleQueryResult cannot be converted
> to Iterator<Object[]>)
>
>     [javac]     method
> AssertUtils.assertRows(Iterator<Object[]>,Object[]...) is not applicable
>
>     [javac]       (argument mismatch; SimpleQueryResult cannot be converted
> to Iterator<Object[]>)
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/ClientNetworkStopStartTest.java:117:
> error: incompatible types: QueryResult cannot be converted to
> SimpleQueryResult
>
>     [javac]             SimpleQueryResult qr =
> cluster.coordinator(1).executeWithResult("SELECT * FROM " + KEYSPACE +
> ".tbl", ConsistencyLevel.ALL);
>
>     [javac]
>             ^
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/ClientNetworkStopStartTest.java:118:
> error: no suitable method found for
> assertRows(SimpleQueryResult,SimpleQueryResult)
>
>     [javac]             AssertUtils.assertRows(qr,
> QueryResults.builder().row(0, 0).build());
>
>     [javac]                        ^
>
>     [javac]     method AssertUtils.assertRows(Object[][],Object[]...) is
> not applicable
>
>     [javac]       (argument mismatch; SimpleQueryResult cannot be converted
> to Object[][])
>
>     [javac]     method
> AssertUtils.assertRows(Iterator<Object[]>,Iterator<Object[]>) is not
> applicable
>
>     [javac]       (argument mismatch; SimpleQueryResult cannot be converted
> to Iterator<Object[]>)
>
>     [javac]     method
> AssertUtils.assertRows(Iterator<Object[]>,Object[]...) is not applicable
>
>     [javac]       (argument mismatch; SimpleQueryResult cannot be converted
> to Iterator<Object[]>)
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/ClientNetworkStopStartTest.java:130:
> error: cannot find symbol
>
>     [javac]         asserts.stdoutContains(expectedStatus);
>
>     [javac]                ^
>
>     [javac]   symbol:   method stdoutContains(String)
>
>     [javac]   location: variable asserts of type NodeToolResult.Asserts
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/ClientNetworkStopStartTest.java:132:
> error: cannot find symbol
>
>     [javac]             asserts.stdoutNotContains(notExpected);
>
>     [javac]                    ^
>
>     [javac]   symbol:   method stdoutNotContains(String)
>
>     [javac]   location: variable asserts of type NodeToolResult.Asserts
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/GossipSettlesTest.java:29:
> error: builder() in TestBaseImpl cannot override <I,C>builder() in
> DistributedTestBase
>
>     [javac] public class GossipSettlesTest extends TestBaseImpl
>
>     [javac]        ^
>
>     [javac]   return type org.apache.cassandra.distributed.Cluster.Builder
> is not compatible with org.apache.cassandra.distributed.shared.Builder<I,C>
>
>     [javac]   where I,C are type-variables:
>
>     [javac]     I extends IInstance declared in method <I,C>builder()
>
>     [javac]     C extends ICluster declared in method <I,C>builder()
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/GossipShutdownTest.java:46:
> error: builder() in TestBaseImpl cannot override <I,C>builder() in
> DistributedTestBase
>
>     [javac] public class GossipShutdownTest extends TestBaseImpl
>
>     [javac]        ^
>
>     [javac]   return type org.apache.cassandra.distributed.Cluster.Builder
> is not compatible with org.apache.cassandra.distributed.shared.Builder<I,C>
>
>     [javac]   where I,C are type-variables:
>
>     [javac]     I extends IInstance declared in method <I,C>builder()
>
>     [javac]     C extends ICluster declared in method <I,C>builder()
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/GossipTest.java:53:
> error: builder() in TestBaseImpl cannot override <I,C>builder() in
> DistributedTestBase
>
>     [javac] public class GossipTest extends TestBaseImpl
>
>     [javac]        ^
>
>     [javac]   return type org.apache.cassandra.distributed.Cluster.Builder
> is not compatible with org.apache.cassandra.distributed.shared.Builder<I,C>
>
>     [javac]   where I,C are type-variables:
>
>     [javac]     I extends IInstance declared in method <I,C>builder()
>
>     [javac]     C extends ICluster declared in method <I,C>builder()
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/JVMDTestTest.java:51:
> error: builder() in TestBaseImpl cannot override <I,C>builder() in
> DistributedTestBase
>
>     [javac] public class JVMDTestTest extends TestBaseImpl
>
>     [javac]        ^
>
>     [javac]   return type org.apache.cassandra.distributed.Cluster.Builder
> is not compatible with org.apache.cassandra.distributed.shared.Builder<I,C>
>
>     [javac]   where I,C are type-variables:
>
>     [javac]     I extends IInstance declared in method <I,C>builder()
>
>     [javac]     C extends ICluster declared in method <I,C>builder()
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/JVMDTestTest.java:79:
> error: cannot find symbol
>
>     [javac]
>   assertFalse(cluster.get(1).logs().grep("^DEBUG").getResult().isEmpty());
>
>     [javac]                                       ^
>
>     [javac]   symbol:   method logs()
>
>     [javac]   location: interface IInvokableInstance
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/JVMDTestTest.java:81:
> error: cannot find symbol
>
>     [javac]             LogAction logs = cluster.get(2).logs();
>
>     [javac]                                            ^
>
>     [javac]   symbol:   method logs()
>
>     [javac]   location: interface IInvokableInstance
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/JVMStabilityInspectorCorruptSSTableExceptionTest.java:54:
> error: builder() in TestBaseImpl cannot override <I,C>builder() in
> DistributedTestBase
>
>     [javac] public class JVMStabilityInspectorCorruptSSTableExceptionTest
> extends TestBaseImpl
>
>     [javac]        ^
>
>     [javac]   return type org.apache.cassandra.distributed.Cluster.Builder
> is not compatible with org.apache.cassandra.distributed.shared.Builder<I,C>
>
>     [javac]   where I,C are type-variables:
>
>     [javac]     I extends IInstance declared in method <I,C>builder()
>
>     [javac]     C extends ICluster declared in method <I,C>builder()
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/MessageFiltersTest.java:40:
> error: builder() in TestBaseImpl cannot override <I,C>builder() in
> DistributedTestBase
>
>     [javac] public class MessageFiltersTest extends TestBaseImpl
>
>     [javac]        ^
>
>     [javac]   return type org.apache.cassandra.distributed.Cluster.Builder
> is not compatible with org.apache.cassandra.distributed.shared.Builder<I,C>
>
>     [javac]   where I,C are type-variables:
>
>     [javac]     I extends IInstance declared in method <I,C>builder()
>
>     [javac]     C extends ICluster declared in method <I,C>builder()
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/MessageForwardingTest.java:40:
> error: builder() in TestBaseImpl cannot override <I,C>builder() in
> DistributedTestBase
>
>     [javac] public class MessageForwardingTest extends TestBaseImpl
>
>     [javac]        ^
>
>     [javac]   return type org.apache.cassandra.distributed.Cluster.Builder
> is not compatible with org.apache.cassandra.distributed.shared.Builder<I,C>
>
>     [javac]   where I,C are type-variables:
>
>     [javac]     I extends IInstance declared in method <I,C>builder()
>
>     [javac]     C extends ICluster declared in method <I,C>builder()
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/NativeProtocolTest.java:38:
> error: builder() in TestBaseImpl cannot override <I,C>builder() in
> DistributedTestBase
>
>     [javac] public class NativeProtocolTest extends TestBaseImpl
>
>     [javac]        ^
>
>     [javac]   return type org.apache.cassandra.distributed.Cluster.Builder
> is not compatible with org.apache.cassandra.distributed.shared.Builder<I,C>
>
>     [javac]   where I,C are type-variables:
>
>     [javac]     I extends IInstance declared in method <I,C>builder()
>
>     [javac]     C extends ICluster declared in method <I,C>builder()
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/NetworkTopologyTest.java:36:
> error: builder() in TestBaseImpl cannot override <I,C>builder() in
> DistributedTestBase
>
>     [javac] public class NetworkTopologyTest extends TestBaseImpl
>
>     [javac]        ^
>
>     [javac]   return type org.apache.cassandra.distributed.Cluster.Builder
> is not compatible with org.apache.cassandra.distributed.shared.Builder<I,C>
>
>     [javac]   where I,C are type-variables:
>
>     [javac]     I extends IInstance declared in method <I,C>builder()
>
>     [javac]     C extends ICluster declared in method <I,C>builder()
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/NodeToolTest.java:29:
> error: builder() in TestBaseImpl cannot override <I,C>builder() in
> DistributedTestBase
>
>     [javac] public class NodeToolTest extends TestBaseImpl
>
>     [javac]        ^
>
>     [javac]   return type org.apache.cassandra.distributed.Cluster.Builder
> is not compatible with org.apache.cassandra.distributed.shared.Builder<I,C>
>
>     [javac]   where I,C are type-variables:
>
>     [javac]     I extends IInstance declared in method <I,C>builder()
>
>     [javac]     C extends ICluster declared in method <I,C>builder()
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/NodeToolTest.java:48:
> error: cannot find symbol
>
>     [javac]             ringResult.asserts().stdoutContains("Datacenter:
> datacenter0");
>
>     [javac]                                 ^
>
>     [javac]   symbol:   method stdoutContains(String)
>
>     [javac]   location: class NodeToolResult.Asserts
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/NodeToolTest.java:49:
> error: cannot find symbol
>
>     [javac]
>   ringResult.asserts().stdoutContains("127.0.0.1  rack0       Up
>   Normal");
>
>     [javac]                                 ^
>
>     [javac]   symbol:   method stdoutContains(String)
>
>     [javac]   location: class NodeToolResult.Asserts
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/NodeToolTest.java:50:
> error: cannot find symbol
>
>     [javac]             assertEquals("Non-empty error output", "",
> ringResult.getStderr());
>
>     [javac]
>   ^
>
>     [javac]   symbol:   method getStderr()
>
>     [javac]   location: variable ringResult of type NodeToolResult
>
>     [javac]
> /Users/sshil/opensource/cassandra/test/distributed/org/apache/cassandra/distributed/test/ReadRepairTest.java:28:
> error: builder() in TestBaseImpl cannot override <I,C>builder() in
> DistributedTestBase
>
>     [javac] public class ReadRepairTest extends TestBaseImpl
>
>     [javac]        ^
>
>     [javac]   return type org.apache.cassandra.distributed.Cluster.Builder
> is not compatible with org.apache.cassandra.distributed.shared.Builder<I,C>

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