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via Apache's JIRA Issue Tracker by Hari Shreedharan, 1 year ago
This is supposed to be overridden by subclasses.
via Apache's JIRA Issue Tracker by stack, 1 year ago
This is supposed to be overridden by subclasses.
via apache.org by Unknown author, 2 years ago
This is supposed to be overridden by subclasses.
via spark-user by Vipul Pandey, 1 year ago
This is supposed to be overridden by subclasses.
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This is supposed to be overridden by subclasses.
via Stack Overflow by Gevorg
, 1 year ago
java.lang.UnsupportedOperationException: This is supposed to be overridden by subclasses.	at com.google.protobuf.GeneratedMessage.getUnknownFields(GeneratedMessage.java:180)	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$GetDatanodeReportRequestProto.getSerializedSize(ClientNamenodeProtocolProtos.java:21638)	at com.google.protobuf.AbstractMessageLite.toByteString(AbstractMessageLite.java:49)	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.constructRpcRequest(ProtobufRpcEngine.java:137)	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:181)	at com.sun.proxy.$Proxy15.getDatanodeReport(Unknown Source)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:165)	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:84)	at com.sun.proxy.$Proxy15.getDatanodeReport(Unknown Source)	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getDatanodeReport(ClientNamenodeProtocolTranslatorPB.java:488)	at org.apache.hadoop.hdfs.DFSClient.datanodeReport(DFSClient.java:1642)	at org.apache.hadoop.hdfs.MiniDFSCluster.waitActive(MiniDFSCluster.java:1703)	at org.apache.hadoop.hdfs.MiniDFSCluster.waitActive(MiniDFSCluster.java:1722)	at org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1066)	at org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:929)	at org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:588)	at org.apache.hadoop.hdfs.MiniDFSCluster.(MiniDFSCluster.java:527)	at org.apache.hadoop.hdfs.MiniDFSCluster.(MiniDFSCluster.java:398)	at org.apache.flume.sink.hdfs.TestHDFSEventSinkOnMiniCluster.simpleHDFSTest(TestHDFSEventSinkOnMiniCluster.java:85)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)	at org.junit.runners.ParentRunner.run(ParentRunner.java:300)	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)	at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)	at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)