env: HDP: 3.1.5(hadoop: 3.1.1, hive: 3.1.0), Flink: 1.12.2 Java code:
public static void main(String[] args) {
EnvironmentSettings settings = EnvironmentSettings.newInstance().useBlinkPlanner().build();
TableEnvironment tblEnv=TableEnvironment.create(settings);
String name = "myhive";
String defaultDatabase = "default";
String hiveConfDir = "/etc/hive/conf";
HiveCatalog hive = new HiveCatalog(name, defaultDatabase, hiveConfDir);
tblEnv.registerCatalog("myhive", hive);
tblEnv.useCatalog("myhive");
//tblEnv.getConfig().setSqlDialect(SqlDialect.HIVE);
tblEnv.sqlQuery("SELECT * FROM users").execute().print();
}
Dependency:
<dependency>
<groupId>org.apache.flink</groupId>
<artifactId>flink-table-api-java-bridge_2.12</artifactId>
<version>${flink.version}</version>
</dependency>
<dependency>
<groupId>org.apache.flink</groupId>
<artifactId>flink-connector-hive_2.12</artifactId>
<version>${flink.version}</version>
</dependency>
error 1:
org.apache.flink.util.FlinkException: JobMaster for job 35afe414e1dd861c86130ddd031312f2 failed.
at org.apache.flink.runtime.dispatcher.Dispatcher.jobMasterFailed(Dispatcher.java:887) ~[flink-dist_2.12-1.12.2.jar:1.12.2]
at org.apache.flink.runtime.dispatcher.Dispatcher.dispatcherJobFailed(Dispatcher.java:465) ~[flink-dist_2.12-1.12.2.jar:1.12.2]
at org.apache.flink.runtime.dispatcher.Dispatcher.handleDispatcherJobResult(Dispatcher.java:444) ~[flink-dist_2.12-1.12.2.jar:1.12.2]
...
Caused by: org.apache.flink.runtime.client.JobInitializationException: Could not instantiate JobManager.
at org.apache.flink.runtime.dispatcher.Dispatcher.lambda$createJobManagerRunner$5(Dispatcher.java:494) ~[flink-dist_2.12-1.12.2.jar:1.12.2]
at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1604) ~[?:1.8.0_292]
...
Caused by: org.apache.flink.runtime.JobException: Cannot instantiate the coordinator for operator Source: HiveSource-zjdev_xiangliang.users -> SinkConversionToTuple2
at org.apache.flink.runtime.executiongraph.ExecutionJobVertex.<init>(ExecutionJobVertex.java:231) ~[flink-dist_2.12-1.12.2.jar:1.12.2]
at org.apache.flink.runtime.executiongraph.ExecutionGraph.attachJobGraph(ExecutionGraph.java:866) ~[flink-dist_2.12-1.12.2.jar:1.12.2]
...
Caused by: java.lang.NoClassDefFoundError: Lorg/apache/hadoop/mapred/JobConf;
at java.lang.Class.getDeclaredFields0(Native Method) ~[?:1.8.0_292]
at java.lang.Class.privateGetDeclaredFields(Class.java:2583) ~[?:1.8.0_292]
at java.lang.Class.getDeclaredField(Class.java:2068) ~[?:1.8.0_292]
at java.io.ObjectStreamClass.getDeclaredSUID(ObjectStreamClass.java:1871) ~[?:1.8.0_292]
...
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.mapred.JobConf
at java.net.URLClassLoader.findClass(URLClassLoader.java:382) ~[?:1.8.0_292]
at java.lang.ClassLoader.loadClass(ClassLoader.java:418) ~[?:1.8.0_292]
...
try add dependency
<dependency>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-mapreduce-client-core</artifactId>
<version>${hadoop.version}</version>
<scope>provided</scope>
</dependency>
get another error
Exception in thread "main" java.lang.NoSuchMethodError: org.apache.commons.cli.Option.builder(Ljava/lang/String;)Lorg/apache/commons/cli/Option$Builder;
at org.apache.flink.runtime.entrypoint.parser.CommandLineOptions.<clinit>(CommandLineOptions.java:27)
at org.apache.flink.runtime.entrypoint.DynamicParametersConfigurationParserFactory.options(DynamicParametersConfigurationParserFactory.java:43)
at org.apache.flink.runtime.entrypoint.DynamicParametersConfigurationParserFactory.getOptions(DynamicParametersConfigurationParserFactory.java:50)
at org.apache.flink.runtime.entrypoint.parser.CommandLineParser.parse(CommandLineParser.java:42)
at org.apache.flink.runtime.entrypoint.ClusterEntrypointUtils.parseParametersOrExit(ClusterEntrypointUtils.java:63)
at org.apache.flink.yarn.entrypoint.YarnJobClusterEntrypoint.main(YarnJobClusterEntrypoint.java:89)
try to fix conflict about commons-cli:1.3.1 with 1.2: choose 1.3.1 then error 1; choose 1.2 then error 2; add dependency commons-cli 1.4, then error 1.
CodePudding user response:
1、commons-cli choose 1.3.1 or 1.4
2、add $hadoop_home/../hadoop_mapreduce/* to yarn.application.classpath