apache pig错误:java.lang.reflect.invocationtargetexception

a5g8bdjr  于 2021-05-29  发布在  Hadoop
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当我尝试从apache pig加载数据或将数据保存到csv以外的任何内容时,出现了一个错误。这是我的Pig代码:

REGISTER /usr/local/Cellar/pig/0.15.0/libexec/*.jar
REGISTER /usr/local/Cellar/pig/0.15.0/libexec/lib/*.jar
REGISTER /usr/local/Cellar/hbase/1.1.2/libexec/lib/*.jar
REGISTER /usr/local/Cellar/hadoop/2.7.2/libexec/share/hadoop/common/*.jar
REGISTER /usr/local/Cellar/hadoop/2.7.2/libexec/share/hadoop/common/lib/*.jar
REGISTER /usr/local/Cellar/hadoop/2.7.2/libexec/share/hadoop/mapreduce/*.jar
REGISTER /usr/local/Cellar/hadoop/2.7.2/libexec/share/hadoop/mapreduce/lib/*.jar
REGISTER /usr/local/Cellar/pig/0.15.0/libexec/lib/piggybank.jar

--generated_data = LOAD 'tableHive' USING org.apache.hive.hcatalog.pig.HCatLoader(',') AS (level:chararray, score:INT, attraction:chararray);

generated_data = LOAD 'CSVResults/ireland.csv' USING PigStorage(',') AS (level:chararray, score:INT, attraction:chararray);
DUMP generated_data;
fiveRating = FILTER generated_data BY (float)score>4;

level6 = FILTER fiveRating BY (float)level>5;

groupedbylevel = group level6 by attraction;

countAttractions = FOREACH groupedbylevel {
    level6Attractions = CROSS level6.level;
    generate group, COUNT(level6Attractions) AS listBylevel6;
};

orderlist = ORDER countAttractions BY listBylevel6 DESC;

limitorder = LIMIT orderlist 20;

STORE limitorder into 'Level6AttractionsIreland-limited2' using PigStorage(',');

STORE countAttractions into 'hbase://Level6AttractionsIreland' USING org.apache.pig.backend.hadoop.hbase.HBaseStorage('Ireland:level Ireland:score Ireland:attraction');
STORE countAttractions INTO 'Level6AttractionsIreland' USING org.apache.pig.backend.hadoop.hbase.HBaseStorage(',');

以下是pig日志文件中的错误:

Pig Stack Trace
---------------
ERROR 2999: Unexpected internal error. java.io.IOException: java.lang.reflect.InvocationTargetException

java.lang.RuntimeException: java.io.IOException: java.lang.reflect.InvocationTargetException
    at org.apache.hadoop.hbase.mapreduce.TableOutputFormat.setConf(TableOutputFormat.java:211)
    at org.apache.pig.backend.hadoop.hbase.HBaseStorage.getOutputFormat(HBaseStorage.java:928)
    at org.apache.pig.newplan.logical.visitor.InputOutputFileValidatorVisitor.visit(InputOutputFileValidatorVisitor.java:69)
    at org.apache.pig.newplan.logical.relational.LOStore.accept(LOStore.java:66)
    at org.apache.pig.newplan.DepthFirstWalker.depthFirst(DepthFirstWalker.java:64)
    at org.apache.pig.newplan.DepthFirstWalker.depthFirst(DepthFirstWalker.java:66)
    at org.apache.pig.newplan.DepthFirstWalker.walk(DepthFirstWalker.java:53)
    at org.apache.pig.newplan.PlanVisitor.visit(PlanVisitor.java:52)
    at org.apache.pig.newplan.logical.relational.LogicalPlan.validate(LogicalPlan.java:212)
    at org.apache.pig.PigServer$Graph.compile(PigServer.java:1767)
    at org.apache.pig.PigServer$Graph.access$300(PigServer.java:1443)
    at org.apache.pig.PigServer.execute(PigServer.java:1356)
    at org.apache.pig.PigServer.executeBatch(PigServer.java:415)
    at org.apache.pig.PigServer.executeBatch(PigServer.java:398)
    at org.apache.pig.tools.grunt.GruntParser.executeBatch(GruntParser.java:171)
    at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:234)
    at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:205)
    at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:81)
    at org.apache.pig.Main.run(Main.java:631)
    at org.apache.pig.Main.main(Main.java:177)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
    at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
Caused by: java.io.IOException: java.lang.reflect.InvocationTargetException
    at org.apache.hadoop.hbase.client.HConnectionManager.createConnection(HConnectionManager.java:459)
    at org.apache.hadoop.hbase.client.HConnectionManager.createConnection(HConnectionManager.java:436)
    at org.apache.hadoop.hbase.client.HConnectionManager.getConnection(HConnectionManager.java:317)
    at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:198)
    at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:160)
    at org.apache.hadoop.hbase.mapreduce.TableOutputFormat.setConf(TableOutputFormat.java:206)
    ... 25 more
Caused by: java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    at org.apache.hadoop.hbase.client.HConnectionManager.createConnection(HConnectionManager.java:457)
    ... 30 more
Caused by: java.lang.NoClassDefFoundError: org/cloudera/htrace/Trace
    at org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:218)
    at org.apache.hadoop.hbase.zookeeper.ZKUtil.checkExists(ZKUtil.java:481)
    at org.apache.hadoop.hbase.zookeeper.ZKClusterId.readClusterIdZNode(ZKClusterId.java:65)
    at org.apache.hadoop.hbase.client.ZooKeeperRegistry.getClusterId(ZooKeeperRegistry.java:83)
    at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.retrieveClusterId(HConnectionManager.java:907)
    at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.<init>(HConnectionManager.java:701)
    ... 35 more
Caused by: java.lang.ClassNotFoundException: org.cloudera.htrace.Trace
    at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    ... 41 more
================================================================================

如您所见,我尝试添加了所有可能相关的jar文件,并且删除了除load和store命令之外的所有命令,以查看是否是代码导致了这种情况,但是我得到了相同的结果。我对Pig很陌生,所以很抱歉如果这是一个愚蠢的错误,我已经在其他地方寻找答案,但在这个阶段没有任何工作为我。另外,我在一个本地安装了hadoop、hbase和hive的mac上运行命令'pig-x local test.pig'。任何建议都很好,谢谢!

xvw2m8pv

xvw2m8pv1#

我不确定您从何处获取依赖项,但您的代码正在查找某个不存在的cloudera包,因此出现了错误。

Caused by: java.lang.ClassNotFoundException: org.cloudera.htrace.Trace

我刚用下载了hbase brew install hbase ,正确的类文件是 org.apache.htrace.Trace 位于 /usr/local/Cellar/hbase/.../htrace-core-*.jar 因此,我建议您下载最新版本的hbase库。

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