報錯資訊如下
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/D:/Program%20Files/apache-maven-3.6.1/respository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/D:/Program%20Files/apache-maven-3.6.1/respository/org/slf4j/slf4j-log4j12/1.7.30/slf4j-log4j12-1.7.30.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [ch.qos.logback.classic.util.ContextSelectorStaticBinder]
14:36:57.149 [main] DEBUG org.apache.hadoop.util.Shell - Failed to detect a valid hadoop home directory
java.io.FileNotFoundException: HADOOP_HOME and hadoop.home.dir are unset.
at org.apache.hadoop.util.Shell.checkHadoopHomeInner(Shell.java:469)
at org.apache.hadoop.util.Shell.checkHadoopHome(Shell.java:440)
at org.apache.hadoop.util.Shell.<clinit>(Shell.java:517)
at org.apache.hadoop.util.StringUtils.<clinit>(StringUtils.java:78)
at org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:3482)
at org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:3477)
at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:3319)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:479)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:227)
at com.doudou.hadoop.hdfs.HdfsTest.main(HdfsTest.java:18)
14:36:57.156 [main] WARN org.apache.hadoop.util.Shell - Did not find winutils.exe: {}
java.io.FileNotFoundException: java.io.FileNotFoundException: HADOOP_HOME and hadoop.home.dir are unset. -see https://wiki.apache.org/hadoop/WindowsProblems
at org.apache.hadoop.util.Shell.fileNotFoundException(Shell.java:549)
at org.apache.hadoop.util.Shell.getHadoopHomeDir(Shell.java:570)
at org.apache.hadoop.util.Shell.getQualifiedBin(Shell.java:593)
at org.apache.hadoop.util.Shell.<clinit>(Shell.java:690)
at org.apache.hadoop.util.StringUtils.<clinit>(StringUtils.java:78)
at org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:3482)
at org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:3477)
at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:3319)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:479)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:227)
at com.doudou.hadoop.hdfs.HdfsTest.main(HdfsTest.java:18)
Caused by: java.io.FileNotFoundException: HADOOP_HOME and hadoop.home.dir are unset.
at org.apache.hadoop.util.Shell.checkHadoopHomeInner(Shell.java:469)
at org.apache.hadoop.util.Shell.checkHadoopHome(Shell.java:440)
at org.apache.hadoop.util.Shell.<clinit>(Shell.java:517)
... 7 common frames omitted
14:36:57.158 [main] DEBUG org.apache.hadoop.util.Shell - Failed to find winutils.exe
java.io.FileNotFoundException: java.io.FileNotFoundException: HADOOP_HOME and hadoop.home.dir are unset. -see https://wiki.apache.org/hadoop/WindowsProblems
at org.apache.hadoop.util.Shell.fileNotFoundException(Shell.java:549)
at org.apache.hadoop.util.Shell.getHadoopHomeDir(Shell.java:570)
at org.apache.hadoop.util.Shell.getQualifiedBin(Shell.java:593)
at org.apache.hadoop.util.Shell.<clinit>(Shell.java:690)
at org.apache.hadoop.util.StringUtils.<clinit>(StringUtils.java:78)
at org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:3482)
at org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:3477)
at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:3319)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:479)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:227)
at com.doudou.hadoop.hdfs.HdfsTest.main(HdfsTest.java:18)
Caused by: java.io.FileNotFoundException: HADOOP_HOME and hadoop.home.dir are unset.
at org.apache.hadoop.util.Shell.checkHadoopHomeInner(Shell.java:469)
at org.apache.hadoop.util.Shell.checkHadoopHome(Shell.java:440)
at org.apache.hadoop.util.Shell.<clinit>(Shell.java:517)
... 7 common frames omitted
想問下諸位， 報錯的意思是本地電腦也要安裝hadoop環境嗎？ 能解釋下原因嘛？
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檢查環境變數是否配置，可以用conf. set設定或將resources檔案夾中放一個core-site轉載請註明出處，本文鏈接：https://www.uj5u.com/qita/73503.html
標籤：分布式計算/Hadoop
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