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问题

tag-icon • tag-icon linux hadoop apache-spark
问题

问题

我正在尝试在 Hadoop 集群上安装 Spark。我已经安装并测试了 Hadoop。我可以探索 HDFS 并运行 MapReduce 示例。但是，当我尝试安装 Spark 时，我无法运行它，因为它无法启动并出现 EOFException。

系统信息：

  • Rocky Linux 8.8
  • 内核 4.18.0
  • Hadoop-3.3.6
  • spark-3.5.0-bin-不带 hadoop

设置：

  • node32.cluster-主节点
  • node[33-35].cluster-HDFS 和计算节点

笔记

  • /opt/我有带有 Hadoop 和 Spark 的NFS 目录，并/home在所有节点上共享，因此我确信配置是相同的。
  • 我hadoop:hadoop在所有节点都有用户

Hadoop 配置

核心站点.xml

<configuration>
    <property>
        <name>fs.default.name</name>
        <value>hdfs://node32.cluster:10000</value>
    </property>
</configuration>

hdfs-site.xml

<configuration>
    <property>
            <name>dfs.namenode.name.dir</name>
        <value>/mnt/hadoop/data/name_node</value>
    </property>

    <property>
            <name>dfs.datanode.data.dir</name>
            <value>/mnt/hadoop/data/data_node</value>
    </property>

    <property>
            <name>dfs.replication</name>
            <value>3</value>
    </property>
</configuration>

mapred-站点.xml

<configuration>
    <property>
        <name>mapreduce.framework.name</name>
        <value>yarn</value>
    </property>
    <property>
            <name>yarn.app.mapreduce.am.env</name>
        <value>HADOOP_MAPRED_HOME=$HADOOP_HOME</value>
    </property>
    <property>
        <name>mapreduce.map.env</name>
        <value>HADOOP_MAPRED_HOME=$HADOOP_HOME</value>
    </property>
    <property>
        <name>mapreduce.reduce.env</name>
        <value>HADOOP_MAPRED_HOME=$HADOOP_HOME</value>
    </property>
</configuration>

纱线-站点.xml

<configuration>
    <property>
        <name>yarn.acl.enable</name>
        <value>0</value>
    </property>
    <property>
        <name>yarn.resourcemanager.hostname</name>
        <value>node32</value>
    </property>
    <property>
        <name>yarn.nodemanager.aux-services</name>
        <value>mapreduce_shuffle</value>
    </property>
    <property>
        <name>yarn.nodemanager.resource.detect-hardware-capabilities</name>
        <value>true</value>
    </property>
</configuration>

Spark 配置

spark-defaults.conf

spark.master                       yarn
spark.eventLog.enabled             true
spark.eventLog.dir                 hdfs://node32.cluster:9000/spark-logs
spark.history.provider             org.apache.spark.deploy.history.FsHistoryProvider
spark.history.fs.logDirectory      hdfs://node32.cluster:9000/spark-logs
spark.history.fs.update.interval   10s
spark.history.ui.port              18

spark-env.sh

export SPARK_DIST_CLASSPATH="$(hadoop classpath)"

环境

export HADOOP_HOME="/opt/hadoop-3.3.6"
export HADOOP_CONF_DIR="$HADOOP_HOME/etc/hadoop"
export SPARK_HOME="/opt/spark-3.5.0-bin-without-hadoop"
export LD_LIBRARY_PATH="$HADOOP_HOME/lib/native:$LD_LIBRARY_PATH"

运行与问题

$HADOOP_HOME/sbin/start-all.sh

主服务器上的 JPS 结果

4069901 ResourceManager
4077965 Master
4068697 SecondaryNameNode
4078614 Worker
4088135 Jps
4067905 NameNode

其他节点上的 JPS 结果

3350467 NodeManager
3357158 Jps
3349966 DataNode

运行示例

spark-submit \
  --class org.apache.spark.examples.SparkPi \
  --master yarn \
  --deploy-mode cluster \
  --num-executors 1 \
  $SPARK_HOME/examples/jars/spark-examples_2.12-3.5.0.jar

来自节点的错误日志

02:41:16.548 [Driver] ERROR org.apache.spark.SparkContext - Error initializing SparkContext.
java.io.IOException: DestHost:destPort node32.cluster:9000 , LocalHost:localPort node34/192.168.100.34:0. Failed on local exception: java.io.IOException: java.io.EOFException
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_392]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_392]
...

运行spark-shell，结果相同

spark-shell

错误日志

02:47:31.499 [main] ERROR org.apache.spark.SparkContext - Error initializing SparkContext.
java.io.EOFException: End of File Exception between local host is: "node32/192.168.100.32"; destination host is: "node32.cluster":9000; : java.io.EOFException; For more details see:  http://wiki.apache.org/hadoop/EOFException
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_392]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_392]
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_392]
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_392]
...

我看了维基百科，但我不明白其根本原因是什么。

结论

有人能帮忙解决这个问题吗？

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