Error:org.apache.hive.service.cli.HiveSQLException:Error running query:org.apache.spark.sql.AnalysisException:Cannot write incompatible data to table'hudidb.store_returns_hudi_4':-Cannot write nullable values to
根据报错信息,提示Parquet数据源不支持null type类型的数据。既然是保存数据,我们很容易联想到FileFormatWriter,再结合错误信息: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 org.apache.spark.sql.execution.datasources.FileFormatWriter$.write(FileFormatWriter.scala:100 对应的源码为: 代码语言:javascript 代...
编译spark,hive on spark就不要加-Phive参数,若需sparkSQL支持hive语法则要加-Phive参数通过hive源文件pom.xml查看适配的spark版本,只要打版本保持一致就行,例如spark1.6.0和1.6.2都能匹配打开Hive命令行客户端,观察输出日志是否有打印“SLF4J: Found binding in [jar:file:/work/poa/hive-2.1.0-bin/lib/spar...
at org.apache.spark.shuffle.sort.BypassMergeSortShuffleWriter.write(BypassMergeSortShuffleWriter.java:155) at org.apache.spark.shuffle.ShuffleWriteProcessor.write(ShuffleWriteProcessor.scala:58) at org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:102) at org.apache.spark.scheduler....
你可能会看到如下错误: org.apache.spark.SparkException: Job aborted due to stage failure: Task not serializable...: java.io.NotSerializableException: ...在这种情况下,Spark Streaming 会尝试序列化该对象以将其发送给 worker,如果对象不可序列化,就会失败。...调用 rdd.forEachPartit...
19、Exception in thread "main"org.apache.hadoop.security.AccessControlException: Permission denied: user=Administrator, access=WRITE, inode="/data":bdata:supergroup:drwxr-xr-x 20、运行Spark-SQL报错:org.apache.spark.sql.AnalysisException: unresolved operator 'Project‘ ...
单机,Spark 做计算,也做资源调度 curl -LOJ https://mirrors.cloud.tencent.com/apache/spark/spark-3.5.5/spark-3.5.5-bin-hadoop3.tgzsudotar-zxf spark-3.5.5-bin-hadoop3.tgz -C /opt cd/opt/spark-3.5.5-bin-hadoop3 ./bin/spark-submit \--class org.apache.spark.examples.SparkPi \--master...
将块大小增大至最大 100 MB。 在 Ambari UI 中,修改 HDFS 配置属性fs.azure.write.request.size(或者在Custom core-site节中创建该配置)。 将该属性设置为更大的值,例如:33554432。 保存更新的配置并重启受影响的组件。 定期停止并重新提交 Spark 流作业。
DataStreamWriter 提供将流式传输到 DataFrame 外部存储系统的功能 (例如文件系统、键值存储等) 。C# 复制 public sealed class DataStreamWriter继承 Object DataStreamWriter 方法 展开表 Foreach(IForeachWriter) 设置要使用提供的编写器对象处理的流式处理查询的输出。 有关生命周期和语义的更多详细信息,...
driven process, a Spark Stream batches input data into time windows. Such as a 2-second slice, and then transforms each batch of data using map, reduce, join, and extract operations. The Spark Stream then writes the transformed data out to filesystems, databases, dashboards, and the ...