Spark启动时报错localhost: failed to launch: nice -n 0 /home/chan/spark/spark-2.4.3-bin-hadoop2.7/bin/spar
Posted 东耳听风
tags:
篇首语：本文由小常识网(cha138.com)小编为大家整理，主要介绍了Spark启动时报错localhost: failed to launch: nice -n 0 /home/chan/spark/spark-2.4.3-bin-hadoop2.7/bin/spar相关的知识，希望对你有一定的参考价值。
启动报错提示如图：
localhost: failed to launch: nice -n 0 /home/chan/spark/spark-2.4.3-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://Hadoop:7077
localhost: JAVA_HOME is not set
localhost: full log in /home/chan/spark/spark-2.4.3-bin-hadoop2.7/logs/spark-chan-org.apache.spark.deploy.worker.Worker-1-hadoop.out
意思是说work启动失败，没有找到java。
解决办法：
在spark安装目录中sbin下的spark-config.sh中添加JAVA_HOME=jdk地址，具体操作如图所示
启动成功：
以上是关于Spark启动时报错localhost: failed to launch: nice -n 0 /home/chan/spark/spark-2.4.3-bin-hadoop2.7/bin/spar的主要内容，如果未能解决你的问题，请参考以下文章
Tomcat启动时报错，Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardCont
YarnClientSchedulerBackend: Yarn application has already exited with state FAILED
ifup em2启动网卡时报错：connection activation failed
docker jetty启动时报错 failed setting default capabilities.
pyspark 下 Spark Streaming 启动监听文件流 时报错及解决方法。
项目启动时报错Instantiation of bean failed; nested exception is java.lang.ExceptionInInitializerError