我的Hadoop集群内存不足，因此我终止了所有进程并注销了我的用户。然后我尝试使用./start-all.sh重新启动所有服务，但它给了我很多错误，如下所示。我搜索整个堆栈溢出来解决我的问题，但找不到。
我在群集上启动spark服务时遇到以下错误。主节点启动正常，但我得到以下错误
./start-all.sh
starting org.apache.spark.deploy.master.Master, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.master.Master-1-db101a.out
db103a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db103a.out
db105a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db105a.out
db107a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db107a.out
db102a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db102a.out
db205a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db205a.out
db204a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db204a.out
db110a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db110a.out
db203a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db203a.out
db109a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db109a.out
db106a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db106a.out
db306a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db306a.out
db304a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db304a.out
db308a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db308a.out
db206a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db206a.out
db201a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db201a.out
db310a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db310a.out
db202a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db202a.out
db111a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db111a.out
db307a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db307a.out
db302a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db302a.out
db303a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db303a.out
db108a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db108a.out
db305a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db305a.out
db301a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db301a.out
db311a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db311a.out
db309a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db309a.out
db209a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db209a.out
db207a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db207a.out
db208a: starting org.apache.spark.deploy.worker.Worker, logging to /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db208a.out
db103a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db103a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db103a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db103a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db103a.out
db105a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db105a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db105a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db105a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db105a.out
db107a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db107a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db107a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db107a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db107a.out
db102a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db102a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db102a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db102a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db102a.out
db205a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db204a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db205a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db205a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db205a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db205a.out
db204a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db204a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db204a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db204a.out
db110a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db110a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db110a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db110a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db110a.out
db203a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db109a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db203a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db203a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db203a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db203a.out
db106a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db109a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db109a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db109a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db109a.out
db106a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db106a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db106a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db106a.out
db308a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db304a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db306a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db308a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db308a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db308a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db308a.out
db304a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db304a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db304a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db304a.out
db306a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db306a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db306a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db306a.out
db206a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db206a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db206a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db206a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db206a.out
db310a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db201a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db310a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db310a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db310a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db310a.out
db201a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db201a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db201a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db201a.out
db202a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db111a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db202a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db202a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db202a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db202a.out
db111a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db111a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db111a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db111a.out
db307a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db307a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db307a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db307a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db307a.out
db302a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db302a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db302a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db302a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db302a.out
db303a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db303a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db303a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db303a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db303a.out
db108a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db108a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db108a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db108a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db108a.out
db301a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db305a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db301a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db301a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db301a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db301a.out
db305a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db305a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db305a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db305a.out
db209a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db309a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db311a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db209a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db209a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db209a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db209a.out
db309a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db309a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db309a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db309a.out
db311a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db311a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db311a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db311a.out
db207a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db207a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db207a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db207a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db207a.out
db208a: failed to launch: nice -n 0 /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/bin/spark-class org.apache.spark.deploy.worker.Worker --webui-port 8081 spark://db101a:7077
db208a: at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
db208a: at gnu.java.lang.MainThread.run(libgcj.so.7rh)
db208a: full log in /dbhome/dbstud1/csc571/spark-2.1.0-bin-hadoop2.7/logs/spark-dbstud1-org.apache.spark.deploy.worker.Worker-1-db208a.out
这是其中一个日志文件
中显示的详细信息Exception in thread "main" java.lang.NoClassDefFoundError: org.apache.spark.launcher.Main
at gnu.java.lang.MainThread.run(libgcj.so.7rh)
Caused by: java.lang.ClassNotFoundException: org.apache.spark.launcher.Main not found in gnu.gcj.runtime.SystemClassLoader{urls=[], parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], p$
at java.net.URLClassLoader.findClass(libgcj.so.7rh)
at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
at java.lang.ClassLoader.loadClass(libgcj.so.7rh)
at gnu.java.lang.MainThread.run(libgcj.so.7rh)
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