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java萌新0321

cmd下使用javac编译java文件失败

抽取了一个Android项目中的MainActivity.java文件,想将其编译成class文件。在cmd下使用了javac命令,但是失败,并未生成class文件。cmd下错误提示为 错误: 程序包不存在(如程序包android.app不存在)。请大佬指教该如何解决?

宋淑婷

如何知道亚马逊emr集群上的mapred-site值?

我遇到了内存问题,所以我查找了参数的默认值,如: mapreduce.map.memory.mbmapreduce.reduce.memory.mbmapreduce.map.java.opts在亚马逊文档上,并发现默认值很低。所以,我在创建这样的EMR集群时添加了一个配置: classification=mapred-site,properties=[mapreduce.map.memory.mb=4096,mapreduce.reduce.memory.mb=4096,mapreduce.map.java.opts=-Xmx3072m]并创建了集群。现在,我如何检查这些值是否确实更新?

宋淑婷

来自Spark的S3写入间歇性地失败,错误代码为404 NoSuchKey

我每隔5分钟写入s3的spark作业(EMR),每天都会写几次,但有以下异常。知道是什么原因引起的吗? 码: ds.write .mode("overwrite") .format("parquet") .save("s3://....") org.apache.spark.SparkException: Task failed while writing rows.at org.apache.spark.sql.execution.datasources.FileFormatWriter$.org$apache$spark$sql$execution$datasources$FileFormatWriter$$executeTask(FileFormatWriter.scala:285)at org.apache.spark.sql.execution.datasources.FileFormatWriter$$anonfun$write$1.apply(FileFormatWriter.scala:197)at org.apache.spark.sql.execution.datasources.FileFormatWriter$$anonfun$write$1.apply(FileFormatWriter.scala:196)at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:87)at org.apache.spark.scheduler.Task.run(Task.scala:109)at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:345)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)at java.lang.Thread.run(Thread.java:748)Caused by: java.io.IOException: com.amazon.ws.emr.hadoop.fs.shaded.com.amazonaws.services.s3.model.AmazonS3Exception: The specified key does not exist. (Service: Amazon S3; Status Code: 404; Error Code: NoSuchKey; Request ID: ABC4A49392884812; S3 Extended Request ID: ed+11111OKdq5jh8qY65Atc5Q33FHxy7Lzm0aWwxiHL9hhOxN+28eEPZobvLveGoJnzCoSEXsH4=), S3 Extended Request ID: ed+11111OKdq5jh8qY65Atc5Q33FHxy7Lzm0aWwxiHL9hhOxN+28eEPZobvLveGoJnzCoSEXsH4=at com.amazon.ws.emr.hadoop.fs.s3.MultipartCopyManager.copy(MultipartCopyManager.java:180)at com.amazon.ws.emr.hadoop.fs.s3n.Jets3tNativeFileSystemStore.copy(Jets3tNativeFileSystemStore.java:425)at com.amazon.ws.emr.hadoop.fs.s3n.S3NativeFileSystem.rename(S3NativeFileSystem.java:1300)at com.amazon.ws.emr.hadoop.fs.EmrFileSystem.rename(EmrFileSystem.java:321)at org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter.mergePaths(FileOutputCommitter.java:457)at org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter.mergePaths(FileOutputCommitter.java:471)at org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter.commitTask(FileOutputCommitter.java:582)at org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter.commitTask(FileOutputCommitter.java:545)at com.amazon.emr.committer.FilterParquetOutputCommitter.commitTask(FilterParquetOutputCommitter.java:119)at com.amazon.emr.committer.EmrOptimizedSparkSqlParquetOutputCommitter.commitTask(EmrOptimizedSparkSqlParquetOutputCommitter.java:9)

宋淑婷

AWS EMR依赖项

我正在尝试将“端到端Amazon EMR Java源代码示例”中的Java代码翻译为Scala。我正在使用SBT进行依赖管理。以下是我目前的相关依赖关系build.sbt: // https://mvnrepository.com/artifact/com.amazonaws/aws-java-sdklibraryDependencies += "com.amazonaws" % "aws-java-sdk" % "1.2.1"// https://mvnrepository.com/artifact/org.codehaus.jackson/jackson-core-asl// https://mvnrepository.com/artifact/com.amazonaws/aws-java-sdk-corelibraryDependencies += "com.amazonaws" % "aws-java-sdk-core" % "1.9.17"// https://mvnrepository.com/artifact/com.amazonaws/aws-java-sdk-emrlibraryDependencies += "com.amazonaws" % "aws-java-sdk-emr" % "1.9.0"第一个不编译的导入是: import com.amazonaws.auth.AWSStaticCredentialsProvider我对此导入缺少什么SBT依赖? 以下是错误sbt compile。 [info] Compiling 1 Scala source to /Users/paulreiners/dev/tv-datascience-aws/target/scala-2.11/classes ...[error] /Users/paulreiners/dev/tv-datascience-aws/src/main/scala/Main.scala:3:8: object AWSStaticCredentialsProvider is not a member of package com.amazonaws.auth[error] import com.amazonaws.auth.AWSStaticCredentialsProvider[error] ^[error] /Users/paulreiners/dev/tv-datascience-aws/src/main/scala/Main.scala:6:8: object AmazonElasticMapReduceClientBuilder is not a member of package com.amazonaws.services.elasticmapreduce[error] import com.amazonaws.services.elasticmapreduce.AmazonElasticMapReduceClientBuilder[error] ^[error] /Users/paulreiners/dev/tv-datascience-aws/src/main/scala/Main.scala:18:15: not found: value AmazonElasticMapReduceClientBuilder[error] val emr = AmazonElasticMapReduceClientBuilder.defaultClient()[error] ^[error] three errors founderror Compilation failed

宋淑婷

AWS EMR Spark提交选项 - 失败

我试图在EMRSpark集群上运行python作业。 在spark submit-options中,我只使用以下设置来更改内存: master yarn --driver-memory 4g --executor-memory 2g 但是,每当我尝试提交作业时,它总是失败。 如何纠正Spark提交选项? 并且错误日志如下: Error: Unrecognized option: -- Usage: spark-submit [options] [app arguments]Usage: spark-submit --kill [submission ID] --master [spark://...]Usage: spark-submit --status [submission ID] --master [spark://...]Usage: spark-submit run-example [options] example-class [example args] Options: --master MASTER_URL spark://host:port, mesos://host:port, yarn, k8s://https://host:port, or local (Default: local[*]). --deploy-mode DEPLOY_MODE Whether to launch the driver program locally ("client") or on one of the worker machines inside the cluster ("cluster") (Default: client). --class CLASS_NAME Your application's main class (for Java / Scala apps). --name NAME A name of your application. --jars JARS Comma-separated list of jars to include on the driver and executor classpaths. --packages Comma-separated list of maven coordinates of jars to include on the driver and executor classpaths. Will search the local maven repo, then maven central and any additional remote repositories given by --repositories. The format for the coordinates should be groupId:artifactId:version. --exclude-packages Comma-separated list of groupId:artifactId, to exclude while resolving the dependencies provided in --packages to avoid dependency conflicts. --repositories Comma-separated list of additional remote repositories to search for the maven coordinates given with --packages. --py-files PY_FILES Comma-separated list of .zip, .egg, or .py files to place on the PYTHONPATH for Python apps. --files FILES Comma-separated list of files to be placed in the working directory of each executor. File paths of these files in executors can be accessed via SparkFiles.get(fileName). --conf PROP=VALUE Arbitrary Spark configuration property. --properties-file FILE Path to a file from which to load extra properties. If not specified, this will look for conf/spark-defaults.conf. --driver-memory MEM Memory for driver (e.g. 1000M, 2G) (Default: 1024M). --driver-java-options Extra Java optionCommand exiting with ret '1'

宋淑婷

通过私有子网访问跨区域s3端点

我有一个在eu-west-1 私有子网中旋转的EMR 。我在路由表中为S3定义了一个网关端点。我必须访问由AWS 公开的这个公共存储桶/位置:s3://us-east-1.elasticmapreduce/libs/script-runner/script-runner.jar这给出了以下错误。我认为这是因为通过网关端点的跨区域访问是不允许的。我可以访问位于同一区域的其他存储桶。是否有解决方法来访问它,可能通过NAT?路由表已经有NAT,但请求不知何故。 2019-04-10T05:17:06.849Z INFO Ensure step 1 jar file s3://us-east-1.elasticmapreduce/libs/script-runner/script-runner.jarINFO Failed to download: s3://us-east-1.elasticmapreduce/libs/script-runner/script-runner.jarjava.lang.RuntimeException: Error whilst fetching 's3://us-east-1.elasticmapreduce/libs/script-runner/script-runner.jar' at aws157.instancecontroller.util.S3Wrapper.fetchS3HadoopFileToLocal(S3Wrapper.java:412) at aws157.instancecontroller.util.S3Wrapper.fetchHadoopFileToLocal(S3Wrapper.java:351) at aws157.instancecontroller.master.steprunner.HadoopJarStepRunner$Runner.<init>(HadoopJarStepRunner.java:243) at aws157.instancecontroller.master.steprunner.HadoopJarStepRunner.createRunner(HadoopJarStepRunner.java:152) at aws157.instancecontroller.master.steprunner.HadoopJarStepRunner.createRunner(HadoopJarStepRunner.java:146) at aws157.instancecontroller.master.steprunner.StepExecutor.runStep(StepExecutor.java:136) at aws157.instancecontroller.master.steprunner.StepExecutor.run(StepExecutor.java:70) at aws157.instancecontroller.master.steprunner.StepExecutionManager.enqueueStep(StepExecutionManager.java:248) at aws157.instancecontroller.master.steprunner.StepExecutionManager.doRun(StepExecutionManager.java:195) at aws157.instancecontroller.master.steprunner.StepExecutionManager.access$000(StepExecutionManager.java:33) at aws157.instancecontroller.master.steprunner.StepExecutionManager$1.run(StepExecutionManager.java:94) Caused by: com.amazonaws.AmazonClientException: Unable to execute HTTP request: connect timed out at com.amazonaws.http.AmazonHttpClient.executeHelper(AmazonHttpClient.java:618) at com.amazonaws.http.AmazonHttpClient.doExecute(AmazonHttpClient.java:376) at com.amazonaws.http.AmazonHttpClient.executeWithTimer(AmazonHttpClient.java:338) at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:287) at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:3826) at com.amazonaws.services.s3.AmazonS3Client.getObject(AmazonS3Client.java:1143) at com.amazonaws.services.s3.AmazonS3Client.getObject(AmazonS3Client.java:1021) at aws157.instancecontroller.util.S3Wrapper.copyS3ObjectToFile(S3Wrapper.java:303) at aws157.instancecontroller.util.S3Wrapper.getFile(S3Wrapper.java:287) at aws157.instancecontroller.util.S3Wrapper.fetchS3HadoopFileToLocal(S3Wrapper.java:399) ... 10 more

宋淑婷

hadoop将结果从hdfs复制到S3

我想从HDFS复制结果到S3,但有一些问题 这是代码(--steps) { "Name":"AAAAA", "Type":"CUSTOM_JAR", "Jar":"command-runner.jar", "ActionOnFailure":"CONTINUE", "Args": [ "s3-dist-cp", "--src", "hdfs:///seqaddid_output", "--dest", "s3://wuda-notebook/seqaddid" ] }这是日志: 2019-04-12 03:01:23,571 INFO com.amazon.elasticmapreduce.s3distcp.S3DistCp (main): Running with args: -libjars /usr/share/aws/emr/s3-dist-cp/lib/commons-httpclient-3.1.jar,/usr/share/aws/emr/s3-dist-cp/lib/commons-logging-1.0.4.jar,/usr/share/aws/emr/s3-dist-cp/lib/guava-18.0.jar,/usr/share/aws/emr/s3-dist-cp/lib/s3-dist-cp-2.10.0.jar,/usr/share/aws/emr/s3-dist-cp/lib/s3-dist-cp.jar --src hdfs:///seqaddid_output/ --dest s3://wuda-notebook/seqaddid 2019-04-12 03:01:24,196 INFO com.amazon.elasticmapreduce.s3distcp.S3DistCp (main): S3DistCp args: --src hdfs:///seqaddid_output/ --dest s3://wuda-notebook/seqaddid 2019-04-12 03:01:24,203 INFO com.amazon.elasticmapreduce.s3distcp.S3DistCp (main): Using output path 'hdfs:/tmp/4f93d497-fade-4c78-86b9-59fc3da35b4e/output' 2019-04-12 03:01:24,263 INFO com.amazon.elasticmapreduce.s3distcp.S3DistCp (main): GET http://169.254.169.254/latest/meta-data/placement/availability-zone result: us-east-1f 2019-04-12 03:01:24,664 FATAL com.amazon.elasticmapreduce.s3distcp.S3DistCp (main): Failed to get source file system java.io.FileNotFoundException: File does not exist: hdfs:/seqaddid_output at org.apache.hadoop.hdfs.DistributedFileSystem$27.doCall(DistributedFileSystem.java:1444) at org.apache.hadoop.hdfs.DistributedFileSystem$27.doCall(DistributedFileSystem.java:1437) at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81) at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1452) at com.amazon.elasticmapreduce.s3distcp.S3DistCp.run(S3DistCp.java:795) at com.amazon.elasticmapreduce.s3distcp.S3DistCp.run(S3DistCp.java:705) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:90) at com.amazon.elasticmapreduce.s3distcp.Main.main(Main.java:22) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.hadoop.util.RunJar.run(RunJar.java:234) at org.apache.hadoop.util.RunJar.main(RunJar.java:148)

游客uvk3t56er4vxi

最近几个月项目运行过程中总报错java.lang.AssertionError:

运行一段时间就会报错,最近几个月项目运行过程中总报错java.lang.AssertionError:java.lang.ClassNotFounfException:weblogic.jdbc.wrapper.PoolConnection

宋淑婷

EMR上的Spark工作突然耗时30小时(从5小时起)

我有一个Spark作业,它运行在1个主服务器和8个核心的Amazon EMR集群上。简而言之,Spark作业从S3读取一些.csv文件,将它们转换为RDD,在RDD上执行一些相对复杂的连接,最后在S3上生成其他.csv文件。这项工作在EMR集群上执行,过去大约需要5个小时。突然有一天,它开始花费超过30个小时。输入(S3文件)没有明显差异。 我已经检查了日志,并且在漫长的运行中(30小时)我可以看到有关OutOfMemory错误的信息: java.lang.OutOfMemoryError: Java heap space at java.util.IdentityHashMap.resize(IdentityHashMap.java:472) at java.util.IdentityHashMap.put(IdentityHashMap.java:441) at org.apache.spark.util.SizeEstimator$SearchState.enqueue(SizeEstimator.scala:174) at org.apache.spark.util.SizeEstimator$$anonfun$visitSingleObject$1.apply(SizeEstimator.scala:225) at org.apache.spark.util.SizeEstimator$$anonfun$visitSingleObject$1.apply(SizeEstimator.scala:224) at scala.collection.immutable.List.foreach(List.scala:381) at org.apache.spark.util.SizeEstimator$.visitSingleObject(SizeEstimator.scala:224) at org.apache.spark.util.SizeEstimator$.org$apache$spark$util$SizeEstimator$$estimate(SizeEstimator.scala:201) at org.apache.spark.util.SizeEstimator$.estimate(SizeEstimator.scala:69) .... at org.apache.spark.broadcast.TorrentBroadcast._value(TorrentBroadcast.scala:66) at org.apache.spark.broadcast.TorrentBroadcast.getValue(TorrentBroadcast.scala:96) at org.apache.spark.broadcast.Broadcast.value(Broadcast.scala:70) 尽管有明显的OutOfMemory异常,但输出(S3文件)看起来还不错,所以很明显Spark工作正常完成。 什么可以突然产生从5小时执行到30小时的跳跃?

宋淑婷

在EMR类中找不到Spark-submit异常java

我有一个jar包捆绑创建一个弹簧启动应用程序,其中我创建spark会话来做一些操作。 然后我发送这个jar AWS EMR,要么运行的spark-submit或者java -jar未工作的可执行文件。 这是我的jar结构 jar -tf META-INF/META-INF/MANIFEST.MForg/org/springframework/org/springframework/boot/org/springframework/boot/loader/org/springframework/boot/loader/data/org/springframework/boot/loader/data/RandomAccessDataFile$DataInputStream.classorg/springframework/boot/loader/jar/org/springframework/boot/loader/jar/CentralDirectoryEndRecord.classorg/springframework/boot/loader/data/RandomAccessDataFile$FileAccess.classorg/springframework/boot/loader/jar/CentralDirectoryParser.classorg/springframework/boot/loader/data/RandomAccessDataFile$1.classorg/springframework/boot/loader/jar/ZipInflaterInputStream.classorg/springframework/boot/loader/data/RandomAccessDataFile.classorg/springframework/boot/loader/jar/Handler.classorg/springframework/boot/loader/data/RandomAccessData.classorg/springframework/boot/loader/archive/org/springframework/boot/loader/archive/Archive$EntryFilter.classorg/springframework/boot/loader/jar/Bytes.classorg/springframework/boot/loader/archive/Archive.classorg/springframework/boot/loader/archive/JarFileArchive.classorg/springframework/boot/loader/PropertiesLauncher$PrefixMatchingArchiveFilter.classorg/springframework/boot/loader/PropertiesLauncher$ArchiveEntryFilter.classorg/springframework/boot/loader/PropertiesLauncher$1.classorg/springframework/boot/loader/PropertiesLauncher.classorg/springframework/boot/loader/Launcher.classorg/springframework/boot/loader/MainMethodRunner.classorg/springframework/boot/loader/ExecutableArchiveLauncher.classorg/springframework/boot/loader/WarLauncher.classorg/springframework/boot/loader/JarLauncher.classorg/springframework/boot/loader/util/org/springframework/boot/loader/util/SystemPropertyUtils.classorg/springframework/boot/loader/LaunchedURLClassLoader$UseFastConnectionExceptionsEnumeration.classorg/springframework/boot/loader/LaunchedURLClassLoader.classorg/springframework/boot/loader/jar/JarURLConnection$1.classorg/springframework/boot/loader/archive/JarFileArchive$EntryIterator.classorg/springframework/boot/loader/jar/JarURLConnection$JarEntryName.classorg/springframework/boot/loader/archive/ExplodedArchive$FileEntryIterator$EntryComparator.classorg/springframework/boot/loader/jar/JarURLConnection.classorg/springframework/boot/loader/jar/JarFile$1.classorg/springframework/boot/loader/archive/ExplodedArchive$FileEntryIterator.classorg/springframework/boot/loader/archive/ExplodedArchive$FileEntry.classorg/springframework/boot/loader/archive/ExplodedArchive$1.classorg/springframework/boot/loader/jar/JarFile$2.classorg/springframework/boot/loader/jar/JarFile$JarFileType.classorg/springframework/boot/loader/archive/ExplodedArchive.classorg/springframework/boot/loader/archive/JarFileArchive$JarFileEntry.classorg/springframework/boot/loader/jar/JarFile.classorg/springframework/boot/loader/jar/JarEntry.classorg/springframework/boot/loader/jar/FileHeader.classorg/springframework/boot/loader/jar/StringSequence.classorg/springframework/boot/loader/jar/AsciiBytes.classorg/springframework/boot/loader/jar/JarFileEntries$1.classorg/springframework/boot/loader/jar/JarFileEntries$EntryIterator.classorg/springframework/boot/loader/jar/JarFileEntries.classorg/springframework/boot/loader/jar/CentralDirectoryVisitor.classorg/springframework/boot/loader/jar/JarEntryFilter.classorg/springframework/boot/loader/jar/CentralDirectoryFileHeader.classorg/springframework/boot/loader/archive/Archive$Entry.classBOOT-INF/BOOT-INF/classes/BOOT-INF/classes/com/BOOT-INF/classes/com/ati/BOOT-INF/classes/com/ati/media/BOOT-INF/classes/com/ati/media/ref/BOOT-INF/classes/com/ati/media/ref/scd/BOOT-INF/classes/com/ati/media/ref/scd/config/BOOT-INF/classes/com/ati/media/ref/scd/controllers/BOOT-INF/classes/com/ati/media/ref/scd/error/BOOT-INF/classes/com/ati/media/ref/scd/repositories/BOOT-INF/classes/com/ati/media/ref/scd/services/BOOT-INF/classes/com/ati/media/ref/scd/services/validator/META-INF/maven/META-INF/maven/com.ati.media.ref/META-INF/maven/com.ati.media.ref/ref-svc-scd/BOOT-INF/classes/application-local.ymlBOOT-INF/classes/bootstrap.ymlBOOT-INF/classes/com/ati/media/ref/scd/config/SwaggerConfig.classBOOT-INF/classes/com/ati/media/ref/scd/error/ScheduleExceptionHandler.classBOOT-INF/classes/com/ati/media/ref/scd/ScheduleApplication.classBOOT-INF/classes/com/ati/media/ref/scd/services/ScheduleServiceImpl.classMETA-INF/maven/com.ati.media.ref/ref-svc-scd/pom.xmlBOOT-INF/classes/bootstrap-docker.ymlBOOT-INF/classes/com/ati/media/ref/scd/config/ScheduleConstants.classBOOT-INF/classes/com/ati/media/ref/scd/error/ScheduleCreationException.classBOOT-INF/classes/com/ati/media/ref/scd/repositories/ScheduleMyBatisRepository.xmlBOOT-INF/classes/com/ati/media/ref/scd/services/ConfigurationService.classBOOT-INF/classes/git.propertiesMETA-INF/maven/com.ati.media.ref/ref-svc-scd/pom.propertiesBOOT-INF/classes/application.ymlBOOT-INF/classes/com/ati/media/ref/scd/config/SparkConfig.classBOOT-INF/classes/com/ati/media/ref/scd/error/ScheduleEditException.classBOOT-INF/classes/com/ati/media/ref/scd/repositories/Spar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INF/lib/aws-java-sdk-1.7.4.jarBOOT-INF/lib/spark-hive_2.11-2.3.0.jarBOOT-INF/lib/parquet-hadoop-bundle-1.6.0.jarBOOT-INF/lib/hive-exec-1.2.1.spark2.jarBOOT-INF/lib/javolution-5.5.1.jarBOOT-INF/lib/apache-log4j-extras-1.2.17.jarBOOT-INF/lib/antlr-runtime-3.4.jarBOOT-INF/lib/stringtemplate-3.2.1.jarBOOT-INF/lib/ST4-4.0.4.jarBOOT-INF/lib/JavaEWAH-0.3.2.jarBOOT-INF/lib/snappy-0.2.jarBOOT-INF/lib/stax-api-1.0.1.jarBOOT-INF/lib/opencsv-2.3.jarBOOT-INF/lib/hive-metastore-1.2.1.spark2.jarBOOT-INF/lib/bonecp-0.8.0.RELEASE.jarBOOT-INF/lib/datanucleus-api-jdo-3.2.6.jarBOOT-INF/lib/datanucleus-rdbms-3.2.9.jarBOOT-INF/lib/commons-pool-1.6.jarBOOT-INF/lib/commons-dbcp-1.4.jarBOOT-INF/lib/jdo-api-3.0.1.jarBOOT-INF/lib/jta-1.1.jarBOOT-INF/lib/commons-httpclient-3.1.jarBOOT-INF/lib/calcite-avatica-1.2.0-incubating.jarBOOT-INF/lib/calcite-core-1.2.0-incubating.jarBOOT-INF/lib/calcite-linq4j-1.2.0-incubating.jarBOOT-INF/lib/eigenbase-properties-1.1.5.jarBOOT-INF/lib/httpclient-4.5.5.jarBOOT-INF/lib/jackson-mapper-asl-1.9.13.jarBOOT-INF/lib/commons-codec-1.11.jarBOOT-INF/lib/joda-time-2.9.9.jarBOOT-INF/lib/jodd-core-3.5.2.jarBOOT-INF/lib/datanucleus-core-3.2.10.jarBOOT-INF/lib/libthrift-0.9.3.jarBOOT-INF/lib/libfb303-0.9.3.jarBOOT-INF/lib/derby-10.14.1.0.jarBOOT-INF/lib/core-tech-starter-docker-spring-boot-1.0.0.jar当试图运行 spark-submit --master yarn --deploy-mode client --driver-memory 10G --executor-memory 15G --class com.ati.media.ref.scd.ScheduleApplication有错误java.lang.ClassNotFoundException: com.ati.media.ref.scd.ScheduleApplication at java.net.URLClassLoader.findClass(URLClassLoader.java:382) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:348) at org.apache.spark.util.Utils$.classForName(Utils.scala:235) at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:836) at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:197) at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:227) at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:136) at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala) 当我尝试使用 java -jar 应用程序没有任何问题。 java -cp 导致与主要calss未找到的spark-submit相同的错误。 这里有什么问题。我有主要功能ScheduleApplication。

李博bluemind

mongo增量更新有什么好的策略?

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李博bluemind

swak有具体的demo可以参考的吗?

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李博bluemind

大佬 rap2-delos 这个部署的时候我们的redis设置了密码应该怎么配置的啊?

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李博bluemind

数据库表结构,设计的工具有推荐的吗?

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李博bluemind

spring有多少个类?

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李博bluemind

问一下各位大神,用h5做小程序的时候,前后台不分离可以不?

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李博bluemind

请问jpa多对多关联中给中间表附加属性 应该怎么写?

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李博bluemind

大佬们 应届生这么找工作啊 都要求工作经验?

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李博bluemind

一条sql语句,有必要加开启spring事务?

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李博bluemind

业务日志有什么解决方案?

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