那些遇到过的问题

将Hive 1.2 Metastore Service配置为S3存储而不是HDFS后无法启动

Jos*_*osé 2 mysql hive amazon-s3 metastore apache-spark

我在独立模式下有一个Apache Spark集群（2.2.0）。直到现在使用HDFS来运行镶木地板文件。我正在使用Apache Hive 1.2的Hive Metastore Service通过Thriftserver通过JDBC访问Spark。

现在，我想使用S3对象存储而不是HDFS。我在hive-site.xml中添加了以下配置：

<property>
  <name>fs.s3a.access.key</name>
  <value>access_key</value>
  <description>Profitbricks Access Key</description>
</property>
<property>
  <name>fs.s3a.secret.key</name>
  <value>secret_key</value>
  <description>Profitbricks Secret Key</description>
</property>
<property>
  <name>fs.s3a.endpoint</name>
  <value>s3-de-central.profitbricks.com</value>
  <description>ProfitBricks S3 Object Storage Endpoint</description>
</property>
<property>
  <name>fs.s3a.endpoint.http.port</name>
  <value>80</value>
  <description>ProfitBricks S3 Object Storage Endpoint HTTP Port</description>
</property>
<property>
  <name>fs.s3a.endpoint.https.port</name>
  <value>443</value>
  <description>ProfitBricks S3 Object Storage Endpoint HTTPS Port</description>
</property>
<property>
  <name>hive.metastore.warehouse.dir</name>
  <value>s3a://dev.spark.my_bucket/parquet/</value>
  <description>Profitbricks S3 Object Storage Hive Warehouse Location</description>
</property>
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我在MySQL 5.7数据库中有配置单元metastore。我已将以下jar文件添加到Hive lib文件夹中：

  • aws-java-sdk-1.7.4.jar
  • hadoop-aws-2.7.3.jar

我已经在MySQL上删除了旧的配置单元metastore模式，然后使用以下命令启动了metastore服务：hive --service metastore &并且出现以下错误：

java.lang.NoClassDefFoundError: com/fasterxml/jackson/databind/ObjectMapper
        at com.amazonaws.util.json.Jackson.<clinit>(Jackson.java:27)
        at com.amazonaws.internal.config.InternalConfig.loadfrom(InternalConfig.java:182)
        at com.amazonaws.internal.config.InternalConfig.load(InternalConfig.java:199)
        at com.amazonaws.internal.config.InternalConfig$Factory.<clinit>(InternalConfig.java:232)
        at com.amazonaws.ServiceNameFactory.getServiceName(ServiceNameFactory.java:34)
        at com.amazonaws.AmazonWebServiceClient.computeServiceName(AmazonWebServiceClient.java:703)
        at com.amazonaws.AmazonWebServiceClient.getServiceNameIntern(AmazonWebServiceClient.java:676)
        at com.amazonaws.AmazonWebServiceClient.computeSignerByURI(AmazonWebServiceClient.java:278)
        at com.amazonaws.AmazonWebServiceClient.setEndpoint(AmazonWebServiceClient.java:160)
        at com.amazonaws.services.s3.AmazonS3Client.setEndpoint(AmazonS3Client.java:475)
        at com.amazonaws.services.s3.AmazonS3Client.init(AmazonS3Client.java:447)
        at com.amazonaws.services.s3.AmazonS3Client.<init>(AmazonS3Client.java:391)
        at com.amazonaws.services.s3.AmazonS3Client.<init>(AmazonS3Client.java:371)
        at org.apache.hadoop.fs.s3a.S3AFileSystem.initialize(S3AFileSystem.java:235)
        at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2811)
        at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:100)
        at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2848)
        at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2830)
        at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:389)
        at org.apache.hadoop.fs.Path.getFileSystem(Path.java:356)
        at org.apache.hadoop.hive.metastore.Warehouse.getFs(Warehouse.java:104)
        at org.apache.hadoop.hive.metastore.Warehouse.getDnsPath(Warehouse.java:140)
        at org.apache.hadoop.hive.metastore.Warehouse.getDnsPath(Warehouse.java:146)
        at org.apache.hadoop.hive.metastore.Warehouse.getWhRoot(Warehouse.java:159)
        at org.apache.hadoop.hive.metastore.Warehouse.getDefaultDatabasePath(Warehouse.java:177)
        at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.createDefaultDB_core(HiveMetaStore.java:601)
        at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.createDefaultDB(HiveMetaStore.java:620)
        at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.init(HiveMetaStore.java:461)
        at org.apache.hadoop.hive.metastore.RetryingHMSHandler.<init>(RetryingHMSHandler.java:66)
        at org.apache.hadoop.hive.metastore.RetryingHMSHandler.getProxy(RetryingHMSHandler.java:72)
        at org.apache.hadoop.hive.metastore.HiveMetaStore.newRetryingHMSHandler(HiveMetaStore.java:5762)
        at org.apache.hadoop.hive.metastore.HiveMetaStore.newRetryingHMSHandler(HiveMetaStore.java:5757)
        at org.apache.hadoop.hive.metastore.HiveMetaStore.startMetaStore(HiveMetaStore.java:5990)
        at org.apache.hadoop.hive.metastore.HiveMetaStore.main(HiveMetaStore.java:5915)
        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)
Caused by: java.lang.ClassNotFoundException: com.fasterxml.jackson.databind.ObjectMapper
        at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
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缺少的类属于Jackson库，然后我复制了我的spark-2.2.0-bin-hadoop2.7 / jars /文件夹中的Jackson-*。jar：

  • 杰克逊注释2.6.5.jar
  • 杰克逊核心2.6.5.jar
  • 杰克逊核心-asl-1.9.13.jar
  • jackson-databind-2.6.5.jar
  • jackson-jaxrs-1.9.13.jar
  • jackson-mapper-asl-1.9.13.jar
  • 杰克逊模块参数名2.6.5.jar
  • 杰克逊模块scala_2.11-2.6.5.jar
  • 杰克逊-xc-1.9.13.jar

但是然后我得到了以下错误：

2018-01-05 17:51:00,819 ERROR [main]: metastore.HiveMetaStore (HiveMetaStore.java:main(5920)) - Metastore Thrift Server threw an exception...
java.lang.NumberFormatException: For input string: "100M"
        at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
        at java.lang.Long.parseLong(Long.java:589)
        at java.lang.Long.parseLong(Long.java:631)
        at org.apache.hadoop.conf.Configuration.getLong(Configuration.java:1319)
        at org.apache.hadoop.fs.s3a.S3AFileSystem.initialize(S3AFileSystem.java:248)
        at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2811)
        at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:100)
        at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2848)
        at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2830)
        at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:389)
        at org.apache.hadoop.fs.Path.getFileSystem(Path.java:356)
        at org.apache.hadoop.hive.metastore.Warehouse.getFs(Warehouse.java:104)
        at org.apache.hadoop.hive.metastore.Warehouse.getDnsPath(Warehouse.java:140)
        at org.apache.hadoop.hive.metastore.Warehouse.getDnsPath(Warehouse.java:146)
        at org.apache.hadoop.hive.metastore.Warehouse.getWhRoot(Warehouse.java:159)
        at org.apache.hadoop.hive.metastore.Warehouse.getDefaultDatabasePath(Warehouse.java:177)
        at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.createDefaultDB_core(HiveMetaStore.java:601)
        at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.createDefaultDB(HiveMetaStore.java:620)
        at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.init(HiveMetaStore.java:461)
        at org.apache.hadoop.hive.metastore.RetryingHMSHandler.<init>(RetryingHMSHandler.java:66)
        at org.apache.hadoop.hive.metastore.RetryingHMSHandler.getProxy(RetryingHMSHandler.java:72)
        at org.apache.hadoop.hive.metastore.HiveMetaStore.newRetryingHMSHandler(HiveMetaStore.java:5762)
        at org.apache.hadoop.hive.metastore.HiveMetaStore.newRetryingHMSHandler(HiveMetaStore.java:5757)
        at org.apache.hadoop.hive.metastore.HiveMetaStore.startMetaStore(HiveMetaStore.java:5990)
        at org.apache.hadoop.hive.metastore.HiveMetaStore.main(HiveMetaStore.java:5915)
        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)
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我认为这里的错误与某些jar版本不兼容有关，但我找不到正确的版本。

有人可以帮我吗？

Ste*_*ran 7

  1. 您绝对不能从一切期望中混合使用Hadoop常见，hadoop-aws，aws-s3-sdk和jackson版本，否则您将看到堆栈跟踪。
  2. 其全部是开源的，因此，如果您在本地D / L所有源JAR，IDE将帮助您找到导致堆栈跟踪的原因。这就是我们所有人所做的。这并不是魔术，现代IDE（智能IDEA）甚至具有特殊的堆栈调试功能。

之所以这样输入，是因为fs.s3a.multipart.sizehadoop-common /core-default.xml资源中的set 值为100M，它与HADOOP-13680一起提供，并且范围解析处理数字如“ 100M”而不是104857600。该堆栈跟踪显示“ Hadoop 2.8+配置”

您可以尝试将配置中的属性设置为该数值，但是这是一个警告信号，表明JAR版本不同步，在其他地方中断之前，您可能只会得到几行。

修复：确保hadoop-common.jar和hadoop-aws.jar同步。看起来您已经排列好了杰克逊和aws，尽管杰克逊足够复杂，您永远都不能认为这是理所当然的。

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