解决方案:
在conf后面加上. set("spark.testing.memory", "471859201")
bug报错:
Exception in thread "main" java.lang.IllegalArgumentException: System memory 259522560 must be at 。。。
解决方案:
hadoop-common-bin-2.7.3-x64.zip解压到任意目录。
bug报错:
org.apache.hadoop.util.Shell$ExitCodeException: /bin/bash: line
bug原因:
win环境运行hadoop任务,需要下载相应的运行环境。
解决方案:
for (x <- glomTest(arrayTwo).collect()) {
println(x.toList)
}
知识兔br>bug报错:
array(array(),array()) 这种rdd打印不出来
解决方案:
bin/kafka-console-consumer.sh --bootstrap-server ambari02:9092 --from-beginning --topic first
bug报错:
zooker ,bootstrap
bug原因:
之前连接zookeeper是老版本,新版本要用 --boot..,同时端口号改为9092
解决方案:
hive-site.xml
1 将Type改成dbcp
2 将mysql-connect-java 的连接驱动 放到spark/jars目录下
知识兔div>1
// 数据库连接
知识兔div>2
<property>
知识兔div>3
<name>datanucleus.connectionPoolingType</name>
知识兔div>4
<value>dbcp</value>
知识兔div>5
<description>
知识兔div>6
Expects one of [bonecp, dbcp, hikaricp, none].
知识兔div>7
Specify connection pool library for datanucleus
知识兔div>8
</description>
知识兔div>9
</property>
知识兔div>10
//版本校验
知识兔div>11
<property>
知识兔div>12
<name>hive.metastore.schema.verification</name>
知识兔div>13
<value>false</value>
知识兔div>14
<description>
知识兔div>15
Enforce metastore schema version consistency.
知识兔div>16
True: Verify that version information stored in is compatible with one from Hive jars. Also disable automatic
知识兔div>17
schema migration attempt. Users are required to manually migrate schema after Hive upgrade which ensures
知识兔div>18
proper metastore schema migration. (Default)
知识兔div>19
False: Warn if the version information stored in metastore doesn't match with one from in Hive jars.
知识兔div>20
</description>
知识兔div>21
</property>
知识兔div>bug报错:
org.datanucleus.exceptions.NucleusUserException: The connection pool plugin of type "HikariCP" was not found in the CLASSPATH! at org.datanucleus.store.rdbms.ConnectionFactoryImpl.generateDataSources(ConnectionFactoryImpl.java:234)
bug原因:
hive-site.xml默认配置的数据库连接方式就是HikariCP。
bug报错:
org.apache.hadoop.hive.metastore.ObjectStore (line: 6684) : Version information found in metastore differs 3.1.0 from expected schema version 1.2.0. Schema verififcation is disabled hive.metastore.schema.verification so setting version.
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/spark/sql/catalyst/catalog/HiveTableRelation