sqoop EXPORT-在目标表中找不到列

Question

我编写了一个简单的脚本来创建用户（TestV100），在该架构中创建表（Xy100），然后将以Tabl分隔的平面文件从hadoop导出到该oracle表。

这是外壳程序脚本：-ExportOracleTestV100.sh

#!/bin/bash

# Testing connectivity to Oracle DB
#sqoop eval --connect jdbc:oracle:thin:@hostname:1521:orcl -username test -password password --query "SELECT count(*) as bob FROM \"TestV1\".\"Test\"" --verbose

HOST=$1
USER=$2
PASS=$3
SCHEMA=$4
PORT=$5
SID=$6
SQOOP=/usr/bin/sqoop
JDBC="jdbc:oracle:thin:@$1:$5:$6"
SQOOP_EVAL="$SQOOP eval --connect $JDBC --username $USER --password $PASS --query"

#Create Schema and Tables;
${SQOOP_EVAL} "CREATE USER \"TestV100\" identified by \"password\""
${SQOOP_EVAL} "GRANT CONNECT TO \"TestV100\""
${SQOOP_EVAL} "ALTER USER \"TestV100\" QUOTA UNLIMITED ON USERS"

${SQOOP_EVAL} "DROP TABLE \"TestV100\".\"Xy100\""
${SQOOP_EVAL} "CREATE TABLE \"TestV100\".\"Xy100\"( \"a\" NVARCHAR2(255) DEFAULT NULL, \"x\" NUMBER(10,0) DEFAULT NULL, \"y\" NUMBER(10,0) DEFAULT NULL )"


############################
## Load Data into tables; ##
############################

SQOOP_EXPORT="/usr/bin/sudo -u hdfs $SQOOP export --connect ${JDBC} --username $USER --password $PASS --export-dir"
${SQOOP_EXPORT} "/tmp/rv/TestV100/xy100.txt" --table "\"\"$SCHEMA\".\"Xy100\"\"" --fields-terminated-by "\t" --input-null-string null -m 1

这是输入文件：-cat /tmp/rv/TestV100/Xy100.txt

c       8       3
a       1       4
c       6       1
c       2       0
a       7       7
c       4       2
c       7       5
a       0       0
c       5       6
a       2       2
a       5       5
a       3       6
c       9       7
a       4       1
c       3       4
a       6       3
b       6       5
b       8       7
b       5       1
b       7       3
b       2       4
b       1       0
b       4       6
b       3       2

这是shell脚本的调用方式：

sh ./ExportOracleTestV100.sh oracle11 test password TestV100 1521 orcl --verbose

注意：“测试”用户对TestV100架构具有完全访问权限。

输出：

[root@abc-repo-app1 rv]# sh ./ExportOracleTestV100.sh oracle11 test password TestV100 1521 orcl --verbose
Warning: /usr/lib/sqoop/../accumulo does not exist! Accumulo imports will fail.
Please set $ACCUMULO_HOME to the root of your Accumulo installation.
15/11/02 12:40:07 INFO sqoop.Sqoop: Running Sqoop version: 1.4.5-cdh5.4.1
15/11/02 12:40:07 WARN tool.BaseSqoopTool: Setting your password on the command-line is insecure. Consider using -P instead.
15/11/02 12:40:07 INFO oracle.OraOopManagerFactory: Data Connector for Oracle and Hadoop is disabled.
15/11/02 12:40:07 INFO manager.SqlManager: Using default fetchSize of 1000
15/11/02 12:40:07 INFO tool.CodeGenTool: Beginning code generation
15/11/02 12:40:08 INFO manager.OracleManager: Time zone has been set to GMT
15/11/02 12:40:08 INFO manager.SqlManager: Executing SQL statement: SELECT t.* FROM "TestV100"."xy100" t WHERE 1=0
15/11/02 12:40:08 ERROR sqoop.Sqoop: Got exception running Sqoop: java.lang.IllegalArgumentException: There is no column found in the target table "TestV100"."xy100". Please ensure that your table name is correct.
java.lang.IllegalArgumentException: There is no column found in the target table "TestV100"."xy100". Please ensure that your table name is correct.
        at org.apache.sqoop.orm.ClassWriter.generate(ClassWriter.java:1658)
        at org.apache.sqoop.tool.CodeGenTool.generateORM(CodeGenTool.java:96)
        at org.apache.sqoop.tool.ExportTool.exportTable(ExportTool.java:64)
        at org.apache.sqoop.tool.ExportTool.run(ExportTool.java:100)
        at org.apache.sqoop.Sqoop.run(Sqoop.java:143)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
        at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:179)
        at org.apache.sqoop.Sqoop.runTool(Sqoop.java:218)
        at org.apache.sqoop.Sqoop.runTool(Sqoop.java:227)
        at org.apache.sqoop.Sqoop.main(Sqoop.java:236)

如上所示，Sqoop版本为1.4.5-cdh5.4.1

我以某种方式设法做到了这一点。我看到很多关于sqoop导入的在线发布和此错误，解决方案是在命令中将表名更改为UPPERCASE。但是，我正在运行导出。此外，必须使用大小写混合的形式创建oracle表。

我希望我在这里提供了所有必需的信息。有人可以帮忙或指向某个可以帮助我克服此错误的地方吗？

Answer 1

在 --table 参数中提供大写的表名称。听起来很傻，但是是的 - 适用于大写的表名。

Answer 2

大写的表名有效。

sqoop export --connect jdbc：oracle：thin：@xyzx：1569：xyz --username xyz --password xyz --table CIPHADOOPCUSTOMERREPORT --export-dir /apps/hive/warehouse/ciprpt.db/dtd_customer_report --input-以“ \ t”结尾的字段-以“ \ n”结尾的输入行--verbose -m 8-输入空字符串'\ N'-输入空非字符串'\ N'

Answer 3

我遇到这个问题是因为 sqoop 导出的目标表短了一列。解决办法：用参数指定列列表--columns；或重新生成目标表以匹配输入表的架构。