Re:Re: Pyflink1.12尝试连接oracle数据，报错findAndCreateTableSource failed

2020-12-16 文章 肖越 
您好，这是完整的报错信息：
Traceback (most recent call last):

  File 
"C:\projects\dataService-calculate-code-python\src\test\test_oracle_connector.py",
 line 24, in 


"C:\projects\dataService-calculate-code-python\src\\test\\flink_connector-jdbc\\flink-connector-jdbc_2.11-1.12.0.jar")

  File 
"C:\Users\18242\AppData\Local\Programs\Python\Python37\lib\site-packages\pyflink\common\configuration.py",
 line 72, in set_string

add_jars_to_context_class_loader(value.split(";"))

  File 
"C:\Users\18242\AppData\Local\Programs\Python\Python37\lib\site-packages\pyflink\util\utils.py",
 line 114, in add_jars_to_context_class_loader

jar_urls = [gateway.jvm.java.net.URL(url).toString() for url in jar_urls]

  File 
"C:\Users\18242\AppData\Local\Programs\Python\Python37\lib\site-packages\pyflink\util\utils.py",
 line 114, in 

jar_urls = [gateway.jvm.java.net.URL(url).toString() for url in jar_urls]

  File 
"C:\Users\18242\AppData\Local\Programs\Python\Python37\lib\site-packages\py4j\java_gateway.py",
 line 1554, in __call__

answer, self._gateway_client, None, self._fqn)

  File 
"C:\Users\18242\AppData\Local\Programs\Python\Python37\lib\site-packages\pyflink\util\exceptions.py",
 line 147, in deco

return f(*a, **kw)

  File 
"C:\Users\18242\AppData\Local\Programs\Python\Python37\lib\site-packages\py4j\protocol.py",
 line 328, in get_return_value

format(target_id, ".", name), value)

py4j.protocol.Py4JJavaError: An error occurred while calling None.java.net.URL.

: java.net.MalformedURLException: unknown protocol: c

at java.net.URL.(URL.java:617)

at java.net.URL.(URL.java:507)

at java.net.URL.(URL.java:456)

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at 
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)

at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

at java.lang.reflect.Constructor.newInstance(Constructor.java:423)

at 
org.apache.flink.api.python.shaded.py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:247)

at 
org.apache.flink.api.python.shaded.py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)

at org.apache.flink.api.python.shaded.py4j.Gateway.invoke(Gateway.java:238)

at 
org.apache.flink.api.python.shaded.py4j.commands.ConstructorCommand.invokeConstructor(ConstructorCommand.java:80)

at 
org.apache.flink.api.python.shaded.py4j.commands.ConstructorCommand.execute(ConstructorCommand.java:69)

at 
org.apache.flink.api.python.shaded.py4j.GatewayConnection.run(GatewayConnection.java:238)

at java.lang.Thread.run(Thread.java:748)

















在 2020-12-17 14:57:36，"Dian Fu"  写道：
>发一下完整的异常信息？
>
>> 在 2020年12月17日，上午11:53，肖越 <18242988...@163.com> 写道：
>> 
>> 好的，非常感谢您的帮助，刚根据分享的连接，显示增加了jar包依赖，报错：py4j.protocol.Py4JJavaError: An error 
>> occurred while calling None.java.net.URL，应该就是没有对应的Oracle connector处理的原因吧？
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 在 2020-12-17 10:44:56，"Dian Fu"  写道：
>>> 1）如Leonard Xu老师所说，目前JDBC connector还不支持oracle
>>> 2）从报错看，你这还都没有走到那一步就报错了，可以检查一下这些：
>>>a. JDBC connector的使用方式参考[1]，比如'connector' = 'jdbc'，而不是'connector.type' = 
>>> 'jdbc'，这个是老的使用方式
>>>b. JDBC 
>>> connector的jar需要显式添加相关依赖，可以如何在PyFlink中添加jar依赖，可以看一下[2]。其中JDBC需要的的jar，可以参考[1]
>>> 
>>> [1] 
>>> https://ci.apache.org/projects/flink/flink-docs-release-1.12/dev/table/connectors/jdbc.html
>>>  
>>> 
>>> [2] 
>>> https://ci.apache.org/projects/flink/flink-docs-release-1.12/dev/python/table-api-users-guide/python_table_api_connectors.html#download-connector-and-format-jars
>>> 
 在 2020年12月17日，上午10:06，肖越 <18242988...@163.com> 写道：
 
 谢谢您的帮助，所以没有办法通过定义connector的方式获取连接是么？ 有没有其他办法呢？
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 在 2020-12-17 09:55:08，"Leonard Xu"  写道：
> 目前 JDBC connector 只支持 MySQL, Pg和Derby(一般测试用)这几种dialect， Oracle还不支持。
> 
> 祝好，
> Leonard
> 
>> 在 2020年12月17日，09:47，肖越 <18242988...@163.com> 写道：
>> 
>> pyflink小白，测试pyflink1.12功能，想通过定义connector从oracle数据库中获取数据
>> 通过如下方式定义：
>> env = StreamExecutionEnvironment.get_execution_environment()
>> env.set_parallelism(1)
>> env = StreamTableEnvironment \
>>  .create(env, environment_settings=EnvironmentSettings
>>  .new_instance()
>>  .use_blink_planner().build())
>> source_ddl1 = """
>>  CREATE TABLE source_table (id BIGINT,pf_id VARCHAR,\
>>  tree_id VARCHAR,node_id VARCHAR,biz_date DATE,\
>>  ccy_type VARCHAR,cur_id_d VARCHAR,tldrate DOUBLE,\
>>  is_valid INT,time_mark TIMESTAMP) WITH (
>>  'connector.type' = 'jdbc',
>>  'connector.url' = 'jdbc:oracle:thin:@ip:dbnamel',
>>  'connector.table' = 'ts_pf_ac_yldrate',
>>  'connector.driver' = 'oracle.jdbc.driver.OracleDri

Re:Re: Pyflink1.12尝试连接oracle数据，报错findAndCreateTableSource failed

2020-12-16 文章 肖越 
好的，非常感谢您的帮助，刚根据分享的连接，显示增加了jar包依赖，报错：py4j.protocol.Py4JJavaError: An error 
occurred while calling None.java.net.URL，应该就是没有对应的Oracle connector处理的原因吧？

















在 2020-12-17 10:44:56，"Dian Fu"  写道：
>1）如Leonard Xu老师所说，目前JDBC connector还不支持oracle
>2）从报错看，你这还都没有走到那一步就报错了，可以检查一下这些：
> a. JDBC connector的使用方式参考[1]，比如'connector' = 'jdbc'，而不是'connector.type' = 
> 'jdbc'，这个是老的使用方式
> b. JDBC 
> connector的jar需要显式添加相关依赖，可以如何在PyFlink中添加jar依赖，可以看一下[2]。其中JDBC需要的的jar，可以参考[1]
>
>[1] 
>https://ci.apache.org/projects/flink/flink-docs-release-1.12/dev/table/connectors/jdbc.html
> 
>
>[2] 
>https://ci.apache.org/projects/flink/flink-docs-release-1.12/dev/python/table-api-users-guide/python_table_api_connectors.html#download-connector-and-format-jars
>
>> 在 2020年12月17日，上午10:06，肖越 <18242988...@163.com> 写道：
>> 
>> 谢谢您的帮助，所以没有办法通过定义connector的方式获取连接是么？ 有没有其他办法呢？
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 在 2020-12-17 09:55:08，"Leonard Xu"  写道：
>>> 目前 JDBC connector 只支持 MySQL, Pg和Derby(一般测试用)这几种dialect， Oracle还不支持。
>>> 
>>> 祝好，
>>> Leonard
>>> 
 在 2020年12月17日，09:47，肖越 <18242988...@163.com> 写道：
 
 pyflink小白，测试pyflink1.12功能，想通过定义connector从oracle数据库中获取数据
 通过如下方式定义：
 env = StreamExecutionEnvironment.get_execution_environment()
 env.set_parallelism(1)
 env = StreamTableEnvironment \
   .create(env, environment_settings=EnvironmentSettings
   .new_instance()
   .use_blink_planner().build())
 source_ddl1 = """
   CREATE TABLE source_table (id BIGINT,pf_id VARCHAR,\
   tree_id VARCHAR,node_id VARCHAR,biz_date DATE,\
   ccy_type VARCHAR,cur_id_d VARCHAR,tldrate DOUBLE,\
   is_valid INT,time_mark TIMESTAMP) WITH (
   'connector.type' = 'jdbc',
   'connector.url' = 'jdbc:oracle:thin:@ip:dbnamel',
   'connector.table' = 'ts_pf_ac_yldrate',
   'connector.driver' = 'oracle.jdbc.driver.OracleDriver',
   'connector.username' = 'xxx',
   'connector.password' = 'xxx')
   """
 sql = "select pf_id,biz_date from source_table where biz_date='20160701' "
 env.sql_update(source_ddl1)
 table = env.sql_query(sql)
 env.execute("flink_test")
 报错信息：
   raise java_exception
 pyflink.util.exceptions.TableException: findAndCreateTableSource failed.
 at 
 org.apache.flink.table.factories.TableFactoryUtil.findAndCreateTableSource(TableFactoryUtil.java:49)
 at 
 org.apache.flink.table.planner.plan.schema.LegacyCatalogSourceTable.findAndCreateLegacyTableSource(LegacyCatalogSourceTable.scala:193)
 at 
 org.apache.flink.table.planner.plan.schema.LegacyCatalogSourceTable.toRel(LegacyCatalogSourceTable.scala:94)
 at 
 org.apache.calcite.sql2rel.SqlToRelConverter.toRel(SqlToRelConverter.java:3585)
 at 
 org.apache.calcite.sql2rel.SqlToRelConverter.convertIdentifier(SqlToRelConverter.java:2507)
 at 
 org.apache.calcite.sql2rel.SqlToRelConverter.convertFrom(SqlToRelConverter.java:2144)
 at 
 org.apache.calcite.sql2rel.SqlToRelConverter.convertFrom(SqlToRelConverter.java:2093)
 at 
 org.apache.calcite.sql2rel.SqlToRelConverter.convertFrom(SqlToRelConverter.java:2050)
 at 
 org.apache.calcite.sql2rel.SqlToRelConverter.convertSelectImpl(SqlToRelConverter.java:663)
 at 
 org.apache.calcite.sql2rel.SqlToRelConverter.convertSelect(SqlToRelConverter.java:644)
 at 
 org.apache.calcite.sql2rel.SqlToRelConverter.convertQueryRecursive(SqlToRelConverter.java:3438)
 at 
 org.apache.calcite.sql2rel.SqlToRelConverter.convertQuery(SqlToRelConverter.java:570)
 at 
 org.apache.flink.table.planner.calcite.FlinkPlannerImpl.org$apache$flink$table$planner$calcite$FlinkPlannerImpl$$rel(FlinkPlannerImpl.scala:165)
 at 
 org.apache.flink.table.planner.calcite.FlinkPlannerImpl.rel(FlinkPlannerImpl.scala:157)
 at 
 org.apache.flink.table.planner.operations.SqlToOperationConverter.toQueryOperation(SqlToOperationConverter.java:823)
 at 
 org.apache.flink.table.planner.operations.SqlToOperationConverter.convertSqlQuery(SqlToOperationConverter.java:795)
 at 
 org.apache.flink.table.planner.operations.SqlToOperationConverter.convert(SqlToOperationConverter.java:250)
 at 
 org.apache.flink.table.planner.delegation.ParserImpl.parse(ParserImpl.java:78)
 at 
 org.apache.flink.table.api.internal.TableEnvironmentImpl.sqlQuery(TableEnvironmentImpl.java:639)
 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.flink.api.python.shaded.py4j.reflection.MethodInvoker.invoke(M

Re:Re: Pyflink1.12尝试连接oracle数据，报错findAndCreateTableSource failed

2020-12-16 文章 肖越 
谢谢您的帮助，所以没有办法通过定义connector的方式获取连接是么？ 有没有其他办法呢？

















在 2020-12-17 09:55:08，"Leonard Xu"  写道：
>目前 JDBC connector 只支持 MySQL, Pg和Derby(一般测试用)这几种dialect， Oracle还不支持。
>
>祝好，
>Leonard
>
>> 在 2020年12月17日，09:47，肖越 <18242988...@163.com> 写道：
>> 
>> pyflink小白，测试pyflink1.12功能，想通过定义connector从oracle数据库中获取数据
>> 通过如下方式定义：
>> env = StreamExecutionEnvironment.get_execution_environment()
>> env.set_parallelism(1)
>> env = StreamTableEnvironment \
>>.create(env, environment_settings=EnvironmentSettings
>>.new_instance()
>>.use_blink_planner().build())
>> source_ddl1 = """
>>CREATE TABLE source_table (id BIGINT,pf_id VARCHAR,\
>>tree_id VARCHAR,node_id VARCHAR,biz_date DATE,\
>>ccy_type VARCHAR,cur_id_d VARCHAR,tldrate DOUBLE,\
>>is_valid INT,time_mark TIMESTAMP) WITH (
>>'connector.type' = 'jdbc',
>>'connector.url' = 'jdbc:oracle:thin:@ip:dbnamel',
>>'connector.table' = 'ts_pf_ac_yldrate',
>>'connector.driver' = 'oracle.jdbc.driver.OracleDriver',
>>'connector.username' = 'xxx',
>>'connector.password' = 'xxx')
>>"""
>> sql = "select pf_id,biz_date from source_table where biz_date='20160701' "
>> env.sql_update(source_ddl1)
>> table = env.sql_query(sql)
>> env.execute("flink_test")
>> 报错信息：
>>raise java_exception
>> pyflink.util.exceptions.TableException: findAndCreateTableSource failed.
>> at 
>> org.apache.flink.table.factories.TableFactoryUtil.findAndCreateTableSource(TableFactoryUtil.java:49)
>> at 
>> org.apache.flink.table.planner.plan.schema.LegacyCatalogSourceTable.findAndCreateLegacyTableSource(LegacyCatalogSourceTable.scala:193)
>> at 
>> org.apache.flink.table.planner.plan.schema.LegacyCatalogSourceTable.toRel(LegacyCatalogSourceTable.scala:94)
>> at 
>> org.apache.calcite.sql2rel.SqlToRelConverter.toRel(SqlToRelConverter.java:3585)
>> at 
>> org.apache.calcite.sql2rel.SqlToRelConverter.convertIdentifier(SqlToRelConverter.java:2507)
>> at 
>> org.apache.calcite.sql2rel.SqlToRelConverter.convertFrom(SqlToRelConverter.java:2144)
>> at 
>> org.apache.calcite.sql2rel.SqlToRelConverter.convertFrom(SqlToRelConverter.java:2093)
>> at 
>> org.apache.calcite.sql2rel.SqlToRelConverter.convertFrom(SqlToRelConverter.java:2050)
>> at 
>> org.apache.calcite.sql2rel.SqlToRelConverter.convertSelectImpl(SqlToRelConverter.java:663)
>> at 
>> org.apache.calcite.sql2rel.SqlToRelConverter.convertSelect(SqlToRelConverter.java:644)
>> at 
>> org.apache.calcite.sql2rel.SqlToRelConverter.convertQueryRecursive(SqlToRelConverter.java:3438)
>> at 
>> org.apache.calcite.sql2rel.SqlToRelConverter.convertQuery(SqlToRelConverter.java:570)
>> at 
>> org.apache.flink.table.planner.calcite.FlinkPlannerImpl.org$apache$flink$table$planner$calcite$FlinkPlannerImpl$$rel(FlinkPlannerImpl.scala:165)
>> at 
>> org.apache.flink.table.planner.calcite.FlinkPlannerImpl.rel(FlinkPlannerImpl.scala:157)
>> at 
>> org.apache.flink.table.planner.operations.SqlToOperationConverter.toQueryOperation(SqlToOperationConverter.java:823)
>> at 
>> org.apache.flink.table.planner.operations.SqlToOperationConverter.convertSqlQuery(SqlToOperationConverter.java:795)
>> at 
>> org.apache.flink.table.planner.operations.SqlToOperationConverter.convert(SqlToOperationConverter.java:250)
>> at 
>> org.apache.flink.table.planner.delegation.ParserImpl.parse(ParserImpl.java:78)
>> at 
>> org.apache.flink.table.api.internal.TableEnvironmentImpl.sqlQuery(TableEnvironmentImpl.java:639)
>> 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.flink.api.python.shaded.py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244)
>> at 
>> org.apache.flink.api.python.shaded.py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
>> at org.apache.flink.api.python.shaded.py4j.Gateway.invoke(Gateway.java:282)
>> at 
>> org.apache.flink.api.python.shaded.py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
>> at 
>> org.apache.flink.api.python.shaded.py4j.commands.CallCommand.execute(CallCommand.java:79)
>> at 
>> org.apache.flink.api.python.shaded.py4j.GatewayConnection.run(GatewayConnection.java:238)
>> at java.lang.Thread.run(Thread.java:748)