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 <module>
"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 <listcomp>
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.<init>(URL.java:617)
at java.net.URL.<init>(URL.java:507)
at java.net.URL.<init>(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" <dian0511...@gmail.com> 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" <dian0511...@gmail.com> 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
>>>
>>> <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" <xbjt...@gmail.com> 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)
>>>
