Hao Zhu created DRILL-1773:
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Summary: Issues when using JAVA code thourgh Drill JDBC driver
Key: DRILL-1773
URL: https://issues.apache.org/jira/browse/DRILL-1773
Project: Apache Drill
Issue Type: Bug
Components: Client - JDBC
Affects Versions: 0.6.0, 0.7.0
Environment: Tested on 0.6R3
Reporter: Hao Zhu
Attachments: DrillJdbcExample.java
When executing attached simple JAVA code through Drill JDBC driver(0..6 R3),
the query got executed and returned the correct result, however there are 2
issues:
1. It keeps printing DEBUG information.
Is it default behavior or is there any way to disable DEBUG?
eg:
{code}
13:30:44.702 [Client-1] DEBUG i.n.u.i.JavassistTypeParameterMatcherGenerator -
Generated: io.netty.util.internal.__matchers__.io.netty.buffer.ByteBufMatcher
13:30:44.706 [Client-1] DEBUG i.n.u.i.JavassistTypeParameterMatcherGenerator -
Generated:
io.netty.util.internal.__matchers__.org.apache.drill.exec.rpc.OutboundRpcMessageMatcher
13:30:44.708 [Client-1] DEBUG i.n.u.i.JavassistTypeParameterMatcherGenerator -
Generated:
io.netty.util.internal.__matchers__.org.apache.drill.exec.rpc.InboundRpcMessageMatcher
13:30:44.717 [Client-1] DEBUG io.netty.util.Recycler -
-Dio.netty.recycler.maxCapacity.default: 262144
{code}
2. After the query finished, it seems not close the connection and did not
return to shell prompt.
I have to manually issue "ctrl-C" to stop it.
{code}
13:31:11.239 [main-SendThread(xx.xx.xx.xx:5181)] DEBUG
org.apache.zookeeper.ClientCnxn - Got ping response for sessionid:
0x1497d1d0d040839 after 0ms
13:31:24.573 [main-SendThread(xx.xx.xx.xx:5181)] DEBUG
org.apache.zookeeper.ClientCnxn - Got ping response for sessionid:
0x1497d1d0d040839 after 1ms
13:31:37.906 [main-SendThread(xx.xx.xx.xx:5181)] DEBUG
org.apache.zookeeper.ClientCnxn - Got ping response for sessionid:
0x1497d1d0d040839 after 0ms
^CAdministrators-MacBook-Pro-40:xxx$
{code}
========
The DrillJdbcExample.java is attached.
Command to run:
{code}
javac DrillJdbcExample.java
java DrillJdbcExample
{code}
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