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Cloudera, BigData, Semantic IoT, Hadoop, NoSQL

Cloudera CDH/CDP 및 Hadoop EcoSystem, Semantic IoT등의 개발/운영 기술을 정리합니다. gooper@gooper.com로 문의 주세요.


* 참고1 ==> http://kshmc.tistory.com/entry/MyBatis-Datasource-%EC%B0%B8%EA%B3%A0
* 참고2 ==> http://fruitdev.tistory.com/59

mybatis을 이용한 java프로그램에서 주말(토,일)에 아래와 같은 오류가 발생하는 경우가 있는데 이는 커넥션이 끊어진 상태에서 query를 보내려할때 발생한다. 이때는 mybatis에서 아래와 같은 설정 하여준다. 특히 아래의 두개 값이 설정되어야 주기적으로 커넥션을 체크하여 커넥션을 유지 할 수 있다.

poolPingEnabled : 커넥션이 살아있는지 ping 테스트 여부
poolPingQuery : 커넥션 ping 테스트 쿼리 (DB 종류에 따라 적절하게 수정)

--------설정부분--------------------------------
<environments default="development">
    <environment id="development">
        <transactionManager type="JDBC" />
        <dataSource type="POOLED">
            <property name="driver" value="${driver}" />
            <property name="url" value="${url}" />
            <property name="username" value="${username}" />
            <property name="password" value="${password}" />
            <property name="poolMaximumActiveConnections" value="20"/>
            <property name="poolMaximumIdleConnections" value="20"/>
            <property name="poolMaximumCheckoutTime" value="20000"/>
            <property name="poolPingEnabled" value="true"/>
            <property name="poolPingQuery" value="select 1"/>
            <property name="poolPingConnectionsNotUsedFor" value="10000"/>
            <property name="poolTimeToWait" value="15000"/>
        </dataSource>
    </environment>
</environments>

------------------------------오류내용-----------------------------------
[2016-10-31 10:47:30,879] [util.Utils] [runShell(#581)] [DEBUG] Thread errMsgT Status : TERMINATED 
[2016-10-31 10:47:30,879] [util.Utils] [runShell(#586)] [DEBUG] notTimeOver ==========================>true 
[2016-10-31 10:47:30,879] [util.Utils] [runShell(#601)] [DEBUG] process destoryed ==========================> 
[2016-10-31 10:47:30,879] [sf.TripleService] [sendTripleFile(#247)] [DEBUG] resultStr in TripleService.sendTripleFile() == > [, ] 
[2016-10-31 10:47:30,879] [sf.TripleService] [sendTripleFile(#258)] [INFO] sendTripleFile end==========================> 
[2016-10-31 10:47:30,879] [onem2m.AvroOneM2MDataSubscribe] [sendTriples(#224)] [INFO] Sending triples in com.gooper.icbms.sda.kafka.onem2m.AvroOneM2MDataSubscribe end....................... 
[2016-10-31 10:47:30,879] [comm.SchComm] [updateFinishTime(#69)] [DEBUG] updateFinishTime in SchComm start..... 
[2016-10-31 10:47:30,879] [service.Sch2ServiceImpl] [updateFinishTime(#143)] [DEBUG] updateFinishTime() ......................... start  
org.apache.ibatis.exceptions.PersistenceException: 
### Error updating database.  Cause: org.apache.ibatis.transaction.TransactionException: Error configuring AutoCommit.  Your driver may not support getAutoCommit() or setAutoCommit(). Requested setting: false.  Cause: java.sql.SQLNonTransientConnectionException: Could not read resultset: unexpected end of stream, read 0 bytes from 4
### Cause: org.apache.ibatis.transaction.TransactionException: Error configuring AutoCommit.  Your driver may not support getAutoCommit() or setAutoCommit(). Requested setting: false.  Cause: java.sql.SQLNonTransientConnectionException: Could not read resultset: unexpected end of stream, read 0 bytes from 4
        at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:23)
        at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:150)
        at com.gooper.icbms.sda.comm.sch.dao.Sch2DAO.updateFinishTime(Sch2DAO.java:33)
        at com.gooper.icbms.sda.comm.service.Sch2ServiceImpl.updateFinishTime(Sch2ServiceImpl.java:144)
        at com.gooper.icbms.sda.comm.SchComm.updateFinishTime(SchComm.java:93)
        at com.gooper.icbms.sda.kafka.onem2m.AvroOneM2MDataSubscribe$1.run(AvroOneM2MDataSubscribe.java:162)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.ibatis.transaction.TransactionException: Error configuring AutoCommit.  Your driver may not support getAutoCommit() or setAutoCommit(). Requested setting: false.  Cause: java.sql.SQLNonTransientConnectionException: Could not read resultset: unexpected end of stream, read 0 bytes from 4
        at org.apache.ibatis.transaction.jdbc.JdbcTransaction.setDesiredAutoCommit(JdbcTransaction.java:102)
        at org.apache.ibatis.transaction.jdbc.JdbcTransaction.openConnection(JdbcTransaction.java:135)
        at org.apache.ibatis.transaction.jdbc.JdbcTransaction.getConnection(JdbcTransaction.java:58)
        at org.apache.ibatis.executor.BaseExecutor.getConnection(BaseExecutor.java:271)
        at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:69)
        at org.apache.ibatis.executor.SimpleExecutor.doUpdate(SimpleExecutor.java:44)
        at org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:100)
        at org.apache.ibatis.executor.CachingExecutor.update(CachingExecutor.java:75)
        at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:148)
        ... 7 more
Caused by: java.sql.SQLNonTransientConnectionException: Could not read resultset: unexpected end of stream, read 0 bytes from 4
        at org.mariadb.jdbc.internal.util.ExceptionMapper.get(ExceptionMapper.java:123)
        at org.mariadb.jdbc.internal.util.ExceptionMapper.throwException(ExceptionMapper.java:69)
        at org.mariadb.jdbc.MariaDbStatement.executeQueryEpilog(MariaDbStatement.java:261)
        at org.mariadb.jdbc.MariaDbStatement.execute(MariaDbStatement.java:290)
        at org.mariadb.jdbc.MariaDbStatement.executeUpdate(MariaDbStatement.java:474)
        at org.mariadb.jdbc.MariaDbStatement.executeUpdate(MariaDbStatement.java:490)
        at org.mariadb.jdbc.MariaDbConnection.setAutoCommit(MariaDbConnection.java:492)
        at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:497)
        at org.apache.ibatis.datasource.pooled.PooledConnection.invoke(PooledConnection.java:245)
        at com.sun.proxy.$Proxy5.setAutoCommit(Unknown Source)
        at org.apache.ibatis.transaction.jdbc.JdbcTransaction.setDesiredAutoCommit(JdbcTransaction.java:97)
        ... 15 more
Caused by: org.mariadb.jdbc.internal.util.dao.QueryException: Could not read resultset: unexpected end of stream, read 0 bytes from 4
        at org.mariadb.jdbc.internal.protocol.AbstractQueryProtocol.getResult(AbstractQueryProtocol.java:472)
        at org.mariadb.jdbc.internal.protocol.AbstractQueryProtocol.result(AbstractQueryProtocol.java:401)
        at org.mariadb.jdbc.internal.protocol.AbstractQueryProtocol.executeQuery(AbstractQueryProtocol.java:383)
        at org.mariadb.jdbc.internal.protocol.AbstractQueryProtocol.executeQuery(AbstractQueryProtocol.java:339)
        at org.mariadb.jdbc.MariaDbStatement.execute(MariaDbStatement.java:280)
        ... 24 more
Caused by: java.io.EOFException: unexpected end of stream, read 0 bytes from 4
        at org.mariadb.jdbc.internal.util.buffer.ReadUtil.readFully(ReadUtil.java:78)
        at org.mariadb.jdbc.internal.packet.read.RawPacket.nextPacket(RawPacket.java:112)
        at org.mariadb.jdbc.internal.packet.read.ReadPacketFetcher.getReusableRawPacket(ReadPacketFetcher.java:143)
        at org.mariadb.jdbc.internal.protocol.AbstractQueryProtocol.getResult(AbstractQueryProtocol.java:417)
        ... 28 more
[2016-10-31 10:47:30,880] [service.Sch2ServiceImpl] [updateFinishTime(#154)] [DEBUG] Exception in updateFinishTime()=====> 
### Error updating database.  Cause: org.apache.ibatis.transaction.TransactionException: Error configuring AutoCommit.  Your driver may not support getAutoCommit() or setAutoCommit(). Requested setting: false.  Cause: java.sql.SQLNonTransientConnectionException: Could not read resultset: unexpected end of stream, read 0 bytes from 4
### Cause: org.apache.ibatis.transaction.TransactionException: Error configuring AutoCommit.  Your driver may not support getAutoCommit() or setAutoCommit(). Requested setting: false.  Cause: java.sql.SQLNonTransientConnectionException: Could not read resultset: unexpected end of stream, read 0 bytes from 4 
[2016-10-31 10:47:30,881] [onem2m.AvroOneM2MDataSubscribe$1] [run(#171)] [DEBUG] consumer(com.gooper.icbms.sda.kafka.onem2m.AvroOneM2MDataSubscribe$1) exception : org.apache.ibatis.exceptions.PersistenceException: 
### Error updating database.  Cause: org.apache.ibatis.transaction.TransactionException: Error configuring AutoCommit.  Your driver may not support getAutoCommit() or setAutoCommit(). Requested setting: false.  Cause: java.sql.SQLNonTransientConnectionException: Could not read resultset: unexpected end of stream, read 0 bytes from 4
### Cause: org.apache.ibatis.transaction.TransactionException: Error configuring AutoCommit.  Your driver may not support getAutoCommit() or setAutoCommit(). Requested setting: false.  Cause: java.sql.SQLNonTransientConnectionException: Could not read resultset: unexpected end of stream, read 0 bytes from 4 

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300 [우분투] suppoie 채굴 프로세스 발생시 자동으로 삭제하는 shell프로그램 2018.04.01 568
299 Cloudera의 API를 이용하여 impala의 실행되었던 쿼리 확인하는 예시 2018.05.03 568
298 kafka 0.9.0.1 for scala 2.1.1 설치및 테스트 2016.05.02 570
297 [oneM2M]Ontologies used for oneM2M 2017.08.02 570
296 kudu 테이블 metadata강제 삭제시 발생하는 오류 메세지 2022.01.12 572
295 Impala daemon기동시 "Could not create temporary timezone file"오류 발생시 조치사항 2018.03.29 575
294 데이타 제공 사이트 링크 2014.08.03 576
293 impala,hive및 hdfs만 접근가능하고 파일을 이용한 테이블생성가능하도록 hue 권한설정설정 2018.09.17 576
292 Incompatible clusterIDs오류 원인및 해결방법 2016.04.01 577
291 lagom에서 제공하는 초기 생성기능을 이용하여 생성한 프로젝트의 소스 파악 2018.01.16 578
290 [kudu]테이블 drop이 안되고 timeout이 걸리는 경우 조치 방법 2020.06.08 579
289 spark-sql실행시 The specified datastore driver ("com.mysql.jdbc.Driver") was not found in the CLASSPATH오류 발생시 조치사항 2016.06.09 581
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287 CDH에서 Sentry 개념및 설정 file 2018.06.21 582
286 시스템날짜를 현재 정보로 동기화 하는 방법(rdate, ntpdate이용) 2014.08.24 583
285 Windows7 64bit 환경에서 Apache Spark 2.2.0 설치하기 2017.07.26 583
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