登录Cloudera Manager时报错org.hibernate.exception.GenericJDBCException: Could not open connection
去Cloudera Server上边看了一下日志：
cat /opt/cloudera-manager/log/cloudera-scm-server/cloudera-scm-server.log
日志大概如下：
etConnection(LogicalConnectionImpl.java:157)
at org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction.doBegin(JdbcTransaction.java:67)
at org.hibernate.engine.transaction.spi.AbstractTransactionImpl.begin(AbstractTransactionImpl.java:160)
at org.hibernate.internal.SessionImpl.beginTransaction(SessionImpl.java:1426)
at org.hibernate.ejb.TransactionImpl.begin(TransactionImpl.java:59)
... 25 more
Caused by: java.sql.SQLException: An attempt by a client to checkout a Connection has timed out.
at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:106)
at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:65)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:527)
at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128)
at org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider.getConnection(C3P0ConnectionProvider.java:84)
at org.hibernate.internal.AbstractSessionImpl$NonContextualJdbcConnectionAccess.obtainConnection(AbstractSessionImpl.java:292)
at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.obtainConnection(LogicalConnectionImpl.java:214)
... 30 more
Caused by: com.mchange.v2.resourcepool.TimeoutException: A client timed out while waiting to acquire a resource from com.mchange.v2.resourcepool.BasicResourcePool@5d295ae4 -- timeout at awaitAvailable()
at com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1317)
at com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:557)
at com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:477)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:525)
... 34 more
2015-03-05 10:44:08,216 WARN 894561469@agentServer-20307:org.apache.avro.ipc.Responder: system error
org.apache.avro.AvroRuntimeException: Unknown datum type: javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: Could not open connection
at org.apache.avro.generic.GenericData.getSchemaName(GenericData.java:574)
at org.apache.avro.generic.GenericData.resolveUnion(GenericData.java:539) .invoke(Method.java:606)
at org.apache.avro.ipc.specific.SpecificResponder.respond(SpecificResponder.java:88)
at org.apache.avro.ipc.Responder.respond(Responder.java:149)
at org.apache.avro.ipc.Responder.respond(Responder.java:99)
at org.apache.avro.ipc.ResponderServlet.doPost(ResponderServlet.java:48)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:945)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
Caused by: org.hibernate.exception.GenericJDBCException: Could not open connection
at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:54)
at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:125)
at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:110)
at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.obtainConnection(LogicalConnectionImpl.java:221)
at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.getConnection(LogicalConnectionImpl.java:157)
at org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction.doBegin(JdbcTransaction.java:67)
at org.hibernate.engine.transaction.spi.AbstractTransactionImpl.begin(AbstractTransactionImpl.java:160)
at org.hibernate.internal.SessionImpl.beginTransaction(SessionImpl.java:1426)
at org.hibernate.ejb.TransactionImpl.begin(TransactionImpl.java:59)
... 25 more
Caused by: java.sql.SQLException: An attempt by a client to checkout a Connection has timed out.
at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:106)
at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:65)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:527)
at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128)
at org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider.getConnection(C3P0ConnectionProvider.java:84)
at org.hibernate.internal.AbstractSessionImpl$NonContextualJdbcConnectionAccess.obtainConnection(AbstractSessionImpl.java:292)
at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.obtainConnection(LogicalConnectionImpl.java:214)
... 30 more
Caused by: com.mchange.v2.resourcepool.TimeoutException: A client timed out while waiting to acquire a resource from com.mchange.v2.resourcepool.BasicResourcePool@5d295ae4 -- timeout at awaitAvailable()
at com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1317)
at com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:557)
at com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:477)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:525)
... 34 more
2015-03-05 10:44:29,911 WARN 1251949272@agentServer-20337:org.apache.avro.ipc.Responder: system error
org.apache.avro.AvroRuntimeException: Unknown datum type: javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: Could not open connection
at org.apache.avro.generic.GenericData.getSchemaName(GenericData.java:574)
at org.apache.avro.generic.GenericData.resolveUnion(GenericData.java:539)
at org.apache.avro.generic.GenericDatumWriter.resolveUnion(GenericDatumWriter.java:137)
at org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:70)
at org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:57)
at org.apache.avro.ipc.specific.SpecificResponder.writeError(SpecificResponder.java:71)
at org.apache.avro.ipc.Responder.respond(Responder.java:167)
at org.apache.avro.ipc.Responder.respond(Responder.java:99)
at org.apache.avro.ipc.ResponderServlet.doPost(ResponderServlet.java:48)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:945)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) tityManager.begin(AbstractWrappedEntityManager.java:65)
at com.cloudera.cmf.persist.CmfEntityManager.begin(CmfEntityManager.java:289)
at com.cloudera.server.cmf.AgentProtocolImpl.heartbeat(AgentProtocolImpl.java:187)
at sun.reflect.GeneratedMethodAccessor785.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.avro.ipc.specific.SpecificResponder.respond(SpecificResponder.java:88)
at org.apache.avro.ipc.Responder.respond(Responder.java:149)
at org.apache.avro.ipc.Responder.respond(Responder.java:99)
at org.apache.avro.ipc.ResponderServlet.doPost(ResponderServlet.java:48)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:945)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
Caused by: org.hibernate.exception.GenericJDBCException: Could not open connection
at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:54)
at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:125)
at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:110)
at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.obtainConnection(LogicalConnectionImpl.java:221)
at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.getConnection(LogicalConnectionImpl.java:157)
at org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction.doBegin(JdbcTransaction.java:67)
at org.hibernate.engine.transaction.spi.AbstractTransactionImpl.begin(AbstractTransactionImpl.java:160)
at org.hibernate.internal.SessionImpl.beginTransaction(SessionImpl.java:1426)
at org.hibernate.ejb.TransactionImpl.begin(TransactionImpl.java:59)
... 25 more
Caused by: java.sql.SQLException: An attempt by a client to checkout a Connection has timed out.
at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:106)
at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:65)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:527)
at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128)
at org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider.getConnection(C3P0ConnectionProvider.java:84)
at org.hibernate.internal.AbstractSessionImpl$NonContextualJdbcConnectionAccess.obtainConnection(AbstractSessionImpl.java:292)
at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.obtainConnection(LogicalConnectionImpl.java:214)
... 30 more
Caused by: com.mchange.v2.resourcepool.TimeoutException: A client timed out while waiting to acquire a resource from com.mchange.v2.resourcepool.BasicResourcePool@5d295ae4 -- timeout at awaitAvailable()
at com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1317)
at com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:557)
at com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:477)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:525)
... 34 more
2015-03-05 10:44:38,310 WARN 850150812@agentServer-20312:org.apache.avro.ipc.Responder: system error
org.apache.avro.AvroRuntimeException: Unknown datum type: javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: Could not open connection
at org.apache.avro.generic.GenericData.getSchemaName(GenericData.java:574)
at org.apache.avro.generic.GenericData.resolveUnion(GenericData.java:539)
at org.apache.avro.generic.GenericDatumWriter.resolveUnion(GenericDatumWriter.java:137)
at org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:70)
at org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:57)
at org.apache.avro.ipc.specific.SpecificResponder.writeError(SpecificResponder.java:71)
at org.apache.avro.ipc.Responder.respond(Responder.java:167)
at org.apache.avro.ipc.Responder.respond(Responder.java:99)
at org.apache.avro.ipc.ResponderServlet.doPost(ResponderServlet.java:48)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) esponderServlet.java:48)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:945)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
Caused by: org.hibernate.exception.GenericJDBCException: Could not open connection
at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:54)
at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:125)
at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:110)
at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.obtainConnection(LogicalConnectionImpl.java:221)
at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.getConnection(LogicalConnectionImpl.java:157)
at org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction.doBegin(JdbcTransaction.java:67)
at org.hibernate.engine.transaction.spi.AbstractTransactionImpl.begin(AbstractTransactionImpl.java:160)
at org.hibernate.internal.SessionImpl.beginTransaction(SessionImpl.java:1426)
at org.hibernate.ejb.TransactionImpl.begin(TransactionImpl.java:59)
... 25 more
Caused by: java.sql.SQLException: An attempt by a client to checkout a Connection has timed out.
at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:106)
at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:65)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:527)
at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128)
at org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider.getConnection(C3P0ConnectionProvider.java:84)
at org.hibernate.internal.AbstractSessionImpl$NonContextualJdbcConnectionAccess.obtainConnection(AbstractSessionImpl.java:292)
at org.hibernate.engine.jdbc.internal.LogicalConnectionImpl.obtainConnection(LogicalConnectionImpl.java:214)
... 30 more
Caused by: com.mchange.v2.resourcepool.TimeoutException: A client timed out while waiting to acquire a resource from com.mchange.v2.resourcepool.BasicResourcePool@5d295ae4 -- timeout at awaitAvailable()
at com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1317)
at com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:557)
at com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:477)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:525)
... 34 more
2015-03-05 10:45:00,007 WARN 337113910@agentServer-20328:org.apache.avro.ipc.Responder: system error
org.apache.avro.AvroRuntimeException: Unknown datum type: javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: Could not open connection
at org.apache.avro.generic.GenericData.getSchemaName(GenericData.java:574)
at org.apache.avro.generic.GenericData.resolveUnion(GenericData.java:539)
at org.apache.avro.generic.GenericDatumWriter.resolveUnion(GenericDatumWriter.java:137)
at org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:70)
at org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:57)
at org.apache.avro.ipc.specific.SpecificResponder.writeError(SpecificResponder.java:71)
at org.apache.avro.ipc.Responder.respond(Responder.java:167)
at org.apache.avro.ipc.Responder.respond(Responder.java:99)
at org.apache.avro.ipc.ResponderServlet.doPost(ResponderServlet.java:48)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:945)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756)
根据日志谷歌了一下，发现是连接池用光了。
我又看了一下CDH的连接情况
netstat -anp | grep 9527
发现有N多连接挂起，KILL一些后即可正常登录。
N多连接挂起的原因暂时不同，希望清楚的朋友能指出，不胜感激。
登录Cloudera Manager时报错org.hibernate.exception.GenericJDBCException: Could not open connection的更多相关文章
- cloudera-scm-server启动时出现Caused by: javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: Could not open connection问题解决方法（图文详解）
问题现象 查看 [root@cmbigdata1 cloudera-scm-server]# pwd /var/log/cloudera-scm-server [root@cmbigdata1 clo ...
- org.hibernate.exception.GenericJDBCException: Could not open connection
1.错误描述 org.hibernate.exception.GenericJDBCException: Could not open connection at org.hibernate.exce ...
- shiro使用redis作为缓存，出现要清除缓存时报错 java.lang.Exception: Failed to deserialize at org.crazycake.shiro.SerializeUtils.deserialize(SerializeUtils.java:41) ~[shiro-redis-2.4.2.1-RELEASE.jar:na]
shiro使用redis作为缓存,出现要清除缓存时报错 java.lang.Exception: Failed to deserialize at org.crazycake.shiro.Serial ...
- Kettle 7启动 Spoon.bat 时报错“A Java Exception has occurred.”的解决方法
最近在研究Kettle 时出现启动时报错“A Java Exception has occurred.”的问题.刚开始没搞明白是什么原因,后来发现是jdk版本的问题.出现这个错误原因是 Kettle ...
- hibernate 级联删除报更新失败的问题（org.hibernate.exception.GenericJDBCException: Could not execute JDBC batch update）
首先hibernate级联删除的前提是,首先需要在映射文件中配置,配置多表之间的关联关系: 下面以部门表(Dept)和员工表(Emp)为例: 1.在Emp.hbm.xml映射文件中配置many-to- ...
- hibernate异常：org.hibernate.exception.GenericJDBCException
异常:org.hibernate.exception.GenericJDBCException 提示:Cannot open connection 提示:不能打开链接 一般这个异常是由 java.sq ...
- HTTP Status 500 - Request processing failed; nested exception is org.hibernate.exception.GenericJDBCException: could not execute statement
1.什么操作出现:当我在项目中添加产品或者修改时,浏览器出现HTTP Status 500 - Request processing failed; nested exception is org.h ...
- ERROR: Field 'PostId' doesn't have a default value Exception in thread "main" org.hibernate.exception.GenericJDBCException: could not execute statement
例子: Post p = new Post(); p.setPostId(3); p.setPostName("技术"); 在执行数据保持时提示session.save(p); 的 ...
- javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: ResultSet is from UPDATE. No Data.
Java jpa调用存储过程,抛出异常如下: javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCEx ...
随机推荐
- 利用sourcemap来调试sass
最近项目用上了sass,作为css的预处理器,它可以让我们用程序化的思维书写样式,极大的简化了css的开发,实在是前端居家旅行必备的利器. 我们都知道,在项目中,样式的频繁调试是不可避免的,用上sas ...
- hibernate中的session缓存
1.什么是session缓存? 在 Session 接口的实现中包含一系列的 Java 集合, 这些 Java 集合构成了 Session 缓存. 只要 Session 实例没有结束生命周期, 且没有 ...
- SGU 180 Inversions(离散化 + 线段树求逆序对）
题目链接:http://acm.sgu.ru/problem.php?contest=0&problem=180 解题报告:一个裸的求逆序对的题,离散化+线段树,也可以用离散化+树状数组.因为 ...
- unity3d AssetBundle包加密
原地址:http://www.cnblogs.com/88999660/archive/2013/03/15/2961587.html 保护资源管理文件的相关内容 Unity允许用户使用AssetBu ...
- JAVA-- M选N的组合算法
M选N的组合算法 只要每个数字出现一次就可以 举例 :也就是说123与321和213属于重复 只算一组 此算法已经排除了重复数据 应用--彩票的注数算法 本程序的思路是开一个数组b,其长度 ...
- C++中的memset()函数 ------------转自：http://www.360doc.com/content/10/1006/18/1704901_58866679.shtml
memset()函数可以对大内存的分配进行很方便的操作(初始化),所谓“初始化”,当然是指将你定义的变量或申请的空间赋予你所期望的值,例如语句int i=0;就表明定义了一个变量i,并初始化为0:如果 ...
- Centos6.7安装Apache2.4+Mysql5.6+Apache2.4
首先说下思路,因为一开始系统上已经跑了一套完成的 PHP 环境,那时候都是快速自动安装的,如果是跑一些5.3以下版本的话,很简单,几个指令,10分钟搞定了. 但现在要升级,彻底一点的话,唯有推倒重来了 ...
- host
#Google Services START209.116.186.241 0.docs.google.com209.116.186.241 0.drive.google.com209.116.186 ...
- Apple Swift中英文开发资源集锦[apple swift resources]
找到的一些Apple Swift中英文资源原文链接,希望对大家有所帮助.欢迎大家补充,原始资源链接最好! The Swift Programming Language https://develope ...
- Java for LeetCode 070 Climbing Stairs
You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb ...