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
- xpath基础知识
相关链接: http://www.ruanyifeng.com/blog/2009/07/xpath_path_expressions.html 自动生成xpath的工具: http://blog.s ...
- 用WP_Query自定义WordPress 主循环
我们知道操作 WordPress 主循环(WordPress Loop)最容易的方法是使用 query_posts 函数. 但是使用 query_posts 直接修改 WordPress 默认的主循环 ...
- 关闭火车头dedecms发布模块自动关键词,解决火车头发布dedecms文章关键词过多问题
用火车头发布dedecms文章时,经常会自动添加关键词,这些关键词默认有10个,数量过多,而且是随机提取的,乱七八糟的词都进去了,如下图所示: 这些关键词可能会成为se判断你作弊的依据,现在se也弱化 ...
- zhx's contest (矩阵快速幂 + 数学推论）
zhx's contest Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) To ...
- 如何看K线图基础知识
在日K线图中一般白线.黄线.紫线.绿线依次分别表示:5.10.20.60日移动平均线,但这并不是固定的,会根据设置的不同而不同,比如你也可以在系统里把它们设为5.15.30.60均线. 你看K线图的上 ...
- Vector3.Lerp 插值
Vector3.Lerp 插值 static function Lerp (from : Vector3, to : Vector3, t : float) : Vector3 Description ...
- IOS 中的CoreImage框架
IOS 中的CoreImage框架(framework) - time4cnblogs 时间 2014-03-15 00:24:00 博客园-所有随笔区原文 http://www.cnblogs. ...
- KMP算法精髓
这个算法的做法就是在部分匹配的时候,常规想法是向后移动一位,但是KMP想法是向后移动n位(n=m-L). 注释:这里m表示已经匹配了的字符的个数,L表示已经匹配了的那些字符组成的这个字符串的前缀和后缀 ...
- .Net Attribute特性
1.什么是Atrribute 首先,我们肯定Attribute是一个类,下面是msdn文档对它的描述: 公共语言运行时允许你添加类似关键字的描述声明,叫做attributes, 它对程序中的元素进行标 ...
- Kth Largest Element in an Array
Find K-th largest element in an array. Notice You can swap elements in the array Example In array [9 ...