嵌套的异常是java

嵌套的异常是java

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Spring Batch无法获取last_insert_id();嵌套的异常是java.sql.SQLException:超出了锁定等待超时；

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问题描述

我在MySQL数据库上使用Spring Batch 3.0.5.RELEASE.我有一份工作，可以从多个表中读取并处理记录，并在完成后标记它们的状态.作业数据的设计方式使同一作业的多个实例可以运行而不会互相踩脚..(它们具有自己的数据集可用于工作)

I am using spring batch 3.0.5.RELEASE on MySQL database.I have a job which reads from multiple tables and process the records and mark their status after completion. The job data is designed in such a way that multiple instances of the same job can run without stepping on each others toes..(They have there own data set to work with)

我有以下作业库配置.

protected JobRepository createJobRepository() throws Exception {
    JobRepositoryFactoryBean factory = new JobRepositoryFactoryBean();
    factory.setDataSource(dataSource);
    factory.setTransactionManager(transactionManager);
    factory.setTablePrefix(TABLE_PREFIX);
    factory.setIsolationLevelForCreate("ISOLATION_READ_COMMITTED");
    factory.afterPropertiesSet();
    return  factory.getObject();
}

当我运行该作业的多个实例时，一段时间后出现以下异常.一些实例成功完成，但是某些实例由于该异常而失败.

When I run the multiple instances of this job I get following exception after some time. Some instances complete successfully however some instances fail due to this exception.

[12-04-2015 17:08:06,276] [Thread 39] ERROR org.springframework.batch.core.job.AbstractJob: Encountered fatal error executing job
org.springframework.batch.core.JobExecutionException: Flow execution ended unexpectedly
    at org.springframework.batch.core.job.flow.FlowJob.doExecute(FlowJob.java:140)
    at org.springframework.batch.core.job.AbstractJob.execute(AbstractJob.java:306)
    at org.springframework.batch.core.launch.support.SimpleJobLauncher$1.run(SimpleJobLauncher.java:135)
    at org.springframework.core.task.SimpleAsyncTaskExecutor$ConcurrencyThrottlingRunnable.run(SimpleAsyncTaskExecutor.java:251)
    at java.lang.Thread.run(Thread.java:745)
Caused by: org.springframework.batch.core.job.flow.FlowExecutionException: Ended flow=SuspendAccountFlow at state=SuspendAccountFlow.partitionAccountListStep with exception
    at org.springframework.batch.core.job.flow.support.SimpleFlow.resume(SimpleFlow.java:178)
    at org.springframework.batch.core.job.flow.support.SimpleFlow.start(SimpleFlow.java:144)
    at org.springframework.batch.core.job.flow.FlowJob.doExecute(FlowJob.java:134)
    ... 4 more
Caused by: org.springframework.dao.DataAccessResourceFailureException: Could not obtain last_insert_id(); nested exception is java.sql.SQLException: Lock wait timeout exceeded; try restarting transaction
    at org.springframework.jdbc.support.incrementer.MySQLMaxValueIncrementer.getNextKey(MySQLMaxValueIncrementer.java:118)
    at org.springframework.jdbc.support.incrementer.AbstractDataFieldMaxValueIncrementer.nextLongValue(AbstractDataFieldMaxValueIncrementer.java:128)
    at org.springframework.batch.core.repository.dao.JdbcStepExecutionDao.buildStepExecutionParameters(JdbcStepExecutionDao.java:187)
    at org.springframework.batch.core.repository.dao.JdbcStepExecutionDao.saveStepExecution(JdbcStepExecutionDao.java:118)
    at org.springframework.batch.core.repository.support.SimpleJobRepository.add(SimpleJobRepository.java:170)
    at sun.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
    at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)
    at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281)
    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)
    at com.sun.proxy.$Proxy25.add(Unknown Source)
    at sun.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
    at org.springframework.batch.core.configuration.annotation.SimpleBatchConfiguration$PassthruAdvice.invoke(SimpleBatchConfiguration.java:127)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)
    at com.sun.proxy.$Proxy25.add(Unknown Source)
    at org.springframework.batch.core.job.SimpleStepHandler.handleStep(SimpleStepHandler.java:144)
    at org.springframework.batch.core.job.flow.JobFlowExecutor.executeStep(JobFlowExecutor.java:64)
    at org.springframework.batch.core.job.flow.support.state.StepState.handle(StepState.java:67)
    at org.springframework.batch.core.job.flow.support.SimpleFlow.resume(SimpleFlow.java:169)
    ... 6 more
Caused by: java.sql.SQLException: Lock wait timeout exceeded; try restarting transaction
    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:998)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3847)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3783)
    at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2447)
    at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2594)
    at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2541)
    at com.mysql.jdbc.StatementImpl.executeUpdate(StatementImpl.java:1604)
    at com.mysql.jdbc.StatementImpl.executeUpdate(StatementImpl.java:1535)
    at org.apache.commons.dbcp.DelegatingStatement.executeUpdate(DelegatingStatement.java:228)
    at org.apache.commons.dbcp.DelegatingStatement.executeUpdate(DelegatingStatement.java:228)

到目前为止，我一直在尝试追踪.

I tries following so far.

  1. 增加DB中的锁定等待时间.
  2. 将序列表的类型从InnoDB更改为MyISAM.将类型更改为MyISAM后，所有作业都开始失败.但是有不同的例外.
  3. 将作业存储库的事务隔离级别设置为ISOLATION_READ_COMMITTED

到目前为止，没有任何帮助.请分享您对此的想法.

Nothing from above helped so far. Please share your thoughts on this.

推荐答案

请检查您使用的是哪个数据库.如果使用MySQL，则在context.xml文件中，databaseType应为mysql.我正在使用postgresql，所以我使用过postgres.可接受的databaseType格式如下

Please check which DB you are using. If you are using MySQL, then in context.xml file, databaseType should be mysql. I'm using postgresql, so I have used postgres. Accepted databaseType formats are as follows

DERBY，DB2，DB2ZOS，HSQL，SQLSERVER，MYSQL，ORACLE，POSTGRES，SYBASE，H2

我的JobRepository bean如下

My JobRepository bean is as follows

<bean id="jobRepository"
    class="org.springframework.batch.core.repository.support.JobRepositoryFactoryBean">
    <property name="dataSource" ref="dataSource" />
    <property name="transactionManager" ref="transactionManager" />
    <property name="databaseType" value="postgres" />
</bean>

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