spring batch exception无法构造java.util.Map $ Entry [英] spring batch exception Cannot construct java.util.Map$Entry
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问题描述
从命令行执行spring批处理作业时，我们面临以下异常。
Spring Batch版本 - 3.0.2.RELEASE
Spring版本 - 4.0.0.RELEASE
xStream版本 - 1.4.7
数据库 - mysql（我连接到新数据库） schema。）
使用以下命令执行作业时，我遇到异常...
We are facing following exception while executing spring batch job from command line. Spring Batch Version - 3.0.2.RELEASE Spring Version - 4.0.0.RELEASE xStream version - 1.4.7 Data Base - mysql (I am connecting to new DB schema.) While executing a job using following command, I am getting below exception...
java %JAVA_OPTS% org.springframework.batch.core.launch.support.CommandLineJobRunner config/spring-config.xml partitionJdbcJob
Exception
----------
INFO: Loaded JDBC driver: com.mysql.jdbc.Driver
Feb 20, 2015 3:22:28 PM org.springframework.batch.core.launch.support.SimpleJobLauncher afterPropertiesSet
INFO: No TaskExecutor has been set, defaulting to synchronous executor.
Feb 20, 2015 3:22:29 PM org.springframework.batch.core.launch.support.SimpleJobLauncher run
INFO: Job: [FlowJob: [name=partitionJdbcJob]] launched with the following parameters: [{}]
Feb 20, 2015 3:22:29 PM org.springframework.batch.core.job.AbstractJob execute
SEVERE: 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:304)
at org.springframework.batch.core.launch.support.SimpleJobLauncher$1.run(SimpleJobLauncher.java:135)
at org.springframework.core.task.SyncTaskExecutor.execute(SyncTaskExecutor.java:50)
at org.springframework.batch.core.launch.support.SimpleJobLauncher.run(SimpleJobLauncher.java:128)
at org.springframework.batch.core.launch.support.CommandLineJobRunner.start(CommandLineJobRunner.java:362)
at org.springframework.batch.core.launch.support.CommandLineJobRunner.main(CommandLineJobRunner.java:590)
Caused by: org.springframework.batch.core.job.flow.FlowExecutionException: Ended flow=partitionJdbcJob at state=partitionJdbcJob.step with exception
at org.springframework.batch.core.job.flow.support.SimpleFlow.resume(SimpleFlow.java:174)
at org.springframework.batch.core.job.flow.support.SimpleFlow.start(SimpleFlow.java:144)
at org.springframework.batch.core.job.flow.FlowJob.doExecute(FlowJob.java:134)
... 6 more
Caused by: com.thoughtworks.xstream.converters.ConversionException: Cannot construct java.util.Map$Entry : java.util.Map$Entry : Cannot construct java.util.Map$
Entry : java.util.Map$Entry
---- Debugging information ----
message : Cannot construct java.util.Map$Entry : java.util.Map$Entry
cause-exception : com.thoughtworks.xstream.converters.reflection.ObjectAccessException
cause-message : Cannot construct java.util.Map$Entry : java.util.Map$Entry
class : java.util.Map$Entry
required-type : java.util.Map$Entry
converter-type : com.thoughtworks.xstream.converters.reflection.ReflectionConverter
path : /map/map/entry
line number : -1
class[1] : java.util.HashMap
converter-type[1] : com.thoughtworks.xstream.converters.collections.MapConverter
version : 1.4.7
-------------------------------
at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:79)
at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.readItem(AbstractCollectionConverter.java:71)
at com.thoughtworks.xstream.converters.collections.MapConverter.putCurrentEntryIntoMap(MapConverter.java:106)
at com.thoughtworks.xstream.converters.collections.MapConverter.populateMap(MapConverter.java:98)
at com.thoughtworks.xstream.converters.collections.MapConverter.populateMap(MapConverter.java:92)
at com.thoughtworks.xstream.converters.collections.MapConverter.unmarshal(MapConverter.java:87)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:134)
at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32)
at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1185)
at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:1169)
at com.thoughtworks.xstream.XStream.fromXML(XStream.java:1040)
at com.thoughtworks.xstream.XStream.fromXML(XStream.java:1031)
at org.springframework.batch.core.repository.dao.XStreamExecutionContextStringSerializer.deserialize(XStreamExecutionContextStringSerializer.java:112)
at org.springframework.batch.core.repository.dao.XStreamExecutionContextStringSerializer.deserialize(XStreamExecutionContextStringSerializer.java:45)
at org.springframework.batch.core.repository.dao.JdbcExecutionContextDao$ExecutionContextRowMapper.mapRow(JdbcExecutionContextDao.java:322)
at org.springframework.batch.core.repository.dao.JdbcExecutionContextDao$ExecutionContextRowMapper.mapRow(JdbcExecutionContextDao.java:309)
at org.springframework.jdbc.core.RowMapperResultSetExtractor.extractData(RowMapperResultSetExtractor.java:93)
at org.springframework.jdbc.core.RowMapperResultSetExtractor.extractData(RowMapperResultSetExtractor.java:60)
at org.springframework.jdbc.core.JdbcTemplate$1.doInPreparedStatement(JdbcTemplate.java:706)
at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:642)
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:693)
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:725)
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:735)
at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:790)
at org.springframework.batch.core.repository.dao.JdbcExecutionContextDao.getExecutionContext(JdbcExecutionContextDao.java:127)
at org.springframework.batch.core.repository.support.SimpleJobRepository.getLastStepExecution(SimpleJobRepository.java:238)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
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:98)
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:262)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:95)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)
at $Proxy7.getLastStepExecution(Unknown Source)
at org.springframework.batch.core.job.SimpleStepHandler.handleStep(SimpleStepHandler.java:115)
at org.springframework.batch.core.job.flow.JobFlowExecutor.executeStep(JobFlowExecutor.java:64)
at org.springframework.batch.core.job.flow.support.state.StepState.handle(StepState.java:67)
at org.springframework.batch.core.job.flow.support.SimpleFlow.resume(SimpleFlow.java:165)
... 8 more
Caused by: com.thoughtworks.xstream.converters.reflection.ObjectAccessException: Cannot construct java.util.Map$Entry : java.util.Map$Entry
at com.thoughtworks.xstream.converters.reflection.SunLimitedUnsafeReflectionProvider.newInstance(SunLimitedUnsafeReflectionProvider.java:80)
at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.instantiateNewInstance(AbstractReflectionConverter.java:553)
at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.unmarshal(AbstractReflectionConverter.java:256)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
... 57 more
Caused by: java.lang.InstantiationException: java.util.Map$Entry
at sun.misc.Unsafe.allocateInstance(Native Method)
at com.thoughtworks.xstream.converters.reflection.SunLimitedUnsafeReflectionProvider.newInstance(SunLimitedUnsafeReflectionProvider.java:76)
... 60 more
Spring Config
----------------
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:task="http://www.springframework.org/schema/task"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.0.xsd
http://www.springframework.org/schema/batch http://www.springframework.org/schema/batch/spring-batch.xsd
http://www.springframework.org/schema/task
http://www.springframework.org/schema/task/spring-task-3.2.xsd">
<context:annotation-config />
<bean id="dataSource"
class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url" value="jdbc:mysql://localhost:3306/newspringbatch?useServerPrepStmts=false&rewriteBatchedStatements=true" />
<property name="username" value="uid" />
<property name="password" value="pwd" />
</bean>
<bean id="transactionManager"
class="org.springframework.batch.support.transaction.ResourcelessTransactionManager" />
<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
<constructor-arg ref="pooledDS" />
</bean>
<!-- DB Pooling -->
<bean id="pool" class="org.apache.commons.pool.impl.GenericObjectPool">
<property name="minEvictableIdleTimeMillis"><value>300000</value></property>
<property name="timeBetweenEvictionRunsMillis"><value>60000</value></property>
</bean>
<bean id="dsConnectionFactory" class="org.apache.commons.dbcp.DataSourceConnectionFactory">
<constructor-arg><ref bean="dataSource"/></constructor-arg>
</bean>
<bean id="poolableConnectionFactory" class="org.apache.commons.dbcp.PoolableConnectionFactory">
<constructor-arg index="0"><ref bean="dsConnectionFactory"/></constructor-arg>
<constructor-arg index="1"><ref bean="pool"/></constructor-arg>
<constructor-arg index="2"><null/></constructor-arg>
<constructor-arg index="3"><null/></constructor-arg>
<constructor-arg index="4"><value>false</value></constructor-arg>
<constructor-arg index="5"><value>true</value></constructor-arg>
</bean>
<bean id="pooledDS" class="org.apache.commons.dbcp.PoolingDataSource" depends-on="poolableConnectionFactory">
<constructor-arg><ref bean="pool"/></constructor-arg>
</bean>
<!-- stored job-meta in database -->
<bean id="batchDefaultSerializer" class="org.springframework.batch.core.repository.dao.DefaultExecutionContextSerializer" />
<bean id="jobRepository"
class="org.springframework.batch.core.repository.support.JobRepositoryFactoryBean">
<property name="dataSource" ref="pooledDS" />
<property name="transactionManager" ref="transactionManager" />
<property name="databaseType" value="mysql" />
</bean>
<bean id="jobLauncher"
class="org.springframework.batch.core.launch.support.SimpleJobLauncher">
<property name="jobRepository" ref="jobRepository" />
</bean>
<bean id="castorMarshaller" class="org.springframework.oxm.castor.CastorMarshaller"></bean>
<bean id="userUnmarshaller" class="org.springframework.oxm.xstream.XStreamMarshaller"></bean>
<job id="partitionJdbcJob" restartable="true" xmlns="http://www.springframework.org/schema/batch">
<step id="step" >
<partition step="createFiles" partitioner="partitioner">
<handler grid-size="50" task-executor="taskExecutor" />
</partition>
</step>
<listeners>
<listener ref="jobDurationListener" />
</listeners>
</job>
<step id="createFiles" xmlns="http://www.springframework.org/schema/batch">
<tasklet>
<chunk reader="pagingItemReader" processor="filesItemProcessor"
writer="filesItemWriter" commit-interval="200" />
</tasklet>
</step>
<!-- PagingItemReader will be used for big records only -->
<bean id="pagingItemReader" class="org.springframework.batch.item.database.JdbcPagingItemReader"
scope="step" autowire-candidate="false">
<property name="dataSource" ref="pooledDS" />
<property name="rowMapper" ref="reconRowMapper" />
<!-- Query Provider -->
<property name="queryProvider">
<bean
class="org.springframework.batch.item.database.support.SqlPagingQueryProviderFactoryBean">
<property name="dataSource" ref="pooledDS" />
<property name="fromClause" value="from sample" />
<property name="selectClause" value="id,name" />
<property name="sortKey" value="id" />
</bean>
</property>
<!-- Inject via the ExecutionContext in partitioner -->
<property name="parameterValues">
<map>
<entry key="minId" value="#{stepExecutionContext[minValue]}" />
<entry key="maxId" value="#{stepExecutionContext[maxValue]}" />
</map>
</property>
</bean>
<bean id="filesItemProcessor" class="com.batch.job.ResultProcessor" />
<bean id="filesItemWriter" class="org.springframework.batch.item.file.FlatFileItemWriter"
scope="step">
<property name="resource" value="#{stepExecutionContext[outputFile]}" />
<property name="shouldDeleteIfExists" value="true" />
<property name="lineAggregator">
<bean
class="org.springframework.batch.item.file.transform.DelimitedLineAggregator">
<property name="delimiter" value="," />
<property name="fieldExtractor">
<bean
class="org.springframework.batch.item.file.transform.BeanWrapperFieldExtractor">
<property name="names" value="id,name" />
</bean>
</property>
</bean>
</property>
</bean>
</beans>
Feb 20, 2015 3:22:29 PM org.springframework.batch.core.launch.support.SimpleJobLauncher run
INFO: Job: [FlowJob: [name=partitionJdbcJob]] completed with the following parameters: [{}] and the following status: [FAILED]
Feb 20, 2015 3:22:29 PM org.springframework.context.support.ClassPathXmlApplicationContext doClose
INFO: Closing org.springframework.context.support.ClassPathXmlApplicationContext
@d37d44: startup date [Fri Feb 20 15:22:27 IST 2015]; root of context hierarchy
推荐答案
运行Spring Batch时遇到同样的问题工作。在：
Had same issue when running Spring Batch Job. At:
Set<JobExecution> runningJobExecutions = jobExplorer.findRunningJobExecutions(jobName);
使用jettison 1.1代替1.3.2
Solved by using jettison 1.1 instead of 1.3.2
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